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Rhonda Basin

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General Information

Created: 2015-11-23 16:57:39
Modified: 2015-11-25 08:52:22

Active: No
Country:United States
Site:Seward Peninsula
Site Description:Seward Peninsula, Northwestern Alaska
TC-Code:SePe-1
Responsible Countries: United States, Germany,
Timezone:UTC/GMT -09:00 hours
Vegetation Type:Tundra
Responsible Person:Guido Grosse

Installed for Western Alaska Landscape Conservation Cooperative project WALCC-02.

Undisturbed data available from 20 June 2011 to 13 September 2011.

First bear attack on 13 September 2011 resulted in all sensors being moved upwards by 65cm (still measuring); data available until 19 July 2012.

Second bear attack led to destruction of data logger and sensor cables and decommissioning of borehole.

Depth:3 m
Drilling Angle:90 °
Diameter:2 cm
Deepest Sensor:3 m
Drilling Method:Battery-powered drill with hardened drill bits
Date Drilled:20. Jun 2011
Type:Helicopter, floatplane, boat
Type:Two bear attacks. First resulted in sensor upward movement, second to destruction of dataloggers and cables.
Other Disturbance:Sensors were pulled by bear, moving all sensors upwards by 65cm on 13. September 2011 (deepest sensor then only at 2.35m)
Aspect:0 °
Permafrost Zone:Continuous
Vegetation:Lowland wet tundra in ice wedge low centre polygons
Landform:Drained thermokarst lake basin
Lithology:Peat at surface, ice-rich silt, some thin tephra layers
Morphology:Low centre ice wedge polygons
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Bibliographic References

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Map

Longitude:-164.48087 °
Latitude:66.5653 °
Elevation:66.52677155 m
EPSG:4326
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