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The spot sidescan sonar imagery. The pre restoration scans are merged files of all sidescan monitoring TPWD have done on our restoration sites. |
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The spot sidescan sonar imagery. The pre restoration scans are merged files of all sidescan monitoring TPWD have done on our restoration sites. |
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TPWD |
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5000 |
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[] |
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>The spot sidescan sonar imagery. The pre restoration scans are merged files of all sidescan monitoring TPWD have done on our restoration sites. </SPAN></P><UL STYLE="margin:0 0 0 0;padding:0 0 0 0;"><LI><P><SPAN><SPAN>Data were collected from 2008 to 2016, with restoration sites spot-scanned as recently as 2019</SPAN></SPAN></P></LI><LI><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>Sidescan = Teledyne Benthos C3D </SPAN></SPAN></P><UL STYLE="margin:0 0 0 0;padding:0 0 0 0;"><LI><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>Bow-mounted</SPAN></SPAN></P></LI><LI><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>200 kHz frequency</SPAN></SPAN></P></LI><LI><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>Range of 100 meters</SPAN></SPAN></P></LI><LI><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>12% Overlap between transect</SPAN></SPAN></P></LI><LI><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>Transect spacing of 185 meters</SPAN></SPAN></P></LI><LI><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>Data collected in WGS 84</SPAN></SPAN></P></LI><LI><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>Projected to UTM 14N</SPAN></SPAN></P></LI><LI><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>Location Data: Ashtec dGPS receiver with Communication System International MBX-3 Differential</SPAN></SPAN></P></LI></UL></LI><LI><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>Singlebeam = Biosonics DTX </SPAN></SPAN></P><UL STYLE="margin:0 0 0 0;padding:0 0 0 0;"><LI><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>120 kHz frequency</SPAN></SPAN></P></LI><LI><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>Collected in Visual Acquisition</SPAN></SPAN></P></LI><LI><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>Beam width = 8.1</SPAN></SPAN><SPAN><SPAN>o</SPAN></SPAN></P></LI><LI><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>Pulse rate = 5</SPAN></SPAN></P></LI><LI><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>Pulse duration = 0.1</SPAN></SPAN></P></LI><LI><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>Power Reduction = -9.2</SPAN></SPAN></P></LI><LI><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>Transducer depth = 0.61 m</SPAN></SPAN></P></LI><LI><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>Location Data = Garmin GA 29 GPS</SPAN></SPAN></P></LI></UL></LI></UL><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>Survey planning in Hypack</SPAN></SPAN></P><P><SPAN><SPAN>Map product has 71.6% overall accuracy.</SPAN></SPAN></P><P><SPAN>Disclaimer: This product is for informational purposes only and may not be suitable for legal, engineering, or surveying purposes. It does not represent an official survey and represents only the approximate relative location of features and boundaries. Mapping may not necessarily reflect on-the-ground conditions. This product and those involved in its production make no claims as to the accuracy or reliability of the data, and neither assumes, nor will accept liability for their use.</SPAN></P></DIV></DIV></DIV> |
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>HARC Internal use only. For external use, please contact the HARC GIS group.</SPAN></P></DIV></DIV></DIV> |
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| title:
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spatial_library.SDE.TPWD_Oyster_GB_Spot_Scans_Pre_Restoration_Scans_2019 |
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| tags:
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["TPWD","Oyster","Restoration","Scan"] |
| culture:
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en-US |
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150000000 |
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