Mission:
To develop knowledge and technology for sound management of water, plants and soil in semiarid regions
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The SWRC operates the Walnut Gulch Experimental Watershed in southeastern Arizona as an outdoor laboratory for studying semiarid rangeland hydrologic, ecosystem, climate, and erosion processes. Access our data using our DAP web application.
The Walnut Gulch Experimental Watershed is part of the Long-term Agroecosystem Research Network
Recent Publications
• Comparative analysis of water budgets across the U.S. Long-Term Agroecosystem Research network
• Ecosystem carbon and water cycling from a sky island montane forest.
• Improving snow water equivalent maps with machine learning of snow survey and LiDAR measurements.
• A daily spatially explicit stochastic rainfall generator for a semi-arid climate.
• Critical zone water balance over thirteen years in a semiarid savanna.
• Estimating forage utilization with drone-based photogrammetric point clouds.
