Alert 4

Created: 2014-01-09 15:55:12
Modified: 2016-10-20 15:12:02

MEAN ANNUAL GROUND TEMPERATURE AT OR NEAR DEPTH OF ZERO ANNUAL AMPLITUDE (°C) – report  value for most recent year or 12 month interval  15.65 °C

Depth of zero annual amplitude (or depth of measurement reported above)  (m) 15.24 m

Year or 12 month interval for mean reported above 1987

Range (if applicable) of mean annual ground temperature over observation period (°C)

-15.07 to –15.65°C (1979-1987)

NAME AND LOCATION OF CLOSEST CLIMATE STATION (latitude, longitude, and distance from borehole, km) – provide (if available) mean monthly air temperature and snow depth of reporting interval for mean annual ground temperature

Alert 82.518°N 62.281°W

AIR TEMPERATURE AND SNOW COVER THICKNESS/DENSITY MEASUREMENTS AT THE BOREHOLE SITE (indicate frequency of observations):

Air temperature: Yes [x] No [] daily  Snow thickness: Yes[x] No[ ] monthly-quarterly Density: Yes [ ] No[x]