topic How to estimate groundwater contamination from multiple sources? in ArcGIS Spatial Analyst Questions https://community.esri.com/t5/arcgis-spatial-analyst-questions/how-to-estimate-groundwater-contamination-from/m-p/640580#M9280 <HTML><HEAD></HEAD><BODY><P>I am looking for advice how to track contamination from multiple #groundwater contaminant sources (&gt;1000 polygons) in ArcGIS 10.3. Particle track seems to work only for point data, but I'd need a method for a high number of polygons. The result has to be a map stating "in these areas, groundwater&nbsp; will be contaminated from the sources".</P><P></P><P>My current best method would be to transform the polygons to raster, raster to point, do particle track on the points, porous puff on the tracks and then combine the results - this will take ages and there has to be a more sophisticated method.</P><P></P><P>Does anyone have suggestions?</P><P></P><P>Thanks a lot!</P><P>Nils</P></BODY></HTML> Wed, 17 May 2017 07:35:46 GMT NilsMoosdorf 2017-05-17T07:35:46Z How to estimate groundwater contamination from multiple sources? https://community.esri.com/t5/arcgis-spatial-analyst-questions/how-to-estimate-groundwater-contamination-from/m-p/640580#M9280 <HTML><HEAD></HEAD><BODY><P>I am looking for advice how to track contamination from multiple #groundwater contaminant sources (&gt;1000 polygons) in ArcGIS 10.3. Particle track seems to work only for point data, but I'd need a method for a high number of polygons. The result has to be a map stating "in these areas, groundwater&nbsp; will be contaminated from the sources".</P><P></P><P>My current best method would be to transform the polygons to raster, raster to point, do particle track on the points, porous puff on the tracks and then combine the results - this will take ages and there has to be a more sophisticated method.</P><P></P><P>Does anyone have suggestions?</P><P></P><P>Thanks a lot!</P><P>Nils</P></BODY></HTML> Wed, 17 May 2017 07:35:46 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/how-to-estimate-groundwater-contamination-from/m-p/640580#M9280 NilsMoosdorf 2017-05-17T07:35:46Z