Impact of Land Cover/Use Dynamics on Watershed Flow in Snoqualmie Watershed, King County, WA

Water is one of the most important natural resources flow though watersheds. It is expected that within next decade at least 36 states in the US experience water shortages. Preserving and proper management of water and watershed resources is crucial. The objective of this study is to develop SWAT model along with compatible hydrologic programs and calibrate the model to predict the volume and discharge of flow in watershed outlets. Model uses 5 distinct years of land use/cover and weather data to analyse the change in hydrologic processes within thze watershed of Snoqualmie watershed of King county in Washington state. Model shows significant improved predictions for the selected period of time but some certain assumptions suggest the model needs further improvements. Results indicate that land use change and use dynamics have an impact to the watershed flow in Snoqualmie watershed. Results of this study can be used by implementing agencies to manage water and watershed resources in the King county, WA area.

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