PhysOrg: University of Arizona scientists Karl Flessa and Ed Glenn and a binational team of scientists will monitor the effects of an engineered spring flood to bring water to the parched Colorado River delta.
The pulse flow of water into the dry lower reaches of the Colorado River began Sunday.
"This allocation of environmental water to the Colorado River Delta in Mexico is unprecedented," said Flessa, UA professor of geosciences and co-chief scientist of the monitoring effort. "We need to learn how...