Now showing items 1-20 of 101

    • Optimal Real-time Activated Sludge Regulation 

      Kabouris, John C.; Georgakakos, Aristidis Peter (Georgia Institute of TechnologyInstitute of Natural Resources, 1991)
      An application of optimal control techniques in regulating a conventional activated sludge process (Figure 1) is presented. In this process, organics in the influent wastewater (substrate) serve as energy source for the ...
    • Erosion Studies in Burned Forest Sites of Georgia 

      Shahlaee, A. K.; Nutter, W. L.; Morris, Lawrence A.; Robichaud, P. R. (Georgia Institute of TechnologyInstitute of Natural Resources, 1991)
      Soil erosion from disturbed forestlands is of great concern to forest managers, soil scientists and hydrologists. The problem arises not only from detrimental effects of erosion on soil productivity but also by the adverse ...
    • Water Management on the Chattahoochee-Oconee National Forests 

      Henderson, Kenneth; Brock, Kirby; Ellis, Ray; Rightmeyer, Dick; Hansen, William (Georgia Institute of TechnologyInstitute of Natural Resources, 1991)
      Water resource management on National Forest land in Georgia plays a vital role in assuring an adequate supply and quality of water for future generations. To increase public awareness of the U.S. Forest Service mission ...
    • The Trophic Status of Lake Sidney Lanier 

      Mayhew, Edmond A.; Mayhew, Mary C. (Georgia Institute of TechnologyInstitute of Natural Resources, 1991)
      Lake Sidney Lanier, located in northeastern Georgia, is a large reservoir in a watershed that is agricultural with urban and considerable suburban residential areas. Lake Lanier provides the drinking water for 60 percent ...
    • Reed Creek Watershed and Fishery Improvement Project 

      Hansen, William; Rightmeyer, Dick; Kidd, Jim; Seehorn, Monte (Georgia Institute of TechnologyInstitute of Natural Resources, 1991)
    • Wetlands Mapping in Georgia Using LANDSAT Imagery 

      Canalos, Christopher G.; Ambrose, Jonathan P.; Robinson, Robert R. (Georgia Institute of TechnologyInstitute of Natural Resources, 1991)
      The Comprehensive Planning Act of 1989 provided for the development of a landcover database to be used in planning at state, regional, and local levels. The Georgia Department of Natural Resources (DNR) is currently ...
    • Groundwater Supply Assessment and Section 404 Permitting for Water Supply Reservoirs 

      Renner, James R.; Crawford, Thomas J. (Georgia Institute of TechnologyInstitute of Natural Resources, 1991)
      Upon review of permit applications submitted to the Savannah District of the U.S. Anny Corps of Engineers for construction of water supply reservoirs, it appears that groundwater supply has been assessed inadequately. The ...
    • Lignin-Derived Organic Matter in Georgia Coastal Waters 

      Moran, Mary Ann; Pomeroy, Lawrence R.; Sheppard, Edward S.; Atkinson, Larry P.; Hodson, Robert E. (Georgia Institute of TechnologyInstitute of Natural Resources, 1991)
      The importance of riverine- and saltmarsh-derived organic matter to the food web of Georgia coastal waters has been a focus of ecological research over the past thirty years. Studies based on energy budgets, carbon flux ...
    • Field Testing Pesticide Transport Models at a Cooperative Test Site Near Plains, Georgia 

      Smith, Charles N.; Brown, David S.; Parrish, Rudolph S.; Asmussen, Loris E.; Leonard, Ralph A.; Hicks, D. Woodrow; Payne, William R.; Fletcher, R. Shaw (Georgia Institute of TechnologyInstitute of Natural Resources, 1991)
      Leaching of pesticides is a potential problem in the major agricultural production areas of southern Georgia where sandy soils are predominant. Compounds used on crops such as peanuts, corn, and soybeans are of particular ...
    • Aquatic Plant Management in Georgia Power Company Reservoirs 

      Broadwell, Thomas L. (Georgia Institute of TechnologyInstitute of Natural Resources, 1991)
      Georgia Power Company (GPC) operates 14 reservoirs covering 57,905 acres. Six reservoirs are located in the Mountains, seven are in the Piedmont, and one is in the Coastal Plain. This presentation will summarize the aquatic ...
    • Leachate Tests for Solidified Hazardous Wastes 

      Blythe, Leslie J.; Arniella, Elio F. (Georgia Institute of TechnologyInstitute of Natural Resources, 1991)
      Different criteria have been used to evaluate the effectiveness of solidified hazardous wastes. From a regulatory compliance perspective, leachate testing has been most frequently required to determine the adequacy of site ...
    • Factors Related to Trophic Upsurge of West Point Lake 

      Bayne, David R. (Georgia Institute of TechnologyInstitute of Natural Resources, 1991)
      West Point Lake, a 10,467 ha impoundment on the Chattahoochee River near West Point, Georgia, first reached full pool in June 1975. Both pre and post impoundment studies warned of the potential for accelerated eutrophication ...
    • Migration of Petroleum from a Tank Farm into a Fractured Bedrock Aquifer in the Piedmont of Georgia 

      Bailey, W. Mark (Georgia Institute of TechnologyInstitute of Natural Resources, 1991)
      An understanding of migration pathways utilized by liquid petroleum fuel as it travels from the near surface into the underlying bedrock can aid the investigator in assessing the relative risk of contaminant spread into ...
    • Changes in the Sport Fishery and Fish Population of West Point Lake, Since Impoundment 

      Ager, Leslie M. (Georgia Institute of TechnologyInstitute of Natural Resources, 1991)
      The early years of West Point Reservoir were marked by a rapidly expanding fish population and heavy use and harvest by anglers. During the late 1970's and early 1980's, the sport fishing harvest was dominated by black ...
    • West Point Lake Predictive Chlorophylla Modeling Report 

      Greenfield, James M. (Georgia Institute of TechnologyInstitute of Natural Resources, 1991)
      The Environmental Protection Agency (EPA), in 1986, initiated a water quality assessment of West Point Lake on the Chattahoochee River near LaGrange, Georgia. The EPA Region IV Environmental Services Division (ESD) evaluated ...
    • Book Cover and Front Material 

      Hatcher, Kathryn J. (Georgia Institute of TechnologyInstitute of Natural Resources, 1991)
    • Evaluation and Control of the Long-Term Water Balance on an Urban Development Site 

      Ferguson, Bruce K.; Ellington, M. Morgan; Gonnsen, P. Rexford (Georgia Institute of TechnologyInstitute of Natural Resources, 1991)
      The long-term water balance is promising but previously unused technique for evaluating and controlling the hydrologic effects of urban development. The water balance is a summary of all the inflows and outflows, over a ...
    • Nutrient Contributions of a Coastal Plain Stream to Lake Blackshear 

      Cofer, Harland E., Jr.; Tietjen, William L.; Wysochansky, William J. (Georgia Institute of TechnologyInstitute of Natural Resources, 1991)
      Lake Blackshear is a hydro-electric impoundment located on the Flint River and is owned by the Crisp County Power Commission. The lake was created in 1930. It has a surface area of 34.5 km^2 and a mean depth of 5.4 m. It ...
    • Comparison of Infiltration and Detention in the Georgia Piedmont Using Recent Hydrologic Models 

      Ellington, M. Morgan; Ferguson, Bruce K. (Georgia Institute of TechnologyInstitute of Natural Resources, 1991)
      Infiltration is a possible alternative to detention for control of urban stormwater. Infiltration is capable of controlling peak flows as is detention, but also promises the advantages of flow volume control, base flow ...
    • Use of Organic N-Halamines as Water Disinfectants 

      Elder, Elisabeth D.; Ward, Alisha; Scott, Jesse (Georgia Institute of TechnologyInstitute of Natural Resources, 1991)
      Purpose. For many years potable water has been disinfected primarily through chlorination. A resulting problem has been the production of toxic trihalomethanes through reactions of free chlorine with organic impurities ...