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Originally posted by Furbs
reply to post by Blaine91555
You must not be aware that there is more to worry about when doing laundry than water shortage.
Power is a much bigger concern than water when it comes to commercial laundry.
A recent report by correspondent John Vidal from Dhaka said : The ambitious Indian plans to link major rivers flowing from the Himalayas and divert them south to drought-prone areas are still on the drawing board, but Bangladeshi government scientists estimated that even a 10% to 20% reduction in the water flow to the country could dry out great areas for much of the year. More than 80% of Bangladesh's 20 million small farmers grow rice and depend on water that has flowed through India. "The idea of linking these rivers is very dangerous.It could affect the whole of Bangladesh and be disastrous," said Hafiz (uddin) Ahmad, the water resources minister. "The north of Bangladesh is already drying out after the Ganges was dammed by India in 1976. Now India is planning to do the same on [many of] the 53 other rivers that enter the country via India. Bangladesh depends completely on water."
If water is pumped from many wells at a withdrawal rate in an aquifer that exceeds the natural recharge rate, the water table drops. As shown in the diagram, a cone of depression may form around a well. Depending upon the depth, other wells in the area may go dry. If this situation prevails for any significant amount of time, this is called water "mining". This may happen from rapid withdrawals for irrigation purposes from so called "fossil aquifers" which get very little if any recharge. Such "fossil aquifers" underlie the Sahara and Kalahari deserts in Africa, the Great Artesian Basin in Australia, the central Asia basins, and the Ogallala Aquifer in the western part the Midwest of the United States.
It is commonly assumed that the worlds water supply is huge and infinite. This assumption is false. In fact, of all the water on Earth, only 2.5 percent is freshwater, and available freshwater represents less than half of 1 percent of the world's total water stock. The rest is seawater, or inaccessible in ice caps, ground water and soil. This supply is finite. As Allerd Stikker of the Amsterdam-based Ecological Management Foundation explains "The issue today, put simply, is that while the only renewable source of freshwater is continental rainfall (which generates a more or less constant global supply of 40,000 to 50,000 cubic km per year), the world population keeps increasing by roughly 85 million per year. Therefore the availability of freshwater per head is decreasing rapidly." Most disturbingly, we are diverting, polluting and depleting that finite source of freshwater at an astonishing rate. Today, says the United Nations, 31 countries are facing water stress and scarcity and over one billion people lack adequate access to clean drinking water. By the year 2025, as much as two-thirds of the world's population-predicted to have expanded by an additional 2.6 billion people-will be living in conditions of serious water shortage and one-third will be living in conditions of absolute water scarcity.
Destroying water's natural habitat not only creates a supply crisis for people and animals, it also dramatically diminishes the amount of available freshwater on the planet. Kraveik describes the hydrologic cycle of a drop of water. It must first evaporate from a plant, earth surface, swamp, river, lake or the sea, then fall back down to earth as precipitation. If the drop of water falls back onto a forest, lake, blade of grass, meadow or field, it cooperates with nature to return to the hydrologic cycle. "Right of domicile of a drop is one of the basic rights, a more serious right than human rights," says Kraveik. However, if the earth's surface is paved over, denuded of forests and meadows, and drained of natural springs and creeks, the drop will not form part of river basins and continental watersheds, where it is needed by people and animals, but head out to sea, where it will be stored. It is like rain falling onto a huge roof, or umbrella; everything underneath stays dry and the water runs off to the perimeter. The consequent reduction in continental water basins results in reduced water evaporation from the earth's surface, and becomes a net loss, while the seas begin to rise.
Originally posted by Voldemorton
reply to post by cavalryscout
hey cavalryscout,
I just moved to Phoenix last year and didn't know about this until last night as well Some of my coworkers that have lived here there entire lives mentioned that this water table issue was why so many people moved out of the Queen Creek area a few years ago because of sink holes appearing in people's backyards overnight.....
Destroying water's natural habitat not only creates a supply crisis for people and animals, it also dramatically diminishes the amount of available freshwater on the planet. Kraveik describes the hydrologic cycle of a drop of water. It must first evaporate from a plant, earth surface, swamp, river, lake or the sea, then fall back down to earth as precipitation. If the drop of water falls back onto a forest, lake, blade of grass, meadow or field, it cooperates with nature to return to the hydrologic cycle. "Right of domicile of a drop is one of the basic rights, a more serious right than human rights," says Kraveik. However, if the earth's surface is paved over, denuded of forests and meadows, and drained of natural springs and creeks, the drop will not form part of river basins and continental watersheds, where it is needed by people and animals, but head out to sea, where it will be stored. It is like rain falling onto a huge roof, or umbrella; everything underneath stays dry and the water runs off to the perimeter. The consequent reduction in continental water basins results in reduced water evaporation from the earth's surface, and becomes a net loss, while the seas begin to rise.
However, some observers have estimated that by 2025 more than half of the world population will be facing water-based vulnerability.[10] A recent report (November 2009) suggests that by 2030, in some developing regions of the world, water demand will exceed supply by 50%
Kulshreshtha, S.N (1998). "A Global Outlook for Water Resources to the Year 2025". Water Resources Management
A recent report (November 2009) suggests that by 2030, in some developing regions of the world, water demand will exceed supply by 50%