Description

This model archive makes available the calibrated Soil-Water-Balance (SWB) model used to simulate potential recharge for the State of Maine for 1991 to 2015. The model was calibrated using annual values of runoff, evapotranspiration, and recharge for 32 watersheds in the State. The simulations were used to create 25-year statistical grids of annual potential recharge (mean, median, minimum, and maximum), and the uncertainty around these grids. The calibrated SWB model and its use is described in the associated U.S. Geological Survey Scientific Investigations Report 2019–5125. The Maine SWB model was used to create output at two different scales: 250-meter and 500-meter grid cells. The calibration and uncertainty analysis were carried out at the 500-m grid size, and the final model runs were done at the 250-m grid size. The model archive includes all the files used in the calibration and uncertainty runs, which are described in the accompanying Scientific Investigations Report 2019–5125. The directory structure of the model archive contains all the files needed to document and run the model. The directories in the archive are presented each as a separate .zip file and include an "ancillary" directory, a "bin" directory, a "georef" directory, a "model directory, an "output" directory, and a "source" directory. There is a README file describing all the files and directories in the archive and information on how to run the model. Each primary folder also contains a README file describing the contents.

Resources

Name	Format	Description	Link
	55	The metadata original format	https://data.usgs.gov/datacatalog/metadata/USGS.5d1281b1e4b0941bde56eafb.xml
	55	Landing page for access to the data	https://doi.org/10.5066/P9GRP7DH

Soil-Water-Balance (SWB) model archive used to simulate potential annual recharge in Maine, 1991-2015

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