William W. Simpkins - Concepedia

Author

William W. Simpkins

Also Known As

Alan R. Dutton, Bureau of Economic Geology, K.A. McGillis, Michael K. Anderson, Simpkins, William W., Thomas Gustavson, W Simpkins, W. W. Simpkins, W.W. Simpkins, William W. Simpkins

Publications

1.4K

Citations

H-Index

Concepts

All Affiliations

Iowa State University West Chester University Weatherford College Versar (United States)

About

William W. Simpkins is an author at Iowa State University specializing in engineering, hydrogeology, and earth science.

Top Concepts

#	Concept	H-Index	Publications	Citations
1	Engineering	12	13	960
2	Environmental Engineering	4	4	241
3	Civil Engineering	3	3	246
4	Geography	3	3	141
5	Social Sciences	1	1	198

William W. Simpkins

Publications

1.2K

Citations

H-Index

Page 1

	Year	Citations
Design and placement of a multi-species riparian buffer strip system Richard C. Schultz, J. P. Collettil, Thomas M. Isenhart, Agroforestry Systems Ecological EngineeringEngineeringCivil EngineeringNatural Resource ManagementConservation Biology	1995	221
Riparian forest buffers in agroecosystems – lessons learned from the Bear Creek Watershed, central Iowa, USA Richard C. Schultz, Thomas M. Isenhart, William W. Simpkins, Agroforestry Systems Riparian Forest BuffersEngineeringForest HydrologyWatershed ManagementLand Use	2004	198
Water Quality in Walnut Creek Watershed: Nitrate‐Nitrogen in Soils, Subsurface Drainage Water, and Shallow Groundwater C. A. Cambardella, T. B. Moorman, Dan B. Jaynes, Journal of Environmental Quality Groundwater QualityEngineeringLand DegradationFertilizer NWatershed Management	1999	192
Isotopic composition of precipitation in central Iowa William W. Simpkins Journal of Hydrology ClimatologyMeteorologyHydrometeorologyEngineeringCentral Iowa	1995	78
Hydrogeology and redox geochemistry of CH<sub>4</sub>in a Late Wisconsinan Till and Loess Sequence in central Iowa William W. Simpkins, Timothy B. Parkin Water Resources Research	1993	69
Groundwater flow, velocity, and age in a thick, fine-grained till unit in southeastern Wisconsin William W. Simpkins, Kenneth R. Bradbury Journal of Hydrology Southeastern WisconsinHydrogeologySurface RunoffEngineeringGeography	1992	63
Geology, Groundwater Flow, and Water Quality in the Walnut Creek Watershed J. M. Eidem, William W. Simpkins, Michael R. Burkart Journal of Environmental Quality Groundwater QualityEngineeringGeomorphologySedimentary GeologyEarth Science	1999	62
OCCURRENCE OF TOTAL DISSOLVED PHOSPHORUS IN UNCONSOLIDATED AQUIFERS AND AQUITARDS IN IOWA<sup>1</sup> Michael R. Burkart, William W. Simpkins, Amy J. Morrow, JAWRA Journal of the American Water Resources Association Groundwater QualityHydrogeologyEutrophicationEngineeringClear Lake	2004	44
Hydrogeological constraints on riparian buffers for reduction of diffuse pollution: examples from the Bear Creek watershed in Iowa, USA William W. Simpkins, Timothy Ryan Wineland, R.J. Andress, Water Science & Technology	2002	43
Fracture‐Controlled Nitrate and Atrazine Transport in Four Iowa Till Units Martin F. Helmke, William W. Simpkins, Robert Horton Journal of Environmental Quality	2005	33

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