Near-decadal changes in nitrate and pesticide concentrations in the South Platte River alluvial aquifer, 1993-2004.

@article{Paschke2008NeardecadalCI,
  title={Near-decadal changes in nitrate and pesticide concentrations in the South Platte River alluvial aquifer, 1993-2004.},
  author={Suzanne Smith Paschke and Keelin R. Schaffrath and Shana L. Mashburn},
  journal={Journal of environmental quality},
  year={2008},
  volume={37 5 Suppl},
  pages={
          S281-95
        }
}
The lower South Platte River basin of Colorado and Nebraska is an area of intense agriculture supported by surface-water diversions from the river and ground-water pumping from a valley-fill alluvial aquifer. Two well networks consisting of 45 wells installed in the South Platte alluvial aquifer were sampled in the early 1990s and again in the early 2000s to examine near-decadal ground-water quality changes in irrigated agricultural areas. Ground-water age generally increases and dissolved… 
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