{"id":354,"name":"Alert 1","description":"<p>MEAN ANNUAL GROUND TEMPERATURE AT OR NEAR DEPTH OF ZERO ANNUAL AMPLITUDE (&deg;C) &ndash; report&nbsp; value for most recent year or 12 month interval&nbsp; <strong>-11.72 &deg;C</strong></p>\n\n\n\n<p>Depth of zero annual amplitude (or depth of measurement reported above)&nbsp; (m) <strong>24.38 m </strong></p>\n\n\n\n<p>Year or 12 month interval for mean reported above <strong>2000</strong></p>\n\n\n\n<p>Range (if applicable) of mean annual ground temperature over observation period (&deg;C)</p>\n\n\n\n<p><strong>-12.3 to &ndash;11.72&nbsp; (1979-2000)</strong></p>\n\n\n\n<p>&nbsp;</p>\n\n\n\n<p>Closest Weather Station : <strong>Alert 82.518&deg;N 62.281&deg;W</strong></p>\n\n\n\n<p>&nbsp;</p>\n\n\n\n<p>&nbsp;</p>\n\n\n\n<p>AIR TEMPERATURE AND SNOW COVER THICKNESS/DENSITY MEASUREMENTS AT THE BOREHOLE SITE (indicate frequency of observations):</p>\n\n\n\n<p>Air temperature:&nbsp;Yes [ ]&nbsp;No [<strong>x</strong>]&nbsp;&nbsp; Snow thickness:&nbsp;Yes[<strong>x</strong>]&nbsp;No[&nbsp;] <strong>monthly-quarterly</strong> Density:&nbsp;Yes [&nbsp;]&nbsp;No[<strong>x</strong>]</p>\n\n","site_id":360,"site_name":"Ellesmere Island","country_name":"Canada","active":false,"has_data":true,"date_start":"1978-07-02T00:00:00","date_end":"2014-07-02T00:00:00","datasets_count":1,"timezone":"-05:00","created":"2024-08-21T12:14:26.356456","modified":"2026-05-15T11:42:59.189075","accessibility":{"type":"truck from CFS Alert ","distance_from_road":null},"disturbance":{"disturbance":{"type":null,"distance":null},"disturbance_other":{"type":null,"distance":null}},"location":{"elevation":64.73867798,"latitude":82.5,"longitude":-62.41666667},"contacts":[{"orcid":null,"first_name":"Mark","last_name":"Nixon","role":"","position":"","address":{"address":"601 Booth St.,","zip":"Ontario, K1A 0E8","city":"Ottawa","country":"Canada","phone":"(613) 992-2469","url":"","email":"mnixon@gsc.nrcan.gc.ca"}},{"orcid":null,"first_name":"Sharon","last_name":"Smith","role":"Investigator","position":"","address":{"address":"Geological Survey of Canada Natural Resources Canada, 601 Booth St.","zip":"K1A 0E8","city":"Ottawa","country":"Canada","phone":"+(1)-613 947-7066","url":"","email":"ssmith@nrcan.gc.ca"}},{"orcid":null,"first_name":"Margo","last_name":"Burgess","role":"","position":"","address":{"address":" Geological Survey of Canada, 601 Booth St.","zip":"K1A 0E8","city":"Ottawa","country":"Canada","phone":"","url":"","email":"mburgess@nrcan.gc.ca"}}],"generic_citation":"Mark Nixon, Sharon Smith, Margo Burgess: Permafrost Temperature (PT) at \"Alert 1\" (Canada). Additional Code: CA 42, GTN-P PID: pt/354.","citations":[],"related_publications":[],"pictures":[],"environmental_setting":{"slope":2.0,"aspect":90.0,"vegetation_type":"Polar Desert","vegetation":"Polar desert ","hydrology":null,"landform":"Marine sediments","lithology":"0-3.8m Overburden (silt, sand) and shattered rock, 3.8-61m Argillite ","morphology":null,"description":null,"prior_records":"Starting 1978 monthly-quarterly"},"permafrost_setting":{"permafrost_thickness":">600","permafrost_zone":"Continuous","zero_annual_amplitude":null},"gtnp_code":"CA 42","additional_code":null,"drilling":{"drilling_method":null,"date_drilled":"1978-01-01T00:00:00","depth":60.96,"drilling_angle":90.0,"diameter":null,"deepest_sensor":60.96},"datasets":[{"id":2076,"data_access":"https://data.gtn-p.org/api/data?pt_data=2076&combined=false","description":null,"policy":"Open","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":"Average","frequency":"Annually","borehole_id":354,"statistics":{"date_start":"1978-07-02T00:00:00","date_end":"2014-07-02T00:00:00","min_value":-12.3,"max_value":-10.98531507,"avg_value":-11.783642335428574,"data_points":37,"null_values":2,"max_depth":24.4,"sensors_count":1,"day_count":37}}]}