geography

SDSU: The shape of Imperial Valley water

SDSU researchers examine the effects of shrinking water supplies in the Imperial-Mexicali Valley. Whenever it rained, six-year-old Trent Biggs would get in trouble for digging ditches in the school playground. “I just liked watching water flow around,” he explained. He still does. Now a San Diego State University geography professor, Biggs leads water-use studies from the Himalayan foothills of Nepal to the Amazon rainforests of…