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 "description": "A mosaic of the U.S. NLCD 11 (2011 edition) and the Canadian 2000 SOLRIS v2.0. These datasets were created from imagery collected in approximately the same time frames, included similar categories, and covered the full extent of the Great Lakes Basin. \n\nLand cover has an important influence on watersheds and the Great Lakes. When performing land cover related analyses on the Great Lakes, it is important to utilize cohesive data across the entire basin for both the U.S. and Canada. However, the Province of Ontario and the U.S. utilize different classification systems for land cover datasets.  We created a crosswalked data layer that includes similar categories across the basin and provides a snapshot of land cover from 2011/2012, which also includes data from 2000 due to data availability constraints.  This layer was meant to be used in conjunction with the GLAHF 2001/2000 landcover crosswalk to evaluate change over time across the Great Lakes Basin.  The Ontario data sources were: 1) the 29 class 2000 Provincial Landcover Ontario (PLO); and, 2) the 30 class 2012 Southern Ontario Land Resrouce Information System (SOLRIS) v2.0 landcover.  The PLO covers Northern Ontario and SOLRIS v2.0 covers Southern Ontario.  Both data layers can be downloaded from the Land Information Ontario (LIO) Metadata Management Tool: https://www.javacoeapp.lrc.gov.on.ca/geonetwork/srv/en/main.home.  The U.S. data source was the 2011 United States Geological Survey (USGS) National Landcover Dataset, 2011 edition.  This layer contains 8 level one classes and 16 nested level two classes and can be downloaded from the Multi-Resolution Land Characteristics Consortium (MRLC): http://www.mrlc.gov/nlcd01_data.php\n\nFor our crosswalk, we selected the NLCD 11 (2011 version) and the Canadian SOLRIS 2.0 because they were created from imagery collected in approximately the same time frames, and because they were comparable to the 2001 NLCD and the 2000 SOLRIS v1.2. However, a comparable layer from the same time period was not available for Northern Ontario. \n\nTo process the data, we first clipped each input data layer by the extent of the Great Lakes States and the Province of Ontario. Next, we reclassified the raster values using the Reclassify tool, changing the original values to crosswalked values. Next we projected the data into the standardized projection used by the Great Lakes Aquatic Habitat Framework (GLAHF) USA Contiguous Albers Equal Area Conic USGS projection and resampled the pixel size to 30 meters, the standard projection and pixel size for the Great Lakes Aquatic Habitat Framework (GLAHF). We then created a mosaic using Mosaic to New Raster, incorporating the waters of the Great Lakes as the value \u201c1\u201d, using the shoreline of the watersheds in the GLAHF Hydrology Data Package V1 as a mask.\n\nLandcover Codes:\n1 = Great Lakes Waters\n11 = Water\n2 = Developed\n31 = Barren Land\n41 = Deciduous Forest\n42 = Evergreen Forest\n43 = Mixed Forest\n52 = Scrub/Shrub\n71 = Grassland/Herbaceous\n8 = Agriculture\n90 = Forested Wetland\n95 = Emergent Wetland\n98 = Other/Undefined\n\n1) National Land Cover Dataset, 2011 v11 http://www.mrlc.gov/nlcd01_data.php; \n2) The 2000 Provincial Landcover Ontario (PLO) https://www.javacoeapp.lrc.gov.on.ca/geonetwork/srv/en/main.home; \n3) 2012 Southern Ontario Land Resrouce Information System (SOLRIS) v 2.0 https://www.javacoeapp.lrc.gov.on.ca/geonetwork/srv/en/main.home; \n4) Anderson, J.R., Hardy, E. E., Roach, J.T., Witmer, R. E., 1976.  A Land Use and Land Cover Classification System for Use with Remote Sensor Data. United States Department of the Interior.  Geological Survey Professional Paper 964. A revision of the land use classification system as presented in U.S. Geological Survey Circular 671. Conversion to Digital 2001.  United States Government Printing Office, Washington. 1976.; \n5) Hollenhorst, T. P., Johnson, L.B., and Ciborowski, J., 2011. Monitoring land cover change in the Lake Superior Basin.  Aquatic Ecosystem Health and Management, 14(4):433-442.; 5)Wolter, P.T., Johnston, C. A., Niemi, G.J., 2006.  Land Use Land Cover Change in the U.S. Great Lakes Basin 1992 to 2001.  Journal of Great Lakes Research. 32:607-628.",
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 "copyrightText": "The Great Lakes Aquatic Habitat Framework (GLAHF) project has been funded by the Great Lakes Fishery Trust and led by Dr. Catherine Riseng, PI at the University of Michigan School of Natural Resources and Environment, with partners from Michigan Department of Natural Resources-Institute for Fisheries Research, NOAA Great Lakes Environmental Research Laboratory, International Joint Commission, Michigan State University, The Nature Conservancy, Ontario Ministry of Natural Resources, University of Minnesota-Duluth, U.S. Fish & Wildlife Service, U.S. Geological Survey and many collaborating partners in both the USA and Canada. More information about this project can be found at http://glahf.org/.",
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