<p>The SACS Tier 1 Environmental and Cultural Resources
Exposure Index is a percentage-based aggregation of three Tier 1 Risk
Assessment exposure indices: Environmental Index 30%, Cultural Index 40%, and
Habitat Index 30%. </p>

<p>The SACS Tier 1 Environmental Exposure Index depicts a weighted
aggregate of national GIS datasets related to administration and identification
of high value environmental resources, within the SACS study area. The input
datasets were identified during the USACE North Atlantic Coast Comprehensive
Study (NACCS), with a few additional datasets in the Audubon Important Bird
Areas, and National Estuarine Research Reserves. These data were clipped to the
SACS study area and weighted consistently with the NACCS effort: Page 109 <a href='https://www.nad.usace.army.mil/Portals/40/docs/NACCS/NACCS_Appendix_C.pdf' rel='nofollow ugc'>https://www.nad.usace.army.mil/Portals/40/docs/NACCS/NACCS_Appendix_C.pdf</a>.
These data were then converted to a uniform grid based on the NACCS weighting,
and summed. The resulting raster was then normalized between 0 and 1, with 1
containing the highest value, or the most overlapping datasets. The resulting
index is displayed with a stretch symbology, percent clip (min -.5 max .5).
This grid resolution is 30m.</p>

<p>The SACS Tier 1 Habitat Exposure Index depicts a weighted
aggregate of national GIS datasets related to high value habitat areas, within
the SACS study area. The input datasets were identified during the North Atlantic
Coastal Comprehensive study, with an addition of the UNEP WCMC identified
global seagrass locations. These data were clipped to the SACS study area,
weighted consistently with the NACCS effort: Page 109 <a href='https://www.nad.usace.army.mil/Portals/40/docs/NACCS/NACCS_Appendix_C.pdf' rel='nofollow ugc'>https://www.nad.usace.army.mil/Portals/40/docs/NACCS/NACCS_Appendix_C.pdf</a>.
These data were then converted to a uniform gird based on the NACCS weighting,
and summed. The resulting raster was then normalized between 0 and 1, with 1
containing the highest value, or the most overlapping datasets. The resulting
index is displayed with a stretch symbology, percent clip (min -.5 max
.5).<span style='mso-spacerun:yes'>  </span>This grid resolution is 30m.</p>

<p>The SACS Tier Cultural Resources Exposure Index depicts a
weighted aggregated of national GIS datasets related to cultural resources
within the SACS study areas. The input datasets include the National Register
of Historic Places as well as the USGS Protected Areas Database– Historic or
Cultural Areas. These national datasets were clipped to the SACS study area and
weighted consistently with the USACE NACCS effort: Page 109 <a href='https://www.nad.usace.army.mil/Portals/40/docs/NACCS/NACCS_Appendix_C.pdf' rel='nofollow ugc'>https://www.nad.usace.army.mil/Portals/40/docs/NACCS/NACCS_Appendix_C.pdf</a><span style='color:black;mso-themecolor:text1'>. </span>These vector data were then
converted to a uniform grid based on the NACCS weighting, and summed. The
resulting raster was then normalized between 0 and 1, with 1 containing the
highest value, or the most overlapping datasets. The resulting index is displayed
with a 4-class equal interval symbology to be able identify point features that
have been converted to grid pixels. This grid resolution is 30m. </p>

<p>Input datasets, weighting, and download locations are
referenced as follows:</p>

<p>Environmental</p>

<p>USFWS - <a href='https://www.fws.gov/GIS/data/national/index.html' rel='nofollow ugc'><i><span style='mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin'>https://www.fws.gov/GIS/data/national/index.html</span></i></a><i><span style='mso-bidi-font-family:Calibri;
mso-bidi-theme-font:minor-latin;color:#1F4E79;mso-themecolor:accent1;
mso-themeshade:128'><br />
</span></i>Coastal Barrier Islands under CBRA – Weight - 91<br />
Rare, Threatened, and Endangered Species – Weight - 86<br />
Refuges – Weight 89</p>

<p>TNC - <a href='https://maps.tnc.org/gis_data.html' rel='nofollow ugc'><i><span style='mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;mso-hansi-font-family:Calibri;mso-hansi-theme-font:
minor-latin;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin'>https://maps.tnc.org/gis_data.html</span></i></a><i><span style='mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;mso-hansi-font-family:Calibri;mso-hansi-theme-font:
minor-latin;mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin;
color:#1F4E79;mso-themecolor:accent1;mso-themeshade:128'></span></i></p>

<p>Conservation Areas – Weight - 73</p>

<p>NOAA - <a href='https://coast.noaa.gov/digitalcoast/data/nerr.html' rel='nofollow ugc'><span style='font-size:10.0pt;line-height:107%;mso-fareast-font-family:&quot;Times New Roman&quot;;
mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin'>https://coast.noaa.gov/digitalcoast/data/nerr.html</span></a><br />
National Estuarine Research Reserves – Weight - 75</p>

<p>Audubon- <a href='https://www.audubon.org/important-bird-areas' rel='nofollow ugc'><span style='font-size:
10.0pt;line-height:107%;mso-bidi-font-family:Calibri;color:blue'>https://www.audubon.org/important-bird-areas</span></a><br />
Important Bird Areas – Weight 75</p>

<p>DHS <br />
City, County, State and Federal Parks &gt; 100 Acres – Weight – 44</p>

<p>Habitat</p>

<p>UNEP WCMC 2018 (<a href='https://data.unep-wcmc.org/datasets/7' rel='nofollow ugc'><span style='mso-bidi-font-family:
Calibri;mso-bidi-theme-font:minor-latin'>https://data.unep-wcmc.org/datasets/7</span></a><span><span style='mso-bidi-font-family:Calibri;mso-bidi-theme-font:
minor-latin'>)<br />
</span></span>Seagrass Locations – Weight – 88</p>

<p>NOAA Coastal Change Analysis Program (C-CAP)</p>

<p style='text-indent:-.25in;mso-list:l0 level1 lfo1'><span style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family:
Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt &quot;Times New Roman&quot;'>        
</span></span></span>Estuarine Emergent Marsh – Weight - 96<br />
Forested Wetland – Weight - 80<br />
Scrub – Shrub Wetland – Weight - 73</p>

<p>USFWS – National Wetland Inventory (NWI)</p>

<p style='text-indent:-.25in;mso-list:l0 level1 lfo1'><span style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family:
Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt &quot;Times New Roman&quot;'>        
</span></span></span>Freshwater Forested/Shrub Wetland – Weight - 82<br />
Riverine Wetlands – Weight - 61</p>

<p>NOAA – Environmental Sensitivity Index (ESI)</p>

<p style='text-indent:-.25in;mso-list:l0 level1 lfo1'><span style='font-family:Symbol;mso-fareast-font-family:Symbol;mso-bidi-font-family:
Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt &quot;Times New Roman&quot;'>        
</span></span></span>Rocky Shoreline – Weight - 31<br />
Unconsolidated Shore – Mud, Organic, Flat – Weight - 47<br />
Unconsolidated Shore – Sand, Gravel, Cobble – Weight – 66</p>

<p><span><span style='color:windowtext;
text-decoration:none;text-underline:none'>Cultural Resources</span></span></p>

<p><span><span style='color:windowtext;
text-decoration:none;text-underline:none'>NPS</span></span></p>

<p style='text-indent:-.25in;mso-list:l0 level1 lfo1'><span><span style='font-family:Symbol;mso-fareast-font-family:
Symbol;mso-bidi-font-family:Symbol;color:windowtext;text-decoration:none;
text-underline:none'><span style='mso-list:Ignore'>·<span style='font:7.0pt &quot;Times New Roman&quot;'>        
</span></span></span></span><span><span style='color:windowtext;text-decoration:none;text-underline:none'>National
Register of Historic Places – Weight – 75</span></span></p>

<p><span><span style='color:windowtext;
text-decoration:none;text-underline:none'>USGS</span></span></p>

<p style='text-indent:-.25in;mso-list:l0 level1 lfo1'><span><span style='font-family:Symbol;mso-fareast-font-family:
Symbol;mso-bidi-font-family:Symbol;color:windowtext;text-decoration:none;
text-underline:none'><span style='mso-list:Ignore'>·<span style='font:7.0pt &quot;Times New Roman&quot;'>        
</span></span></span></span><span><span style='color:windowtext;text-decoration:none;text-underline:none'>Protected
Areas Database – Historic or Cultural Areas – Weight - 75</span></span></p>
None
[]
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