Center for Research in Water Resources
Permanent URI for this communityhttps://hdl.handle.net/10850/537
Browse
Browsing Center for Research in Water Resources by Title
Now showing 1 - 20 of 202
- Results Per Page
- Sort Options
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 Addressing water availability and climate change issues in the Cordillera Blanca, Peru through technical analysis and community building strategies(Center for Research in Water Resources, University of Texas at Austin, 2011-04-14) Read, Laura K.; McKinney, Daene C.Accelerated tropical glacial melt on the order of 15-18 meters per year since the 1980’s in Peru’s Cordillera Blanca region is alarming rural communities and urban authorities, causing them to seek technical support for risk management and adaptation actions. Melting glaciers coupled with changing seasonal rainfall patterns has left many rural communities in the upper Rio Santa basin lacking sufficient fresh water supply to support livestock, irrigation and human consumption. In response to these concerns, a Water Evaluation And Planning (WEAP) model was created by the Stockholm Environmental Institute for simulating glacial melt and flow in the Santa River. Through input parameters of climate, glacial runoff, water use, crop acreage, soil type and groundwater interactions, WEAP has the flexibility to model scenarios for different operation schemes. These schemes allow users to determine the most effective ways to regulate their resources and explore adaptation actions (e.g. altering farming practices and building reservoirs) for future planning. This project improved the existing model by including observed water demand data for irrigation, and evaluating the Climate Forecast System Reanalysis (CFSR) dataset to serve as a potential source for filling gaps in the historic climate record. These improvements added robustness to the model and correlated well with historic stream flow at La Balsa (R2 = 0.78 , Nash = 0.68). Two scenarios were explored where (1) a 50% reduction in potato crop was replaced with maize for each sub-basin, and (2) a 10% reduction in precipitation was applied over the upper basin. Results show that the WEAP model is sensitive to changes in crop type and rainfall at the sub-basin scale, an encouraging finding for future exploration. This investigation enables communities to base future decisions on technical evidence and provides a basis for educating citizens on the importance of evaluating their available resources under climate change projections.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 Analysis of Instream Flows for the Lower Brazos River - Hydrology, Hydraulics, and Fish Habitat Utilization(Surface Water Resources Division, Texas Water Development Board, 2009-11-24T17:26:59Z) Osting, Tim; Mathews, Ray; Austin, BarneyItem Analysis of Instream Flows for the Sulphur River: Hydrology, Hydraulics and Fish Habitat Utilization(Surface Water Resources Division, Texas Water Development Board, 2009-11-24T17:27:12Z) Osting, Tim; Mathews, Ray; Austin, BarneyItem Analysis of Pedernales River and water quality: report to the Lower Colorado River Authority(Center for Research in Water Resources, University of Texas at Austin, 2009-12-08T19:00:00Z) Barrett, Michael E.Item Analysis of Use and Nutrient Data on Selected Reservoirs of the Trinity River Basin(PBS&J, 2008-11-18T15:15:35Z) PBS&J; PBS&JItem 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 An Annotated Checklist of the Freshwater Fishes of Texas, with Keys to Identification of Species, 2nd Edition(Texas Academy of Science, 2009-06-26T17:57:24Z) Hubbs, Clark; Edwards, Robert J.; Garrett, Gary P.Forty-nine families and 268 species of fishes are known to inhabit the freshwaters of Texas. We report on the distribution and status of these fishes and provide a key to their identification. Of the native fishes originally found in Texas, five taxa, Cyprinella lutrensis blairi (Maravillas red shiner), Notropis orca (phantom shiner), N. simus simus (Rio Grande bluntnose shiner), Gambusia amistadensis (Amistad gambusia) and G. georgei (San Marcos gambusia) are apparently extinct, and four, Hybognathus amarus (Rio Grande silvery minnow), Notropis simus pecosensis (Pecos bluntnose shiner), Oncorhynchus clarki virginalis (Rio Grande cutthroat trout) and Gambusia senilis (blotched gambusia) appear to be extirpated from the state. Over 40 percent of the remaining primary freshwater species are of conservation concern and in some need of protection.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 Aral Sea water rights(Center for Research in Water Resources, University of Texas at Austin, 2009-12-08T18:58:49Z) Akmansoy, Sandra; McKinney, Daene C.Item Arc Hydro data model for Ethiopian watersheds(Center for Research in Water Resources, University of Texas at Austin, 2010-02-24T19:21:29Z) Asamenaw, Seyoum Ayele; McKinney, Daene C.Item 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 ArcBASINS: a GIS model for the BASINS database(Center for Research in Water Resources, University of Texas at Austin, 2010-02-05T18:57:10Z) Schneider, Kristina AntoniaItem 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 Attenuation of Wastewater-Derived Contaminants in an Effluent-Dominated River(American Chemical Society, 2008-11-18T15:15:42Z) Fono, L.J.; Sedlak, D.L.; Kolodzeij, E.P.; Fono, L.J.; Kolodzeij, E.P.; Sedlak, D.L.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 Jo