geocat.ch
Erosion risk map for arable land, with average soil erosion in tonnes /(ha*year)
Erosion risk map for arable land, with average soil erosion in tonnes /(ha*year) (Federal Office for Agriculture)
Erosion risk map for arable land in Switzerland in a 2x2-metre grid based on SwissALTI3D and cantonal surface-area data on arable land (status 2021). The map shows the long-term average potential soil erosion in tonnes per hectare and year, calculated on the basis of bare fallow (erosion which theoretically could occur if the soil were permanently bare). Shades of green, yellow and red mean a slight, average and high risk of erosion, respectively. The values calculated in the model are consistently much higher than in actual fact (by around a factor of 10), since soil tillage and management (C-factor) were excluded and incorporated in the calculation as a constant with the value of 1. Calculating the erosion risk with multiple-flow algorithms allows us to illustrate the structure of the terrain in great detail – e.g. the shape of basins or of steep transverse slopes – and hence e.g. also to identify the risk of thalweg erosion. This is shown in detail in the flow-path map (which see). Field blocks (see field-block map) constitute the basis of the spatial calculation.
Simple
- Alternate title
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Erosion risk crop quantitative
- Date (Creation)
- 2019-03-30
- Identifier
- ch.blw.erosion-quantitativ
Point of contact
- Hours of service
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8h00-17h00
Spatial resolution
Equivalent scale
- Denominator
- 500
- Topic category
-
- F Geoscientific information
Extent
Extent
- Description
-
National Map 1:25'000
- Geographic identifier
- NM25
))
- Maintenance and update frequency
- Unknown
- GEMET
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-
soil erosion
-
erosion
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- geocat.ch
-
-
e-geo.ch
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opendata.swiss
-
- geocat.ch
-
-
FSDI Federal Spatial Data Infrastructure
-
Resource constraints
- Use constraints
- Other restrictions
- Other constraints
- Opendata BY: Open use. Must provide the source.
Associated resource
- Title
-
Erosion risk map
- Association Type
- Reference to a master resource of which this one is a part
- Language
- Deutsch
- Subtopic Category
- F1 Geology
- Subtopic Category
- F2 Soils
- Distribution format
-
-
ESRI Arcinfo ASCII GRID (ASC)
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Digital transfer options
- OnLine resource
-
Vorschau map.geo.admin.ch
Preview map.geo.admin.ch
Digital transfer options
- OnLine resource
-
ch.blw.erosion-quantitativ
WMS-FSDI service, layer "Erosion risk crop quantitative"
Digital transfer options
- OnLine resource
-
ch.blw.erosion-quantitativ
WMTS-FSDI service, layer "Erosion risk crop quantitative"
Digital transfer options
Digital transfer options
- Number of dimensions
- 2
- Cell geometry
- Area
- Transformation parameter availability
- 0
- Reference system identifier
- EPSG:21781
Metadata
- Metadata identifier
- 14c92382-adf0-45d9-ad07-d41bd976c2a3
- Language
- Deutsch
- Character encoding
- UTF8
- Language
- Français
- Character encoding
- UTF8
- Language
- Italiano
- Character encoding
- UTF8
- Language
- English
- Character encoding
- UTF8
- Language
- Rumantsch
- Character encoding
- UTF8
Point of contact
- Hours of service
-
8h00-17h00
Type of resource
- Resource scope
- Dataset
- Metadata linkage
-
https://www.geocat.ch/geonetwork/srv/api/records/14c92382-adf0-45d9-ad07-d41bd976c2a3
- Date info (Creation)
- 2013-05-29T08:07:27Z
- Date info (Revision)
- 2026-04-13T09:38:45.218809Z
Metadata standard
- Title
-
eCH-0271
