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Showing 1 to 3 of 3 for “"Water quality--Iowa"”.
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Monitoring spatial and temporal water quality changes in Iowa lakes using airborne hyperspectral imagery
1 PDF file (xi, 104 pages)
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Species Diversity of Benthic Macroinvertebrates in the Des Moines River, Iowa
Problem. Evaluation of the water quality of the Des Moines River. Iowa by sampling and analyzing the benthic macroinvertebrate community. Procedure. Artificial substrates at four stations were used to collect benthic macroinvertebrates. Community structure was analyzed with species divorsity …
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Variations of Physical and Chemical Parameters Within a Shallow Wind Influenced Lake
… of physical and chemical parameters of a small Iowa artificial lake was needed. Such a study would establish a reference point for future developments in terms of water quality and useage of the defined area. Procedure. Lake Easter, Polk County, Iowa, was studied from April 18 to July 2, 1969. …