{
    "created": "2019-10-07 15:15:13",
    "updated": "2026-05-16 14:28:36",
    "id": "41dedd13-fb05-4ae7-881e-e6363a23743f",
    "version": 3,
    "ds_topic": null,
    "title_cn": "大沁他拉1:10万沙漠化发展程度图(1958年)",
    "title_en": "Map of developmental degree of desertification in DAQIN TALA",
    "ds_abstract": "<p>一、该数据数字化自图纸的《大沁他拉沙漠化发展程度图(1958)》，该图的具体信息如下：</p>\n\n<p>主编:朱震达、邱醒民</p>\n\n<p>编辑 :王一谋</p>\n\n<p>制图:冯毓荪、姚发芬、吴薇、王建华、王周龙</p>\n\n<p>制图单位:中国科学院沙漠研究室编制</p>\n\n<p>出版社:西安地图出版社出版，统一书号：12461.26</p>\n\n<p>比例尺:1：100000</p>\n\n<p>二、数据均以ESRI Shapefile格式储存，包括以下图层：</p>\n\n<p>沙漠化发展程度图（1974）：desertification1974.dbf、desertification1974.shp、desertification1974.shx、desertification1974.prj</p>\n\n<p>双线河：River_double.dbf、River_double.shp、River_double.shx、River_double.prj</p>\n\n<p>单线河：River_single.dbf、River_single.shp、River_single.shx、River_single.prj</p>\n\n<p>道路：Road.dbf、Road.shp、Road.shx、Road.prj</p>\n\n<p>湖泊：Lake.dbf、Lake.shp、Lake.shx、Lake.prj</p>\n\n<p>街道：Stree.dbf、Stree.shp、Stree.shx、Stree.prj</p>\n\n<p>铁路：Railway.dbf、Railway.shp、Railway.shx、Railway.prj</p>\n\n<p>林带：Tree_networks.dbf、Tree_networks.shp、Tree_networks.shx、Tree_networks.prj</p>\n\n<p>居民地：residential.dbf、residential.shp、residential.shx、residential.prj</p>\n\n<p>图廓：map_margin.dbf、map_margin.shp、map_margin.shx、map_margin.prj</p>\n\n<p>1、沙漠化发展程度图属性字段及编码属性:(1)沙化程度(Type)：半流动沙地(Semi-shifting Sandy Land),沙地形态类(Shapes),草地(Grassland),林地(Woodland) ,林地疏密度(W_density),耕地(Farmland)</p>\n\n<p>(2)沙地形态类（Shapes):新月形沙丘(Barchan Dunes),平沙地(Flat Sandy Land),缓起伏沙地(Undulating Sandy Land),灌丛沙堆(Vegetated Dunes)</p>\n\n<p>(3)草地(Grassland):草地(Grassland)</p>\n\n<p>(4)林地(Woodland):灌木林(Woodland)</p>\n\n<p>(5)林地疏密度(W_density):疏林地(Sparse Woodlot)</p>\n\n<p>(6)耕地(Farmland):旱作农田及弃耕地(Dryfarming and Abandoned Farmland),灌溉农田(Irrigated Fields)</p>\n\n<p>2、投影信息：</p>\n\n<p>Angular Unit: Degree (0.017453292519943295)</p>\n\n<p>Prime Meridian: Greenwich (0.000000000000000000)</p>\n\n<p>Datum: D_Beijing_1954</p>\n\n<p>Spheroid: Krasovsky_1940</p>\n\n<p>Semimajor Axis: 6378245.000000000000000000</p>\n\n<p>Semiminor Axis: 6356863.018773047300000000</p>\n\n<p>Inverse Flattening: 298.300000000000010000</p>",
    "ds_source": "<p>《大沁他拉沙漠化发展程度图(1958)》</p>",
    "ds_process_way": "<p>图像矢量化</p>",
    "ds_quality": "<p>数据集通过严格的人工审核控制质量</p>",
    "ds_acq_start_time": "1958-01-01 00:00:00",
    "ds_acq_end_time": null,
    "ds_acq_place": "大沁他拉",
    "ds_acq_lon_east": 126.16638888888889,
    "ds_acq_lat_south": 37.2,
    "ds_acq_lon_west": 97.15,
    "ds_acq_lat_north": 53.86638888888889,
    "ds_acq_alt_low": null,
    "ds_acq_alt_high": null,
    "ds_share_type": "login-access",
    "ds_total_size": 35246326,
    "ds_files_count": 3,
    "ds_format": "矢量",
    "ds_space_res": "1000.0m",
    "ds_time_res": "",
    "ds_coordinate": "无",
    "ds_projection": "proj=longlat +ellps=krass +towgs84=15.8,-154.4,-82.3,0,0,0,0 +no_defs",
    "ds_thumbnail": "41dedd13-fb05-4ae7-881e-e6363a23743f.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": "寒区旱区科学数据中心",
    "ds_serv_phone": "0931-4967287",
    "ds_serv_mail": "ncdc@lzb.ac.cn",
    "doi_value": "",
    "subject_codes": [
        "170.4510"
    ],
    "quality_level": 3,
    "publish_time": "2020-03-26 10:52:23",
    "last_updated": "2023-08-25 10:08:12",
    "protected": false,
    "protected_to": null,
    "lang": "zh",
    "cstr": "11738.11.ncdc.Westdc.2020.412",
    "i18n": {
        "en": {
            "title": "Map of developmental degree of desertification in DAQIN TALA",
            "ds_format": "Vector",
            "ds_source": "<p>The development of desertification in daqintera (1958)</p>",
            "ds_quality": "<p>Data set quality control through strict manual audit</p>",
            "ds_ref_way": "",
            "ds_abstract": "<p>1、 The data is digitized from the map of development degree of desertification in daqintera (1958). The specific information of the map is as follows:</p>\n<p>Editor in chief: Zhu Zhenda, Qiu Xingmin</p>\n<p>Editor: Wang Yimou</p>\n<p>Drawn by: Feng Yusun, Yao Fafen, Wu Wei, Wang Jianhua, Wang Zhoulong</p>\n<p>Cartographer: prepared by Desert Research Office of Chinese Academy of Sciences</p>\n<p>Publishing House: Xi'an map publishing house, unified Book No.: 12461.26</p>\n<p>Scale: 1:100000</p>\n<p>2、 Data is stored in ESRI ShapeFile format, including the following layers:</p>\n<p>Desertification development degree map (1974): desertification1974.dbf, desertification1974.shp, desertification1974.shx, desertification1974.prj</p>\n<p>Double river: river_double.dbf, river_double.shp, river_double.shx, river_double.prj</p>\n<p>Single river: River ﹣ single.dbf, river ﹣ single.shp, river ﹣ single.shx, river ﹣ single.prj</p>\n<p>Roads: road.dbf, road.shp, road.shx, road.prj</p>\n<p>Lakes: lake.dbf, lake.shp, lake.shx, lake.prj</p>\n<p>Street: stree.dbf, stree.shp, stree.shx, stree.prj</p>\n<p>Railway: railway.dbf, railway.shp, railway.shx, railway.prj</p>\n<p>Forest belt: tree ﹣ networks.dbf, tree ﹣ networks.shp, tree ﹣ networks.shx, tree ﹣ networks.prj</p>\n<p>Residential areas: residential.dbf, residential.shp, residential.shx, residential.prj</p>\n<p>Figure Outline: map ﹣ margin.dbf, map ﹣ margin.shp, map ﹣ margin.shx, map ﹣ margin.prj</p>\n<p>1. Attribute fields and coding attributes of desertification development degree map: (1) desertification degree (type): semi shifting sand land, shapes of sand, grassland, woodland, w'density and farmland</p>\n<p>(2) Sand forms: barchan dunes, flat sand land, undeveloped sand land, and cultivated dunes</p>\n<p>(3) Grassland: Grassland</p>\n<p>(4) Woodland: Woodland</p>\n<p>(5) W'density: sparse woodlot</p>\n<p>(6) Farmland: dry farming and abandoned farmland, irrigated fields</p>\n<p>2. Projection information:</p>\n<p>Angular Unit: Degree (0.017453292519943295)</p>\n<p>Prime Meridian: Greenwich (0.000000000000000000)</p>\n<p>Datum: D_Beijing_1954</p>\n<p>Spheroid: Krasovsky_1940</p>\n<p>Semimajor Axis: 6378245.000000000000000000</p>\n<p>Semiminor Axis: 6356863.018773047300000000</p>\n<p>Inverse Flattening: 298.300000000000010000</p>",
            "ds_time_res": "",
            "ds_acq_place": "Daqin Tara",
            "ds_space_res": "1000.0m",
            "ds_projection": "proj=longlat +ellps=krass +towgs84=15.8,-154.4,-82.3,0,0,0,0 +no_defs",
            "ds_process_way": "<p>Image vectorization</p>",
            "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 invited to use the data"
        }
    },
    "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,
    "ds_topic_tags": [
        "沙漠",
        "沙漠化"
    ],
    "ds_subject_tags": [
        "自然地理学"
    ],
    "ds_class_tags": [],
    "ds_locus_tags": [
        "大沁他拉"
    ],
    "ds_time_tags": [
        1958
    ],
    "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": "沙漠与荒漠化"
}