The impact of rainfall distribution methods on streamflow throughout multiple elevations in the Rocky Mountains using the APEX model—Price River watershed, Utah

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dc.contributor.otherBlackland Research Center, Texas A&MAgriLife Research, Temple, TX 76502,USA
dc.contributor.otherUnited States Department of the Interior,Bureau of Land Management, NationalOperations Center, Denver Federal Center,Denver, CO 80215, USA
dc.creatorWorqlul, A. W.
dc.creatorJeong, J.
dc.creatorGreen, C. H. M.
dc.creatorAbitew, T. A.
dc.date.accessioned2022-06-17T18:59:17Z
dc.date.available2022-06-17T18:59:17Z
dc.date.issued2021
dc.description.abstractThe hydrology of mountainous watersheds in the western United States is significantly influenced by snow year-round. It is widely known that topography affects precipitation; however, the knowledge of how watershed rainfall designation methods affect streamflow is not well understood for high-relief areas. The objectives of this study were to assess the predictive capability of the Agricultural Policy/Environmental eXtender (APEX) model to simulate streamflow in a snowmelt-dominated watershed with high spatial rainfall variability through (a) allocating weather stations to sub-basins based on a conventional Thiessen polygon method (CM) or a rainfall-elevation–based input (RE) and using an areal average Parameter-Elevation Regression on Independent Slopes Model (PRISM) rainfall designation and (b) improving the snowmelt processes in the Price River watershed, Utah. The updated APEX model with snowmelt parameters significantly improved spring flood simulation. The RE was the most robust method in snowmelt and seasonal streamflow simulations compared with the CM and PRISM rainfall designations. Adapting the APEX model to simulate snow-dominant complex terrains will provide crucial water quantity and quality predictions for reliable environmental and watershed management assessment.en
dc.identifier.citationWorqlul, A. W.; Jeong, J.; Green, C. H. M.; Abitew, T. A. (2021) The impact of rainfall distribution methods on streamflow throughout multiple elevations in the Rocky Mountains using the APEX model—Price River watershed, Utah. Journal of Environmental Quality, 50(6), 1395-1407.en
dc.identifier.urihttps://hdl.handle.net/1969.1/196199
dc.languageeng
dc.publisherJournal of Environmental Quality
dc.publisher.digitalTexas &M University. Libraries
dc.relation.ispartofWater resourcesen
dc.rightsIN COPYRIGHT - EDUCATIONAL USE PERMITTEDen
dc.rights.urihttp://rightsstatements.org/vocab/InC-EDU/1.0/
dc.titleThe impact of rainfall distribution methods on streamflow throughout multiple elevations in the Rocky Mountains using the APEX model—Price River watershed, Utahen
dc.typeJournal Articlesen

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