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pro vyhledávání: '"H. Allen Wehrmann"'
Autor:
H. Allen Wehrmann, William S. Dey, Donald A. Keefer, Chittaranjan Ray, Edward Mehnert, Steven D. Wilson
Publikováno v:
Groundwater Monitoring & Remediation. 25:60-67
For years, researchers have sought index and other methods to predict aquifer sensitivity and vulnerability to nonpoint pesticide contamination. In 1995, an index method and map were developed to define aquifer sensitivity to pesticide leaching based
Publikováno v:
Environmental Monitoring and Assessment. 59:31-46
The application of geostatistics to spatial interpolation of time-invariant properties in ground-water studies (such as transmissivity or aquifer thickness) is well documented. The use of geostatistics on time-variant conditions such as ground-water
Autor:
Adrian P. Visocky, H. Allen Wehrmann
Publikováno v:
Ground Water. 17:538-543
Illinois aquifers furnish approximately 233 mgd (10.2 m3/s) of water to 677 public-water supplies outside the six-county area of northeastern Illinois. Ground water is usually obtained from sand-and-gravel deposits in the glacial drift or from limest