Articles | Volume 20, issue 6
https://doi.org/10.5194/hess-20-2295-2016
https://doi.org/10.5194/hess-20-2295-2016
Research article
 | 
15 Jun 2016
Research article |  | 15 Jun 2016

Contrasting watershed-scale trends in runoff and sediment yield complicate rangeland water resources planning

Matthew D. Berg, Franco Marcantonio, Mead A. Allison, Jason McAlister, Bradford P. Wilcox, and William E. Fox

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Subject: Water Resources Management | Techniques and Approaches: Instruments and observation techniques
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Cited articles

Afinowicz, J. D., Munster, C. L., and Wilcox, B. P.: Modeling effects of brush management on the rangeland water budget: Edwards Plateau, Texas, J. Am. Water Resour. Assoc., 41, 181–193, https://doi.org/10.1111/j.1752-1688.2005.tb03727.x, 2005.
Allen, C. D. and Breshears, D. D.: Drought-induced shift of a forest-woodland ecotone: Rapid landscape response to climate variation, P. Natl. Acad. Sci. USA, 95, 14839–14842, https://doi.org/10.1073/pnas.95.25.14839, 1998.
Allen, P. M., Harmel, R. D., Dunbar, J. A., and Arnold, J. G.: Upland contribution of sediment and runoff during extreme drought: A study of the 1947–1956 drought in the Blackland Prairie, Texas, J. Hydrol., 407, 1–11, https://doi.org/10.1016/j.jhydrol.2011.04.039, 2011.
Allison, J. E.: Soil Survey of Lampasas County, Texas, US Department of Agriculture Soil Conservation Service, Washington, D.C., 1991.
Andreadis, K. M. and Lettenmaier, D. P.: Trends in 20th century drought over the continental United States, Geophys. Res. Lett., 33, L10403, https://doi.org/10.1029/2006gl025711, 2006.
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Short summary
Rangelands, from grasslands to woodlands, cover much of the earth. These areas face great pressure to meet growing water needs. Data on large-scale dynamics that drive water planning remain rare. Our watershed-scale results challenge simplistic hydrological assumptions. Streamflow was resilient to dramatic landscape changes. These changes did shape sediment yield, affecting water storage. Understanding these processes is vital to projections of rangeland water resources in a changing world.