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LUCI_SEEA.PreprocessDEM.pyt.xml
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LUCI_SEEA.PreprocessDEM.pyt.xml
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<metadata xml:lang="en"><Esri><CreaDate>20200302</CreaDate><CreaTime>10243500</CreaTime><ArcGISFormat>1.0</ArcGISFormat><SyncOnce>TRUE</SyncOnce><ModDate>20200311</ModDate><ModTime>14303800</ModTime><scaleRange><minScale>150000000</minScale><maxScale>5000</maxScale></scaleRange><ArcGISProfile>ItemDescription</ArcGISProfile></Esri><tool name="PreprocessDEM" displayname="Preprocess data" toolboxalias="LUCI" xmlns=""><arcToolboxHelpPath>c:\program files (x86)\arcgis\desktop10.6\Help\gp</arcToolboxHelpPath><parameters><param name="Output_folder" displayname="Output folder" type="Required" direction="Input" datatype="Folder" expression="Output_folder"><dialogReference><DIV STYLE="text-align:Left;"><DIV><P><SPAN>Specify the path and folder name where output from this tool will be stored.</SPAN></P></DIV></DIV></dialogReference></param><param name="Digital_elevation_model" displayname="Digital elevation model (DEM)" type="Required" direction="Input" datatype="Raster Layer" expression="Digital_elevation_model"><dialogReference><DIV STYLE="text-align:Left;"><DIV><P><SPAN>Specify the path and raster name of the input DEM. The recommended resolution of the DEM will vary depending on study area size and topographical complexity, and it is recommended that the user be aware of any possible issues or artefacts of the DEM.</SPAN></P><P><SPAN>Warning: if the study area is large, the resolution of the DEM is high (e.g. 5 to 10m), or both, the reconditioning process may take a long time and produce very large datasets.</SPAN></P></DIV></DIV></dialogReference></param><param name="Study_area_mask" displayname="Study area mask" type="Required" direction="Input" datatype="Feature Class" expression="Study_area_mask"><dialogReference><DIV STYLE="text-align:Left;"><DIV><P><SPAN>Specify the path and name of the shapefile for the study area mask.</SPAN></P></DIV></DIV></dialogReference></param><param name="Land_cover" displayname="Land cover dataset" type="Required" direction="Input" datatype="Feature Class or Raster Layer" expression="Land_cover"><dialogReference><DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Specify the path and name of the raster or shapefile/feature class containing land cover data. Currently, the only land cover data product parameterised within the LUCI for SEEA toolbox is the European Space Agency Climate Change Initiative dataset which is freely accessible [3]. However, users can still use their own datasets by linking their land cover classes with the ESA CCI classes. Be aware that this process has some uncertainties and will be affected by the accuracy of the linking, especially if the classes do not have a one to one match between datasets</SPAN><SPAN>.</SPAN></P><P><SPAN /><SPAN>The aggregation and accounts tools can be used with any data product, and the RUSLE tool allows the user to input factor layers created from their study area’s local datasets. Further instructions can be found in the respective tools.</SPAN></P><P><SPAN>[3] http://maps.elie.ucl.ac.be/CCI/viewer/download.php (accessed 09/03/2020)</SPAN></P></DIV></DIV></DIV></dialogReference></param><param name="Land_cover_linking_code" displayname="Land cover linking code" type="Required" direction="Input" datatype="String" expression="Land_cover_linking_code"><dialogReference><DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Specify the name of the field that contains the land cover class’ unique identifier. For rasters, this is usually </SPAN><SPAN STYLE="font-style:italic;">VALUE</SPAN><SPAN>. For shapefiles and feature classes, this will depend on the construction of the dataset.</SPAN></P></DIV></DIV></DIV></dialogReference></param><param name="Soil" displayname="Soil dataset" type="Required" direction="Input" datatype="Feature Class or Raster Layer" expression="Soil"><dialogReference><DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Specify the path and name of the raster or shapefile/feature class containing soil data. Similar to the land cover data, the only soil data product parameterised by the LUCI for SEEA toolbox is the Harmonized World Soils Database which is freely accessible [4]. However, local soil datasets can still be used by the other tools such as the aggregation and RUSLE tools. Further instructions can be found in these respective tools.</SPAN></P><P><SPAN>[4] FAO/IIASA/ISRIC/ISSCAS/JRC. (2012). </SPAN><SPAN STYLE="font-style:italic;">Harmonized World Soil Database (version 1.2)</SPAN><SPAN>. Rome, Italy: Food and Agriculture Organization of the United Nations.</SPAN></P></DIV></DIV></DIV></dialogReference></param><param name="Soil_linking_code" displayname="Soil linking code" type="Required" direction="Input" datatype="String" expression="Soil_linking_code"><dialogReference><DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Specify the name of the field that contains the soil dataset’s unique identifier. For rasters, this is usually </SPAN><SPAN STYLE="font-style:italic;">VALUE</SPAN><SPAN>. For shapefiles and feature classes, this will depend on the construction of the dataset.</SPAN></P></DIV></DIV></DIV></dialogReference></param><param name="Recondition_DEM" displayname="Recondition DEM?" type="Required" direction="Input" datatype="Boolean" expression="Recondition_DEM"><dialogReference><DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Tick this box if a stream network is present to recondition the DEM using the AGREE method and standard hydrological procedure. Warning: reconditioning a very large or high resolution will take a long time and produce large intermediate and output files.</SPAN></P></DIV></DIV></DIV></dialogReference></param><param name="Stream_network" displayname="Stream network" type="Optional" direction="Input" datatype="Feature Class" expression="{Stream_network}"><dialogReference><DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Specify the path and name of the stream network shapefile/feature class. This stream network will be used to recondition the DEM.</SPAN></P></DIV></DIV></DIV></dialogReference></param><param name="Stream_initiation_accumulation_threshold" displayname="Accumulation threshold for stream initiation (ha)" type="Required" direction="Input" datatype="Double" expression="Stream_initiation_accumulation_threshold"><dialogReference><DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Specify the accumulation threshold for stream initiation in hectares (ha).</SPAN></P><P><SPAN>The accumulation threshold for stream initiation defines the area upslope of a cell that flows into that cell and is considered large enough to contribute enough water for a 'stream' to develop. In temperate environments with hilly topography, a value between 8-12 ha is generally appropriate. For areas with flatter topography, it is recommended to lower this value by half or more. It is recommended to iterate through and test which values would produce a stream network closer to reality.</SPAN></P><P><SPAN STYLE="font-style:italic;">Default is 10.</SPAN></P></DIV></DIV></DIV></dialogReference></param><param name="River_initiation_accumulation_threshold" displayname="Accumulation threshold for major rivers (ha)" type="Required" direction="Input" datatype="Double" expression="River_initiation_accumulation_threshold"><dialogReference><DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Specify the accumulation threshold for major rivers in hectares (ha).</SPAN></P><P><SPAN>The accumulation threshold for major rivers defines the area upslope of a cell that flows into that cell and is considered large enough to contribute enough water for a 'major river' to develop. The default values are appropriate for temperate environments with hilly topography. For areas with flatter topography, it is recommended to lower this value by half or more. It is recommended to iterate through and test which values would produce a stream network closer to reality.</SPAN></P><P><SPAN STYLE="font-style:italic;">Default is 200.</SPAN></P></DIV></DIV></DIV></dialogReference></param><param name="Stream_smooth_drop_buffer_distance" displayname="Stream smooth drop buffer distance (m)" type="Required" direction="Input" datatype="Double" expression="Stream_smooth_drop_buffer_distance"><dialogReference><DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Distance in metres (m) from the stream network over which a "smooth drop" to the stream will be applied.</SPAN></P><P><SPAN STYLE="font-style:italic;">Default is 75.</SPAN></P></DIV></DIV></DIV></dialogReference></param><param name="Stream_drop_buffer" displayname="Stream smooth drop (m)" type="Required" direction="Input" datatype="Double" expression="Stream_drop_buffer"><dialogReference><DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Drop in metres (m) to be applied over buffer distance from stream.</SPAN></P><P><SPAN STYLE="font-style:italic;">Default is 2.</SPAN></P></DIV></DIV></DIV></dialogReference></param><param name="Stream_drop" displayname="Stream drop (m)" type="Required" direction="Input" datatype="Double" expression="Stream_drop"><dialogReference><DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Drop in metres (m) to be applied to DEM cells containing the stream network.</SPAN></P><P><SPAN STYLE="font-style:italic;">Default is 3.</SPAN></P></DIV></DIV></DIV></dialogReference></param><param name="Rerun_tool" displayname="Rerun tool (will continue previous run from the point where any errors occurred)" type="Required" direction="Input" datatype="Boolean" expression="Rerun_tool"><dialogReference><DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Check to rerun the tool if it fails prior to completion. The rerun will start again from the point of failure rather than starting the tool from the beginning.</SPAN></P></DIV></DIV></DIV></dialogReference></param></parameters><summary><DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>This tool preprocesses user-input data such as a Digital Elevation Model (DEM), land cover, soil, and optionally a stream network. All inputs are checked for consistency in projection and coverage to reduce error propagation in later processes. This tool does not produce direct outputs, but produces data that is used by terrain-based tools such as the RUSLE tools</SPAN><SPAN>.</SPAN></P><P><SPAN /><SPAN>If a stream network has been provided, the DEM can be reconditioned to reconcile inconsistencies between the DEM and the stream network. This reconditioning process follows the AGREE method [1] of stream burning and filling sinks, and follows standard hydrology procedures [2] to generate hydrological information and a stream network.</SPAN></P><P><SPAN>This reconditioning process is required if the user wishes to perform soil erosion estimates that account use information about upslope contributing areas in addition to slope length and steepness.</SPAN></P><P><SPAN>[1] Hellweger, F. (1997). AGREE - DEM Surface Reconditioning System. Texas, United States of America: University of Texas. Retrieved March 9, 2020, from http://www.ce.utexas.edu/prof/maidment/gishydro/ferdi/research/agree/agree.html. </SPAN></P><P><SPAN>[2] Maidment, D. R. (2002). Arc Hydro: GIS for water resources. ESRI, Inc.: Redlands, California.</SPAN></P></DIV></DIV></DIV></summary></tool><dataIdInfo><idCitation><resTitle>Preprocess data</resTitle></idCitation><idAbs><DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>This tool preprocesses user-input data such as a Digital Elevation Model (DEM), land cover, soil, and optionally a stream network. All inputs are checked for consistency in projection and coverage to reduce error propagation in later processes. This tool does not produce direct outputs, but produces data that is used by terrain-based tools such as the RUSLE tools</SPAN><SPAN>.</SPAN></P><P><SPAN /><SPAN>If a stream network has been provided, the DEM can be reconditioned to reconcile inconsistencies between the DEM and the stream network. This reconditioning process follows the AGREE method [1] of stream burning and filling sinks, and follows standard hydrology procedures [2] to generate hydrological information and a stream network.</SPAN></P><P><SPAN>This reconditioning process is required if the user wishes to perform soil erosion estimates that account use information about upslope contributing areas in addition to slope length and steepness.</SPAN></P><P><SPAN>[1] Hellweger, F. (1997). AGREE - DEM Surface Reconditioning System. Texas, United States of America: University of Texas. Retrieved March 9, 2020, from http://www.ce.utexas.edu/prof/maidment/gishydro/ferdi/research/agree/agree.html. </SPAN></P><P><SPAN>[2] Maidment, D. R. (2002). Arc Hydro: GIS for water resources. ESRI, Inc.: Redlands, California.</SPAN></P></DIV></DIV></DIV></idAbs><searchKeys><keyword>LUCI</keyword><keyword>LUCI for SEEA</keyword></searchKeys></dataIdInfo><distInfo><distributor><distorFormat><formatName>ArcToolbox Tool</formatName></distorFormat></distributor></distInfo><mdHrLv><ScopeCd value="005"/></mdHrLv></metadata>