Browse Data | 1977 - Wright Valley

Site Information

Site number:
376
Authors:
IBC, GGC
Date recorded:
1977/11/14
Reason Sampled:
Soil biological sample
Description:
Near the Commonwealth Glacier, approximately 3 km from the coast
Altitude:
50 m
Aspect:
Nil
Slope:
0 °
Location Data
Observer IBC GGC
GPS No
Latitude Longitude DMS 77° 34.5' S 163° 22' E 77° 34.5' S 163° 21' E
Latitude Longitude DD -77.575 163.367 -77.575 163.350
Latitude longitude precision DD 0.004 0.008 0.004 0.008
Locality Lower Taylor Valley
Survey USGS Ross Island & Vicinity, 1:250 000

Climate

Soil climate zone:
Coastal Antarctic
Estimated mean annual temperature:
-18 °C
Frozen ground depth:
0 cm
Frozen type:
ice-cemented
Frozen comment:

Geology

Geological setting:
Lower Taylor Valley has a recent landscape resulting from ice retreat from locaal lpine glaciers as well as from withdrawal of Ross I glacial ice from thee McMurdo Sound region; occasional small stream flows provide moist conditions for biological activity
Patterned ground:
Nil
Surface weathering or surface features:

Soil

Soil parent material:
Sandy gravel glacio-fluvial unconsolidated sediments
Previous disturbance:
Probably previous human visitation
Soil weathering stage:
6 1 (Campbell & Claridge 1975)
Soil moisture status:
Biological activity:

Sample Data

Physical Data
Sample nameDepth descriptionTop (cm)Base (cm)Bulk DensityDry Bulk DensityGravimetric MoistureVol. Moisture (BD=2)
376a 0-5cm 0.0 5.0 No
Particle size distribution
Sample name< 2 mm2 - 0.5 mm0.5 - 0.25 mm0.25 - 0.1 mm0.1 - 0.05 mm0.05 - 0.02 mm0.02 - 0.002 mm< 0.002 mmFe2O3CaCO3Notes
376a
Clay Mineralogy
Sample nameMicaIHMHIV - IHMICHLVTHIVCHLSMCHL SMFE - CHLHTQTZFLDHBCALNotes
376a :

Photos

Photo record:
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