A comparison study of the nitrogen and phosphorous concentrations in the Mississippi, Nelson and Niobrara River basins

dc.contributor.advisorCloflin, Thomas O.
dc.contributor.authorStrawhorn, Neil J.
dc.date.accessioned2012-02-13T16:41:51Z
dc.date.available2012-02-13T16:41:51Z
dc.date.issued1975-12
dc.description.abstractIt has been hypothesized that the absolute quantities of nitrogen and phosphorous in the Upper Mississippi River Basin are higher than they normally would be without the influence of man's activities and without the presence of navigation pools. The purpose of this study is to support this hypothesis by establishing a set of control values for nitrogen and phosphorous levels.en
dc.identifier.urihttp://digital.library.wisc.edu/1793/56737
dc.language.isoen_USen
dc.subjectMississippi River.en
dc.subjectRivers.en
dc.subjectWaterways.en
dc.subjectEnvironmental aspects.en
dc.subjectPhosphorous.en
dc.subjectNitrogen.en
dc.titleA comparison study of the nitrogen and phosphorous concentrations in the Mississippi, Nelson and Niobrara River basinsen
dc.typeOtheren
thesis.degree.disciplineScienceen
thesis.degree.levelMSen

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