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Category Archives: Water
Himalayan glaciers that supply water to a billion people are melting fast
Preface. The Himalayan glaciers that supply water to a billion people are melting fast, already 30% has been lost since 1975. Adding to the crisis are the 400 dams under construction or planned for Himalayan rivers in India, Pakistan, Nepal, … Continue reading
Posted in Caused by Scarce Resources, Climate Change, Climate Change, Dams, Water, Water, Water
Tagged climate change, dams, glaciers melting, Himalaya
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California’s central valley aquifers may be gone in 2030s, Ogallala 2050-2070
Preface. Clearly the human population isn’t going to reach 10 billion or more. California grows one-third of the nation’s food, the 10 high-plains states over the Ogallala about a quarter of the nations food, and exports a great deal of … Continue reading
Posted in Groundwater, Water, Water
Tagged aquifer, california, depletion, groundwater, Ogallala, peak water
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Fresh water depletion, contamination, saltwater intrusion, & permanent subsidence
Map of the U.S. showing cumulative groundwater depletion from 1900 through 2008 in 40 aquifers. Source: Groundwater Depletion in the United States (1900-2008), USGS Scientific Investigations Report 2013-5079. Preface. What follows is from: Ayre, J. April 2018. Fossil Water Depletion, Groundwater … Continue reading
Posted in Groundwater, Salinity, Water, Water, Water
Tagged aquifer, depletion, groundwater, water
Comments Off on Fresh water depletion, contamination, saltwater intrusion, & permanent subsidence
Water as a geopolitical threat. U.S. House of Representatives
Preface. Water scarcity is causing unrest and could led to war in Asia and the Middle East. There’s a website that keeps track of conflicts over water going back for 3,000 years here — 655 of them. The prevalence of … Continue reading
Posted in Caused by Scarce Resources, Congressional Record U.S., Water, Water
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Plants are sucking streams dry thanks to more CO2
Slezak, M. October 24, 2015. Carbon emissions make Earth greener but are also drying it out. NewScientist. Source: Ukkola, A. M., et al. October 19, 2015 Reduced streamflow in water-stressed climates consistent with CO2 effects on vegetation. Nature Climate Change 6, … Continue reading
Posted in CO2 and Methane, Water, Water
Tagged carbon dioxide, climate change, streams, water
Comments Off on Plants are sucking streams dry thanks to more CO2
USGS Groundwater Depletion study of Aquifer decline in the United States
Preface. The Ogallala and many other aquifers are depleting rapidly and growing more toxic from pesticides, feedlot waste, intruding salts, and other pollution. Most won’t be recharged until after the next ice age. The Ogallala is one of Earth’s largest … Continue reading
Posted in Agriculture, Government, Groundwater, Peak Food, Water
Tagged aquifer, depletion, groundwater, USGS
1 Comment
Coal plants are causing water shortages in China
Wong, E. March 22, 2016. Report Ties Coal Plants to Water Shortage in Northern China. New York Times. China’s consumption of coal, a major contributor to climate change and the country’s horrific air pollution, is worsening a severe water shortage … Continue reading
Peak Aquifers: Very little Ground water is renewable, perhaps only 1.5%
Gleeson, Tom, et al. November 2015. The global volume and distribution of modern groundwater. Nature Geoscience. The water in aquifers and wells billions of people depend upon is mostly a non-renewable resource that could run out. Underground water is renewed … Continue reading
Posted in Groundwater, Water
Tagged aquifer, groundwater, water
Comments Off on Peak Aquifers: Very little Ground water is renewable, perhaps only 1.5%