BOREHOLE METADATA FORM
BOREHOLENAME Longyearbyen school
COUNTRY
Norway (Svalbard)
LATITUDEAND LONGITUDE (degrees, minutes)
N 78º12’32.2’’ – E 015º36’22.9’’
BOREHOLEDEPTH (m) AND MEASUREMENT INTERVAL IF DIFFERENT FROM DEPTH
9.8m (no AT yet, GT (preliminary) 0.15, 1.15, 2.15, 3.15, 4.15, 5.15, 6.15, 7.15, 8.15, 9.15m)
YEARDRILLED Febr. 28 2008
METHODOF DRILLING drill rig, hammer, 76mm drill bit
DURATIONOF DRILLING (hours/days) c. 5 hrs
TYPEOF AND DISTANCE FROM HEAT SOURCES (surface disturbance, m)
Natural[ ] no disturbance [ ] lake
[x] river
[] othernatural disturbance (describe)
[] anthropogenic (describe type of disturbance; pipeline, storage area,reservoir, etc.)
About 150-200 m from river
PERIODOF PRIOR MEASUREMENTS AND FREQUENCY (starting date; annually, monthly,
weekly,or daily etc.) Starting Febr 28 2008 (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.) 10-channel logger and 10 sensors with 1m spacing along cable. Hole is
cased with PVC tube (40 mm diam.). Tube is air-filled.
PERMAFROSTZONE
Isolated[ ]
Mountain[ ]
PERMAFROST
Continuous[x]
[x] PRESENT
Discontinuous[]
Sporadic [ ]
[] ABSENT
PERMAFROSTTHICKNESS (if known, m) anticipated 50-100m
MEANANNUAL GROUND TEMPERATURE AT OR NEAR DEPTH OF ZERO ANNUAL
AMPLITUDE (°C)– report value for mostrecent year or 12 month interval no data yet
Depthof zero annual amplitude (or depth of measurement reported above) (m)
No data yet
Range(if applicable) of mean annual ground temperature over observation period (°C)
No data yet
ELEVATION(above sea level , m) 68 m (GPS)
SITESLOPE (angle, aspect) approx. level
SITETOPOGRAPHY AND LOCAL RELIEF [ ]Valley [ ]Top of hill or ridge [ X ]Plain
Localrelief (m)
LANDFORMOR GEOMORPHOLOGICAL DESCRIPTION AND HISTORY OF SITE (age)
Valleybottom, glaciofluvial river plain of most probably Holocene age. The river has since
development of Longyearbyen 100 yrs ago been artificially kept in its present channel 150200m away.
GEOLOGY(brief description of bedrock, sediments, including types and estimate of icecontent
volume [high, medium, low]) Glaciofluvial deposit. Ice lenses (some cm thick) occur frequently
from 1.2 m depth and to the bottom of the hole.
DOMINANTSITE VEGETATION
[] Polar desert [x]Tundra [] ShrubTundra [ ] Forest Tundra []Coniferous Forest
[ ]Deciduous Forest [ ] Grassland [ ] Other (describe)
AIRTEMPERATURE AND SNOW COVER THICKNESS/DENSITY MEASUREMENTS AT
THE BOREHOLE SITE(indicate frequency of observations):
Airtemperature: Yes [will come later ] No [ ] hourly Snow thickness: Yes[ ] No[x]
Density: Yes [ ] No[x]
ACCESSIBILITYOF THE BOREHOLE
Modeof transportation (helicopter, road, offroad vehicle, river, etc.) walk
Distance from road access (km) 0.2 km from school
NAMEAND LOCATION OF CLOSEST CLIMATE STATION (latitude, longitude, and distance
fromborehole, km) – provide (if available) mean monthly air temperature andsnow depth of
reporting interval for mean annual ground temperature
Svalbard airport (5-6 km)
Gruvefjellet (not official)
Adventdalen (not official)
OTHERCOMMENTS: (use additional space)