Browsing by Author "Maidment, David R."
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Item Abstract floodplain visualization on TINs(Center for Research in Water Resources, University of Texas at Austin, 2010-01-04T19:17:52Z) Azagra, Esteban; Olivera, Francisco; Maidment, David R.Item An algorithm to delineate coastal watersheds for TMDL development(Center for Research in Water Resources, University of Texas at Austin, 2010-01-15T17:11:05Z) Samuels, Victoria Ann; Maidment, David R.Item An analysis of a methodology for generating watershed parameters using GIS(Center for Research in Water Resources, University of Texas at Austin, 2010-01-13T19:05:50Z) Mason, David; Maidment, David R.Item An analysis of volunteer water quality data(Center for Research in Water Resources, University of Texas at Austin, 2009-12-08T18:59:26Z) Kaough, Charles; Maidment, David R.Item Approaches to continental scale river flow routing(Center for Research in Water Resources, University of Texas at Austin, 2010-01-11T16:24:52Z) Asante, Kwabena O.; Maidment, David R.; Famiglietti, James S.; Olivera, FranciscoItem Arc Hydro Developments for the Lower Colorado River Basin(Center for Research in Water Resources, University of Texas at Austin, 2010-02-22T17:29:40Z) Obenour, Daniel R.; Maidment, David R.Item ArcGIS and HSPF model development(Center for Research in Water Resources, University of Texas at Austin, 2010-02-24T19:22:41Z) Johnson, Nathan William; Maidment, David R.; Katz, Lynn E.Item Assessing the impact of climate change on water resources for the Edwards Aquifer(Center for Research in Water Resources, University of Texas at Austin, 2009-12-08T22:33:31Z) Martinez, Kris Lawrence; Maidment, David R.Item Assessment of hydrologic alteration software(Center for Research in Water Resources, University of Texas at Austin, 2010-03-01T21:56:17Z) Hersh, Eric S.; Maidment, David R.Item Bacterial loadings watershed model in Copano Bay(Center for Research in Water Resources, University of Texas at Austin, 2010-03-01T21:41:25Z) Gibson, Carrie Jo; Maidment, David R.; Kirisits, Mary JoItem Building the foundation for environmental risk assessment at the Marcus Hook Refinery using geographic information systems(Center for Research in Water Resources, University of Texas at Austin, 2010-01-04T18:03:46Z) Romanek, Andrew Paul; Wilson, Lesley Hay; Maidment, David R.Item Developing digital flood insurance rate maps for Lago Vista(Center for Research in Water Resources, University of Texas at Austin, 2010-01-15T17:09:41Z) Donnelly, Kevin Michael; Maidment, David R.Item Developing spatial environmental modeling systems for risk-based decision making(Center for Research in Water Resources, University of Texas at Austin, 2010-01-13T17:45:37Z) Kim, Julie; Wilson, Lesley Hay; Maidment, David R.Item Development and application of unsteady flood models using geographical information systems(Center for Research in Water Resources, University of Texas at Austin, 2010-01-14T16:39:39Z) Snead, Daniel Baldwin; Maidment, David R.Item Development of a GIS database for estimating biogenic hydrocarbon emissions in North Central Texas(Center for Research in Water Resources, University of Texas at Austin, 2009-12-08T19:01:33Z) Strange, Irvin Wade; Allen, David T.; Maidment, David R.Item Dilution attenuation factors in susceptibility assessments: a GIS based method(Center for Research in Water Resources, University of Texas at Austin, 2010-02-15T18:02:17Z) Strassberg, Gil; Maidment, David R.; Katz, Lynn E.Item Flood forecasting for the Buffalo Bayou using CRWR-PrePro and HEC-HMS(Center for Research in Water Resources, University of Texas at Austin, 2010-01-11T16:13:01Z) Ahrens, Seth Robert; Maidment, David R.Item Floodplain mapping using HEC-RAS and ArcView GIS(Center for Research in Water Resources, University of Texas at Austin, 2010-01-04T18:03:15Z) Maidment, David R.; Tate, Eric ChristopherItem Forecasting Water Use in Texas Cities(Texas Water Resources Institute, 1987-08) Maidment, David R.; Shaw, Douglas T.In this research project, a methodology for automating the forecasting of municipal daily water use is developed and implemented in a microcomputer program called WATCAL. An automated forecast system is devised by modifying the previously-developed WATFORE model so that potential seasonal water use is calculated from a Fourier series fitted to seven-day weighted moving average values of daily maximum air temperature. A study is made comparing Kalman filtering and Box-Jenkins time series methods for automated model calibration. Although the Kalman filter method explains more of the time variation of the model parameters, the forecast accuracy of both methods is about the same. Box-Jenkins time series estimation algorithms specially designed for daily water use model parameter calibration, along with graphics and data editing routines, are implemented in WATCAL. A study is also made of the impact of conservation programs implemented in Austin and Corpus Christi, Texas during the dry summers of 1984 and 1985. Mandatory conservation programs reduced water use in Austin about 10% and in Corpus Christi about 30% of peak summer usage. The effects of an undesirable five-day cycle in Austin's water use (caused by a mandatory watering scheme where addresses ending in a specified pair of digits were allowed to water on a given day) were analyzed. An alternative address digit pairing devised as part Of this research eliminated the cycle during the summer Of 1986. A study of monthly and daily water use in five cities in Southern California shows that once water use data are made dimensionless, they follow a generic, weather-dependent pattern that is independent of city size and location within the regionItem Fugitive emissions of VOCs from industrial sewer networks: integration of naUTilus and ArcView(Center for Research in Water Resources, University of Texas at Austin, 2009-12-08T18:57:55Z) How, Cindy Fee Ha; Maidment, David R.; Corsi, Richard L.