On the floor of Wright Valley, in the South Fork at Don Juan Pond; the sample site is near the western end; near a wet area with extensive salt precipitations
Altitude:
175 m
Aspect:
Nil
Slope:
0 °
Location Data
Observer
IBC
GGC
GPS
No
Latitude Longitude DMS
77° 34' S 161° 10' E
77° 34' S 161° 13' E
Latitude Longitude DD
-77.567 161.17
-77.567 161.217
Latitude longitude precision DD
0.008 0.08
0.008 0.008
Locality
Wright Valley, McMurdo Dry Valley region, near Lake Vanda
Survey
USGS 1:50,000 Antarctic Topo. Ser. Lake Vanda Quadrangle
Climate
Soil climate zone:
Central Mountain
Estimated mean annual temperature:
-23
°C
Frozen ground depth:
0 cm
Frozen type:
Frozen comment:
Geology
Geological setting:
Don Juan Pond is a saline calcium chloride enriched hollow which varies in wetness, but at the time of sampling was wet only in a small area;
Patterned ground:
Nil
Surface weathering or surface features:
Extensive surface salt precipitations
Soil
Soil parent material:
Salt samples only
Previous disturbance:
Nil at site; the area was examined previously by many people