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Improved agricultural practices and widespread irrigation may stave off another agricultural calamity in the Great Plains. But scientists are now warning that two inescapable realities rising temperatures and worsening drought could still spawn a modern-day Dust Bowl. ....
As the Climate Warms, Could the U.S. Face Another Dust Bowl? Improved agricultural practices and widespread irrigation may stave off another agricultural calamity in the Great Plains. But scientists are now warning that two inescapable realities rising temperatures and worsening drought could still spawn a modern-day Dust Bowl. Growing up in rural Iowa in the 1990s, Isaac Larsen remembers a unique herald of springtime. The snowbanks piled along roads, once white or gray, would turn black. The culprit was windblown dust, stirred from barren farm fields into the air. Even as some of the region’s farmers have adopted more sustainable practices, the dust still flies. Not long ago, Larsen’s mother told her son about an encounter with a dust storm, saying “the soil was just blowing across the road almost like a blizzard, but black.” ....
Like a great lake hidden underground, the Ogallala Aquifer is a shallow water table aquifer surrounded by sand, silt, clay, and gravel located beneath the Great Plains in the United States. ....
Like a great lake hidden underground, the Ogallala Aquifer is a shallow water table aquifer surrounded by sand, silt, clay and gravel located beneath the Great Plains in the United States. One of the worldâs largest aquifers, it underlies an area of approximately 174,000 square miles in portions of eight states (South Dakota, Nebraska, Wyoming, Colorado, Kansas, Oklahoma, New Mexico and Texas). It was named in 1898 by geologist N.H. Darton, after the town of Ogallala, Nebraska. The aquifer is part of the High Plains Aquifer System and resides in the principal geologic unit underlying 80% of the High Plains. Before the rapid growth of irrigation for agricultural purposes started after World War II, the aquifer contained roughly a quadrillion gallons of water, enough to fill Lake Erie more than eight times. In the 1950s, new pumping methods and irrigation systems enabled removal of significant quantities of Ogallala water. Since then, farmers have managed to suck up ove ....