BOREHOLE METADATA FORM (09/2006)
BOREHOLENAME
Kivalina School
COUNTRYUSA
LATITUDEAND LONGITUDE (degrees, minutes)
N71¼17.432 - W 156¼45.999
BOREHOLEDEPTH (m) AND MEASUREMENT INTERVAL IF DIFFERENT FROM DEPTH 6m (AT, GT 0,0.5, 1.5, 2.5, 3.5, 4.5, 5.5m)
YEARDRILLED April 20, 2006
METHODOF DRILLING 2ÓSS auger with electric head
DURATIONOF DRILLING (hours/days) 1 day
TYPEOF AND DISTANCE FROM HEAT SOURCES (surface disturbance, m)
Natural[ ] no disturbance [X] lake [ ] river [ ] other natural disturbance(describe)
[] anthropogenic (describe type of disturbance; pipeline, storage area,reservoir, etc.)
PERIODOF
PRIOR MEASUREMENTS AND FREQUENCY (starting date; annually, monthly, weekly,or daily etc.) Starting
in 2006 (hourly by logger)
METHODOF TEMPERATURE MEASUREMENT (thermistor probe, permanent cable [provide numberof sensors and nominal depth], fluid filled hole and its level, diameter andtype of casing , depth of casing, etc.) 8 Cable with two loggers
1Ódry
PVC tube
PERMAFROSTZONE Continuous[X] Discontinuous[x ] Sporadic[ ]
Isolated[ ] Mountain[ ]
PERMAFROST [x] PRESENT [] ABSENT
PERMAFROSTTHICKNESS (if known, m) 500 -600 m
MEANANNUAL
GROUND TEMPERATURE AT OR NEAR DEPTH OF ZERO ANNUAL AMPLITUDE (¡C)Ð report value
for mostrecent year or 12 month interval -9 ¡C
Depthof zero annual amplitude (or depth of measurement reported above) (m)
15m (not
zero amp.)
Range(if applicable) of mean annual ground temperature over observation period (¡C)
ELEVATION(above sea level , m) ca. 2m
SITESLOPE (angle, aspect) levellocation
SITETOPOGRAPHY AND LOCAL RELIEF [ ]Valley [ ]Top of hill or ridge [x ]Plain
Localrelief (m)
LANDFORMOR GEOMORPHOLOGICAL DESCRIPTION AND HISTORY OF SITE (age)
GEOLOGY(brief description of bedrock, sediments, including types and estimate of icecontent volume [high, medium, low])
About 50m SSE of lagoon. Organic layer wasaround 0.1m. Silt 0.1-3.5m
Pebble3.5-3.8m,
Silt 3.8-5.6m, Pebble 5.6-5.8m, Sand 5.8-6m
DOMINANTSITE VEGETATION
[]
Polar desert [X]Tundra [ ] ShrubTundra
[ ] Forest Tundra [ ]
[ ]
AIRTEMPERATURE AND SNOW COVER THICKNESS/DENSITY MEASUREMENTS AT THE BOREHOLE SITE(indicate frequency of observations):
Airtemperature: Yes [x ] No [ ] hourly Snow thickness: Yes[ ] No[x] Density: Yes [ ] No[x ]
ACCESSIBILITYOF THE BOREHOLE
Modeof transportation (helicopter, road, offroad vehicle, river, etc.) road
Distancefrom road access (km) 0.03 km
NAMEAND LOCATION OF CLOSEST CLIMATE STATION (latitude, longitude, and distance fromborehole, km) Ð provide (if available) mean monthly air temperature andsnow depth of reporting interval for mean annual ground temperature
OTHERCOMMENTS:
(use additional space)