{"id":49,"name":"UNISCALM","description":"<p>The ALT values are presented in summary table. For details on site description and instrumentation contact site investigator directly.</p>\n\n\n\n<p>The site is a part of <strong><a href=\"http://www.tspnorway.com/\" target=\"_blank\">TSP NORWAY: Thermal State of Permafrost in Norway and Svalbard</a></strong></p>\n\n","site_id":25,"site_name":"Svalbard ","country_name":"Svalbard","active":false,"has_data":true,"date_start":"2011-08-23T00:00:00","date_end":"2018-08-17T00:00:00","datasets_count":1,"timezone":"+01:00","created":"2024-08-26T10:02:45.926886","modified":"2026-05-13T12:05:48.742015","accessibility":{"type":null,"distance_from_road":null},"disturbance":{"disturbance":{"type":null,"distance":null},"disturbance_other":{"type":null,"distance":null}},"location":{"elevation":38.10933304,"latitude":78.2,"longitude":15.75},"contacts":[{"orcid":null,"first_name":"Ole","last_name":"Humlum","role":"","position":"","address":{"address":"The University Courses on Svalbard (UNIS), P.O. Box 156,","zip":"N9170","city":"Longyearbyen","country":"Norway","phone":"+47 79 02 33 00 (department); +47 79 02 33 20 (direct)","url":"","email":"oleh@unis.no"}}],"generic_citation":"Ole Humlum: Active Layer Thickness (ALT) at \"UNISCALM\" (Svalbard). CALM Code: N3, GTN-P PID: alt/49.","citations":[],"related_publications":[],"pictures":[{"id":39,"filename":"52e23d2a-bc1c-4b6d-8b54-72ddd41efdc6.jpeg","name":"N3 UNISCALM","description":"","created":"2024-09-09T11:01:03.821209","modified":"2014-01-24T10:15:06"}],"environmental_setting":{"slope":25.0,"aspect":28.8,"vegetation_type":"Tundra","vegetation":"Dominant willow","hydrology":null,"landform":"Flat terrace-like loess deposit","lithology":"Dominant willow","morphology":null,"description":null},"permafrost_setting":{"permafrost_zone":"Continuous"},"calm_code":"N3","measurement":{"measurement_type":"Grid","nodes":121,"grid_y":11,"grid_x":11,"length":null,"grid_offset":10.0,"depth":null},"datasets":[{"id":1505,"data_access":"https://data.gtn-p.org/api/data?alt_data=1505&combined=false","description":null,"policy":"Open","quality":"Quality Controlled Data","medium":"Soil","created":"2024-08-26T10:04:25.707594","modified":"2026-03-03T11:59:45.978972","variable":"Active Layer Thickness (grid/transect)","unit":{"name":"Centimeter","abbreviation":"cm"},"method":{"name":"Mechanical Probing","description":"Measurements by gradual metal rod collected manually"},"datatype":"Sporadic","frequency":"As Needed","activelayer_id":49,"statistics":{"date_start":"2011-08-23T00:00:00","date_end":"2018-08-17T00:00:00","min_value":58.0,"max_value":123.0,"avg_value":103.29752066115702,"data_points":968,"null_values":0,"min_offset_x":0.0,"max_offset_x":100.0,"offset_x_count":11,"min_offset_y":0.0,"max_offset_y":100.0,"offset_y_count":11,"day_count":8}}]}