U.S. Geological Survey Toxic Substances
Hydrology Program--Proceedings of the Technical Meeting, Colorado Springs,
Colorado, September 20-24, 1993, Water-Resources Investigations Report 94-4015
 
Section F - Occurrence, Distribution, and Transport of Agricultural
Chemicals in the Midwest
Section F contains papers on the environmental fate of agricultural chemicals
in the Midwest. The papers describe the occurrence, distribution, and transport
of agricultural chemicals in ground water, streams, large rivers, reservoirs,
and precipitation at regional to test plot scales. Examples of specific
topics in this section are papers on the relation of nitrate concentrations
in surface water to land use, the persistence of herbicides in reservoirs,
and the results of a reconnaissance of pesticides in near-surface aquifers.
The final eight papers in this section present results from the Management
Systems Evaluation Areas (MSEA) program, which is part of an interagency
research program to evaluate the effects of agricultural-management (farming)
systems on water quality.
Contents
- Occurrence, Deposition, and Long Range Transport
of Herbicides in Precipitation in the Midwestern and Northeastern United States
[Abstract Only] by Donald A. Goolsby, E. Michael Thurman, Michael L. Pomes,
Michael Meyer, and William A. Battaglin
- Atrazine Transport and Degradation in a Pristine
Watershed: The Fate of Atrazine Deposited by Precipitation [Abstract Only]
by Aron E. Cromwell and E. Michael Thurman
- Annual Use and Transport of Agricultural Chemicals
in the Mississippi River, 1991-92 [Abstract Only] by William A. Battaglin,
Donald A. Goolsby, and Richard H. Coupe
- Relation of Nitrate Concentrations in Surface
Water to Land Use in the Upper-Midwestern United States, 1989-90 [Abstract
Only] by David K. Mueller, Barbara C. Ruddy, and William A. Battaglin
- Reconnaissance Data for Selected Herbicides
and Two Atrazine Metabolites in Surface Water of the Midwestern United States:
Chemical Analysis by Immunoassay and Gas Chromatography/Mass Spectrometry
[Abstract Only] by Elisabeth A. Scribner, E. Michael Thurman, and Donald A.
Goolsby
- Chemistry, Degradation, and Transport of Triazine
Herbicide Metabolites in Surface Water [Abstract Only] by E.M. Thurman,
M.S. Mills, and M.T. Meyer
- The Transport and Degradation of Cyanazine Metabolites
in Surface Water of the Midwestern United States [Abstract Only] by M.T.
Meyer and E.M. Thurman
- Transport and Concentrations of Selected Herbicides
and Nitrate in the Sangamon River, Illinois, April 1991 - March 1992 [Abstract
Only] by G.P. Johnson and R.H. Coupe
- Temporal Distributions of Herbicide and Nitrite-Nitrate
Concentrations and Loads in the West Fork of the Big Blue River, Nebraska,
1990 and 1991-92 [Abstract Only] by A.D. Druliner, D.A. Goolsby,
and M. Meyer
- Persistence of Herbicides in Selected Reservoirs
in the Midwestern United States: Some Preliminary Results [Abstract Only]
by Donald A. Goolsby, William A. Battaglin, James D. Fallon, Diana S. Aga,
Dana W. Kolpin, and E. Michael Thurman
- Determining the Relative Age, Transport,and
Three-Dimensional Distribution of Atrazine in a Reservoir Using Immunoassay
[Abstract Only] by James D. Fallon and E.M. Thurman
- Pesticides in Near-Surface Aquifers: Results
of the Midcontinental United States Ground-Water Reconnaissance, 1991-92
[Abstract Only] by Dana W. Kolpin, Donald A. Goolsby, Diana S. Aga, Jana L.
Iverson, and E. Michael Thurman
- Predicting Nitrate-Nitrogen and Atrazine Contamination
in the High Plains Aquifer in Nebraska [Abstract Only] by A.D. Druliner
and T.S. McGrath
- Comparison of Simulated and Observed Movement
of Bank-Storage Water Adjacent to the Cedar River, Iowa [Abstract Only]
by Paul J. Squillace and David W. Pollock
- Fate of Alachlor, Atrazine, and Bromide in
a Corn Plot near Topeka, Kansas [Abstract Only] by D.A. Eckhardt, R.J.
Wagenet, E.M. Thurman, and P.L. Barnes
- Effects of Farming Systems on Ground-Water
Quality at the Princeton, Minnesota, Management Systems Evaluation Area, 1991
[Abstract Only] by Matthew K. Landon, Geoffrey N. Delin, John A. Lamb, Robert
H. Dowdy, and James L. Anderson
- Effects of Topography on the Transport
of Agricultural Chemicals near Princeton, Minnesota, 1992 [Abstract Only]
by Geoffrey N. Delin and Matthew K. Landon
- Spatial Variability of Unsaturated-Zone Properties
in Relation to Topography in a Sand-Plain Setting near Princeton, Minnesota
[Abstract Only] by G.N. Delin, M.K. Landon, R.W. Healy, and H.W. Olsen
- Nitrogen Uptake and Soil Water Variability Across
a Sand Plain Landscape [Abstract Only] by J.A. Lamb, M.D. Tomer, J.L.
Anderson, and R.H. Dowdy
- Geophysical Investigations of Heterogeneity
and Scale at the Princeton, Minnesota, ManagementSystems Evaluation Area
[Abstract Only] by Jeffrey E. Lucius and Gary R. Olhoeft
- Geochemistry of Nitrogen in a Farmed Watershed
Near Princeton, Minnesota [Abstract Only] by Richard B. Wanty, Michele
L. Tuttle, Matthew K. Landon, Geoffrey N. Delin, and J.K. Böhlke
- Chemical Loads of Nitrate, Atrazine, and
Metolachlor in Walnut Creek Watershed near Ames, Iowa, 1991-92 [Abstract
Only] by P.J. Soenksen, J.L. Hatfield, and D.J. Schmitz
- Atrazine Transport Through Preferential Pathways
at the Missouri MSEA [Abstract Only] by James A. Tindall and William K.
Vencill
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