BOREHOLE METADATA FORM (10/2006)

 

BOREHOLENAME Arctic Village

 

COUNTRYUSA

 

LATITUDEAND LONGITUDE  (degrees, minutes)

xx¼21.709N - 147¼23.557W

 

BOREHOLEDEPTH (m) AND MEASUREMENT INTERVAL IF DIFFERENT FROM DEPTH 5m (AT, GT 0,0.5, 1, 2, 3, 4, 5 m)

 

YEARDRILLED March 27, 2007

 

METHODOF DRILLING 2ÓSS auger with gas power head

 

DURATIONOF DRILLING (hours/days) 1 day

 

TYPEOF AND DISTANCE FROM HEAT SOURCES (surface disturbance, m)                   

Natural[ ] no disturbance [ ] lake           [ ] river       [] othernatural disturbance (describe)

[] anthropogenic (describe type of disturbance; pipeline, storage area,reservoir, etc.)

about 250m from river terrace (cliff)

 

PERIODOF PRIOR MEASUREMENTS AND FREQUENCY (starting date; annually, monthly, weekly,or daily etc.) Starting in 2007 (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[] Sporadic [ ]

Isolated[ ]         Mountain[ ]

 

PERMAFROST           [x] PRESENT              [] ABSENT

  

PERMAFROSTTHICKNESS (if known, m)

 

MEANANNUAL GROUND TEMPERATURE AT OR NEAR DEPTH OF ZERO ANNUAL AMPLITUDE (¡C)Ð report  value for mostrecent year or 12 month interval    -4 ¡C

 

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

3m  (not zero amp.)

 

 

 

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

 

 

ELEVATION(above sea level , m) ca.  m

 

SITESLOPE (angle, aspect)   levellocation

 

SITETOPOGRAPHY AND LOCAL RELIEF [X]Valley  [ ]Top of hill or ridge  [  ]Plain

Localrelief (m)

 

LANDFORMOR GEOMORPHOLOGICAL DESCRIPTION AND HISTORY  OF SITE (age)

glaciated fluvial plain:

 

GEOLOGY(brief description of bedrock, sediments, including types and estimate of icecontent volume [high, medium, low])

Organic layer was around 0.2m. sand 0.2-5m

 

DOMINANTSITE VEGETATION    

[] Polar desert []Tundra  [] ShrubTundra [ ] Forest Tundra [X]Coniferous Forest  open

[ ]Deciduous Forest [ ] Grassland [ ] Other (describe)

 

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.) trail

Distancefrom road access (km) 0.02 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)