该数据集是支持《Advances in Climate Change Research》论文（Ran等，2022）分析的部分数据，包括第三极区域（青藏高原、帕米尔高原和天山）多年冻土、季节冻土和未冻土的当前（2000-2016年）范围、多年冻土年平均地温和活动层厚度的1960s以来每十年的变化，以及论文中的第三极范围数据。", "ds_source": "
全球多年冻土分带指数（Gruber, 2012）；\n环北极年平均地温（MAGT）与活动层厚度（ALT）数据集（Aalto et al., 2018）；北半球多年冻土分布图（TTOP 模型，Obu et al., 2019）；第三极高分辨率年平均地温（MAGT）与活动层厚度（ALT）估算数据（Ran et al., 2022a）等。", "ds_process_way": "
机器学习。", "ds_quality": "
数据质量较好。", "ds_acq_start_time": "2000-01-01 00:00:00", "ds_acq_end_time": "2016-12-31 00:00:00", "ds_acq_place": "天山,青藏高原,亚洲高山,帕米尔高原", "ds_acq_lon_east": 105.0, "ds_acq_lat_south": 45.0, "ds_acq_lon_west": 62.0, "ds_acq_lat_north": 24.0, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "open-access", "ds_total_size": 158105787, "ds_files_count": 2, "ds_format": "shp", "ds_space_res": "", "ds_time_res": "", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": "34a08e1e-340b-4e0f-a29e-c91df9f51793.png", "ds_thumb_from": 2, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "", "ds_from_station": null, "organization_id": "52b7b79b-860c-49a5-9083-9a70cf8bed5a", "ds_serv_man": "李红星", "ds_serv_phone": "0931-4967592", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "", "subject_codes": [ "170.45" ], "quality_level": 3, "publish_time": "2026-03-05 11:28:50", "last_updated": "2026-03-11 09:51:22", "protected": false, "protected_to": null, "lang": "zh", "cstr": null, "i18n": { "en": { "title": "Current state and past changes in frozen ground at the Third Pole", "ds_format": "", "ds_source": "
Global Permafrost Zoning Index (Gruber, 2012);\nThe dataset of annual average ground temperature (MAGT) and active layer thickness (ALT) around the Arctic (Aalto et al., 2018); Distribution Map of Permafrost in the Northern Hemisphere (TTOP Model, Obu et al., 2019）； Third pole high-resolution annual average ground temperature (MAGT) and active layer thickness (ALT) estimation data (Ran et al., 2022a).", "ds_quality": "
The data quality is good.", "ds_ref_way": "", "ds_abstract": "
This dataset is part of the data that supports the analysis in the paper \"Advances in Climate Change Research\" (Ran et al., 2022), including the current (2000-2016) ranges of permafrost, seasonally frozen and unfrozen soils in the Third Pole region (Qinghai Tibet Plateau, Pamir Plateau and Tianshan Mountains), the annual average ground temperature and active layer thickness of permafrost over the past decade since the 1960s, as well as the Third Pole range data in the paper.", "ds_time_res": "", "ds_acq_place": "Tianshan, Qinghai Tibet Plateau, Asian high mountains, Pamir Plateau", "ds_space_res": "", "ds_projection": "", "ds_process_way": "
Machine learning.", "ds_ref_instruction": "" } }, "submit_center_id": "ncdc", "data_level": 0, "license_type": "CC BY 4.0", "ds_topic_tags": [ "冻土", "多年冻土", "季节冻土", "冻土消融" ], "ds_subject_tags": [ "地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "天山", "青藏高原", "亚洲高山", "帕米尔高原" ], "ds_time_tags": [ 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 ], "ds_contributors": [ { "true_name": "冉有华 ", "email": "ranyh@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" }, { "true_name": "李新", "email": "lixin@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" }, { "true_name": "车涛", "email": "chetao@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" }, { "true_name": "王冰泉", "email": "wangbingquan@nieer.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" }, { "true_name": "程国栋", "email": "gdcheng@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "冉有华 ", "email": "ranyh@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" }, { "true_name": "李新", "email": "lixin@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" }, { "true_name": "车涛", "email": "chetao@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" }, { "true_name": "王冰泉", "email": "wangbingquan@nieer.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" }, { "true_name": "程国栋", "email": "gdcheng@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" } ], "ds_managers": [ { "true_name": "冉有华 ", "email": "ranyh@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" } ], "category": "冻土" }