{
    "created": "2019-10-09 15:48:58",
    "updated": "2026-04-27 02:09:53",
    "id": "d69b6f8f-99b9-446c-bf79-af68ef900c8d",
    "version": 3,
    "ds_topic": null,
    "title_cn": "基于《环北极地区多年冻土和地下冰状态图》的中国及其周边地区冻土分布图",
    "title_en": "A map of the distribution of frozen soil in China and its surrounding areas based on the \"Map of Permafrost and Subsurface Ice State in the Circumpolar Arctic\"",
    "ds_abstract": "<p>本数据集包含字段说明字：</p>\n\n<p>Num_code（冻土属性编码）</p>\n\n<p>Combo(冻土属性）</p>\n\n<p>extent（冻土范围）</p>\n\n<p>content(含冰量）</p>\n\n<p>属性对照如下：</p>\n\n<p>（1）冻土属性对照表：</p>\n\n<p>0 （No information ）</p>\n\n<p>1 - chf （Continuous permafrost extent with high ground ice content and thick overburden）</p>\n\n<p>2 - dhf （Discontinuous permafrost extent with high ground ice content and thick overburden ）</p>\n\n<p>3 - shf （Sporadic permafrost extent with high ground ice content and thick overburden ）</p>\n\n<p>4 - ihf （Isolated patches of permafrost extent with high ground ice content and thick overburden ）</p>\n\n<p>5 - cmf （Continuous permafrost extent with medium ground ice content and thick overburden ）</p>\n\n<p>6 - dmf （Discontinuous permafrost extent with medium ground ice content and thick overburden ）</p>\n\n<p>7 - smf （Sporadic permafrost extent with medium ground ice content and thick overburden ）</p>\n\n<p>8 - imf （Isolated patches of permafrost extent with medium ground ice content and thick overburden）</p>\n\n<p>9 - clf （Continuous permafrost extent with low ground ice content and thick overburden ）</p>\n\n<p>10 - dlf （Discontinuous permafrost extent with low ground ice content and thick overburden ）</p>\n\n<p>11 - slf （Sporadic permafrost extent with low ground ice content and thick overburden ）</p>\n\n<p>12 - ilf （Isolated patches of permafrost extent with low ground ice content and thick overburden）</p>\n\n<p>13 - chr （Continuous permafrost extent with high ground ice content and thin overburden and exposed bedrock ）</p>\n\n<p>14 - dhr （Discontinuous permafrost extent with high ground ice content and thin overburden and exposed bedrock ）</p>\n\n<p>15 - shr （Sporadic permafrost extent with high ground ice content and thin overburden and exposed bedrock ）</p>\n\n<p>16 - ihr （Isolated patches of permafrost extent with high ground ice content and thin overburden and exposed bedrock）</p>\n\n<p>17 - clr （Continuous permafrost extent with low ground ice content and thin overburden and exposed bedrock ）</p>\n\n<p>18 - dlr （Discontinuous permafrost extent with low ground ice content and thin overburden and exposed bedrock ）</p>\n\n<p>19 - slr （Sporadic permafrost extent with low ground ice content and thin overburden and exposed bedrock）</p>\n\n<p>20 - ilr （Isolated patches of permafrost extent with low ground ice content and thin overburden and exposed bedrock ）</p>\n\n<p>21 - g （Glaciers）</p>\n\n<p>22 - r （Relict permafrost）</p>\n\n<p>23 - l （Inland lakes ）</p>\n\n<p>24 - o （Ocean/inland seas ）</p>\n\n<p>25 - ld （Land）</p>\n\n<p>（2）冻土范围对照表</p>\n\n<p>c = continuous (90-100%)</p>\n\n<p>d = discontinuous (50- 90%)</p>\n\n<p>s = sporadic (10- 50%)</p>\n\n<p>i = isolated patches ( 0 - 10%)</p>\n\n<p>（3）含冰量对照表</p>\n\n<p>h = high (&gt;20% for \"f\" landform codes) (&gt;10% for \"r\" landform codes)</p>\n\n<p>m = medium (10-20%)</p>\n\n<p>l = low (0-10%)</p>",
    "ds_source": "",
    "ds_process_way": "",
    "ds_quality": "",
    "ds_acq_start_time": "2001-01-01 00:00:00",
    "ds_acq_end_time": null,
    "ds_acq_place": "中国，中国周边地区",
    "ds_acq_lon_east": 140.0,
    "ds_acq_lat_south": 10.0,
    "ds_acq_lon_west": 60.0,
    "ds_acq_lat_north": 60.0,
    "ds_acq_alt_low": null,
    "ds_acq_alt_high": null,
    "ds_share_type": "login-access",
    "ds_total_size": 1728315,
    "ds_files_count": 8,
    "ds_format": "Esri Shapefile",
    "ds_space_res": null,
    "ds_time_res": "",
    "ds_coordinate": "WGS84",
    "ds_projection": "",
    "ds_thumbnail": "d69b6f8f-99b9-446c-bf79-af68ef900c8d.png",
    "ds_thumb_from": 0,
    "ds_ref_way": "",
    "paper_ref_way": "",
    "ds_ref_instruction": "",
    "ds_from_station": null,
    "organization_id": "9c4867b1-5cb1-4de0-abeb-df42547bf41e",
    "ds_serv_man": "敏玉芳",
    "ds_serv_phone": "0931-4967596",
    "ds_serv_mail": "ncdc@lzb.ac.cn",
    "doi_value": "",
    "subject_codes": [
        "170.4510"
    ],
    "quality_level": 3,
    "publish_time": "2021-01-11 09:52:13",
    "last_updated": "2023-08-23 16:46:32",
    "protected": false,
    "protected_to": null,
    "lang": "zh",
    "cstr": "11738.11.ncdc.Westdc.2020.575",
    "i18n": {
        "en": {
            "title": "A map of the distribution of frozen soil in China and its surrounding areas based on the \"Map of Permafrost and Subsurface Ice State in the Circumpolar Arctic\"",
            "ds_format": "Esri Shapefile",
            "ds_source": "",
            "ds_quality": "",
            "ds_ref_way": "",
            "ds_abstract": "<p>This dataset contains field descriptors:</p>\n<p>Num_ Code (permafrost attribute code)</p>\n<p>Combo (permafrost attribute)</p>\n<p>Extend (frozen soil range)</p>\n<p>Content (ice content)</p>\n<p>Attribute comparison is as follows:</p>\n<p>(1) Comparison table of frozen soil properties:</p>\n<p>0 （No information ）</p>\n<p>1 - chf （Continuous permafrost extent with high ground ice content and thick overburden）</p>\n<p>2 - dhf （Discontinuous permafrost extent with high ground ice content and thick overburden ）</p>\n<p>3 - shf （Sporadic permafrost extent with high ground ice content and thick overburden ）</p>\n<p>4 - ihf （Isolated patches of permafrost extent with high ground ice content and thick overburden ）</p>\n<p>5 - cmf （Continuous permafrost extent with medium ground ice content and thick overburden ）</p>\n<p>6 - dmf （Discontinuous permafrost extent with medium ground ice content and thick overburden ）</p>\n<p>7 - smf （Sporadic permafrost extent with medium ground ice content and thick overburden ）</p>\n<p>8 - imf （Isolated patches of permafrost extent with medium ground ice content and thick overburden）</p>\n<p>9 - clf （Continuous permafrost extent with low ground ice content and thick overburden ）</p>\n<p>10 - dlf （Discontinuous permafrost extent with low ground ice content and thick overburden ）</p>\n<p>11 - slf （Sporadic permafrost extent with low ground ice content and thick overburden ）</p>\n<p>12 - ilf （Isolated patches of permafrost extent with low ground ice content and thick overburden）</p>\n<p>13 - chr （Continuous permafrost extent with high ground ice content and thin overburden and exposed bedrock ）</p>\n<p>14 - dhr （Discontinuous permafrost extent with high ground ice content and thin overburden and exposed bedrock ）</p>\n<p>15 - shr （Sporadic permafrost extent with high ground ice content and thin overburden and exposed bedrock ）</p>\n<p>16 - ihr （Isolated patches of permafrost extent with high ground ice content and thin overburden and exposed bedrock）</p>\n<p>17 - clr （Continuous permafrost extent with low ground ice content and thin overburden and exposed bedrock ）</p>\n<p>18 - dlr （Discontinuous permafrost extent with low ground ice content and thin overburden and exposed bedrock ）</p>\n<p>19 - slr （Sporadic permafrost extent with low ground ice content and thin overburden and exposed bedrock）</p>\n<p>20 - ilr （Isolated patches of permafrost extent with low ground ice content and thin overburden and exposed bedrock ）</p>\n<p>21 - g （Glaciers）</p>\n<p>22 - r （Relict permafrost）</p>\n<p>23 - l （Inland lakes ）</p>\n<p>24 - o （Ocean/inland seas ）</p>\n<p>25 - ld （Land）</p>\n<p>(2) Comparison table of frozen soil range</p>\n<p>c = continuous (90-100%)</p>\n<p>d = discontinuous (50- 90%)</p>\n<p>s = sporadic (10- 50%)</p>\n<p>i = isolated patches ( 0 - 10%)</p>\n<p>(3) Comparison table of ice content</p>\n<p>h = high (&gt;20% for \"f\" landform codes) (&gt;10% for \"r\" landform codes)</p>\n<p>m = medium (10-20%)</p>\n<p>l = low (0-10%)</p>",
            "ds_time_res": "",
            "ds_acq_place": "China, the surrounding areas of China",
            "ds_space_res": "",
            "ds_projection": "",
            "ds_process_way": "",
            "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 source and data authors in the research results (including published papers, works, 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."
        }
    },
    "submit_center_id": "ncdc",
    "data_level": 0,
    "license_type": "CC BY 4.0",
    "doi_reg_from": "reg_local",
    "cstr_reg_from": "reg_local",
    "doi_not_reg_reason": null,
    "cstr_not_reg_reason": null,
    "ds_topic_tags": [
        "含冰量",
        "冻土",
        "地下水"
    ],
    "ds_subject_tags": [
        "自然地理学"
    ],
    "ds_class_tags": [],
    "ds_locus_tags": [
        "中国",
        "中国周边地区"
    ],
    "ds_time_tags": [
        2001
    ],
    "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": "李红星",
            "email": "lihongxing@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"
}