Cold water supply
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This document discusses various sources of water supply, including wells, boreholes, fountains, rivers, and different regions. Wells are cheap to make but can be contaminated. Boreholes are self-sufficient but dependent on rain. Rivers provide water for daily needs but are often polluted by industrial and agricultural waste. The natural water cycle involves evaporation, precipitation, and runoff that moves water through the atmosphere and environment.
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"Earthsoft Foundation of Guidance (EFG) is working as an NGO/NPO for students - Education & Career
guidance and for Professionals for soft skills enhancements. We are working speading , sharing
knowledge; experience globally.It has uploaded important presentations at http://myefg.in/downloads.aspx.
Also visit www.slideshare.net and search using key word - earthsoft
Read http://tl.gd/jm1gh5 and view picture http://twitpic.com/cept60
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The document summarizes environmental problems and management aspects of the Vembanad Kol wetland system in Kerala, India. It begins with background on wetlands and an introduction to the Vembanad Kol system. It then discusses the wetland's physical characteristics, ecological significance, economic potential, and history of interventions. Major problems are outlined such as the impacts of physical barriers, sand mining, tourism, industrialization, and more. Potential management strategies are proposed, including improving education and engagement, strengthening institutional oversight, and establishing more participatory governance. The wetland is at risk of vanishing within 50 years due to climate change exacerbating various threats if no action is taken.
SAVE WATER SAVE LIFE
This document discusses the importance of saving water and saving life. It notes that while water covers 71% of the Earth's surface, only 3% is freshwater, and water is essential for sustaining all life. The document outlines various sources of water pollution including domestic sources like open defecation and drainage, as well as agricultural pollution from pesticides, fertilizers, and overextraction of groundwater. It also discusses how water is vital for human health, and how our environments are impacted by improper waste disposal near water sources. Charts are included showing how household water is commonly used.
GEETA2.pptx
This document discusses the importance of saving water and saving life. It notes that while water covers 71% of the Earth's surface, only 3% is freshwater, and water is essential for sustaining all life. The document outlines various sources of water pollution including domestic sources like open defecation and drainage, as well as agricultural pollution from pesticides, fertilizers, and overextraction of groundwater. It also discusses how water is vital for human health, and how our environments are impacted by improper waste disposal near water sources. Charts are included showing how household water is commonly used.
Water for sustenance of human heatlh and environment
Water for sustenance of human heatlh and environmentVaishali Senior Secondary School Mahua, Vaishali
The document discusses the importance of water for sustaining human health and the environment. It notes that while water is a precious natural resource, today it is often contaminated through various means, posing challenges for accessing safe drinking water. Deterioration of groundwater quality from human and natural factors threatens available drinking water sources. The state of Bihar in India faces serious groundwater quality problems with high concentrations of contaminants like fluoride, arsenic, and metals. The document advocates for various solutions to address water scarcity and contamination issues, including planting more trees to boost rainwater harvesting, fixing leaky pipes, and raising awareness of sustainable water usage practices.Know about water desalination
Water is essential for life but only 2.5% of Earth's water is fresh water, while 97.5% is salt water in oceans. As populations increase, desalination of salt water emerges as a solution to provide more potable water. Desalination is a technique that removes excess salts from salt water or brackish water, converting it into safe drinking water. The desalination process produces both potable fresh water that has lower salt and mineral content, and brine with higher salt concentrations than the original salt water. Future desalination technologies will be needed to meet increasing global fresh water demands.
Chapter 1 Water pollution
This document discusses water pollution and its causes. It begins with an introduction noting that billions of people lack access to safe drinking water and sanitation. Several sections then discuss various pollutants that contaminate water sources, including pathogens, oxygen-demanding wastes, nutrients, salts, thermal pollution, heavy metals, pesticides and more. Statistics are provided on the percentage of impaired water bodies and leading causes of impairment. The document provides an overview of key issues relating to water quality and pollution.
Water supply, use, pollution and treatments
The document provides information on global water supply and issues related to water use, pollution, and treatment. It discusses the following key points:
1) A growing global water shortage is linked to food supply as the human population grows and water is needed to grow more food. Only 1% of the world's water is available for human use.
2) Water pollution from sources like agricultural and urban runoff degrades water quality and exposes billions of people to waterborne diseases. Pollution increases biochemical oxygen demand (BOD) in water.
3) Eutrophication from excess nutrients like nitrogen and phosphorus entering water bodies from fertilizers and sewage kills aquatic plants and reduces dissolved oxygen, harming ecosystems
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33 part 1-earthsoft-water - critical resource-basic
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みなさんこんにちはこれ何文字まで入るの？40文字以下不可とか本当に意味わからないけどこれ限界文字数書いてないからマジでやばい文字数いけるんじゃないの？えこ...
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Cold water supply
- 1. COLD WATER SUPPLY BY MR MALULEKE TM
- 2. SOURCES OF WATER • • WELLS • • BOREHOLES • • FOUNTAINS • • RIVERS • • UPLAND AND LOWLAND REGIONS
- 3. WELLS ADVANTAGES AND DISADVANTAGES • CHEAP TO MAKE • LAST FOREVER… THE HOLE CAN BE USED ENDLESSLY • HEALTH RISKS… CONTAMINATION • ONLY RELIES ON RAIN
- 4. BOREHOLES ADVANTAGES AND DISADVANTAGES • SELF SUFFICIENTLY • SAVE MONEY • MAKE MONEY • DEPENDENT ON RAIN
- 5. RIVERS ADVANTAGES AND DISADVANTAGES • PROVIDE US WITH WATER FOR ALL OUR DAILY NEEDS TO LIVELIHOODS • CONSIDERED TO BE CLEANER THAN MOST SOURCES • POLLUTION (A LOT OF INDUSTRIAL AND AGRICULTURAL WASTES ARE BEING DUMPED INTO THE RIVERS, MAKING THE WATER TOXIC AND FATAL FOR HUMAN USE AS WELL AS FOR THE MARINE LIFE SUSTAINING.)
- 6. NARURAL WATER CYCLE WHAT IS NATURAL WATER CYCLE? • THE NATURAL WATER CYCLE USES PHYSICAL PROCESSES TO MOVE WATER FROM THE SURFACE OF THE EARTH TO THE ATMOSPHERE AND BACK AGAIN. ... PRECIPITATION IS WHEN WATER DROPLETS FALL FROM THE SKY AS RAIN, SNOW OR HAIL. RUN-OFF IS WHEN WATER FLOWS OVER THE GROUND AND INTO CREEKS, RIVERS AND OCEANS
- 7. ACTIVITY • IDENTIFY 3 PROPERTIES OF WATER. • EXPLAIN THE PROCESS OF NATURAL WATER CYCLE. • NAME 3 NATURAL SOURCES OF WATER. • EXPLAIN THE PROCESS OF WATER PURIFICATION.