HRUweb Tutorial

- general description & aims -

- bases on GRASS - written in Python

+ Content

Starting WebHRU Tool

Link to HRU Tool: [[1]]

Do user login:

- Aufbau der Seite: Layer, GRASS HRU Map, Data process log, Data upload, Data browser

1 Uploading Input Data

At first, decide which map source should be used as the base layer (default: OpenStreetMap):

Then, upload the required input data for HRU delineation. At least, DEM and Gauges are required.

TABELLE: Input Data - Description - Format

• DEM --> Raster of Digital Elevation Model (Tiff-format: .tif)
• Gauges --> Layer of gauging stations (Shapefile in a zip-archive: .zip)
• Landuse --> Raster of landuse (Tiff-format: .tif)
• Soil --> Raster of soil (Tiff-format: .tif)
• Geology --> Raster of geology (Tiff-format: .tif)

The projection will be set automatically on the basis of the input data.

For starting the uploading process, click 'Run'.

When finished, click 'Next'.

The uploading process is shown in the Server Processing Log:

2 Data Setup

Zoom to your region of interest in the map by clicking on the 'Gauges Layer' and on the magnifier.

Choose a subregion by drawing a box around including the gauging stations (blue).

The drawn box must not exceed the extend of the given box (red). BILD

For clipping your region of interest, click 'Run'. When finished, click'Next'.