12 Freshwater I 1 - Freshwater Distribution of Water Water...

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Unformatted text preview: Freshwater Distribution of Water Water source Percent of fresh water ­­ 69.6 30.1 0.26 0.05 0.04 0.03 0.006 0.003 Percent of total water 96.5 1.79 1.7 0.013 0.001 0.001 0.0008 0.0002 0.0001 Source: USGS Oceans, Seas, & Bays Ice caps, Glaciers, & Permafrost Groundwater Lakes Soil Moisture Atmosphere Wetlands, Swamps Rivers Biological Water 70% of fresh water on earth exists as ice South pole – 2 miles deep North pole – 15 feet deep Melting = 200 ft sea level increase + 45 ft - 375 ft If all the atmospheric moisture fell to the earth at once the sea level would rise only one inch Available Freshwater Groundwater Lakes Soils Wetlands Rivers 0.775% 0.8% acre-feet of water acre-feet of water acre-feet of water 1E+15 3E+13 1E+13 9E+14 9E+12 3E+13 8E+14 8E+12 7E+14 7E+12 2E+13 6E+14 6E+12 5E+14 2E+13 5E+12 4E+14 4E+12 1E+13 3E+14 3E+12 2E+14 5E+12 2E+12 1E+14 1E+12 00 0 Water on on Earth Liquid Wateron Earth Freshwater Earth Resource Resource Resource 98% of readily available freshwater is in groundwater Fr esE a Lhw r a Ic Fre i qu tth es ie an h d r w Ic G d G a e ro t anu n lacer d dw ier Ga s lac te ie r Li rs Su qu rfa id Gc roe Li nq G u Wa uid ro dwte Su u nd atrer rw Su fac ate r fa e W r c e La a t Wk e er at s e La r At k m Le Atosp ak s h At m os e es m phre os e ph re er e RiR ve iv e Ri rsr ve s rs Water Distribution Location, Location 6 countries possess half of the world’s total renewable freshwater supplies. Brazil Colombia Russia Canada Indonesia China Water Availability and Location South America: 3 of the 10 largest rivers 25% of fresh river water 5% of world population Greenland: 8 million gallons/person/day Alaska: 1 million gallons/person/day Congo: 130,000 gallons/person/day Gaza: 37 gallons/person/day Australia is the driest continent, but has small population Asia has 2/3 of world population, but 1/3 renewable water ...
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12 Freshwater I 1 - Freshwater Distribution of Water Water...

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