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Author : Lacey Mason, lmas@umich.edu
Affilliation :  University of Michigan
                   School for Environment and Sustainability


Title : Effective fetch and relative exposure index maps for
the Laurentian Great Lakes
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Contents of the Data File :
1. Data Citation & Reference
2. License
3. Example wind summary table
4. Python files
5. EF & REI data
6. Offshore mask
 

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Data Citation & Reference
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XXX Scientific Data reference and data citation here XXX

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License
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See the Creative Commons license listed here:
---Deep Blue link---

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Example wind summary table
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The file "LSC_c45147_2014_fetchDir_36bins.csv is an example wind summary table based on data from the offshore buoy c45147 in Lake St. Clair for the open water season of 2014.  An explanation of how the data was summarized can be found in the above referenced manuscript.

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Python files
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The Python files "cost_distance_composite.py" and "wind_weighted_EF_sum_rasters.py" were used to weight the fetch rasters produced using the tool from Rohweder et al. (2012; https://www.umesc.usgs.gov/management/dss/wind_fetch_wave_models_2012update.html) and create a composite map of each Great Lake.

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EF & REI data
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The final effective fetch (EF) and relative exposure index (REI) data can be found in zip files are organized by lake; Erie, Huron, Michigan, Ontario, St. Clair, and Superior.  The files are in GeoTIFF format.

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Offshore mask
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The file "offshore_mask.zip" is a GeoTIFF file to mask the offshore areas where the EF and REI data sets are not relevant.  The offshore mask covers the areas of the Great Lakes greater than 30 m in depth, except for Lake Erie which is greater than 15 m in depth.