AWRA Water Blog

JAWRA Highlights – February 2016


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Tavakoly et al. present a framework for integrating a regional GIS-based nitrogen dataset and a GIS-based river routing model to simulate steady-state riverine total nitrogen (TN) transport in river networks containing thousands of reaches. They applied the approach to examine TN export in urbanized and rural Texas drainage basins.

Barik et al. evaluated a remotely-sensed and two ground-based potential evapotranspiration products for hydrologic application in the Upper Colorado River Basin.

Hill et al. developed an extensive, publically available database of landscape metrics for ~2.65 million streams segments, and their associated catchments, within the conterminous USA. These data greatly reduce the specialized geospatial expertise needed by researchers and managers to acquire landscape information for near stream catchments (i.e., the nearby landscape flowing directly to streams) and full upstream watersheds of specific stream reaches.

Ganguli and Ganguly examined the robustness of a suite of regional climate models (RCMs) in simulating meteorological droughts and associated metrics in present-day climate (1971–2003) over the conterminous United States (US). The RCMs that are part of North American Regional Climate Change Assessment Program (NARCCAP) simulations were compared with multiple observations over the climatologically homogeneous regions of the US.

Pandey et al. developed a sub-model for the Soil and Water Assessment Tool (SWAT) to predict E. coli levels in stream bed sediment and the water column.

Castro et al. performed a sociocultural preference assessment for a suite of ecosystem services provided by the Kiamichi River watershed in the south-central U.S., a region with intense water conflict. The goal was to examine how a social assessment of services could be used to weigh trade-offs among water resource uses for future watershed management and planning.

Asarian and Walker used nonparametric tests to assess long-term (1953–2012) trends in streamflow and precipitation in Northern California and Southern Oregon at a range of regulated (by dams) and unregulated streams.

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