GIS-based watershed rankings for nonpoint pollution in Pennsylvania

J. M. Hamlett, G. W. Petersen, G. M. Baumer, Douglas Alan Miller, Rick Lane Day

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Despite the widespread use of GIS over the past ten years, it has had limited application for statewide modeling of pollutant loadings such as sediment, nitrogen, and phosphorus. Related literature on possible approaches to statewide modeling is also limited. In this study a GIS-based screening model was used to rank 104 watersheds in Pennsylvania for nonpoint pollution potential. The goals of this project were to: select important processes and parameters of watersheds that contribute to water quality degradation, develop appropriate statewide data, develop a ranking model to use the data and verify the model by comparing results with existing water quality data for specific watersheds. The GIS database consisted of watershed boundaries, land cover, animal density, topography, soils, precipitation and rainfall erosivity. The 104 watersheds were ranked by the Agricultural Pollution Potential Index (APPI) - a ranking model comprised of the following four separate components: the Sediment Production Index (SPI) assesses the potential interrill and rill erosion and sediment delivery from field to stream, the Runoff Index (RI) predicts the watershed's potential to produce surface runoff, the Animal Loading Index (ALI) ranks the potential manure production within a watershed, the Chemical Use Index (CUI) ranks the potential for agricultural pollution production from use of commercial chemical applications to the various agricultural lands. Ranking watersheds in Pennsylvania by their agricultural pollution potential was completed and critical pollution production areas were identified.

Original languageEnglish (US)
Title of host publicationGIS/LIS 1991 Proceedings
PublisherPubl by ASPRS
Pages593-605
Number of pages13
ISBN (Print)0944426751
StatePublished - Dec 1 1991
EventProceedings of GIS/LIS '91 - Atlanta, GA, USA
Duration: Oct 28 1991Nov 1 1991

Publication series

NameGIS/LIS 1991 Proceedings
Volume2

Other

OtherProceedings of GIS/LIS '91
CityAtlanta, GA, USA
Period10/28/9111/1/91

Fingerprint

Watersheds
Geographic information systems
Pollution
Sediments
Runoff
Water quality
Animals
Manures
Precipitation (meteorology)
Topography
Rain
Phosphorus
Erosion
Screening
Nitrogen
Soils
Degradation

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Cite this

Hamlett, J. M., Petersen, G. W., Baumer, G. M., Miller, D. A., & Day, R. L. (1991). GIS-based watershed rankings for nonpoint pollution in Pennsylvania. In GIS/LIS 1991 Proceedings (pp. 593-605). (GIS/LIS 1991 Proceedings; Vol. 2). Publ by ASPRS.
Hamlett, J. M. ; Petersen, G. W. ; Baumer, G. M. ; Miller, Douglas Alan ; Day, Rick Lane. / GIS-based watershed rankings for nonpoint pollution in Pennsylvania. GIS/LIS 1991 Proceedings. Publ by ASPRS, 1991. pp. 593-605 (GIS/LIS 1991 Proceedings).
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Hamlett, JM, Petersen, GW, Baumer, GM, Miller, DA & Day, RL 1991, GIS-based watershed rankings for nonpoint pollution in Pennsylvania. in GIS/LIS 1991 Proceedings. GIS/LIS 1991 Proceedings, vol. 2, Publ by ASPRS, pp. 593-605, Proceedings of GIS/LIS '91, Atlanta, GA, USA, 10/28/91.

GIS-based watershed rankings for nonpoint pollution in Pennsylvania. / Hamlett, J. M.; Petersen, G. W.; Baumer, G. M.; Miller, Douglas Alan; Day, Rick Lane.

GIS/LIS 1991 Proceedings. Publ by ASPRS, 1991. p. 593-605 (GIS/LIS 1991 Proceedings; Vol. 2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Hamlett JM, Petersen GW, Baumer GM, Miller DA, Day RL. GIS-based watershed rankings for nonpoint pollution in Pennsylvania. In GIS/LIS 1991 Proceedings. Publ by ASPRS. 1991. p. 593-605. (GIS/LIS 1991 Proceedings).