Articles | Volume 24, issue 11
https://doi.org/10.5194/hess-24-5317-2020
https://doi.org/10.5194/hess-24-5317-2020
Technical note
 | 
14 Nov 2020
Technical note |  | 14 Nov 2020

Technical note: Precipitation-phase partitioning at landscape scales to regional scales

Elissa Lynn, Aaron Cuthbertson, Minxue He, Jordi P. Vasquez, Michael L. Anderson, Peter Coombe, John T. Abatzoglou, and Benjamin J. Hatchett

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Cited articles

Abatzoglou, J. T.: Influence of the PNA on declining mountain snowpack in the Western United States, Int. J. Climatol., 31, 1135–1142, https://doi.org/10.1002/joc.2137, 2011. 
Abatzoglou, J. T. and Ficklin, D. L.: Climatic and physiographic controls of spatial variability in surface water balance over the contiguous United States using the Budyko relationship, Water Resour. Res., 53, 7630– 7643, https://doi.org/10.1002/2017WR020843, 2017. 
Abatzoglou, J. T., Dobrowski, S. Z., Parks, S. A., and Hegewisch, K. C.: TerraClimate, a high-resolution global dataset of monthly climate and climatic water balance from 1958–2015, Sci. Data, 5, 170191, https://doi.org/10.1038/sdata.2017.191, 2018. 
Bales, R. C., Molotch, N. P., Painter, T. H., Dettinger, M. D., Rice, R., and Dozier, J.: Mountain hydrology of the western United States, Water Resour. Res., 42, W08432, https://doi.org/10.1029/2005WR004387, 2006. 
Berg, N. and Hall, A.: Anthropogenic warming impacts on California snowpack during drought, Geophys. Res. Lett., 44, 2511–2518, https://doi.org/10.1002/2016GL072104, 2017. 
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Short summary
Precipitation partitioning across western US landscapes (1948–present) is estimated by combining gridded precipitation data with freezing level and precipitation data from an atmospheric reanalysis. Spatial patterns and trends in the precipitation phase over elevational and latitudinal gradients are examined. The largest increases in precipitation falling as rain occur during spring. This technique can be used as a diagnostic indicator to inform adaptive water management strategy development.
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