This document discusses various natural disasters and their impacts. It begins by listing common natural disasters such as earthquakes, hurricanes, fires, etc. It then provides statistics on the frequency and impacts of different disasters, including deaths and economic costs. For example, it notes that Hurricane Katrina in 2005 caused $81 billion in damage and over 1,500 deaths, making it the costliest hurricane in U.S. history. The document aims to educate about how natural disasters affect both humans and the environment.
This document discusses how various natural disasters impact the environment. It provides statistics and descriptions of different types of natural disasters including earthquakes, hurricanes, lightning, fire, tsunamis, volcanoes, blizzards, floods, tornadoes, drought and heat waves. For each disaster, it summarizes some of the key ways they can negatively impact the environment such as destroying infrastructure, causing erosion, fires and flooding, releasing toxic gases, contaminating water supplies, and damaging habitats.
Define disaster
Classify the disaster
Explain natural and man made disasters
Describe social issues after disaster
Learn psychological issues after disaster
Elaborate social issues during disaster
Define disaster management
Discuss disaster management
Natural disasters and their impact towards the environmentnandanrocker
The document discusses several natural disasters including earthquakes, hurricanes, lightning, forest fires, tsunamis, tornados, volcanoes, blizzards, floods, drought, and heat waves. It provides brief definitions and descriptions of each disaster and discusses their environmental impacts such as property damage, erosion, contamination of water supplies, destruction of infrastructure, habitat loss, and more. It focuses on how these disasters negatively influence the environment through events like mudslides, fires, flooding, release of gases, loss of wildlife, and reduced food and water availability.
How Natural Disasters Impact the Environment 2013Jenny Dixon
This document discusses how various natural disasters impact the environment. It begins by defining different types of natural disasters such as earthquakes, hurricanes, fires, tsunamis, volcanoes, blizzards, floods, tornadoes, droughts and heat waves. For each disaster, it summarizes the typical damage caused, such as property destruction, loss of habitat, erosion, contamination of water supplies, and loss of power. Overall, the key environmental impacts of natural disasters discussed are property loss, loss of habitat, and damage to infrastructure.
The document discusses various types of natural disasters including floods, volcanic eruptions, earthquakes, tsunamis, hurricanes, and wildfires. It describes the causes of natural disasters such as floods, fires, drought, and severe weather events. The effects of natural disasters discussed include physical destruction, emotional toll, economic impact, disruption of utilities, and environmental damage.
Natural disasters such as volcanoes, earthquakes, and tsunamis are sudden events caused by natural geological processes. Volcanoes occur at boundaries where tectonic plates meet and result in eruptions of lava, ash, and gases. Earthquakes are caused by the sudden release of built-up energy in the Earth's crust along fault lines, resulting in seismic waves. Tsunamis are a series of powerful ocean waves caused by earthquakes, landslides, or volcanic eruptions that can flood coastal areas and cause widespread damage.
This document discusses different types of natural disasters. It categorizes natural disasters into geological, hydrological, meteorological, wildfires, health, and space disasters. For each category, it provides examples and descriptions of specific disaster types. Geological disasters include avalanches, landslides, earthquakes, sinkholes, and volcanic eruptions. Hydrological disasters include floods, limnic eruptions, and tsunamis. Meteorological disasters include blizzards, cyclonic storms, droughts, thunderstorms, hailstorms, heat waves, and tornadoes. Health disasters refer to epidemics and pandemics. Space disasters include airbursts and solar flares. In summary, the document provides a
Natural disasters are major adverse events caused by natural processes like earthquakes, floods, volcanic eruptions, and hurricanes. They often result in loss of life, property damage, and economic losses depending on a population's resilience. Common natural disasters include tsunamis caused by earthquakes under the sea, tornadoes which are violent rotating columns of air, volcanic eruptions which produce lava and ash, earthquakes caused by faults in the earth's crust, and floods from overflowing water. Forest fires, landslides, avalanches, and cyclones are also types of natural disasters, while epidemics can spread disease among human populations on a large scale.
This document discusses how various natural disasters impact the environment. It provides statistics and descriptions of different types of natural disasters including earthquakes, hurricanes, lightning, fire, tsunamis, volcanoes, blizzards, floods, tornadoes, drought and heat waves. For each disaster, it summarizes some of the key ways they can negatively impact the environment such as destroying infrastructure, causing erosion, fires and flooding, releasing toxic gases, contaminating water supplies, and damaging habitats.
Define disaster
Classify the disaster
Explain natural and man made disasters
Describe social issues after disaster
Learn psychological issues after disaster
Elaborate social issues during disaster
Define disaster management
Discuss disaster management
Natural disasters and their impact towards the environmentnandanrocker
The document discusses several natural disasters including earthquakes, hurricanes, lightning, forest fires, tsunamis, tornados, volcanoes, blizzards, floods, drought, and heat waves. It provides brief definitions and descriptions of each disaster and discusses their environmental impacts such as property damage, erosion, contamination of water supplies, destruction of infrastructure, habitat loss, and more. It focuses on how these disasters negatively influence the environment through events like mudslides, fires, flooding, release of gases, loss of wildlife, and reduced food and water availability.
How Natural Disasters Impact the Environment 2013Jenny Dixon
This document discusses how various natural disasters impact the environment. It begins by defining different types of natural disasters such as earthquakes, hurricanes, fires, tsunamis, volcanoes, blizzards, floods, tornadoes, droughts and heat waves. For each disaster, it summarizes the typical damage caused, such as property destruction, loss of habitat, erosion, contamination of water supplies, and loss of power. Overall, the key environmental impacts of natural disasters discussed are property loss, loss of habitat, and damage to infrastructure.
The document discusses various types of natural disasters including floods, volcanic eruptions, earthquakes, tsunamis, hurricanes, and wildfires. It describes the causes of natural disasters such as floods, fires, drought, and severe weather events. The effects of natural disasters discussed include physical destruction, emotional toll, economic impact, disruption of utilities, and environmental damage.
Natural disasters such as volcanoes, earthquakes, and tsunamis are sudden events caused by natural geological processes. Volcanoes occur at boundaries where tectonic plates meet and result in eruptions of lava, ash, and gases. Earthquakes are caused by the sudden release of built-up energy in the Earth's crust along fault lines, resulting in seismic waves. Tsunamis are a series of powerful ocean waves caused by earthquakes, landslides, or volcanic eruptions that can flood coastal areas and cause widespread damage.
This document discusses different types of natural disasters. It categorizes natural disasters into geological, hydrological, meteorological, wildfires, health, and space disasters. For each category, it provides examples and descriptions of specific disaster types. Geological disasters include avalanches, landslides, earthquakes, sinkholes, and volcanic eruptions. Hydrological disasters include floods, limnic eruptions, and tsunamis. Meteorological disasters include blizzards, cyclonic storms, droughts, thunderstorms, hailstorms, heat waves, and tornadoes. Health disasters refer to epidemics and pandemics. Space disasters include airbursts and solar flares. In summary, the document provides a
Natural disasters are major adverse events caused by natural processes like earthquakes, floods, volcanic eruptions, and hurricanes. They often result in loss of life, property damage, and economic losses depending on a population's resilience. Common natural disasters include tsunamis caused by earthquakes under the sea, tornadoes which are violent rotating columns of air, volcanic eruptions which produce lava and ash, earthquakes caused by faults in the earth's crust, and floods from overflowing water. Forest fires, landslides, avalanches, and cyclones are also types of natural disasters, while epidemics can spread disease among human populations on a large scale.
- Natural disasters are events caused by natural hazards like floods, hurricanes, earthquakes, volcanic eruptions, and heat waves. They can cause financial losses, environmental damage, and loss of human life depending on a population's resilience and ability to prevent hazards.
- Common natural disasters include avalanches caused by accumulated snow and ice, earthquakes from seismic activity in the Earth's crust, volcanic eruptions from gas release or thermal contraction in volcanoes, and floods from overflowing bodies of water. Other disasters are droughts, tornadoes, heat waves, blizzards, and potential asteroid or comet impacts.
A Deep Dive into the Tonga volcano EruptionCharlie
The Hunga Tonga volcano erupted violently in January 2022 near Tonga, an island nation in the South Pacific. The eruption was one of the largest recorded in recent history, sending massive tsunami waves and ash across the Pacific. Tonga suffered significant damage from the ash and tsunami, with at least three deaths reported and much of the population affected. International aid efforts were hampered by damage to Tonga's airport and undersea internet cable. While the effects were widespread, scientists had predicted the eruption could occur due to the volcano's history of major eruptions about every 900 years.
The document discusses natural disasters throughout history and how climate change may impact their frequency and intensity in the future. It outlines different types of natural disasters and provides examples from the past. It then explains the mechanisms through which greenhouse gas emissions and rising temperatures could alter atmospheric and oceanic conditions in a way that aggravates natural disasters. This includes increasing sea surface temperatures that fuel stronger hurricanes, and changing precipitation patterns that may lead to more floods or droughts. The document ends by discussing how the media raises awareness of natural disasters and their links to climate change through movies and documentaries.
This document discusses different types of natural and man-made disasters. It describes natural disasters such as tornadoes, hurricanes, earthquakes, volcanoes, floods, tsunamis, winter storms, wildfires, and landslides. It also discusses man-made disasters including biological, chemical, nuclear, radiological threats and explosions. Specific examples of disasters in the United States and their impacts are provided for some disasters types. The document serves to educate about the nature and effects of different natural hazards and technological disasters.
This document provides an introduction to disasters including definitions and examples. It defines a disaster as an event that causes damage or loss of life on a large scale and requires an extraordinary response. Hazards are phenomena that have the potential to cause disruption. Various natural and man-made causes of disasters are outlined. Examples of different types of disasters are given such as earthquakes, floods, volcanic eruptions, and more. Descriptions of specific disasters like earthquakes, tsunamis, hurricanes are included. Disasters are classified into categories such as water and climate related, geological, chemical and industrial. The results and consequences of disasters are injuries, emotional stress, epidemics, and economic harm. Factors that determine the impact
This document lists and briefly describes 5 natural disasters: drought, flood, forest fire, tornadoes, and volcanic eruptions. For each disaster, it outlines key characteristics such as causes and impacts. Drought is described as a period of unusually dry weather caused by lack of rain or moisture. Floods occur when there is more water than the ground and rivers can hold, such as from excessive rain or snow melt. Forest fires are generally started by lightning or human causes and can burn large areas. Tornadoes form from mixing hot and cold air currents and cause damage as they move across the ground. Volcanic eruptions happen when magma rises from the earth's mantle and crust, posing hazards from ash, lava
This document discusses how natural disasters impact ecosystems. It defines natural disasters and lists common types including landslides, droughts, floods, tsunamis, tropical cyclones, lightning, fire, tornadoes, volcanoes, blizzards, earthquakes, and heat waves. For each disaster type, it provides a brief definition and describes how that particular disaster can negatively impact ecosystems through destruction of structures, erosion, loss of habitat, spread of disease, and other effects like power outages and contamination of water supplies. The document aims to explain the various environmental impacts natural disasters can have on ecosystems.
This document provides examples of different types of natural disasters categorized into land movement disasters, water disasters, and weather disasters. It then discusses specific natural disasters like floods, earthquakes, tsunamis, droughts, volcanic eruptions, and forest fires in more detail, outlining their causes and effects as well as safety precautions and what to do during each type of disaster.
This document defines and provides examples of natural disasters. It explains that natural disasters are large changes in the environment that can damage land and threaten lives. Examples of natural disasters given include volcanic eruptions, earthquakes, cyclones, avalanches, floods, droughts, and forest fires. For each disaster type, a brief explanation is provided of its causes and impacts.
This document provides definitions and descriptions of various natural disasters. It discusses avalanches, blizzards, earthquakes, hailstorms, hurricanes, lightning, tornadoes, tsunamis, typhoons, volcanoes, wildfires and their causes and impacts. For each disaster, it outlines key details like definition, formation process, areas affected, dangers posed, frequency and methods to mitigate risks. The document serves as an informative reference on the major natural hazards that occur worldwide.
A disaster is a serious disruption, occurring over a relatively short time, of the functioning of a community or a society involving widespread human, material, economic or environmental loss and impacts, which exceeds the ability of the affected community or society to cope using its own resources.
The document discusses various types of natural calamities including volcanic eruptions, earthquakes, cyclones, monsoons, avalanches, floods, droughts, forest fires, tsunamis, and electrical storms. It describes the causes and effects of each type of natural disaster such as destroying infrastructure, wildlife habitat loss, erosion, wildfires from drought, and loss of life from floods and volcanic eruptions. The document aims to educate about different natural hazards and their environmental and economic impacts.
The document defines and describes different types of natural disasters:
1. Natural disasters are occurrences that cause damage, loss of life, and deterioration of health on a scale that requires outside assistance. They include meteorological events like cyclones and tornadoes, topographical events like earthquakes and volcanic eruptions, and environmental events.
2. Some of the worst natural disasters in history include the 1970 Bhola cyclone that killed 500,000 people, the 1960 Chile earthquake with a magnitude of 9.5 that killed 6,000, and the 2004 Indian Ocean tsunami that caused 230,210-280,000 deaths.
3. Unusual natural disasters mentioned include firenadoes, which are
This document discusses different types of natural disasters including floods, earthquakes, tsunamis, volcanic eruptions, wildfires, avalanches, and epidemics. It explains the causes of these disasters such as heavy rainfall causing floods, tectonic plate movement causing earthquakes, volcanic magma releases causing eruptions, and disease transmission causing epidemics. The effects of natural disasters like property damage, loss of life, and economic impacts are also mentioned. Examples of specific historic natural disasters are provided like the 1918 Spanish flu pandemic and avalanches during World War I.
Natural disasters are destructive events caused by nature that impact humanity. Examples include earthquakes, tsunamis, cyclones, landslides, and forest fires. Deforestation can increase landslides and affect rainfall patterns, resulting in droughts or floods. Cyclones are powerful spinning storms over warm waters that bring heavy rain and strong winds when they make landfall, causing flooding, infrastructure damage, and deaths. Droughts due to lack of rain can wither crops and cause famine, hunger, wildfires, diseases, social conflicts, and migration. Earthquakes are caused by the movement of tectonic plates and can trigger avalanches, tsunamis, building collapses, gas line breaks, flooding
Hurricanes, tropical storms, typhoons, and cyclones are all terms that describe a closed circulation system in the atmosphere consisting of strong winds and low pressure that rotate clockwise in the southern hemisphere and counter-clockwise in the northern hemisphere. Earthquakes are the result of a sudden break within the upper crust of the Earth that may also break the surface and cause the ground to vibrate. Tsunamis, usually caused by earthquakes, underwater explosions, landslides or volcanic eruptions under the ocean floor, are one of the deadliest natural disasters and can affect millions of people with waves that get bigger as they approach the coast. Floods occur when a body of water exceeds its capacity and overflows its channel or boundaries
This document lists and provides details about various natural and man-made disasters. It discusses the top 10 natural disasters including earthquakes, tornados, volcanic eruptions, tsunamis, floods, wildfires, droughts, avalanches, and landslides. For each type of disaster, it gives examples of significant events and impacts, such as the 1960 Chile earthquake being the largest ever recorded or the 2004 Indian Ocean tsunami killing over 230,000 people. Man-made disasters discussed include the 1945 atomic bombings of Hiroshima and Nagasaki, the 9/11 terrorist attacks, and the 2010 Deepwater Horizon oil spill.
Tropical storms form over warm ocean waters with temperatures of at least 27°C. Low air pressure and winds up to 175 mph are characteristics of these storms. When tropical storms make landfall, they can have devastating primary effects like strong winds, heavy rain, and storm surges, as well as secondary effects like flooding, infrastructure damage, and loss of life.
This document discusses natural calamities and disaster management. It begins with an introduction to disaster management and the role of government agencies. It then discusses various types of natural calamities including tornadoes, extreme temperatures, droughts, wildfires, volcanic eruptions, cyclones, earthquakes, floods, and tsunamis. For each calamity, it provides examples and details impacts. It also shares the presenter's personal experiences responding to an earthquake in Uttarkashi, India and lessons learned around disaster response and management. Overall, the document aims to raise awareness of natural disasters and the importance of preparedness and coordination to minimize loss of life and property.
This document provides statistics and information about various natural disasters and their impacts. It discusses 11 natural disasters - earthquakes, hurricanes, lightning, fire, tsunamis, tornados, volcanoes, blizzards, floods, heat waves, and drought. For each disaster, it provides data on frequency, magnitude scales, death tolls, economic costs, and other impacts. It notes that while earthquakes and hurricanes cause significant loss of life, fire kills more Americans than all natural disasters combined each year.
How natural disaster impact the environmentAJAL A J
This document provides information about various natural disasters and their impacts. It discusses 11 natural disasters (earthquakes, hurricanes, lightning, fire, tsunamis, tornados, volcanoes, blizzards, floods, heat waves, and droughts). For each disaster, it provides statistics on frequency, deaths, damage costs, and other impacts. It also discusses which disasters have caused the most deaths or economic damage according to available data. The goal is to help the reader learn how natural disasters affect both humans and the environment.
- Natural disasters are events caused by natural hazards like floods, hurricanes, earthquakes, volcanic eruptions, and heat waves. They can cause financial losses, environmental damage, and loss of human life depending on a population's resilience and ability to prevent hazards.
- Common natural disasters include avalanches caused by accumulated snow and ice, earthquakes from seismic activity in the Earth's crust, volcanic eruptions from gas release or thermal contraction in volcanoes, and floods from overflowing bodies of water. Other disasters are droughts, tornadoes, heat waves, blizzards, and potential asteroid or comet impacts.
A Deep Dive into the Tonga volcano EruptionCharlie
The Hunga Tonga volcano erupted violently in January 2022 near Tonga, an island nation in the South Pacific. The eruption was one of the largest recorded in recent history, sending massive tsunami waves and ash across the Pacific. Tonga suffered significant damage from the ash and tsunami, with at least three deaths reported and much of the population affected. International aid efforts were hampered by damage to Tonga's airport and undersea internet cable. While the effects were widespread, scientists had predicted the eruption could occur due to the volcano's history of major eruptions about every 900 years.
The document discusses natural disasters throughout history and how climate change may impact their frequency and intensity in the future. It outlines different types of natural disasters and provides examples from the past. It then explains the mechanisms through which greenhouse gas emissions and rising temperatures could alter atmospheric and oceanic conditions in a way that aggravates natural disasters. This includes increasing sea surface temperatures that fuel stronger hurricanes, and changing precipitation patterns that may lead to more floods or droughts. The document ends by discussing how the media raises awareness of natural disasters and their links to climate change through movies and documentaries.
This document discusses different types of natural and man-made disasters. It describes natural disasters such as tornadoes, hurricanes, earthquakes, volcanoes, floods, tsunamis, winter storms, wildfires, and landslides. It also discusses man-made disasters including biological, chemical, nuclear, radiological threats and explosions. Specific examples of disasters in the United States and their impacts are provided for some disasters types. The document serves to educate about the nature and effects of different natural hazards and technological disasters.
This document provides an introduction to disasters including definitions and examples. It defines a disaster as an event that causes damage or loss of life on a large scale and requires an extraordinary response. Hazards are phenomena that have the potential to cause disruption. Various natural and man-made causes of disasters are outlined. Examples of different types of disasters are given such as earthquakes, floods, volcanic eruptions, and more. Descriptions of specific disasters like earthquakes, tsunamis, hurricanes are included. Disasters are classified into categories such as water and climate related, geological, chemical and industrial. The results and consequences of disasters are injuries, emotional stress, epidemics, and economic harm. Factors that determine the impact
This document lists and briefly describes 5 natural disasters: drought, flood, forest fire, tornadoes, and volcanic eruptions. For each disaster, it outlines key characteristics such as causes and impacts. Drought is described as a period of unusually dry weather caused by lack of rain or moisture. Floods occur when there is more water than the ground and rivers can hold, such as from excessive rain or snow melt. Forest fires are generally started by lightning or human causes and can burn large areas. Tornadoes form from mixing hot and cold air currents and cause damage as they move across the ground. Volcanic eruptions happen when magma rises from the earth's mantle and crust, posing hazards from ash, lava
This document discusses how natural disasters impact ecosystems. It defines natural disasters and lists common types including landslides, droughts, floods, tsunamis, tropical cyclones, lightning, fire, tornadoes, volcanoes, blizzards, earthquakes, and heat waves. For each disaster type, it provides a brief definition and describes how that particular disaster can negatively impact ecosystems through destruction of structures, erosion, loss of habitat, spread of disease, and other effects like power outages and contamination of water supplies. The document aims to explain the various environmental impacts natural disasters can have on ecosystems.
This document provides examples of different types of natural disasters categorized into land movement disasters, water disasters, and weather disasters. It then discusses specific natural disasters like floods, earthquakes, tsunamis, droughts, volcanic eruptions, and forest fires in more detail, outlining their causes and effects as well as safety precautions and what to do during each type of disaster.
This document defines and provides examples of natural disasters. It explains that natural disasters are large changes in the environment that can damage land and threaten lives. Examples of natural disasters given include volcanic eruptions, earthquakes, cyclones, avalanches, floods, droughts, and forest fires. For each disaster type, a brief explanation is provided of its causes and impacts.
This document provides definitions and descriptions of various natural disasters. It discusses avalanches, blizzards, earthquakes, hailstorms, hurricanes, lightning, tornadoes, tsunamis, typhoons, volcanoes, wildfires and their causes and impacts. For each disaster, it outlines key details like definition, formation process, areas affected, dangers posed, frequency and methods to mitigate risks. The document serves as an informative reference on the major natural hazards that occur worldwide.
A disaster is a serious disruption, occurring over a relatively short time, of the functioning of a community or a society involving widespread human, material, economic or environmental loss and impacts, which exceeds the ability of the affected community or society to cope using its own resources.
The document discusses various types of natural calamities including volcanic eruptions, earthquakes, cyclones, monsoons, avalanches, floods, droughts, forest fires, tsunamis, and electrical storms. It describes the causes and effects of each type of natural disaster such as destroying infrastructure, wildlife habitat loss, erosion, wildfires from drought, and loss of life from floods and volcanic eruptions. The document aims to educate about different natural hazards and their environmental and economic impacts.
The document defines and describes different types of natural disasters:
1. Natural disasters are occurrences that cause damage, loss of life, and deterioration of health on a scale that requires outside assistance. They include meteorological events like cyclones and tornadoes, topographical events like earthquakes and volcanic eruptions, and environmental events.
2. Some of the worst natural disasters in history include the 1970 Bhola cyclone that killed 500,000 people, the 1960 Chile earthquake with a magnitude of 9.5 that killed 6,000, and the 2004 Indian Ocean tsunami that caused 230,210-280,000 deaths.
3. Unusual natural disasters mentioned include firenadoes, which are
This document discusses different types of natural disasters including floods, earthquakes, tsunamis, volcanic eruptions, wildfires, avalanches, and epidemics. It explains the causes of these disasters such as heavy rainfall causing floods, tectonic plate movement causing earthquakes, volcanic magma releases causing eruptions, and disease transmission causing epidemics. The effects of natural disasters like property damage, loss of life, and economic impacts are also mentioned. Examples of specific historic natural disasters are provided like the 1918 Spanish flu pandemic and avalanches during World War I.
Natural disasters are destructive events caused by nature that impact humanity. Examples include earthquakes, tsunamis, cyclones, landslides, and forest fires. Deforestation can increase landslides and affect rainfall patterns, resulting in droughts or floods. Cyclones are powerful spinning storms over warm waters that bring heavy rain and strong winds when they make landfall, causing flooding, infrastructure damage, and deaths. Droughts due to lack of rain can wither crops and cause famine, hunger, wildfires, diseases, social conflicts, and migration. Earthquakes are caused by the movement of tectonic plates and can trigger avalanches, tsunamis, building collapses, gas line breaks, flooding
Hurricanes, tropical storms, typhoons, and cyclones are all terms that describe a closed circulation system in the atmosphere consisting of strong winds and low pressure that rotate clockwise in the southern hemisphere and counter-clockwise in the northern hemisphere. Earthquakes are the result of a sudden break within the upper crust of the Earth that may also break the surface and cause the ground to vibrate. Tsunamis, usually caused by earthquakes, underwater explosions, landslides or volcanic eruptions under the ocean floor, are one of the deadliest natural disasters and can affect millions of people with waves that get bigger as they approach the coast. Floods occur when a body of water exceeds its capacity and overflows its channel or boundaries
This document lists and provides details about various natural and man-made disasters. It discusses the top 10 natural disasters including earthquakes, tornados, volcanic eruptions, tsunamis, floods, wildfires, droughts, avalanches, and landslides. For each type of disaster, it gives examples of significant events and impacts, such as the 1960 Chile earthquake being the largest ever recorded or the 2004 Indian Ocean tsunami killing over 230,000 people. Man-made disasters discussed include the 1945 atomic bombings of Hiroshima and Nagasaki, the 9/11 terrorist attacks, and the 2010 Deepwater Horizon oil spill.
Tropical storms form over warm ocean waters with temperatures of at least 27°C. Low air pressure and winds up to 175 mph are characteristics of these storms. When tropical storms make landfall, they can have devastating primary effects like strong winds, heavy rain, and storm surges, as well as secondary effects like flooding, infrastructure damage, and loss of life.
This document discusses natural calamities and disaster management. It begins with an introduction to disaster management and the role of government agencies. It then discusses various types of natural calamities including tornadoes, extreme temperatures, droughts, wildfires, volcanic eruptions, cyclones, earthquakes, floods, and tsunamis. For each calamity, it provides examples and details impacts. It also shares the presenter's personal experiences responding to an earthquake in Uttarkashi, India and lessons learned around disaster response and management. Overall, the document aims to raise awareness of natural disasters and the importance of preparedness and coordination to minimize loss of life and property.
This document provides statistics and information about various natural disasters and their impacts. It discusses 11 natural disasters - earthquakes, hurricanes, lightning, fire, tsunamis, tornados, volcanoes, blizzards, floods, heat waves, and drought. For each disaster, it provides data on frequency, magnitude scales, death tolls, economic costs, and other impacts. It notes that while earthquakes and hurricanes cause significant loss of life, fire kills more Americans than all natural disasters combined each year.
How natural disaster impact the environmentAJAL A J
This document provides information about various natural disasters and their impacts. It discusses 11 natural disasters (earthquakes, hurricanes, lightning, fire, tsunamis, tornados, volcanoes, blizzards, floods, heat waves, and droughts). For each disaster, it provides statistics on frequency, deaths, damage costs, and other impacts. It also discusses which disasters have caused the most deaths or economic damage according to available data. The goal is to help the reader learn how natural disasters affect both humans and the environment.
The document discusses different types of natural and man-made disasters. It categorizes natural disasters as meteorological, topographical/geological, and environmental. Man-made disasters are categorized as technological, industrial, and warfare. Specific natural disasters discussed include floods, cyclones, earthquakes, tsunamis, volcanoes, landslides, and more. Man-made disasters include accidents, pollution, industrial accidents, and wars. The document also provides details on the causes and impacts of various disasters like earthquakes, floods, oil spills, and epidemics. Classification schemes for different types of disasters are presented.
Earthquakes occur along fault lines when tectonic plates collide or scrape against each other. The San Andreas Fault in California is responsible for some of the most destructive quakes in U.S. history due to the North American and Pacific plates scraping past each other there. Major quakes can cause tsunamis, massive ocean waves caused by underwater seismic activity that can devastate coastal areas.
1) A natural disaster is defined as a natural hazard that causes significant financial and human losses through its impact on the environment. Examples include floods, earthquakes, tsunamis, and epidemics.
2) Natural disasters occur when natural hazards intersect with vulnerabilities in human systems. Major causes are seismic activity, soil erosion, and the greenhouse effect.
3) Natural disasters can be categorized as either hydrometeorological, involving atmospheric/hydrological phenomena like floods and storms, or geological, involving earthquakes, tsunamis and landslides.
1) A natural disaster is defined as a natural hazard that causes significant financial and human losses through its impact on the environment. Examples include floods, earthquakes, tsunamis, and epidemics.
2) Natural disasters occur when natural hazards intersect with vulnerabilities in human systems. Major causes are seismic activity, soil erosion, and the greenhouse effect.
3) Natural disasters can be categorized as either hydrometeorological, involving atmospheric/hydrological phenomena like floods and storms, or geological, involving earthquakes, tsunamis and landslides.
Earthquakes are caused by the sudden release of seismic energy at tectonic plate boundaries. The focus is the location inside the Earth where energy is released, while the epicenter is the point above the focus on the surface. Earthquakes commonly occur along plate boundaries as the plates stick together and then suddenly break due to built-up stress. Earthquakes are responsible for more deaths annually than any other natural hazard due to their ability to strike without warning, preventing evacuation. Mitigation strategies include reinforcing buildings and developing disaster plans. Undersea earthquakes can trigger tsunamis by vertically displacing water.
This document provides an overview of natural disasters including earthquakes, tsunamis, volcanic eruptions, and tornadoes. It discusses what causes these events, how destructive they can be including historical examples, and what warning systems and precautions exist in hazard-prone areas. Credible online sources were selected using criteria including accuracy, authority, objectivity, currency, and coverage of information.
Earthquakes are caused by the sudden release of built-up stress in the Earth's crust. Most earthquakes occur along fault lines in the crust where tectonic plates meet. While most earthquakes are natural, human activities such as wastewater injection and hydraulic fracturing can also trigger quakes. The Ring of Fire, a horseshoe-shaped region around the Pacific Ocean, experiences about 90% of the world's largest quakes due to tectonic plate movement. Earthquakes can severely impact life on Earth through damage, injuries, deaths, and other hazards like tsunamis and landslides. While prediction remains difficult, early warning systems provide some communities advance notice to help minimize harm.
1) An earthquake is caused by a sudden release of energy in the earth's crust that creates seismic waves. 2) There are different types of seismic waves including P waves, S waves, Love waves, and Rayleigh waves that move in different motions. 3) The epicenter of an earthquake can be located using data from at least 3 seismic stations to determine where the P and S waves intersect. 4) Major earthquakes can cause widespread destruction and loss of life depending on their magnitude and proximity to populated areas. 5) Common effects of earthquakes include damage to infrastructure, disruption of basic services, loss of life and property, and economic impacts.
This document provides information about re-sit help sessions for the Sustainable Decision Making paper. It states that re-sit help will begin on November 22nd at 3:10pm with Mr. Clark, focusing on the topic of rivers. All sessions will be held after school, and students will be updated on November 22nd about additional sessions.
1) The document provides 10 interesting facts about earthquakes, including details on the largest recorded quakes, what defines an epicenter and hypocenter, earthquake magnitudes, and rates of movement along the San Andreas Fault.
2) It examines the 1960 Valdivia earthquake, the most powerful ever at magnitude 9.5, describing its effects and providing a map and footage of the resulting tsunami.
3) The document outlines different types of fault boundaries like divergent and thrust faults, and assigns homework for students to make a collage about earthquakes.
1) The document provides 10 interesting facts about earthquakes, including details on the largest recorded quakes, what defines an epicenter and hypocenter, earthquake magnitudes, and rates of movement along the San Andreas Fault.
2) It examines the 1960 Valdivia earthquake, the most powerful ever at magnitude 9.5, describing its effects and providing a map and footage of the resulting tsunami.
3) The document outlines different types of fault boundaries like divergent and thrust faults, and assigns homework for students to make a collage of earthquake pictures.
1) Earthquakes are caused by the sudden release of energy in the Earth's crust from the slow movement of tectonic plates. They generate shock waves that radiate out from the epicenter.
2) Most earthquakes occur along plate boundaries and are measured on the Richter scale. Earthquakes above magnitude 7 can cause widespread damage depending on their depth and location.
3) Different types of seismic waves like P, S, R and L waves are generated by earthquakes and travel through the Earth causing shaking at the surface. Surface waves tend to be more destructive to buildings and infrastructure.
There are differences between natural disasters and man-made social problems. Natural disasters are caused by natural forces like earthquakes, hurricanes, floods, etc. while man-made problems are caused by human activities like accidents, wars, terrorism. Natural disasters tend to disproportionately impact poorer countries and communities that have less ability to prepare for and respond to disasters due to lack of resources and infrastructure. While disasters may initially seem purely natural, human activities can exacerbate their impacts through issues like environmental degradation, lack of disaster planning, and unequal social vulnerabilities. It is important to consider both the natural and human factors that contribute to disasters.
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The document discusses earthquakes, including their causes, effects, and notable examples. It explains that earthquakes occur when built-up pressure causes rocks underground to break along faults, releasing energy. Effects can include shaking, tsunamis, landslides, fires, and damage to buildings and infrastructure. The largest recorded earthquakes include the 2004 Sumatra quake and 2005 Kashmir quake. Recent major earthquakes in India are also listed. The ongoing 2015 Nepal earthquake that has caused thousands of deaths is described.
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2. Can you name some natural
disasters?
•Earthquakes
•Hurricanes
•Lightning
•Fire
•Tsunami
•Tornados
•Volcanoes
•Blizzards
•Floods
•Heat
•Drought
3. What You’ll Learn
During this PowerPoint you are going to about
11 natural disasters. You will see some
statistical information about how each
disaster impacts man. Afterwards, you’ll be a
researcher to learn how natural disasters
affect the environment.
4. Earthquake
A sudden movement of the earth's crust
caused by the release of stress collected
along faults or by volcanic activity
Earthquake Statistics http://neic.usgs.gov/neis/eqlists/eqstats.html
Earthquake Video http://video.nationalgeographic.com/video/player/environment/environment-
natural-disasters/earthquakes/earthquake-101.html
5. Richter Earthquake
Magnitudes Effects
Less than
3.5
Generally not felt, but recorded.
3.5-5.4 Often felt, but rarely causes damage.
Under 6.0 At most slight damage to well-designed buildings.
Can cause major damage to poorly constructed
buildings over small regions.
6.1-6.9 Can be destructive in areas up to about 100
kilometers across where people live.
7.0-7.9 Major earthquake. Can cause serious damage
over larger areas.
8 or
greater
Great earthquake. Can cause serious damage in
areas several hundred kilometers across.
6. Frequency of Occurrence of
Earthquakes
Magnitude Average Annually
8 and higher 1
7 - 7.9 17
6 - 6.9 134
5 - 5.9 1319
4 - 4.9 13,000 (estimated)
3 - 3.9 130,000 (estimated)
2 - 2.9 1,300,000 (estimated)
7. Number of Earthquakes in the
United States for 2000 - 2009
Magnitude 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009
.
8.0 to 9.9 0 0 0 0 0 0 0 0 0 0
7.0 to 7.9 0 1 1 2 0 1 0 1 0 0
6.0 to 6.9 6 5 4 7 2 4 7 9 9 2
5.0 to 5.9 63 41 63 54 25 47 51 72 85 26
4.0 to 4.9 281 290 536 541 284 345 346 366 432 172
3.0 to 3.9 917 842 1535 1303 1362 1475 1213 1137 1485 745
2.0 to 2.9 660 646 1228 704 1336 1738 1145 1173 1579 1199
1.0 to 1.9 0 2 2 2 1 2 7 11 14 12
0.1 to 0.9 0 0 0 0 0 0 1 0 0 1
No Magnitude 415 434 507 333 540 73 13 22 20 10
.
Total 2342 2261 3876 2946 3550 3685 2783 2791 3624 2167
.
Estimated Deaths 0 0 0 2 0 0 0 0 0 0
9. Hurricane
If winds reach 74 mph, then they are called:
"hurricane" (the North Atlantic Ocean, the Northeast
Pacific Ocean east of the dateline, or the South Pacific
Ocean east of 160E)
"typhoon" (the Northwest Pacific Ocean west of the
dateline)
"severe tropical cyclone" (the Southwest Pacific Ocean
west of 160E or Southeast Indian Ocean east of 90E)
"severe cyclonic storm" (the North Indian Ocean)
"tropical cyclone" (the Southwest Indian Ocean)
Hurricane Statistics http://www.mthurricane.com/Information.htm
10. Top 10 Deadliest Hurricanes
(Atlantic)
Rank Hurricane Name Year Category Deaths
1 Texas (Galveston) 1900 4 8000
2 FL (Lake Okeechobee) 1928 4 1836
3 Hurricane Katrina 2005 3 1500
4 Florida Keys 1919 4 600
5 New England 1938 3 600
6 Florida Keys (Labor Day) 1935 5 408
7 Audrey 1957 4 390
8 NE United States 1944 3 390
9 LA (Grand Isle) 1909 4 350
10 LA (New Orleans) 1915 4 275
11. Most Expensive Hurricanes
(Atlantic)
Rank Hurricane Name Year Category Damage (U.S.)
1 Hurricane Katrina 2005 3 $81,000,000,000
2 Hurricane Andrew 1992 5 $26,500,000,000
3 Hurricane Wilma 2005 3 $20,600,000,000
4 Hurricane Ike 2008 2 $18,000,000,000
5 Hurricane Charley 2004 4 $15,000,000,000
6 Hurricane Ivan 2004 3 $14,200,000,000
7 Hurricane Rita 2005 3 $11,300,000,000
8 Hurricane Frances 2004 2 $8,900,000,000
9 Hurricane Hugo 1989 4 $7,000,000,000
10 Hurricane Jeanne 2004 3 $6,900,000,000
11 Tropical Storm Allison 2001 T.S. $5,000,000,000
12 Hurricane Floyd 1999 2 $4,500,000,000
Note: Damages are listed in US dollars and are not adjusted for inflation.
12. Lightning
a brilliant electric spark discharge in the
atmosphere, occurring within a thundercloud,
between clouds, or between a cloud and the
ground
Lightning Statistics http://www.lightningsafety.noaa.gov/fatalities.htm
13. Lightening Fatalities in 2009
No. Date Day State City Age Sex Location Activity Victim
1 3/15 Sun TX Port Aransas 63 M On beach Walking to vehicle Stan Grassel
2 4/25 Sat KS Perry 45 M Highway Riding motorcycle Troy Gentzler
3 5/6 Wed MN St. Cloud 42 M Back yard Yard work Chad Giroux
4 5/16 Sat MS Yazoo County 16 M Corn field Andrew Williams
5 6/3 Wed CA Fontana 40 F Under tree Walking to bus Tina Marie Bond
6 6/3 Wed VA Fredericksburg 12 M Ball field Playing baseball Chelal Matos
7 6/3 Wed TX Crystal Beach 33 M Beach Jogging Isaias Lara-Matinez
8 6/3 Wed CA Portola 70 F Near tree Yard work MaryAnn Heald
9 6/5 Fri CO Evans 21 M Open field Walking Efrain Trevizo-
Molina
10 6/8 Mon FL Coral Springs 53 M In yard Trimming grass Dessalines Oleus
11 6/8 Mon NC Fairview 65 M In field Clearing brush Donald Michael
Lynch
12 6/10 Wed KY Shelbyville 44 M Under tree Waiting for car ride Brian Larsh
13 6/11 Thu IN Indianapolis 10 M Near tree Camping, going to car Jeremiah Miller
14 6/11 Thu FL Sebring 32 M Near tree Golfing Pierre Hyppolite
15 6/17 Wed MO Columbia 23 F Open Field Fishing Georgette Tillett
16 6/27 Sat PR Moca 43 M Outside Home Cutting lawn Antonio Cruz
Mangual
17 7/1 Wed MA Orleans 41 M Boat Shellfishing Christopher West
14. Fire
a burning mass of material
Fire Statistics http://www.usfa.dhs.gov/statistics/
15. The Overall Fire
Picture - 2007
There were 3,430 civilians that lost their lives as the result of
fire.
There were 17,675 civilian injuries that occurred as the
result of fire.
There were 118 firefighters killed while on duty.
Fire killed more Americans than all natural disasters
combined.
84 percent of all civilian fire deaths occurred in residences.
There were an estimated 1.6 million fires in 2007.
Direct property loss due to fires was estimated at $14.6
billion.
An estimated 32,500 intentionally set structure fires resulted
in 295 civilian deaths.
Intentionally set structure fires resulted in an estimated $733
million in property damage.
16. Tsunami
an unusually large sea wave produced by a
seaquake or undersea volcanic eruption
Tsunami Statistics http://wcatwc.arh.noaa.gov/tsustats.pdf
18. Volcano
a vent in the earth's crust through which lava,
steam, ashes, etc., are expelled, either
continuously or at irregular intervals
Volcano Statistics
http://www.epicdisasters.com/index.php/site/comments/the_worlds_worst_volcanic_eruptions/
19. Deadliest Volcanic
Eruptions
Location Date Death Toll
Mt. Tambora, Indonesia April 10 - 15, 1816 92,000
Mt. Pelee, West Indies April 25 - May 8, 1902 40,000
Mt. Krakatoa, Indonesia August 26 - 28, 1883 36,000
Nevado del Ruiz,
Columbia
November 13, 1985 23,000
Mt. Unzen, Japan 1792 12,000 - 15,000
Mt. Vesuvius, Italy April 24, AD 79 10,000+
The Laki Volcanic System,
Iceland
June 8, 1783 - February
1784
9350
20. Blizzard
A violent snowstorm with winds blowing at a
minimum speed of 35 miles per hour and
visibility of less than one-quarter mile for
three hours
Top Blizzards in US
http://www.infoplease.com/ipa/A0886098.html
http://nsidc.org/snow/blizzard/storms.html
21. Top 10 Deadliest Blizzards
Death Toll Event Location Date
4,000 Iran Blizzard Iran 1972
1,337 2008 Afghanistan blizzard Afghanistan 2008
400 Great Blizzard of 1888 United States 1888
318 1993 North American Storm Complex United States 1993
235 Schoolhouse Blizzard United States 1888
199 Hakkōda Mountains incident Japan 1902
144 Armistice Day Blizzard United States 1940
133 2008 Chinese winter storms China 2008
112 1995 Kazakh Blizzard Kazakhstan 1995
54 Blizzard of 1978 United States 1978
22. Flood
A temporary rise of the water level, as in a river
or lake or along a seacoast, resulting in its
spilling over and out of its natural or artificial
confines onto land that is normally dry.
Floods are usually caused by excessive
runoff from precipitation or snowmelt, or by
coastal storm surges or other tidal
phenomena.
Flood Statistics http://www.floodsafety.com/national/life/statistics.htm
23. Top 10 deadliest floods
and landslides
Death Toll Event Location Date
2,500,000–3,700,000 1931 China floods China 1931
900,000–2,000,000 1887 Yellow River (Huang He) flood China 1887
500,000–700,000 1938 Yellow River (Huang He) flood China 1938
231,000 Banqiao Dam failure, result of Typhoon Nina.
Approximately 86,000 people died from flooding
and another 145,000 died during subsequent
disease.
China 1975
145,000 1935 Yangtze river flood China 1935
more than 100,000 St. Felix's Flood, storm surge Netherlands 1530
100,000 Hanoi and Red River Delta flood North Vietnam 1971
100,000 1911 Yangtze river flood China 1911
50,000–80,000 St. Lucia's flood, storm surge Netherlands 1287
60,000 North Sea flood, storm surge Netherlands 1212
24. Tornado
A violently rotating column of air extending
from a cumulonimbus cloud to the Earth,
ranging in width from a few meters to more
than a kilometer and whirling at speeds
between 40 and 316 mi per hour.
Tornado Statistics http://www.spc.noaa.gov/climo/online/monthly/newm.html
25. Latest U.S. Tornado
Statistics
2006 2007 2008 2009 Three Year
Average
Number of
Tornados
1103 1098 1691 1053 1297
Number of
Tornado Related
Deaths
67 81 126 21 91
Number of Killer
Tornados
25 26 37 9 29
26. Drought
A long period of abnormally low rainfall,
especially one that adversely affects growing
or living conditions.
Statistical Information http://www.ncdc.noaa.gov/paleo/drought/drght_alleve.html
27. Drought Facts
The cost of losses due to drought in the United
States averages $6-8 billion every year, but range
as high as $39 billion for the three year drought of
1987-1989, which was the most costly natural
disaster documented in U.S. history.
The two major droughts of the 20th century, the
1930s Dust Bowl drought and the 1950s drought,
lasted five to seven years and covered large areas
of the continental U.S.
28. Top 10 Droughts Reported -
Economic Damages
Disaster Date Cost
China P Rep 1994 13,755,200,000
Australia 1981 6,000,000,000
Spain 1990 4,500,000,000
United States 2002 3,300,000,000
Iran Islam Rep 1999 3,300,000,000
Spain 1999 3,200,000,000
China P Rep 2006 2,910,000,000
Zimbabwe 1981 2,500,000,000
Australia 2002 2,000,000,000
Brazil 2004 1,650,000,000
29. Heat Wave
an air mass of high temperature covering an
extended area and moving relatively slowly
a period of abnormally hot and usually humid
Statistical Information http://www.preventionweb.net/english/hazards/statistics/?hid=63
30. Top 10 Heat Waves reported based
on Number of People Killed
Disaster Date Killed
Italy 2003 20,089
France 2003 19,490
Spain 2003 15,090
Germany 2003 9,355
Portugal 2003 2,696
India 1998 2,541
France 2006 1,388
United States 1980 1,260
India 2003 1,210
Belgium 2003 1,175
31. Top 10 Heat Waves reported based
on Economic Damages
Disaster Date Cost
France 2003 4,400,000,000
Italy 2003 4,400,000,000
United States 1998 4,275,000,000
United States 1980 2,000,000,000
United States 1986 1,750,000,000
Germany 2003 1,650,000,000
United States 1999 1,000,000,000
Spain 2003 880,000,000
India 2003 400,000,000
Switzerland 2003 280,000,000
Austria 2003 280,000,000
32. Which disasters are the worst?
In the next two sides you will see the 10 'Worst'
Natural Disasters as decided by expert David
Crossley, Professor of Geophysics.
33. 10 'Worst' Natural Disasters
The October 8, 2005 magnitude 7.6
earthquake in Pakistan
Hurricane Katrina
Volcanic Eruption - Nevado del Ruiz
(Columbia) in 1985
1976 earthquake magnitude 8 Tangshan
event in China
Indonesia Volcanic Eruptions – Tambora
volcano of 1815 & Krakatoa explosion in
1883
34. 10 'Worst' Natural Disasters
New Madrid earthquakes of 1811-12 in
southern Missouri
1737 Calcutta, India typhoon
Santorini volcanic explosion around 1500
B.C.
major global paleoclimate event that
happened around 3000B.C.
mass extinction during the Cretaceous-
Tertiary Stratigraphic Boundary, 65 million
years ago
36. Top 10 Deadliest Natural DisastersSource http://en.wikipedia.org/wiki/List_of_natural_disasters_by_death_toll
Rank Event Location Date Death Toll
(Estimate)
1. 1931 China floods China July-Nov, 1931 1,000,000–
4,000,000
2. 1887 Yellow River
flood
China Sept-Oct 1887 900,000–
2,000,000
3. 1556 Shaanxi
earthquake
Shaanxi Province, China Jan 23, 1556 830,000
4. 1970 Bhola cyclone Bangladesh Nov 13, 1970 500,000
5. 1839 India Cyclone India Nov 25, 1839 300,000
6. 526 Antioch
earthquake
Antioch, Byzantine Empire May 20, 526 250,000
7. 1976 Tangshan
earthquake
Tangshan, Hebei, China July 28, 1976 242,000
8. 1920 Haiyuan
earthquake
Haiyuan, Ningxia-Gansu,
China
Dec 26, 1920 240,000
9. 1975 Banqiao Dam
flood
Zhumadian, Henan
Province, China
Aug 7, 1975 90,000–
230,000
10. 2004 Indian Ocean
earthquake/tsunami
Indian Ocean Dec 26, 2004 229,866
38. How Earthquakes Impact the
Environment
collapsing buildings
property damage
mud slides
fires
floods
tsunamis
loss of power
39. How Hurricanes Impact the
Environment
erosion
houses, buildings, and other structures
destroyed
heavy flooding of inland areas
tornadoes
loss of power
contaminated water supply
41. How Fire Impacts the
Environment
houses, buildings, and other structures
destroyed
loss of habitat
42. How Tsunamis Impact
the Environment
houses, buildings, and other structures
destroyed
loss of power
erosion
fresh water contaminated
43. How Volcanic Eruptions Impact the
Environment
houses, buildings, and other structures
destroyed
fires
toxic gases released into the atmosphere
Carbon dioxide emitted from volcanoes adds
to the natural greenhouse effect.
loss of habitat
44. How Blizzards Impact the
Environment
flooding when snows melt
trees fall
power outages
hypothermia
45. How Flooding Impacts the
Environment
disease
loss of habitat
houses, buildings, and other structures
destroyed
household wastes get into the water system
power outages
46. How Tornadoes Impacts the
Environment
Tornadoes could hit hazardous or toxic
materials which could carried by a
thunderstorm and then transported along
ways down stream.
could transport certain types of small animals
and plants across the land
destroys topsoil and crops
47. How Drought Impacts the
Environment
young trees die
dried up lakes and other water sources
loss of livestock and crops
People use more fuel during droughts.
losses or destruction of fish and wildlife habitat
lack of food and drinking water for wild animals
increase in disease in wild animals, because of reduced food and
water supplies
migration of wild animals, leading to a loss of wildlife in some
(drought-stricken) areas and too many wildlife in areas not
affected by drought
increased stress on endangered species
lower water levels in reservoirs, lakes, and ponds
loss of wetlands
more fires
wind and water erosion of soils, reduced soil quality
Information from http://drought.unl.edu/kids/impacts/affects.htm