该图是Li Xin等2008年为了重新统计中国的多年冻土面积，在分析现有中国冻土图的基础上编制而成的，由三部分组成，其中青藏高原部分采用模拟的青藏高原冻土图（南卓铜，2002）、东北部分来自《1：400万中国冰川冻土沙漠图》（中国科学院寒区旱区环境与工程研究所，2006），其他部分采用中国冻土区划及类型图（1：1000万）（周幼吾 等，2000）。
\n\n更多信息参考文献（中国科学院寒区旱区环境与工程研究所，2006；南卓铜，2002；周幼吾 等，2000；Li et al, 2008）。
", "ds_source": "1.青藏高原部分采用模拟的青藏高原冻土图（南卓铜，2002）\n2.北部分来自《1：400万中国冰川冻土沙漠图》（中国科学院寒区旱区环境与工程研究所，2006）\n3.其他部分采用中国冻土区划及类型图（1：1000万）（周幼吾 等，2000）。
", "ds_process_way": "数字矢量化
", "ds_quality": "数据集通过严格的人工审核控制质量
", "ds_acq_start_time": "2006-01-01 00:00:00", "ds_acq_end_time": "2008-12-01 00:00:00", "ds_acq_place": "中国", "ds_acq_lon_east": 135.5, "ds_acq_lat_south": 17.766666666666666, "ds_acq_lon_west": 73.19972222222222, "ds_acq_lat_north": 53.86638888888889, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "login-access", "ds_total_size": 2734221, "ds_files_count": 3, "ds_format": "矢量", "ds_space_res": "100000.0m", "ds_time_res": "", "ds_coordinate": "WGS84", "ds_projection": "Albers", "ds_thumbnail": "d26f21f4-d17f-4523-865f-e0f3914034a5.png", "ds_thumb_from": 0, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "None", "ds_from_station": null, "organization_id": "9c4867b1-5cb1-4de0-abeb-df42547bf41e", "ds_serv_man": "李红星", "ds_serv_phone": "0931-4967596", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "", "subject_codes": [], "quality_level": 3, "publish_time": "2021-01-08 11:04:16", "last_updated": "2023-11-02 11:18:46", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.Westdc.2020.672", "i18n": { "en": { "title": "1:10 million permafrost types in China", "ds_format": "", "ds_source": "1. The simulated permafrost map of the Qinghai Tibet Plateau (nanzhuo copper, 2002)\n2. The northern part comes from the map of 1:4 million glacial and frozen deserts in China (Institute of environment and Engineering in cold and dry areas, Chinese Academy of Sciences, 2006)\n3. For other parts, China's permafrost division and type map (1:10 million) (Zhou Youwu et al., 2000) is adopted.
", "ds_quality": "Data set quality control through strict manual audit
", "ds_ref_way": "", "ds_abstract": "This is Li Xin et al. Compiled in 2008 in order to re count the permafrost area of China, based on the analysis of the existing permafrost map of China, which is composed of three parts, the Qinghai Tibet Plateau part adopts the simulated permafrost map of the Qinghai Tibet Plateau (nanzhuo copper, 2002), and the northeast part comes from the \"1:4 million glacial frozen desert map of China\" (Institute of environment and Engineering in cold and dry areas, Chinese Academy of Sciences, 2006 ）, and other parts adopt China frozen soil division and type map (1:10 million) (Zhou Youwu et al., 2000).
\nMore information references (Institute of environment and Engineering in cold and dry areas, Chinese Academy of Sciences, 2006; nanzhuo copper, 2002; Zhou Youwu et al., 2000; Li et al, 2008).
", "ds_time_res": "", "ds_acq_place": "China", "ds_space_res": "100000.0m", "ds_projection": "", "ds_process_way": "Digital Vectorization
", "ds_ref_instruction": "In order to respect intellectual property rights, protect the rights and interests of data authors, expand the services of data centers, and evaluate the application potential of data, data users are requested to clearly indicate the data sources and data authors in the research results (including published papers, treatises, data products and unpublished research reports, data products, etc.) produced by using data. For data reprinted (secondary or multiple releases), the author must also indicate the source of the original data. The data set is provided by environmental and Ecological Science Data Center for West China, National Natural Science Foundation of China (http://westdc.westgis.ac.cn)" } }, "submit_center_id": "ncdc", "data_level": 0, "recommendation_value": 0, "license_type": "https://creativecommons.org/licenses/by/4.0/", "doi_reg_from": "reg_local", "cstr_reg_from": "reg_local", "doi_not_reg_reason": null, "cstr_not_reg_reason": null, "is_paper_in_submitting": false, "belong_to_nieer": false, "ds_topic_tags": [ "1:1000万", "类型图", "冻土" ], "ds_subject_tags": [], "ds_class_tags": [], "ds_locus_tags": [ "中国" ], "ds_time_tags": [ 2008 ], "ds_contributors": [ { "true_name": "吴立宗", "email": "wulizong@pric.org.cn", "work_for": "国家极地科学数据中心", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "吴立宗", "email": "wulizong@pric.org.cn", "work_for": "国家极地科学数据中心", "country": "中国" } ], "ds_managers": [ { "true_name": "敏玉芳", "email": "myf@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" }