geocat.ch
Basis for determining Q347 flow rate
The Water Protection Act specifies how appropriate residual flows can be determined. This applies to new water withdrawals and also to existing withdrawals for which concessions have to be renewed. Anyone who withdraws water from a permanent (non-seasonal) watercourse - for power generation, irrigation or cooling purposes - requires a licence. This will only be granted if appropriate residual flows are maintained in the river- or streambed. The residual flow regulations are only applicable to new water withdrawals and to existing withdrawals when a concession expires and has to be renewed. The Q347 discharge is one of the fundamental parameters for setting minimum residual water flow. Measurements or suitable estimation methods are required to determine the Q347. The map “Grundlagen zur Bestimmung der Abflussmenge Q347” combines measured and modelled data. The modelled data represents rough estimates which can be improved by application of more advanced methods. In general, an estimate obtained in this way must be checked by performing a short-term measurement.
Simple
Identification info
- Alternate title
-
Basis for determining Q347
- Date (Creation)
- 2000-01-01
- Citation identifier
- ch.bafu.hydrologie-q347
Citation identifier
Point of contact
Responsible party
- Organisation name
-
Federal Office for the Environment / Hydrology Division
- Voice
-
+41 58 464 71 87
- Facsimile
-
+41 58 464 76 81
Address
- City
-
Bern
- Postal code
-
3003
- Country
-
CH
- Electronic mail address
-
hydrologie@bafu.adm hydrologie@bafu.admin.ch
- Protocol
-
WWW:LINK
- Role
- Point of contact
- Last Name
-
BAFU Hydrologie
- Organisation Acronym
-
FOEN
-
GEMET
-
-
water (geographic)
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-
geocat.ch
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FSDI Federal Spatial Data Infrastructure
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-
geocat.ch
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-
opendata.swiss
-
- Use constraints
- Other restrictions
- Other constraints
- Opendata OPEN: Open use.
- Language
- Deutsch
- Character set
- UTF8
- Topic category
-
- I Inland Waters
Extent
- Description
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Switzerland
))
- Distribution format
-
-
ESRI Shapefile (SHP)
()
-
ESRI Shapefile (SHP)
()
- OnLine resource
-
Preview map.geo.admin.ch
(
MAP:Preview
)
Preview map.geo.admin.ch
- OnLine resource
-
ch.bafu.hydrologie-q347
(
OGC:WMS
)
WMS-FSDI service, layer "Basis for determining Q347"
- OnLine resource
-
ch.bafu.hydrologie-q347
(
OGC:WMTS
)
WMTS-FSDI service, layer "Basis for determining Q347"
- OnLine resource
-
Link to description
(
WWW:LINK
)
Link to description
- OnLine resource
-
-
(
WWW:DOWNLOAD-URL
)
-
- OnLine resource
-
Link to portal
(
CHTOPO:specialised-geoportal
)
Link to portal
- OnLine resource
-
RESTful API from geo.admin.ch
(
ESRI:REST
)
RESTful API from geo.admin.ch
- Geometric object type
- Point
- Reference system identifier
- EPSG:21781
Metadata
- Metadata language
- Deutsch
- Character set
- UTF8
- Hierarchy level
- Dataset
- Date stamp
- 2025-01-22T11:38:53.675Z
- Metadata standard name
-
GM03_2
Metadata author
Responsible party
- Organisation name
-
Federal Office for the Environment / Hydrology Division
- Voice
-
+41 58 464 71 87
- Facsimile
-
+41 58 464 76 81
Address
- City
-
Bern
- Postal code
-
3003
- Country
-
CH
- Electronic mail address
-
hydrologie@bafu.adm hydrologie@bafu.admin.ch
- Protocol
-
WWW:LINK
- Role
- Point of contact
- Last Name
-
BAFU Hydrologie
- Organisation Acronym
-
FOEN
