GLOBAL TERRESTRIAL NETWORK - PERMAFROST (GTNet-P)
BOREHOLE METADATA FORM (01/2000)

Return by email to: 
English Forms	Margo Burgess  mburgess@nrcan.gc.ca  and
Sharon Smith ssmith@nrcan.gc.ca
Russian Forms	Vlad Romanovsky ffver@aurora.alaska.edu  


BOREHOLE NAME

COUNTRY

LATITUDE AND LONGITUDE  (degrees, minutes, seconds if available)

BOREHOLE DEPTH (m) AND MEASUREMENT INTERVAL IF DIFFERENT FROM DEPTH

YEAR DRILLED
 
METHOD OF DRILLING
 
DURATION OF DRILLING (hours/days)

TYPE OF AND DISTANCE FROM HEAT SOURCES (surface disturbance, m)		
Natural [ ] no disturbance [ ] lake	 [ ] river       [ ] other natural disturbance (describe)
[ ] anthropogenic (describe type of disturbance; pipeline, storage area, reservoir, etc.)
 
PERIOD OF PRIOR MEASUREMENTS AND FREQUENCY (starting date; annually, monthly, weekly, or daily etc.)

METHOD OF TEMPERATURE MEASUREMENT (thermistor probe, permanent cable [provide number of sensors and nominal depth], fluid filled hole and its level, diameter and type of casing , depth of casing, etc.)

PERMAFROST ZONE	Continuous [ ]		Discontinuous [ ]	Sporadic [ ]
Isolated [ ]	Mountain [ ]

PERMAFROST	[ ] PRESENT		[ ] ABSENT
  
PERMAFROST THICKNESS (if known, m)


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

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

Year or 12 month interval for mean reported above

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


ELEVATION (above sea level , m)

SITE SLOPE (angle, aspect)

SITE TOPOGRAPHY AND LOCAL RELIEF [ ]Valley  [ ]Top of hill or ridge  [ ]Plain
Local relief (m)

LANDFORM OR GEOMORPHOLOGICAL DESCRIPTION AND HISTORY  OF SITE (age)

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

DOMINANT SITE VEGETATION	
[ ] Polar desert [ ]Tundra  [ ] Shrub Tundra [ ] Forest Tundra  [ ]Coniferous Forest  
[ ] Deciduous Forest [ ] Grassland [ ] Other (describe)

AIR TEMPERATURE AND SNOW COVER THICKNESS/DENSITY MEASUREMENTS AT THE BOREHOLE SITE (indicate frequency of observations): 
Air temperature: Yes [ ] No [ ]    Snow thickness: Yes[ ] No[ ]   Density: Yes [ ] No[ ]

ACCESSIBILITY OF THE BOREHOLE	
Mode of transportation (helicopter, road, offroad vehicle, river, etc.)

Distance from road access (km)		 

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 

RESPONSIBLE INDIVIDUAL(S) AND ORGANIZATION FOR DATA COLLECTION (complete mailing address, email and fax addresses)

RELEVANT PUBLICATIONS (complete citation, use additional space)

OTHER COMMENTS: (use additional space)