Water sources
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This document defines and provides examples of different types of water sources. It discusses springs, which are natural occurrences where water flows to the earth's surface from below. It also covers wells, which are excavations that access groundwater, and lakes and rivers, which are natural bodies of fresh water. While oceans contain most of the earth's water, it notes that salt water from oceans is not suitable for human use. It concludes by listing the sources cited for the information provided.
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Water resources
Water is essential for life but can also cause destruction. It is used for domestic, agricultural, industrial, and transportation purposes as well as generating hydroelectricity. While dams provide benefits like flood control and irrigation, they can negatively impact river ecosystems and displace local communities. Rainwater harvesting techniques like check dams and percolation pits help boost groundwater levels and meet growing water demands. Traditional Indian communities developed sophisticated water management structures like tanks and channels to collect and use rainwater for their needs.
Water management and
This document discusses various aspects of water resources including:
1) Water is essential for life but only 3% of Earth's water is freshwater, with the majority being saltwater in oceans.
2) Freshwater sources include lakes, rivers, streams, groundwater and ice/snow, with only 1% of total water accessible for human and agricultural use.
3) The water cycle describes the continuous movement of water above, on, and below the Earth's surface through different states of matter and is driven by the sun's energy.
Water, source of conflict ?
The document discusses several issues related to water as a potential cause of future conflict. It notes that global demand for water is rising due to population growth, urbanization, and increasing agricultural and industrial needs. However, the available supply of freshwater is limited and fluctuating, exacerbated by climate change. This imbalance between supply and demand could fuel conflicts, especially if existing water governance and sharing arrangements are ineffective or fragmented. The document explores these issues in depth across socioeconomic, governance, environmental, and geopolitical factors.
water resources
Water resources are sources of water that are useful for human uses like agriculture, industry, households, recreation and the environment. Only 3% of water on Earth is fresh water, with the majority found as groundwater or frozen in glaciers and ice caps. Water is a renewable resource, but groundwater depletion is occurring in many places around the world. Water is essential for agriculture, which accounts for about 70% of water usage globally. Managing water resources sustainably is important for reducing poverty, maintaining environmental health, and supporting economic development.
Water resources
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The document discusses water resources in India. It notes that only 0.014% of the Earth's water is readily available as freshwater. In India, the total annual precipitation is 4000 billion cubic meters, but average annual runoff is only 1896 billion cubic meters due to evaporation losses. Per capita water availability in India is declining as the population grows. The key sources of water discussed are surface water sources like rivers, lakes and reservoirs, and groundwater sources like wells and springs. Agriculture, industry, and domestic use are the major consumers of India's water resources, utilizing about 34% of the reliable annual runoff. Overutilization of water resources is a growing problem and can lead to issues like water
Water resource
This document contains information about various topics related to water resources contributed by different students. It discusses sources of water like surface water, groundwater, frozen water and desalination. It also describes the water cycle including the four main steps of evaporation, condensation, precipitation and collection. Additionally, it covers issues like water pollution, wastage of water, waterborne diseases, flooding, and importance of water for irrigation, drinking water supply and hydropower generation. In conclusion, the document highlights the ongoing pollution of water resources from sewage, sludge and toxic waste.
Water resources
Water is a vital resource for all life. However, 10% of India's rural and urban population lacks access to regular safe drinking water. Groundwater resources are being overexploited, causing problems like decreasing stream and river flows, rising salinity in coastal aquifers, and some aquifers being depleted entirely by heavy pumping. Population growth, urbanization, and industrialization are increasing pressure on water resources and ecosystems by driving up demand beyond natural supply levels in some areas.
USE & MISUSE OF WATER RESOURCES & LAND RESOURCES
Land and Land Resources refer to a delineable area of the earth's terrestrial surface, encompassing all attributes of the biosphere immediately above or below this surface, including those of the near-surface, climate, the soil and terrain forms, the surface hydrology (including shallow lakes, rivers, marshes and swamps), the near-surface sedimentary layers and associated groundwater and geo-hydrological reserve, the plant and animal populations, the human settlement pattern and physical results of past and present human activity
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Water is essential for life but can also cause destruction. It is used for domestic, agricultural, industrial, and transportation purposes as well as generating hydroelectricity. While dams provide benefits like flood control and irrigation, they can negatively impact river ecosystems and displace local communities. Rainwater harvesting techniques like check dams and percolation pits help boost groundwater levels and meet growing water demands. Traditional Indian communities developed sophisticated water management structures like tanks and channels to collect and use rainwater for their needs.
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This document discusses various aspects of water resources including:
1) Water is essential for life but only 3% of Earth's water is freshwater, with the majority being saltwater in oceans.
2) Freshwater sources include lakes, rivers, streams, groundwater and ice/snow, with only 1% of total water accessible for human and agricultural use.
3) The water cycle describes the continuous movement of water above, on, and below the Earth's surface through different states of matter and is driven by the sun's energy.
Water, source of conflict ?
The document discusses several issues related to water as a potential cause of future conflict. It notes that global demand for water is rising due to population growth, urbanization, and increasing agricultural and industrial needs. However, the available supply of freshwater is limited and fluctuating, exacerbated by climate change. This imbalance between supply and demand could fuel conflicts, especially if existing water governance and sharing arrangements are ineffective or fragmented. The document explores these issues in depth across socioeconomic, governance, environmental, and geopolitical factors.
water resources
Water resources are sources of water that are useful for human uses like agriculture, industry, households, recreation and the environment. Only 3% of water on Earth is fresh water, with the majority found as groundwater or frozen in glaciers and ice caps. Water is a renewable resource, but groundwater depletion is occurring in many places around the world. Water is essential for agriculture, which accounts for about 70% of water usage globally. Managing water resources sustainably is important for reducing poverty, maintaining environmental health, and supporting economic development.
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The document discusses water resources in India. It notes that only 0.014% of the Earth's water is readily available as freshwater. In India, the total annual precipitation is 4000 billion cubic meters, but average annual runoff is only 1896 billion cubic meters due to evaporation losses. Per capita water availability in India is declining as the population grows. The key sources of water discussed are surface water sources like rivers, lakes and reservoirs, and groundwater sources like wells and springs. Agriculture, industry, and domestic use are the major consumers of India's water resources, utilizing about 34% of the reliable annual runoff. Overutilization of water resources is a growing problem and can lead to issues like water
Water resource
This document contains information about various topics related to water resources contributed by different students. It discusses sources of water like surface water, groundwater, frozen water and desalination. It also describes the water cycle including the four main steps of evaporation, condensation, precipitation and collection. Additionally, it covers issues like water pollution, wastage of water, waterborne diseases, flooding, and importance of water for irrigation, drinking water supply and hydropower generation. In conclusion, the document highlights the ongoing pollution of water resources from sewage, sludge and toxic waste.
Water resources
Water is a vital resource for all life. However, 10% of India's rural and urban population lacks access to regular safe drinking water. Groundwater resources are being overexploited, causing problems like decreasing stream and river flows, rising salinity in coastal aquifers, and some aquifers being depleted entirely by heavy pumping. Population growth, urbanization, and industrialization are increasing pressure on water resources and ecosystems by driving up demand beyond natural supply levels in some areas.
USE & MISUSE OF WATER RESOURCES & LAND RESOURCES
Land and Land Resources refer to a delineable area of the earth's terrestrial surface, encompassing all attributes of the biosphere immediately above or below this surface, including those of the near-surface, climate, the soil and terrain forms, the surface hydrology (including shallow lakes, rivers, marshes and swamps), the near-surface sedimentary layers and associated groundwater and geo-hydrological reserve, the plant and animal populations, the human settlement pattern and physical results of past and present human activity
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This document summarizes key information about water resources. It discusses various sources of water including surface water sources like ponds, lakes, rivers, reservoirs, and rainwater as well as groundwater sources like wells, springs, and infiltration galleries. It also outlines major uses of water for consumptive purposes like irrigation, and non-consumptive purposes like hydroelectric power. Overuse of water resources is mentioned as a threat, with agriculture being the largest consumer and issues arising from overdrawing surface and groundwater supplies.
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India faces increasing water scarcity due to factors like population growth, overexploitation of resources, and pollution from industry and agriculture. While India receives 4% of the world's precipitation annually, its available fresh water resources per person are low and expected to decline further by 2025. To address scarcity, India employs strategies like building dams and canals for irrigation, as well as multipurpose river valley projects. However, these projects have also caused conflicts over displacement and environmental impacts. Rainwater harvesting is presented as a more sustainable alternative that revives traditional techniques suited to local conditions.
water storage ppt
Water is stored naturally in oceans, the atmosphere, groundwater aquifers, soil water, and wetlands. It is also stored artificially in small ponds, tanks, and reservoirs behind dams. The majority (96.5%) of the world's water is stored in oceans. Small amounts are found in the atmosphere, soil, groundwater aquifers, lakes, and as ice. Water storage helps supply freshwater for domestic and agricultural use later.
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There are plenty of sources of water in India. It is critical to know your source of water supply to choose the best water purification technology for safe drinking water.
Water, a renewable resource
Water can be considered a renewable resource if its usage, treatment, and release are carefully controlled and do not exceed the natural replenishment rate. Water is renewable because it evaporates from oceans into clouds, falls as rain, and flows through rivers and dams before returning to the sea to repeat the cycle. However, overuse of groundwater aquifers can cause permanent compaction and is thus non-renewable. While the total amount of water on Earth is fixed, the natural water cycle makes water a theoretically renewable resource if rain levels are maintained.
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This document contains summaries of several topics related to global freshwater resources:
1) It discusses groundwater hydrology, which is the study of water beneath the earth's surface, and how it is important for water supply, irrigation, and understanding water development and conservation.
2) Several sections summarize topics like the distribution of freshwater, depletion of resources, water salinization, and diseases caused by lack of access to clean water.
3) The document also covers policies like the Reduction of Lead in Drinking Water Act and how stormwater runoff is regulated through the National Pollutant Discharge Elimination System permit program to prevent pollution of surface waters.
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Water resources include surface water sources like rivers and lakes as well as groundwater sources located underground. Surface water is replenished by precipitation and flows through river systems, while groundwater is located in aquifers below the water table. People use water resources for household needs, agriculture which accounts for 69% of water usage globally, industry, recreation, and environmental purposes. Water pollution can occur from point sources like waste water treatment plants or nonpoint sources like stormwater runoff, harming water quality.
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This document discusses various sources of water for potable water supply. It describes surface water sources like rivers, streams, ponds and lakes. It also describes subsurface sources like springs, wells and tube wells. It provides details on ponds and lakes, rivers and streams, and reservoirs as surface water sources. It discusses the quality of water from these different sources. It also summarizes the characteristics of groundwater versus surface water sources. The document provides guidance on selecting appropriate water sources based on factors like quantity, quality, distance, topography and elevation. It discusses water supply considerations and methods for rural areas.
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Global Water Resources
1) The document discusses global water resources and the growing water crisis facing the world. It notes that while the total amount of water on Earth has remained the same, the population demanding access to freshwater has increased dramatically.
2) Approximately 70% of the Earth is covered in water, but only 3% is freshwater and 1% is easily accessible for human use. However, water use has increased more than 4 times since 1940 due to rising populations and increasing industrial and agricultural demand.
3) By 2025, it is estimated that two-thirds of the world's population will live in conditions of freshwater stress as available resources become increasingly strained and unequally distributed between populated regions. Rising pollution is also impact
Global water resources and use
Nearly all (97.5%) of the water on Earth is salt water found in oceans and seas. Only 2.5% of the water on Earth is fresh water, with over two-thirds of that being frozen in ice caps and glaciers. Less than 1% of the world's total water is accessible for direct human use from sources like lakes, rivers, and groundwater. Freshwater biomes, which cover about 20% of the Earth's surface, consist of bodies of fresh water like lakes, ponds, streams, and rivers that support various fish and plant life.
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Water is an essential resource for all life on Earth, yet only a small percentage is available for human use. Most of the Earth's water is salt water located in oceans, while freshwater is found in ice caps, glaciers, groundwater, lakes, and rivers. However, water scarcity is a growing problem as over two billion people lack access to clean drinking water and agriculture, which uses 70% of the world's freshwater, is inefficient. Conservation of our limited freshwater resources is critical to sustain life and protect the environment.
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Vijay's presentation discusses water resources and related topics. It notes that fresh water is a renewable yet decreasing resource. It describes the major uses of water as agricultural, industrial, household, and environmental. The document then discusses sources of fresh water such as surface water and groundwater. It also covers topics like floods, drought, conflicts over water, and more.
Uses of fresh water
Water resources include sources of fresh water that can be used by humans. Nearly all water on Earth is salt water, while only 3% is fresh water. The main sources of fresh water are surface water, groundwater, desalination, and frozen water. Water is used for agricultural, industrial, household, recreational, and environmental purposes. It is a critical resource but also cycles through the environment in the water cycle.
Availablity Of Water and Sources of fresh water
There are several sources of fresh water on Earth including surface water found in rivers and lakes, underground water that flows below rivers and within aquifers, groundwater stored in soil and rocks, frozen water in glaciers and icebergs, and desalinated water from processes that remove salt from sea water. Surface water comes from precipitation and is lost through discharge into oceans or evaporation. Underground river flows can exceed visible flows, exchanging with groundwater. Groundwater is found below the water table within aquifers. Desalination is an artificial process that converts sea water to fresh water but is currently expensive.
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This presentation talks about the Water Uses, Water Forms and Distribution, Availability, Fresh Water Shortage, Water Use Problems and Conflicts Increase Water Supply, Floods and Drought
It talks about the shortage of water all across the globe. So people should use it effectively without unnecessary wastage.
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This document discusses water resources and management in India. It covers topics like water use and overexploitation of resources, floods, droughts, traditional water management systems, and the benefits and problems of large dams. Specifically, it notes that although water is abundant globally, only a small percentage is available for human use. It also outlines some of the environmental impacts that can occur both upstream and downstream from large dam construction projects.
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This document discusses water resources in India. It covers various topics like sources of water, water flow and distribution influenced by factors like rainfall and river catchment areas. Groundwater resources are discussed along with utilization levels. Issues around water scarcity and disputes are highlighted. Techniques to recharge groundwater like rainwater harvesting are explained. The importance of irrigation in India and various methods are also summarized.
Different Methods of water storage
The document discusses various methods of water storage used in India to deal with droughts and water scarcity. It describes traditional techniques like jhalars, talabs, bawaris, taankas, ahar pynes, and johads that have been used for centuries to harvest rainwater and store it for use during dry periods. It also discusses dams, reservoirs, and rainwater harvesting as modern methods of water storage and conservation. The document emphasizes the importance of conserving water given the increasing water demands and impacts of climate change.
Sources of water
this ppt is on the topic sources of water.I give description enough for presentation.i think it is nice ppt :)
Water sources
Water covers most of the Earth's surface and is essential for life. The main sources of water for irrigation are surface water from rivers, reservoirs and lakes, and groundwater. Surface water quantity depends on factors like storage capacity, permeability, runoff, precipitation and evaporation which can be impacted by human activities. Groundwater availability varies by location and depth. Water is tapped from these sources through various methods like gravity flow, pumping from wells or rivers. Dams and reservoirs help regulate water supply for irrigation in Pakistan.
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This document summarizes key information about water resources. It discusses various sources of water including surface water sources like ponds, lakes, rivers, reservoirs, and rainwater as well as groundwater sources like wells, springs, and infiltration galleries. It also outlines major uses of water for consumptive purposes like irrigation, and non-consumptive purposes like hydroelectric power. Overuse of water resources is mentioned as a threat, with agriculture being the largest consumer and issues arising from overdrawing surface and groundwater supplies.
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India faces increasing water scarcity due to factors like population growth, overexploitation of resources, and pollution from industry and agriculture. While India receives 4% of the world's precipitation annually, its available fresh water resources per person are low and expected to decline further by 2025. To address scarcity, India employs strategies like building dams and canals for irrigation, as well as multipurpose river valley projects. However, these projects have also caused conflicts over displacement and environmental impacts. Rainwater harvesting is presented as a more sustainable alternative that revives traditional techniques suited to local conditions.
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Water is stored naturally in oceans, the atmosphere, groundwater aquifers, soil water, and wetlands. It is also stored artificially in small ponds, tanks, and reservoirs behind dams. The majority (96.5%) of the world's water is stored in oceans. Small amounts are found in the atmosphere, soil, groundwater aquifers, lakes, and as ice. Water storage helps supply freshwater for domestic and agricultural use later.
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There are plenty of sources of water in India. It is critical to know your source of water supply to choose the best water purification technology for safe drinking water.
Water, a renewable resource
Water can be considered a renewable resource if its usage, treatment, and release are carefully controlled and do not exceed the natural replenishment rate. Water is renewable because it evaporates from oceans into clouds, falls as rain, and flows through rivers and dams before returning to the sea to repeat the cycle. However, overuse of groundwater aquifers can cause permanent compaction and is thus non-renewable. While the total amount of water on Earth is fixed, the natural water cycle makes water a theoretically renewable resource if rain levels are maintained.
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The document discusses water resources and related topics. It begins by introducing the student project and listing the contents to be covered, which include the hydrosphere, features of water, types of water resources, uses of water, the water cycle, water as a precious resource, freshwater resources, water pollution, water-related diseases, floods, droughts, and dams. It then provides details on these topics, describing things like the water cycle, groundwater resources, surface water resources, uses of water in agriculture, industry, domestic applications, and hydropower generation. It also discusses issues like water pollution, diseases related to water, and environmental problems caused by dams.
Unit 8 Global Water Resources
This document contains summaries of several topics related to global freshwater resources:
1) It discusses groundwater hydrology, which is the study of water beneath the earth's surface, and how it is important for water supply, irrigation, and understanding water development and conservation.
2) Several sections summarize topics like the distribution of freshwater, depletion of resources, water salinization, and diseases caused by lack of access to clean water.
3) The document also covers policies like the Reduction of Lead in Drinking Water Act and how stormwater runoff is regulated through the National Pollutant Discharge Elimination System permit program to prevent pollution of surface waters.
Water Resources (Basic Geography)
Water resources include surface water sources like rivers and lakes as well as groundwater sources located underground. Surface water is replenished by precipitation and flows through river systems, while groundwater is located in aquifers below the water table. People use water resources for household needs, agriculture which accounts for 69% of water usage globally, industry, recreation, and environmental purposes. Water pollution can occur from point sources like waste water treatment plants or nonpoint sources like stormwater runoff, harming water quality.
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This document discusses various sources of water for potable water supply. It describes surface water sources like rivers, streams, ponds and lakes. It also describes subsurface sources like springs, wells and tube wells. It provides details on ponds and lakes, rivers and streams, and reservoirs as surface water sources. It discusses the quality of water from these different sources. It also summarizes the characteristics of groundwater versus surface water sources. The document provides guidance on selecting appropriate water sources based on factors like quantity, quality, distance, topography and elevation. It discusses water supply considerations and methods for rural areas.
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The document discusses water resource engineering and hydrology. It covers topics like the hydrological cycle, watershed development objectives and components, water requirements and conservation, and sources of water. Specifically, it describes the hydrological cycle involving evaporation, condensation, precipitation, surface runoff, and underground water. It also outlines objectives of watershed development like improving water retention and controlling soil erosion. Sources of water discussed include surface sources like lakes, rivers, and reservoirs, as well as groundwater sources.
Global Water Resources
1) The document discusses global water resources and the growing water crisis facing the world. It notes that while the total amount of water on Earth has remained the same, the population demanding access to freshwater has increased dramatically.
2) Approximately 70% of the Earth is covered in water, but only 3% is freshwater and 1% is easily accessible for human use. However, water use has increased more than 4 times since 1940 due to rising populations and increasing industrial and agricultural demand.
3) By 2025, it is estimated that two-thirds of the world's population will live in conditions of freshwater stress as available resources become increasingly strained and unequally distributed between populated regions. Rising pollution is also impact
Global water resources and use
Nearly all (97.5%) of the water on Earth is salt water found in oceans and seas. Only 2.5% of the water on Earth is fresh water, with over two-thirds of that being frozen in ice caps and glaciers. Less than 1% of the world's total water is accessible for direct human use from sources like lakes, rivers, and groundwater. Freshwater biomes, which cover about 20% of the Earth's surface, consist of bodies of fresh water like lakes, ponds, streams, and rivers that support various fish and plant life.
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Water is an essential resource for all life on Earth, yet only a small percentage is available for human use. Most of the Earth's water is salt water located in oceans, while freshwater is found in ice caps, glaciers, groundwater, lakes, and rivers. However, water scarcity is a growing problem as over two billion people lack access to clean drinking water and agriculture, which uses 70% of the world's freshwater, is inefficient. Conservation of our limited freshwater resources is critical to sustain life and protect the environment.
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Vijay's presentation discusses water resources and related topics. It notes that fresh water is a renewable yet decreasing resource. It describes the major uses of water as agricultural, industrial, household, and environmental. The document then discusses sources of fresh water such as surface water and groundwater. It also covers topics like floods, drought, conflicts over water, and more.
Uses of fresh water
Water resources include sources of fresh water that can be used by humans. Nearly all water on Earth is salt water, while only 3% is fresh water. The main sources of fresh water are surface water, groundwater, desalination, and frozen water. Water is used for agricultural, industrial, household, recreational, and environmental purposes. It is a critical resource but also cycles through the environment in the water cycle.
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There are several sources of fresh water on Earth including surface water found in rivers and lakes, underground water that flows below rivers and within aquifers, groundwater stored in soil and rocks, frozen water in glaciers and icebergs, and desalinated water from processes that remove salt from sea water. Surface water comes from precipitation and is lost through discharge into oceans or evaporation. Underground river flows can exceed visible flows, exchanging with groundwater. Groundwater is found below the water table within aquifers. Desalination is an artificial process that converts sea water to fresh water but is currently expensive.
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This presentation talks about the Water Uses, Water Forms and Distribution, Availability, Fresh Water Shortage, Water Use Problems and Conflicts Increase Water Supply, Floods and Drought
It talks about the shortage of water all across the globe. So people should use it effectively without unnecessary wastage.
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This document discusses water resources and management in India. It covers topics like water use and overexploitation of resources, floods, droughts, traditional water management systems, and the benefits and problems of large dams. Specifically, it notes that although water is abundant globally, only a small percentage is available for human use. It also outlines some of the environmental impacts that can occur both upstream and downstream from large dam construction projects.
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This document discusses water resources in India. It covers various topics like sources of water, water flow and distribution influenced by factors like rainfall and river catchment areas. Groundwater resources are discussed along with utilization levels. Issues around water scarcity and disputes are highlighted. Techniques to recharge groundwater like rainwater harvesting are explained. The importance of irrigation in India and various methods are also summarized.
Different Methods of water storage
The document discusses various methods of water storage used in India to deal with droughts and water scarcity. It describes traditional techniques like jhalars, talabs, bawaris, taankas, ahar pynes, and johads that have been used for centuries to harvest rainwater and store it for use during dry periods. It also discusses dams, reservoirs, and rainwater harvesting as modern methods of water storage and conservation. The document emphasizes the importance of conserving water given the increasing water demands and impacts of climate change.
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this ppt is on the topic sources of water.I give description enough for presentation.i think it is nice ppt :)
Water sources
Water covers most of the Earth's surface and is essential for life. The main sources of water for irrigation are surface water from rivers, reservoirs and lakes, and groundwater. Surface water quantity depends on factors like storage capacity, permeability, runoff, precipitation and evaporation which can be impacted by human activities. Groundwater availability varies by location and depth. Water is tapped from these sources through various methods like gravity flow, pumping from wells or rivers. Dams and reservoirs help regulate water supply for irrigation in Pakistan.
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Surface water, frozen water, and groundwater are the main sources of fresh water. Surface water comes from rivers, lakes, and wetlands and is replenished by precipitation and lost through discharge and evaporation. Frozen water is stored in glaciers and ice caps, though some proposals have explored using icebergs as a water source. Groundwater is stored underground. People use water for household needs like washing, drinking, and bathing, as well as agriculture, industry, and recreation. Conserving water helps protect this resource and some tips include only running dishwashers and washing machines with full loads, turning off taps when brushing teeth, checking for leaks, taking shorter showers, and watering lawns in
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This document outlines 100 different uses of water according to a 3rd grade science project. It discusses how water is essential for all living things including plants, animals, and humans. It provides examples of how water is used for cleaning, cooking, drinking, transportation, recreation, making things, cooling, and more. The document emphasizes that water is vital for survival and serves countless important purposes in our lives and communities.
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Nicanor Perlas is a presidential candidate in the Philippines who has a plan to improve watershed management in the country. His plan is to view development through the lens of bioregions defined by watersheds. He wants to ensure every community has access to clean water by partnering with organizations to build water systems. Key aspects of his plan include improving water resource management, conducting conferences on water issues, assessing freshwater intrusion, protecting lakes, and preventing activities like logging that damage watersheds.
Land resources
Land, water, forests, and soil are among India's most important natural resources.
Land resources in India account for approximately 1.3 million square miles and are varied, consisting of 43% plains, 30% mountains, and 27% plateaus. Agriculture is a major use of land resources in India, as India is one of the world's largest producers of many agricultural goods. Soil is another vital resource that requires protection from erosion through practices like maintaining vegetation cover, crop rotation, and terracing. Water is equally essential, being used for agriculture, drinking, washing, transportation, recreation and other purposes. Forests cover around 24% of India's land area and also provide an important natural resource.
Urban land use
Year 10 KS4 lesson. At the end of the lesson students will be able to describe the changes of land use throughout a city, and identify the six different land use zones.
Land Resources in the Philippines
The Philippines has 30 million hectares of land classified as either alienable and disposable or forestland. 50% is forestland, 47% is alienable and disposable land, and 3% is unclassified forestland. The primary source of livelihood in the Philippines is its fertile land, which produces six major crops: rice, corn, sugarcane, coconut, abaca, and tobacco. However, mining, erosion, dam construction, commercial fertilizer use, and large buildings threaten to destroy the Philippines' land resources, so preservation efforts like terracing, contour farming, crop rotation, reforestation, limiting mining and construction are important.
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Water sources
- 2. What is a water source? Water sources are sources of water that are useful or potentially useful to humans. http://www.dnr.state.wi.us/org/water/wm/glwsp/SSAPlan/images/wetland.jpg
- 3. Springs What is a water spring? A spring is a component of the hydrosphere, namely any natural occurrence where water flows on to the surface of the earth from below the surface. http://peswiki.com/images/d/d9/Water_spring_350.jpg
- 4. Wells A water well is an excavation or structure created in the ground by digging, driving, boring or drilling to access groundwater in underground aquifers. The well water is drawn by an electric submersible pump, a vertical turbine pump, a hand pump or a mechanical pump http://www.friendsofwater.com/images/well__red_and_green.jpg
- 5. Lakes Lakes are one of the few sources of fresh water on earth. Only 3% of the earths water is fresh water. http://www.holidays2canada.co.uk/images/seo/lake-louise-canada.jpg
- 6. Rivers A river is a natural watercourse,usually freshwater, flowing toward an ocean, a lake, a sea or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. http://www.lisisoft.com/imglisi/5/Screensavers/63992calming-river.jpg
- 7. Oceans Oceans contain salt water and make up about 97% of the worlds total water. Salt water is unsafe to drink making it almost useless to humans. http://www.treehugger.com/southern-ocean-jj.jpg
- 9. Citation Page http://en.wikipedia.org/wiki/Water_resources http://en.wikipedia.org/wiki/Water_spring http://en.wikipedia.org/wiki/Water_well http://wordnetweb.princeton.edu/perl/webwn?s=lake http://en.wikipedia.org/wiki/Rivers