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   "description": "<DIV STYLE=\"text-align:Left;\"><DIV><DIV><P STYLE=\"margin:0 0 11 0;\"><SPAN>The <\/SPAN><A href=\"https://chesapeakeconservancy.org/conservation-innovation-center/high-resolution-data/enhanced-flow-paths/\"><SPAN>enhanced flow path dataset<\/SPAN><\/A><SPAN> (water network) created from using the Chesapeake Conservancy's <\/SPAN><A href=\"https://chesapeakeconservancy.org/wp-content/uploads/2018/07/CIC_Enhanced_Flowpath_Methods_20180703.pdf\"><SPAN>flow path analysis methodology<\/SPAN><\/A><SPAN>, combining terrain/elevation data and the Chesapeake Conservancy\u2019s high resolution land cover.<\/SPAN><\/P><P STYLE=\"margin:0 0 0 0;\"><SPAN>The Lidar-derived digital elevation model (Statewide DCNR PAMAP 2006-2008 - Quality Level 3 LiDAR - 1 meter DEM) was hydro-conditioned (breached and filled) using the open-source software SAGA and ArcGIS Hydrology toolbox. Flow direction and Flow accumulation rasters were calculated to delineate flow paths. An accumulation threshold of 60 acres of upslope land was applied to identify a given pixel as a channel head; anything downstream of that channel head is identified as a flow path. The flow paths were then widened based on the total upslope area and the USGS regional curve equation for the Coastal Plain region of MD and VA. Large rivers and other open water features classified as \u201cwater\u201d in the high resolution land cover dataset were added to the widened flow paths dataset. This final integration is the \u201cenhanced flow path dataset.\u201d Follow the link to see the Chesapeake Conservancy's <\/SPAN><A href=\"https://chesapeakeconservancy.org/wp-content/uploads/2018/06/PA-Streams-Accuracy-Assessment.pdf\"><SPAN>PA stream mapping accuracy assessment<\/SPAN><\/A><SPAN>.<\/SPAN><\/P><P><SPAN /><\/P><\/DIV><\/DIV><\/DIV>",
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