Randall J. Hunt John F. Walker 2017 1.0 groundwater model Reston, VA, USA U.S. Geological Survey https://doi.org/10.5066/F7M32SZ2 Stephen M. Powers, Stephanie G. Labou Helen M. Baulch Randall J. Hunt Noah R. Lottig Stephanie E. Hampton Emily H. Stanley 2017 Publication Limnology and Oceanography Letters 5 Waco, Texas Association for the Sciences of Limnology and Oceanography https://doi.org/10.1002/lol2.10048 A 2016 update was made to the GSFLOW model documented in SIR 2013-5159, which is available online ( https://pubs.usgs.gov/sir/2013/5159/ ). The original GSFLOW model was created to simulate climate changes effects on streamflow, lake budgets, and stream temperature in the Trout Lake Watershed, Wisconsin. The computer code GSFLOW (Groundwater/Surface-water FLOW) was used to simulate the coupled hydrologic system; a surface-water model represented hydrologic processes in the atmosphere, at land surface, and within the soil-zone, and a groundwater-flow model represented the unsaturated zone, saturated zone, stream, and lake budgets. The coupled GSFLOW model was calibrated by using heads, streamflows, lake levels, actual evapotranspiration rates, solar radiation, and snowpack measurements collected during water years 1998–2007; calibration was performed by using advanced features present in the PEST parameter estimation software suite. The updated model for this data release extended the simulation period to 1975-2015 (first 13 years discarded as spin-up) as compared to 1988-2007 (first 12 years discarded as spinup) for the original GSFLOW model of SIR 2013-5159. The model was updated to better simulate groundwater inflow to five lakes (Allequash, Big Muskellunge, Crystal, Sparkling, and Trout Lakes) in the Northern Temperate Lakes long term ecological research site for the lake nitrogen study discussed in the Powers and others (2017) journal article (https://doi.org/10.1002/lol2.10048). The updated model extended the simulation period to 1975-2015 (first 13 years discarded as spin-up) as compared to 1988-2007 (first 12 years discarded as spinup). The development of the original model input and output is discussed in SIR 2013-5129 with updates discussed in the readme.txt file of this model archive. The updated input and output files are included in this data release. Support is provided for correcting errors in the data release and clarification of the modeling conducted by the U.S. Geological Survey. Users are encouraged to review the model documentation report to understand the purpose, construction, and limitations of this model. The models will run successfully only if the original directory structure is correctly restored. The model archive is broken into several pieces to reduce the likelihood of download timeouts. Instructions for reconstructing the original directory structure and running the models included in this data release and described in the model documentation report can be found in the readme.txt ASCII file which can be downloaded as part of this data release. 19750930 20151001 publication date Complete Not planned -89.741269 -89.499523 46.122309 45.960427 USGS Thesaurus usgsgroundwatermodel MODFLOW-NWT Groundwater InlandWaters Groundwater Model PEST GSFLOW ISO 19115 Topic Category geoscientificInformation inlandWaters environment USGS Metadata Identifier USGS:2b248eb5-2527-40f7-91a5-96d92ee053e1 none Wisconsin North Temperate Lakes Long Term Ecological Research site Allequash Lake Big Muskellunge Lake Crystal Lake Trout Lake Sparkling Lake Trout Lake Station None. Acknowledgement of the U.S. Geological Survey and would be appreciated in products derived from this data release. none Randall J. Hunt U.S. Geological Survey mailing and physical

8505 Research Way

Middleton WI 53562 USA 608-821-3847 rjhunt@usgs.gov https://water.usgs.gov/GIS/browse/Hunt2017_LandO_model.jpg Image of the model domain and active area of the model. jpg Center for Environmental Research, Education and Outreach at Washington State University, School of Environment and Sustainability and Global Institute for Water Security at University of Saskatchewan, Center for Limnology at University of Wisconsin-Madison The original coupled GSFLOW model was calibrated by using heads, streamflows, lake levels, actual evapotranspiration rates, solar radiation, and snowpack measurements collected during water years 1998–2007; calibration was performed by using advanced features present in the PEST parameter estimation software suite. The updated GSFLOW model has an extended simulation period from 1975-2015 (first 13 years discarded as spin-up). No formal logical accuracy tests were conducted Data set is considered complete for the information presented, as described in the abstract. Users are advised to read the rest of the metadata record and the associated journal article (https://doi.org/10.1002/lol2.10048) for additional details. No formal positional accuracy tests were conducted No formal positional accuracy tests were conducted The process used to develop, calibrate, and apply the groundwater-flow model is fully described in SIR 2013-5129 and applies to the updated model. The updated GSFLOW model was not recalibrated and has an extended simulation period from 1975-2015 (first 13 years discarded as spin-up). 2017 raster pixel NAD 1983 HARN Wisconsin TM 0.99960000 -90.00000000 0.00000000 520000.0 -4480000.0 row and column 75 75 Model units and projection units are meters. NGVD 29 1.0 meters Attribute values Hunt2017_LandO_model.shp ESRI Polygon shapefile U.S. Geological Survey Area The text string indicating if the polygon area is active or inactive in the model. https://doi.org/10.1002/lol2.10048. usgsgroundwatermodel Delineation of active and inactive areas in the model. https://doi.org/10.1002/lol2.10048. Hunt, R.J., and Walker, J.F., 2017, GSFLOW groundwater-surface water model 2017 update for the Trout Lake Watershed, Wisconsin: U.S. Geological Survey data release https://doi.org/10.5066/F7M32SZ2 U.S. Geological Survey Michael Ierardi IT Specialist mailing and physical address

445 National Center

Reston VA 20192 USA 1-888-275-8747 (1-888-ASK-USGS) mierardi@usgs.gov The data have been approved for release by the U.S. Geological Survey (USGS). Although the data have been subjected to rigorous review and are substantially complete, the USGS reserves the right to revise the data pursuant to further analysis and review. Furthermore, the data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from authorized or unauthorized use. Although the data, software, and related material have been processed successfully on a computer system at the USGS, no warranty expressed or implied is made regarding the display or utility of the data on any other system, or for general or scientific purposes, nor shall the act of distribution constitute any such warranty. The USGS or the U.S. Government shall not be held liable for improper or incorrect use of the data described and/or contained herein. Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government. readme.txt 1.0 ASCII text file This ASCII text file describes the model data release. This file also includes the description of the model output files and instructions on how to run the model contained in this data release. 0.012 https://water.usgs.gov/GIS/dsdl/gwmodels/Hunt2017_LandO_model/readme.txt modelgeoref.txt 1.0 ASCII text file This ASCII text file defines the four corners of the model domain in decimal degrees. 0.001 https://water.usgs.gov/GIS/dsdl/gwmodels/Hunt2017_LandO_model/modelgeoref.txt bin.zip 1.0 ZIP file ZIP file containing the GSFLOW (version 1.1.5) executable that was used to run the simulation in the study. 2.679 https://water.usgs.gov/GIS/dsdl/gwmodels/Hunt2017_LandO_model/bin.zip georef.zip 1.0 ZIP file ZIP file containing a shapefile which defines the maximum extent and active area of the GSFLOW Model model domain (Hunt2017_LandO_model.shp) 0.020 https://water.usgs.gov/GIS/dsdl/gwmodels/Hunt2017_LandO_model/georef.zip model.zip 1.0 ZIP file This ZIP file contains the input files for GSFLOW model (the steady-state and transient runs are combined into a single model simulation). 5.083 https://water.usgs.gov/GIS/dsdl/gwmodels/Hunt2017_LandO_model/model.zip output.zip 1.0 ZIP file ZIP file containing all model output files (the the steady-state and transient runs are combined into a single model simulation with one set of output files). 49.369 https://water.usgs.gov/GIS/dsdl/gwmodels/Hunt2017_LandO_model/output.zip source.zip 1.0 ZIP file ZIP file containing Source files for GSFLOW (v 1.1.5) code that was used to run the simulations in this study. 3.490 https://water.usgs.gov/GIS/dsdl/gwmodels/Hunt2017_LandO_model/source.zip None 20201117 U.S. Geological Survey Ask USGS -- Water Webserver Team mailing

445 National Center

Reston VA 20192 1-888-275-8747 (1-888-ASK-USGS) mierardi@usgs.gov FGDC Content Standards for Digital Geospatial Metadata FGDC-STD-001-1998