Now showing items 1-20 of 197

    • Mapping Irrigated Lands in the ACF River Basin 

      Litts, Thomas; Russell, Heather; Thomas, Adrian; Welch, Roy (Georgia Institute of TechnologyInstitute of Ecology, 2001-03)
      In Georgia, a critical component of the water demand equation is the consumptive use of water for agricultural irrigation. The University of Georgia, Center for Remote Sensing and Mapping Science (UGA-CRMS), in cooperation ...
    • Using a Small Sub-sample to Project State-wide Agricultural Irrigation Water Use in 2000 

      Houser, James B.; Hoogenboom, Gerrit; Hook, James E.; Thomas, Daniel L.; Harrison, Kerry A. (Georgia Institute of TechnologyInstitute of Ecology, 2001-03)
      The Agricultural Water: Potential Use and Management Program in Georgia program (Ag. Water Pumping) began instrumenting and collecting agricultural water use data in 1999. As of October 2000, at least 407 permitted ...
    • An Innovative Method for Restoring Forested Wetlands 

      Bach, Steven B.; Ashmore, Laurie E.; Bongarten, Bruce C.; Harrington, Timothy B.; Morris, Lawrence A.; Maddox, John; Valetti, LeighAnn (Georgia Institute of TechnologyInstitute of Ecology, 2001-03)
      This paper presents an innovative method for restoring mast-producing forested wetlands at a 3.84 acre wetland mitigation site located next to the Rockdale County Quigg wastewater Treatment Plant site north of Conyers, ...
    • Watershed Assessments for Georgia Counties and Municipalities 

      Smith, Matt C.; Gattie, David K.; Byne, F. Wes; Smith, Hillary M. (Georgia Institute of TechnologyInstitute of Ecology, 2001-03)
      The hydro-ecological connectivity of stream networks undergoing land-use changes is motivation for combining watershed and water quality modeling with biological assessment techniques. Watershed characterization ...
    • Invertebrate Communities of Twenty Ditched Carolina Bay Wetlands Scheduled for Restoration 

      Dietz, Susan E.; Batzer, Darold P.; Taylor, Barbara E.; DeBiase, Adrienne E. (Georgia Institute of TechnologyInstitute of Ecology, 2001-03)
      In February 1998, we began collecting invertebrates in 20 ditched Carolina bays and bay-like wetlands near Aiken, South Carolina. In the winter of 2001, these 20 wetlands will have their ditches plugged in an attempt ...
    • Evaluating Transport of Cryptosporidium Oocysts Through Soils Using Polystyrene Microsphere Surrogates 

      Endale, Dinku M.; Young, M. H.; Pennell, K. D.; Fisher, Dwight S.; Steiner, Jean L.; Amirtharajah, Appiah (Georgia Institute of TechnologyInstitute of Ecology, 2001-03)
      Cryptosporidium parvum causes gastroenteritis in humans and is now recognized as an emerging pathogen. The inactive form, known as an oocyst, is excreted in the feces of infected animals and humans into the environment. ...
    • Status of Agricultural Water Pumping: A Program to Determine Agricultural Water Use in Georgia 

      Thomas, Daniel L.; Harrison, Kerry A.; Hook, James E.; Hoogenboom, Gerrit; McClendon, R. W.; Wheeler, L.; Segars, William I.; Mallard, J.; Murphy, G.; Lindsay, M.; Coker, D. D.; Whitley, T.; Houser, James B.; Cromer, S.; Myers-Roche, C. (Georgia Institute of TechnologyInstitute of Ecology, 2001-03)
      This paper presents the current status of a combined monitoring and modeling program to estimate agricultural water use across the entire state of Georgia. This program is called AG. WATER PUMPING (Agricultural ...
    • GIS Modeling of Ground-water Contamination at the Savannah River Site 

      Mathes, Silas; Rasmussen, Todd C.; Reed, John (Georgia Institute of TechnologyInstitute of Ecology, 2001-03)
      Numerical simulation models are routinely used to predict the fate and transport of ground-water contaminants. These models rely on estimates of aquifer hydraulic properties instead of historical information because ...
    • Stream Channel Post-restoration Monitoring of the Soque River, Georgia 

      Able, Tony; Baer, Katherine E.; Flexner, Morris; Pruitt, Bruce A.; Derby, Jennifer S.; Kalla, Peter I. (Georgia Institute of TechnologyInstitute of Ecology, 2001-03)
      Reconstruction and stabilization were conducted on a 1250-foot reach of the Left Fork Soque River near Batesville, GA in October 1998. Two years after restoration, stream channel recovery measurements were collected ...
    • Watershed Management for Lake Lanier: Perspectives on Inter-governmental Implementation 

      Baughman, Douglas S.; Horton, Mary E.; Merritt, Tim; Rivers, Robert R. (Georgia Institute of TechnologyInstitute of Ecology, 2001-03)
      In March 2000, the City of Gainesville and Hall County, in cooperation with Forsyth County, completed the Community Watershed Assessment. The project outlined recommendations for improving or maintaining the water ...
    • Multisensor Precipitation Estimates Produced by National Weather Service River Forecast Centers for Hydrologic Applications 

      Breidenbach, Jay P.; Bradberry, Judith Stokes (Georgia Institute of TechnologyInstitute of Ecology, 2001-03)
      The National Weather Service (NWS) produces radar-derived estimates of rainfall using data collected in real time from its network of doppler weather radars. These estimates, along with observations from automated rain ...
    • Savannah River Basin Comprehensive Water Resources Management Study 

      Crosby, Leroy G.; Caldwell, Napolean; Badr, Bud (Georgia Institute of TechnologyInstitute of Ecology, 2001-03)
      A comprehensive water resources management study has been authorized by the 1996 Water Resources Development Act (WRDA) directing the U.S. Army Corps of Engineers to develop an updated plan addressing current and ...
    • Radionuclides in Sediment at Nuclear Facilities in Georgia 

      Rosson, Robert; Lahr, Jeff; Garcia, Ramon; Blackman, Clifford; Bernd, Kahn (Georgia Institute of TechnologyInstitute of Ecology, 2001-03)
      As part of its environmental radiological surveillance program, the Georgia Department of Natural Resources monitors man-made radionuclides in sediment below the outfalls of nuclear facilities. Sediment acts as a ...
    • Trace Metal Variation in Atlanta Region Streamflow and Street Runoff 

      Rose, Seth; Sheheen, Danielle; Crean, Melinda; Ghazi, A. Mohamad (Georgia Institute of TechnologyInstitute of Ecology, 2001-03)
      Trace metal (Zn, V, Cr, Co, Ni, and Pb) and major ion concentrations were measured at 15 stream and three urban/suburban street locations within the Atlanta metropolitan region (AMR) and surrounding region. The primary ...
    • Effects of Changing Land Use on Macroinvertebrate Integrity: Identifying Indicators of Water Quality Impairment 

      Roy, Allison; Rosemond, Amy D.; Leigh, David S.; Paul, Michael J.; Wallace, J. Bruce (Georgia Institute of TechnologyInstitute of Ecology, 2001-03)
      We sampled macroinvertebrates in 30 streams (11-126 krn2 watersheds) within the Piedmont of the Etowah River basin in northern Georgia to examine the relationships between urban land use, physical and chemical characteristics ...
    • Planning Approach for the Chattahoochee River National Recreation Area General Management Plan/EIS 

      Getty, Alyse; Cheri, Kevin; Carroll, William; Konig, Bill; Libman, David; Elk, David; Bach, Steven B.; Johns, Kevin (Georgia Institute of TechnologyInstitute of Ecology, 2001-03)
      The Chattahoochee River National Recreation Area is preparing a General Management Plan/Environmental Impact Statement for the park. The CRNRA, established in 1978, was established to preserve and protect the natural, ...
    • The Effect of Water Use Regulations on Net Returns and Marginal User Costs 

      Norton, Nancy A.; Norton, Virgil; Clark, Richard T.; Schneekloth, Joel P. (Georgia Institute of TechnologyInstitute of Ecology, 2001-03)
      A non-linear constrained net-revenue model was used to estimate the effects of groundwater regulations that allow for accumulation and marketing of unused annual irrigation allocations. The research shows that such ...
    • Ribotyping to Determine the Source of Fecal Coliform Contamination in Three Household Wells Near Cochran, Georgia 

      Hill, Jennifer L.; Hartel, Peter G.; Segars, William I.; Bush, Parshall B. (Georgia Institute of TechnologyInstitute of Ecology, 2001-03)
      The Bleckley County Health Department reported that three households near Cochran, Georgia tested positive for fecal coliforms in their wells. Fecal coliforms are bacteria that are a measure of fecal contamination and ...
    • Stream Loss and Fragmentation Due to Impoundments in the Upper Oconee Watershed 

      Merrill, Michael D.; Freeman, Mary C.; Freeman, Byron J.; Kramer, Elizabeth A.; Hartle, Lee M. (Georgia Institute of TechnologyInstitute of Ecology, 2001-03)
      Loss of natural stream habitat and stream network fragmentation are two major ecological impacts of dams and their impoundments. We use geographic information system (GIS) analyses of the stream network and impoundments ...
    • Ecological Considerations for Reservoir Planning in North Georgia 

      Freeman, Mary C.; Merrill, Michael D.; Freeman, Byron J. (Georgia Institute of TechnologyInstitute of Ecology, 2001-03)
      Plans to construct new reservoirs, primarily for municipal water supply, are multiplying as our population struggles to keep up with increasing water demands. Ecological impacts of new reservoirs in north Georgia potentially ...