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Stable water isotopes

The stable isotopes deuterium (²H) and oxygen-18 (¹⁸O) are used as tracers in the water cycle and enable monitoring of climate-related changes. The Global Climate Observing System GCOS Switzerland has used deuterium and oxygen-18 as official climate parameters since 2007. The International Atomic Energy Agency IAEA coordinates the isotopic measurements globally and manages the Global Network of Isotopes in Precipitation GNIP and the Global Network of Isotopes in Rivers GNIR. Status and trend of the stable water isotopes in precipitation and surface waters are collected in Switzerland within the framework of the ISOT module of the National Groundwater Monitoring NAQUA and are used to reference groundwater recharge. The monitoring network of the ISOT module currently includes 22 monitoring sites and is operated by the FOEN in close collaboration with the GCOS and the IAEA.



Source: National Groundwater Monitoring NAQUA, Federal Office for the Environment.

Simple

Alternate title

NAQUA-ISOT Monitoring sites

Date (Creation)
2009-01-01
Date (Revision)
2019-12-31
Identifier
ch.bafu.naqua-isot_messstellen

Owner

Federal Office for the Environment / Hydrology Division - BAFU Hydrologie
Bern
3003
CH
+41 58 464 71 87
+41 58 464 76 81 (facsimile)
https://www.bafu.admin.ch/en/hydrology-division
Topic category
  • I Inland waters

Extent

Extent

Description

Switzerland

N
S
E
W








Maintenance and update frequency
Unknown
GEMET
  • water (geographic)

  • groundwater protection

  • groundwater

geocat.ch
  • GEWISS

  • FSDI Federal Spatial Data Infrastructure

Resource constraints

Use constraints
Other restrictions
Other constraints

Keine Einschränkungen

Associated resource

Title

Stable water isotopes

Association Type
Reference to a master resource of which this one is a part
Language
Deutsch
Character encoding
UTF8
Basic Geodata
true
Basic Geodata ID

133.1

Basic Geodata Legal Level
Federal
Distribution format
  • ESRI Shapefile (SHP)

Digital transfer options

OnLine resource

https://www.bafu.admin.ch/isot-module

Link to description

Digital transfer options

OnLine resource

http://map.bafu.admin.ch

Link to portal

Geometric object type
Point
Reference system identifier
LV95 EPSG:2056

Metadata

Metadata identifier
68fc24ca-f3a4-45a2-8088-394d6f214c81

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

Custodian

Federal Office for the Environment / GIS service - BAFU GIS (GIS service)
Bern
3003
CH
+41 58 464 21 59
https://www.bafu.admin.ch/en/it-s-section

Owner

Federal Office for the Environment / Hydrology Division - BAFU Hydrologie
Bern
3003
CH
+41 58 464 71 87
+41 58 464 76 81 (facsimile)
https://www.bafu.admin.ch/en/hydrology-division

Type of resource

Resource scope
Dataset
Metadata linkage

https://www.geocat.ch/geonetwork/srv/api/records/68fc24ca-f3a4-45a2-8088-394d6f214c81

Date info (Creation)
2020-03-16T13:41:59Z
Date info (Revision)
2026-06-15T07:55:31.979534Z

Metadata standard

Title

eCH-0271

 
 

Spatial extent

Keywords

GEMET

groundwater groundwater protection water (geographic)
geocat.ch

FSDI Federal Spatial Data Infrastructure GEWISS


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Access to the catalogue
Read here the full details and access to the data.




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