{"id":33,"name":"Barrow 1 (N Meadow Lake 1 NM1)","description":"

Mean annual air temp. -9.04ºC (2001)
\n\nSnow depth 28.7 cm (April 2002).

\n\n\n\n\n\n\t\n\n\t\t\n\n\t\t\t\n\n\t\t\t\n\n\t\t\n\n\t\t\n\n\t\t\t\n\n\t\t\t\n\n\t\t\n\n\t\t\n\n\t\t\t\n\n\t\t\t\n\n\t\t\n\n\t\n\n
MAGT (C)-8,5
MAGT_DEPTH (m)20,0
MAGT_DATE2009
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MEAN ANNUAL GROUND TEMPERATURE AT OR NEAR DEPTH OF ZERO ANNUAL AMPLITUDE (°C) – report  value for most recent year or 12 month interval -8.5 ºC (May 3, 2002 10m depth ground temp.)

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Depth of zero annual amplitude (or depth of measurement reported above)  (m) Around 10m

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AIR TEMPERATURE AND SNOW COVER THICKNESS/DENSITY MEASUREMENTS AT THE BOREHOLE SITE (indicate frequency of observations): Air temperature: Yes [ ] No [X]    Snow thickness: Yes[ ] No[X]   Density: Yes [ ] No[X]  We will plan to install air temp. summer of 2002.

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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

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Climate Monitoring & Diagnostics Laboratory (CMDL) (NOAA) 71.323 ºN, 156.609ºW  2.4km from borehole

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Mean annual air temp. -9.04ºC (2001)

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Snow depth 28.7 cm (April 2002)

\n\n","site_id":2,"site_name":"Barrow","country_name":"United States","active":true,"has_data":true,"date_start":"2006-09-22T00:00:00","date_end":"2013-05-31T00:00:00","datasets_count":2,"timezone":"-09:00","created":"2024-08-21T12:14:26.356456","modified":"2026-10-30T13:12:01.318591","accessibility":{"type":"Walk","distance_from_road":2000.0},"disturbance":{"disturbance":{"type":"Lake","distance":100.0},"disturbance_other":{"type":null,"distance":null}},"location":{"elevation":6.40087795,"latitude":71.309033,"longitude":-156.661517},"contacts":[{"orcid":"https://orcid.org/0000-0002-9515-2087","first_name":"Vladimir E.","last_name":"Romanovsky","role":"Investigator","position":"","address":{"address":"903 Koyukuk Drive, P.O.Box 757320 ","zip":"99775","city":"Fairbanks","country":"USA","phone":"(907)474-7459","url":null,"email":"veromanovsky@alaska.edu"}},{"orcid":null,"first_name":"Alexander L.","last_name":"Kholodov","role":"","position":"","address":{"address":"Geophysical Institute University of Alaska Fairbanks 903 Koyukuk Drive","zip":"","city":"Fairbanks","country":"USA","phone":"1 (907) 474-7698","url":"","email":"akholodov@gi.alaska.edu"}},{"orcid":"https://orcid.org/0000-0001-5935-2041","first_name":"Kenji","last_name":"Yoshikawa","role":"Technical Contact","position":"","address":{"address":"University of Alaska Institute of Northern Engineering","zip":"99775","city":"Fairbanks","country":"USA","phone":"","url":"","email":"kyoshikawa@alaska.edu"}},{"orcid":null,"first_name":"Thomas E.","last_name":"Osterkamp","role":"","position":"","address":{"address":"903 Koyukuk Drive","zip":"903","city":"Fairbanks","country":"United States","phone":"+1 9074747459","url":"https://permafrost.gi.alaska.edu/","email":"ffteo@uaf.edu"}},{"orcid":"https://orcid.org/0000-0002-7951-3946","first_name":"William","last_name":"Cable","role":"Germany National Correspondent","position":"Engineer","address":{"address":"Telegrafenberg, A45","zip":"14473","city":"Potsdam","country":"Germany","phone":"+493312882200","url":"","email":"bill.cable@awi.de"}}],"generic_citation":"Vladimir E. Romanovsky, Alexander L. Kholodov, Kenji Yoshikawa, Thomas E. Osterkamp, William Cable: Permafrost Temperature (PT) at \"Barrow 1 (N Meadow Lake 1 NM1)\" (United States). Code: BR2, GTN-P PID: pt/33.","citations":[],"related_publications":[],"pictures":[{"id":296,"filename":"530c62b4-3000-4833-96f6-062fd41efdc6.gif","name":"Barrow-2a","description":"","created":"2024-09-09T11:01:03.821209","modified":"2014-02-25T09:30:28"},{"id":297,"filename":"530c62c0-19b0-4c4c-a395-0815d41efdc6.gif","name":"Barrow-2b","description":"","created":"2024-09-09T11:01:03.821209","modified":"2014-02-25T09:30:40"},{"id":298,"filename":"530c62cb-dc6c-4618-a882-0887d41efdc6.gif","name":"Barrow-2c","description":"","created":"2024-09-09T11:01:03.821209","modified":"2014-02-25T09:30:52"},{"id":299,"filename":"530c62d8-e63c-48ba-9681-062fd41efdc6.gif","name":"Barrow-1","description":"","created":"2024-09-09T11:01:03.821209","modified":"2014-02-25T09:31:04"}],"environmental_setting":{"slope":0.0,"aspect":0.0,"vegetation_type":"Tundra","vegetation":"Tundra","hydrology":null,"landform":"Ice wedge polygons are located surround this area incl. beach ridge.","lithology":"The Gubik formation (Barrow, and Skull Cliff units) is recognized. Upper 10-15m (Barrow unit) is mainly sand (below beach gravel 5-6m thick) and Skull Cliff unit contain silt-sand-clay with brine. Upper layer contain ice wedge ice (high ice content).","morphology":"Old beach ridge","description":null,"prior_records":"03/05/2002"},"permafrost_setting":{"permafrost_thickness":null,"permafrost_zone":"Continuous","zero_annual_amplitude":null},"gtnp_code":"US 49","additional_code":"BR2","drilling":{"drilling_method":"Air Rotary","date_drilled":"2002-04-26T00:00:00","depth":48.0,"drilling_angle":90.0,"diameter":null,"deepest_sensor":1.8},"datasets":[{"id":36,"data_access":"https://data.gtn-p.org/id/pt-ds/36?format=csv","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","description":null,"quality":"Unknown","medium":"Unknown","created":"2024-08-21T14:17:30.639478","modified":"2024-12-11T13:05:47.665493","variable":"Air Temperature","unit":{"name":"Degree Celsius","abbreviation":"degC"},"method":{"name":"Thermistor Automated","description":"Measurements from a thermistor that are collected with a datalogger or other recording device."},"datatype":"Constant Over Interval","frequency":"3 hours","borehole_id":33,"is_retired":false,"statistics":{"date_start":"2011-06-01T00:00:00","date_end":"2013-05-31T00:00:00","min_value":-40.174,"max_value":13.2088,"avg_value":-13.296969711538459,"data_points":731,"null_values":107,"max_depth":-2.0,"sensors_count":1,"day_count":731}},{"id":28,"data_access":"https://data.gtn-p.org/id/pt-ds/28?format=csv","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","description":null,"quality":"Quality Controlled Data","medium":"Soil","created":"2024-08-21T14:17:30.639478","modified":"2024-12-11T13:05:47.665493","variable":"Ground Temperature","unit":{"name":"Degree Celsius","abbreviation":"degC"},"method":{"name":"Thermistor Automated","description":"Measurements from a thermistor that are collected with a datalogger or other recording device."},"datatype":"Constant Over Interval","frequency":"Daily","borehole_id":33,"is_retired":false,"statistics":{"date_start":"2006-09-22T00:00:00","date_end":"2013-05-31T00:00:00","min_value":-29.123,"max_value":15.1302,"avg_value":-7.658863234879687,"data_points":37739,"null_values":2257,"max_depth":15.0,"sensors_count":63,"day_count":2444}}]}