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Toolik Mineral Nutrition [Welker]



This dataset contains Toolik Mineral Nutrition Data. These data represent long-term (1994-2001) carbon and nitrogen dynamics of leaves of dominant arctic plant species in dry heath (61.43N 39.44E) and moist tussock tundra (61.41N 39.42E) near Toolik Lake, Alaska, under ambient environmental conditions and various experimental climate change scenarios. Experimental climate change scenarios have been implemented at these sites since the fall of 1995. The dataset shows C and N content of leaves of dominant species in dry heath and moist tussock tundra under the four climate change scenarios (ambient snow with ambient temperatures = -S-T; increased snow with ambient temperatures = +S-T; ambient snow with elevated temperatures = -S+T; and increased snow and elevated temperatures = +S+T). The data are currently from 16 June 1994 to 01 August 2000.

Data access

  • ORDER data for delivery by FTP

Additional information

  • 1.0 (2007-11-02)
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Related projects
Spatial Type point
Frequency no set schedule
Language English
ISO Topic Categories
  • climatologyMeteorologyAtmosphere
GCMD Science Keywords Expand keywords
Related links

Temporal coverage

Begin datetime 1994-06-16 00:00:00
End datetime 2000-08-01 23:59:59

Spatial coverage

Map data from IBCSO, IBCAO, and Global Topography.

Maximum (North) Latitude: 68.63, Minimum (South) Latitude: 68.63
Minimum (West) Longitude: -149.59, Maximum (East) Longitude: -149.59

Primary point of contact information

Jeff M. Welker <>

Additional contact information


Welker, J., Fahnestock, J. 2007. Toolik Mineral Nutrition. Version 1.0. UCAR/NCAR - Earth Observing Laboratory. Accessed 13 Jul 2024.

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