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Water management in the middle portion of the Rio Grande Basin (between Elephant Butte Reservoir in New Mexico and Presidio, Texas) is challenging because water demand has continued to increase over time despite limited river water and dropping groundwater levels. While urban and agricultural users can cope with frequent droughts by using a combination of river water and pumping groundwater, little to no water reaches living river ecosystems in this region. Improving this situation requires a good understanding of river water and groundwater availability, now and in the future, as well as advantages and disadvantages of water management options to sustain these ecosystems. In particular, there is a need to determine...
Categories: Project;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: 2019,
CASC,
Completed,
Data Visualization & Tools,
Data Visualization & Tools,
The main source of surface water for irrigation in the study area is the Rio Grande River. The upstream reservoirs, Elephant Butte and Caballo, are used to regulate river flow into the study area. In order to estimate the future surface water availability, we developed a model and routed the reservoir inflow projections at the USGS San Marcial through the reservoir system. The data are available in csv worksheet as open source for free public use.
Categories: Data;
Tags: Caballo Reservoir,
Elephant Butte Reservoir,
Irrigation water resources,
Reservoir routing,
Rio Bravo,
Groundwater resources are important for irrigated agricultural activities in the region. Farmers use groundwater to compensate for insufficient surface water availability. The data are stored in a csv file titled 'Monthly Groundwater Projections' (groundwater_availability_projections.csv). The columns represent monthly groundwater pumping rates (m3/day) while the rows represent months and dates. The data are open source and available for free public use.
Categories: Data;
Tags: Fresh Groundwater,
Groundwater Resources,
Irrigation Water Resources,
Rio Bravo,
Rio Grande,
The Soil and Water Assessment Tool (SWAT; Arnold et al., 1998) was used in this study to simulate the impacts of climate change, land and water conservation practices, and developing riparian forests on the water budget across the watershed. We used the SWAT 10.2 version in the ARCGIS 10.2 environment. The model has 10 sub-basins and 6661 hydrological response units (HRUs) with similar land use, soil type, and topography (slope). We used the completely calibrated and validated SWAT model of the study area developed by Samimi et al. (2022 & 2023), using a USGS 10 m × 10 m DEM (Digital Elevation Model), Land use information of 2008 (near normal year) to represent the average historical crop pattern (Crop Data Layer,...
The Edwards Aquifer in south-central Texas provides water resources to more than 2 million people and is home to eight federally listed threatened and endangered species that are dependent on spring flow from the aquifer for survival. Recent results from global climate models indicate that over the next several decades increases in annual average temperatures and evapotranspiration are likely in this semi-arid region. Decision makers and water resource planners need to have a robust scientific understanding of the impacts of future climate conditions on the Edwards Aquifer system to assess future management strategies needed to maintain water availability and ensure adequate spring flow for protected species....
Categories: Project;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: 2021,
CASC,
Data Visualization & Tools,
Data Visualization & Tools,
Drought,
The Rio Grande/Bravo is an arid river basin shared by the United States and Mexico, the fifth-longest river in North America, and home to more than 10.4 million people. By crossing landscapes and political boundaries, the Rio Grande/Bravo brings together cultures, societies, ecosystems, and economies, thereby forming a complex social-ecological system. The Rio Grande/Bravo supplies water for the human activities that take place within its territory. While there have been efforts to implement environmental flows (flows necessary to sustain riparian and aquatic ecosystems and human activities), a systematic and whole-basin analysis of these efforts that conceptualizes the Rio Grande/Bravo as a single, complex social-ecological...
Categories: Publication;
Types: Citation
A fully calibrated and validated SWAT model was used to provide watershed simulation results including irrigation water availability, crop evapotranspiration, outflow, and other components of the water budget such as groundwater recharge under different climate conditions (Dry (access1_0 rcp85) and Wet (fio_esm rcp45); Samimi et al., 2022), and selected environmental water allocation scenarios. The results are presented in the annual time interface for each Hydrologic Response Unit (HRU) in the watershed. We later aggregated these data to determine the values of each related component across the watershed. The data are available as open source to the public.
Categories: Data;
Tags: Irrigation water availability,
Rio Bravo,
Rio Grande,
Soil and Water Analysis Tool (SWAT),
Water budget components,
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