Connectivity Tool
On-the-fly upstream catchments
Click on the map to display (please choose):
Note: Computing may take some time, depending on catchment size!
Note: In case you click to a headwater, no upstream catchment is provided, as no upstream exists...
Input your own coordinates...
| Longitude: | e.g. 9.0409 | e.g. 9.17 | ||
| Latitude: | e.g. 52.95 | e.g. 52.95 | ||
| Lon lat: | e.g. 8.99853, 52.799 | e.g. 9.17, 52.95 | ||
| Subcatchment id: | e.g. 507044912 | e.g. 506924326 |
(The result will be displayed in the map above)
...or use these examples:
(The result will be displayed in the map above):
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Response returned by server:
Response returned by server:
Enter GeoJSON:
Data sources
The data based on which the above functionalities are computed is the Hydrography90m dataset (see hydrography.org), especially the vector layers contained in the GeoFRESH database (see geofresh.org):
Amatulli, G., Garcia Marquez, J.R., Sethi, T., Kiesel, J., Grigoropoulou, A., Üblacker, M., Shen, L., Domisch, S. (2022). Hydrography90m: A new high-resolution global hydrographic dataset. Earth System Science Data, 14, 4525–4550.
doi:10.5194/essd-14-4525-2022.
Domisch, S., Bremerich, V., Buurman, M., Kaminke, B., Tomiczek, T., Torres-Cambas, Y., Grigoropoulou, A., Garcia Marquez, J. R., Amatulli, G., Grossart, H. P., Gessner, M. O., Mehner, T., Adrian, R. & De Meester, L. (2024). GeoFRESH – an online platform for freshwater geospatial data processing. International Journal of Digital Earth, 17(1).
doi:10.1080/17538947.2024.2391033.
