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Earth System Science Data The Data Publishing Journal
https://doi.org/10.5194/essd-2017-81
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 4.0 License.
 
28 Aug 2017
Review status
This discussion paper is a preprint. A revision of the manuscript is under review for the journal Earth System Science Data (ESSD).
Rainfall simulation experiments in the Southwestern USA using the Walnut Gulch Rainfall Simulator
Viktor Polyakov1, Jeffry Stone1, Chandra Holifield Collins1, Mark A. Nearing1, Ginger Paige2, Jared Buono3, and Rae-Landa Gomez-Pond4 1Southwest Watershed Research Center, USDA-ARS, Tucson, AZ, USA
2Ecosystem Science and Management, University of Wyoming, Laramie, WY, USA
3Ecohydrologist, Chennai, India
4School of Natural Resources, University of Nebraska, Lincoln, NE, USA
Abstract. The dataset contains hydrological, erosion, vegetation, ground cover, and other supplementary information from 272 rainfall simulation experiments conducted on 23 semi-arid rangeland locations in Arizona and Nevada between 2002 and 2013. On 30 % of the plots simulations were conducted up to five times during the decade of study. The rainfall was generated using the Walnut Gulch Rainfall Simulator on 2 m by 6 m plots. Simulation sites included brush and grassland areas with various degree of disturbance by grazing, wildfire, or brush removal. This dataset advances our understanding of basic hydrological and biological processes that drive soil erosion on arid rangelands. It can be used to quantify runoff, infiltration, and erosion rates on a variety of ecological sites in the Southwestern USA. Inclusion of wildfire and brush treatment locations combined with long term observations makes it important for studying vegetation recovery, ecological transitions, and effect of management. It is also a valuable resource for erosion model parameterization and validation.

The data set available from the National Agricultural Library at https://data.nal.usda.gov/search/type/dataset (https://doi.org/doi:10.15482/USDA.ADC/1358583).


Citation: Polyakov, V., Stone, J., Holifield Collins, C., Nearing, M. A., Paige, G., Buono, J., and Gomez-Pond, R.-L.: Rainfall simulation experiments in the Southwestern USA using the Walnut Gulch Rainfall Simulator, Earth Syst. Sci. Data Discuss., https://doi.org/10.5194/essd-2017-81, in review, 2017.
Viktor Polyakov et al.
Viktor Polyakov et al.

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Rainfall simulation experiments in the Southwestern USA using the Walnut Gulch Rainfall Simulator
J. Stone, V. Polyakov, C. Holifield-Collins, G. Paige, J. Buono, M. Nearing, and R.-L. Gomez-Pond
https://doi.org/10.15482/USDA.ADC/1358583
Viktor Polyakov et al.

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Short summary
This paper presents the results of 272 rainfall simulation experiments conducted at 23 semi-arid locations in Arizona and Nevada over a 10 year period. The scope of this data set combined with state of the art rainfall simulation equipment makes it particularly valuable to advance our understanding of basic hydrological and biological processes that drive soil erosion on arid rangelands.
This paper presents the results of 272 rainfall simulation experiments conducted at 23 semi-arid...
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