21. The area remained under a flash flood warning Wednesday, National Weather Service hydrologist Brian Avery said. 22. She has been cited as turning groundwater modeling into a " fundamental tool of practicing hydrologists ." 23. The Greenfield Hill Village Improvement Society hired a hydrologist to study water runoff effects of the expanded field. 24. Hydrologists are still assessing what impact the dry winter will have on irrigation in the San Joaquin Valley.25. Hydrologists estimate that only 27 percent of Mexico's surface water is clean enough for simple treatment.26. The hydrologist Peter Gleick comments : " Few rational observers deny the need for boundaries to freshwater use. 27. The team consisted of archaeologists, botanists, geologists, hydrologists , soil scientists, and forest engineers. 28. The system, said weather service hydrologist Tracy Cox, " has been very effective, extremely effective. 29. Asarin, the hydrologist who first predicted the Aral's demise, said he has given up hope. 30. One UW researcher, hydrologist Alan Hamlet, said weather patterns could explain why glaciers and snowpacks are shrinking.
