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Using Geospatial Data To Predict The Locations Of Groundwater Discharge To Salmon-Bearing Streams, Alaska, Mary Gerlach
Using Geospatial Data To Predict The Locations Of Groundwater Discharge To Salmon-Bearing Streams, Alaska, Mary Gerlach
USF Tampa Graduate Theses and Dissertations
Identification and protection of groundwater resources are considerations of increasing interest as climate shifts but can be challenging to accomplish in remote areas. To that end, a series of GIS techniques and weight of evidence approach were applied to determine the feasibility of remotely identifying likely areas of ground discharge. Through the confluence of topographic analyses and a novel geologic dataset, these techniques were found to consistently identify areas characterized by either shallow subsurface or aquifer-fed groundwater discharge or evidence of ephemeral surficial water features. Two distinct GIS techniques to build spatial proxies of the effects of topography and geology …