Groundwater and Surface water Pollution Surface waters are the natural resources of the Earth‚ which are found on the exteriors of the land. Ground water is water that comes from the ground‚ which comes from rain‚ snow and sleet. These types of waters can become polluted in a numbers of ways and come from a number of varied sources. All types of water pollution are harmful to the health of humans and animals. It may not affect or damage our health immediately but can be harmful after long term
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Climatic Change and Its Effect on Society There has been a significant climatic change that has taken place throughout the years on Earth. These changes have effected society in more than one way. However‚ there is nothing society can do about the long term influences of climatic changes. Society has tended to address the short term effects of climatic changes that influence the global temperatures within the life span of present generations. The following will show how climatic changes does effect
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Rain Water Harvesting: A Solution To Water Crisis Water is an essential resource. No one can live and survive without water. Hence‚ we should not let the source of the life waste‚ instead we must store it. We can do so by the methods of Rainwater Harvesting. Rainwater Harvesting refers to the process of collecting and storing of rainwater. Rainwater harvesting helps in providing drinking water‚ water for irrigation‚ agricultural purposes or for groundwater recharge. It is one of the best solutions
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Chapter 13 Vocab Chlorofluorocarbons (CFCs): Synthetic organic compounds first created in the 1950s and used primarily as refrigerants and as propellants. The role of CFCs in the destruction of the ozone layer led to the signing of an international agreement (the Montreal Protocol). Anthropocene: Geological epoch defined by atmospheric chemist Paul Crutzen to acknowledge the central role humans play in shaping the Earth’s environment. Pangaea: The primeval supercontinent‚ hypothesized
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NATIONAL RAPID ENVIRONMENTAL ASSESSMENT - THE MALDIVES THE MALDIVES Hakura‚ Maldives (10 January 2005). An aerial view of the damaged Hakura resort in the Maldives‚ along a flight path taken by the UN Secretary-General‚ Kofi Annan‚ who travelled to the region. At least 23 of the 87 tourist resorts in the Maldives were devastated in the 26 December tsunami. © Sena Vidanagama/AFP/Getty Images 76 77 NATIONAL RAPID ENVIRONMENTAL ASSESSMENT - THE MALDIVES 5. 5.1 NATIONAL RAPID ENVIRONMENTAL
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Robert Hardt Instructor Mark Schmidt Surface Water Supply/Treatment March 14‚ 2013 Disinfection The main objective for the disinfection process raw water undergoes in our treatment facilities‚ rather the only purpose for disinfection is to kill any and all remaining viruses and harmful pathogens that would otherwise threaten the safety of those to consume it. Even after the turbidity has been reduced down to very nearly an ntu level of zero and the water is aesthetically sound
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growing by over 2‚000‚000 people per year‚ 240 people per hour‚ about half from new births and half from immigration. An issue that not only devastatingly impacts our economy‚ but is rapidly depleting our environment. Such as‚ the Central Valley Aquifer which loses the water equivalent of 1 Lake Mead each year. The underlying factor catalyzing the rapid growth in population was the swift progression in technology. The gradual understanding of the importance of hygiene and the development of new medical
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Country | Per capita water use m³ yr¯¹ | Population growth rate % yr¯¹ | LEDCS | Bangladesh | 560 | 2.2 | Cameroon | 61 | 2.2 | Egypt | 69 | 1.7 | India | 585 | 1.6 | Kenya | 46 | 2.8 | MEDCS | Malta | 50 | 0.4 | Saudi Arabia | 705 | 1.9 | Australia | 1‚200 | 0.8 | UK | 200 | 0.3 | USA | 1‚600 | 0.9 | Hydrosphere work | Capital | Cameroon | 2.2 | Egypt | 1.7 | India | 1.6 | Kenya | 2.8 | Malta | 0.4 | Saudi Arabia | 1.9 | Australia | 0.8 | UK | 0.3 |
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Porosity Courtesy J. H. Wittke & T. E. Bunch‚ 2004-2008 Definition of Porosity Vv ≡ void volume VT ≡ total volume VV φ≡ ≡ Total Porosity VT Properties of Real Rocks That Influence Porosity • • • • • • • • Sorting Shape Clay minerals Cementation Bound water Fracturing Diagenesis Solution • Particle size (only weakly) S Pore Grain Rg Courtesy Jon Burger‚ UH and Chevron Geological Classifications of Porosity • Matrix (intergranular) Between
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majority of them living in slums‚ are the worst- affected. They depend entirely on the water supply systems. Groundwater is the city’s major water source now; It is drawn mainly from the well-fields in the Araniyar- Kortakaiyar basin and the aquifer between tiruvanmiyur and Muttukadu along the coast of south Chennai. Groundwater extraction is reaching its limits. According to the Central Groundwater Board‚ 80% of Chennai’s groundwater has been depleted and any further exploration could lead to
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