{"corpus_id":42062700,"paper_sha":"98c1c2b6444a740a2c028887890874de6fca41c4","doi":"10.1002/2017GL075434","arxiv_id":null,"pmid":null,"pmcid":null,"mag_id":2761240152,"dblp_id":null,"acl_id":null,"title":"Ice and Snow Thickness Variability and Change in the High Arctic Ocean Observed by In Situ Measurements","year":2017,"publication_date":"2017-10-28","venue":"","journal":{"name":"Geophysical Research Letters","pages":"10,462 - 10,469","volume":"44"},"journal_issn":null,"journal_title":null,"publication_types":[],"pubmed_pub_types":null,"s2_fields_of_study":["Geology","Environmental Science"],"reference_count":29,"citation_count":49,"influential_citation_count":4,"is_open_access":true,"arxiv_categories":null,"arxiv_license":null,"arxiv_journal_ref":null,"mesh_headings":null,"chemicals":null,"comments_corrections":null,"source_flags":1,"s2_open_access_pdf_url":"https://agupubs.onlinelibrary.wiley.com/doi/pdfdirect/10.1002/2017GL075434","s2_open_access_landing_url":"https://www.semanticscholar.org/paper/98c1c2b6444a740a2c028887890874de6fca41c4","s2_open_access_license":"CCBYNCND","s2_open_access_status":"HYBRID","pmc_open_access_pdf_url":null,"pmc_open_access_landing_url":null,"pmc_open_access_license":null,"pmc_open_access_status":null,"unpaywall_open_access_pdf_url":null,"unpaywall_open_access_landing_url":null,"unpaywall_open_access_license":null,"unpaywall_open_access_status":null,"abstract":"In April 2017, we collected unique, extensive in situ data of sea ice and snow thickness. At 10 sampling sites, located under a CryoSat‐2 overpass, between Ellesmere Island and 87.1°N mean and modal total ice thicknesses ranged between 2 to 3.4 m and 1.8 to 2.9 m, respectively. Coincident snow thicknesses ranged between 0.3 to 0.47 m (mean) and 0.1 to 0.5 m (mode). The profile spanned the complete multiyear ice zone in the Lincoln Sea, into the first‐year ice zone farther north. Complementary snow thickness measurements near the North Pole showed a mean thickness of 0.31 m. Compared with scarce measurements from other years, multiyear ice was up to 0.75 m thinner than in 2004, but not significantly different from 2011 and 2014. We found excellent agreement with a commonly used snow climatology and with published long‐term ice thinning rates. There was reasonable agreement with CryoSat‐2 thickness retrievals.","claims":[{"public_id":"cl_cdb66b443ad21e6c35f1fae8047d5a20","status":"active","text":"Coincident snow thicknesses at the sampling sites ranged from 0.3 to 0.47 m by mean and from 0.1 to 0.5 m by mode.","confidence":0.99,"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/claims/cl_cdb66b443ad21e6c35f1fae8047d5a20"},{"public_id":"cl_670de95654528c23c23f757868618edd","status":"active","text":"CryoSat-2 thickness retrievals agreed reasonably well with the in situ thickness observations.","confidence":0.92,"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous 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