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Evaluating High Resolution Data to Support Watershed/Water Quality Modeling

This cooperative effort with the USGS Water Resources Discipline is investigating the effects of data resolution on the outputs of watershed and water quality models. Specifically, we are developing raster databases of elevation, land cover, soils, and precipitation data with 3, 30, 60, 120, 210, 240, 480, 960, and 1920 m cells and extracting parameters for water models. The results of these models will be statistically compared to assess the sensitivity of the models to the effects of data resolution.

Publications and Reports
Title Size Citation Year
GIS in Precision Agriculture and Watershed Management 4.45mb pdf file Usery, E.L, Bosch, D.D., Finn, M.P., Wells, T., Pocknee, S., and Kvien, C. (2009). GIS in precision agriculture and watershed management. Chapter 59 in Manual of GIS, Marguerite Madden, Editor-in Chief. American Society of Photogrammetry and Remote Sensing, Bethesda MD. 2009
Table Rock Lake Water-Clarity Assessment Using Landsat Thematic Mapper Satellite Data 2.3mb pdf file Krizanich, G.W. and Finn, M.P., (2009). Table Rock Lake water-clarity assessment using Landsat thematic mapper satellite data: U.S. Geological Survey Scientific Investigations Report 2009–5162, 9 p 2009
An Assessment of the Effects of Cell Size on AGNPS Modeling of Watershed Runoff 5.5mb pdf file Wu, S., Usery, E. L., Finn, M. P., and Bosch, D. D., (2008). An assessment of the effects of cell size on AGNPS modeling of watershed runoff. Cartography and Geographic Information Science, Vol. 35, No. 4, pp. 265-278 2008
EL68D Wasteway watershed land-cover generation 1.7mb pdf file Ruhl, S., Usery, E.L., and Finn, M.P., (2007). EL68D Wasteway watershed land-cover generation: U.S. Geological Survey Open-File Report 2007–1143, 28 p 2007
Effects of Sampling Interval on Spatial Analysis of Watershed Nitrogen Loading 580k pdf file Wu, S., Usery, E. L., and Finn, M. P., (2007). Effects of sampling interval on spatial analysis of watershed nitrogen loading. Environmental Science and Technology 2007 (1) 69-75 2007
Problems Associated with Comparing In Situ Water Quality Measurements to Pollution Model Output for Geographical Analyses 16k pdf file Finn, M. P., Bosch, D. D., Usery, E. L., and Hartman, A. D., (2006). Problems associated with comparing in situ water quality measurements to pollution model output for geographical analyses (Abstract). Presented at the Association of American Geographer, Annual Conference, 2006, Chicago, IL 2006
Interface between the Agricultural Non-Point Source (AGNPS) Pollution Model and the ERDAS Imagine Geographic Information System (GIS) 288k pdf file Finn, M.P., Usery, E.L., Scheidt, D.J., Jaromack, G.M., and Krupinski, T.D., (2006). Interface between the Agricultural Non-Point Source (AGNPS) Pollution Model and the ERDAS Imagine Geographic Information System (GIS). Geographic Information Sciences, Volume 12, Number 1 (June), pp. 9 - 19. 2006
Geospatial data resampling and resolution effects on watershed modeling: A case study using the agricultural non-point source pollution model 364k pdf file Usery, E.L, Finn, M.P., Scheidt, D.J., Ruhl, S., Beard, T., and Bearden, M., (2004), Geospatial data resampling and resolution effects on watershed modeling: A case study using the agricultural non-point source pollution model, Journal of Geographical Systems, 6, issue 3, p. 289-306 2004
Analysis of Resolution and Resampling on GIS Data Values 41k pdf file Usery, E.L. and Finn, M.P., (2003). Analysis of Resolution and Resampling on GIS Data Values (Abstract). Presented at the ASPRS Annual Conference. May 2003, Anchorage, Alaska. 2003
User's Guide for the Agricultural Non-Point Source (AGNPS) Pollution Model Data Generator 1.2mb pdf file Finn, M.P., Scheidt, D.J., and Jaromack, G.M., (2003), User's Guide for the Agricultural Non-Point Source (AGNPS) Pollution Model Data Generator: U.S. Geological Survey Open-File Report 2003–130, 21 p 2003
AGNPS Watershed Modeling with GIS Databases 580k pdf file Finn, M.P., Usery, E.L., Scheidt, D.J., Beard, T., Ruhl, S., and Bearden, M., (2002). AGNPS Watershed Modeling with GIS Databases (Presentation) Second Federal Interagency Hydrologic Modeling Conference, Jul-Aug 2002, Las Vegas, Nevada 2002
Raster Data Pixels as Modifiable Areal Units 8k Usery, E.L., Raster Data Pixels as Modifiable Areal Units. University of Georgia

Presentations
Title Size Citation Year
Effects of Sampling Interval on Spatial Analysis of Watershed Nitrogen Loading 1.9mb ppt file Wu, D., Usery, E.L., and Finn, M.P., (2007). Effects of Sampling Interval on Spatial Analysis of Watershed Nitrogen Loading. (Presentation) Third International Conference on Environmental Science and Technology, 2007, Houston, Texas. 2007
Problems Associated with Comparing In Situ Water Quality Measurements to Pollution Model Output for Geographic Analyses 1.7mb ppt file Finn, M.P., (2006). Problems Associated with Comparing In Situ Water Quality Measurements to Pollution Model Output for Geographic Analyses. (Presentation) Association of American Geographers Annual Meeting, March 2006, Chicago, Illinois 2006
An Implementation of the Jenks-Caspall Algorithm for Optimal Classification of Data for Geographic Visualization 516k pdf file Finn, M.P., Williams, M.S., and Usery, E.L., (2006). An Implementation of the Jenks-Caspall Algorithm for Optimal Classification of Data for Geographic Visualization. (Presentation) American Society for Photogrammetry and Remote Sensing Annual Conference May, 2006, Reno, Nevada. 2006
Automatic Generation of Parameter Inputs and Visualization of Model Outputs for AGNPS using GIS 1.3mb ppt file Usery, E.L., and Finn, M.P., (2004). Automatic Generation of Parameter Inputs and Visualization of Model Outputs for AGNPS using GIS. (Presentation) USGS DoD Environmental Program Conference, 2004, Biloxi, Mississippi. 2004
Analysis of Resolution and Resampling on GIS Data Values 1.6mb ppt file Usery, E.L., and Finn, M.P., (2003). Analysis of Resolution and Resampling. (Presentation) ASPRS Annual Conference, May, 2003, Anchorage, Alaska 2003
AGNPS Watershed Modeling with GIS Databases 1.04mb ppt file Finn, M.P., Usery, E.L., Scheidt, D.J., Beard, T., Ruhl, S., and Bearden, M., (2002). AGNPS Watershed Modeling with GIS Databases (Presentation) Second Federal Interagency Hydrologic Modeling Conference, Jul-Aug 2002, Las Vegas, Nevada 2002
Raster Data Pixels as Modifiable Areal Units 704k ppt file Usery, E.L., Raster Data Pixels as Modifiable Areal Units (Presentation) University of Georgia

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