{
    "created": "2020-01-17 09:23:10",
    "updated": "2026-04-03 20:13:49",
    "id": "281d94fa-5f6b-40cb-ad4e-9e6eb180d303",
    "version": 3,
    "ds_topic": null,
    "title_cn": "全球1:100万人口75万和90万之间的分布图（2013年）",
    "title_en": "Distribution map of a global population of 1 million between 750000 and 900000 (2013)",
    "ds_abstract": "<p>数据集为全球100万人口75万和90万之间的城市空间分布图，包括城市名称、人口、城市所处国家名称及人口范围。数据的时间范围为2013年\n\n<p>比例尺为 1:100万</p>\n\n<p>字段1：LOCAL_NAME (城市原名称)\n数据类型：Text（75）</p>\n\n<p>字段2：ENG_NAME (城市英文名称)\n数据类型：Text（75）</p>\n\n<p>字段3：CITY_POP (城市人口)\n数据类型：Long Interger（10）</p>\n\n<p>字段4：YEAR（年份）\n数据类型：Short Interger（5）</p>\n\n<p>字段5：CNTRY_NAME (城市所在国家名称)\n数据类型：Text（60）</p>\n\n<p>字段6：CNTRY_CODE（国家简称）\n数据类型：Text（10）</p>",
    "ds_source": "<p>购买自ADC WorldMap7.1数据库</p>",
    "ds_process_way": "<p>用arcmap对数据库进行导出及整理，做了几何、拓扑和属性检查，对所有多边形都是用ArcGIS Repair Geometry工具进行检查。</p>",
    "ds_quality": "<p>数据质量良好</p>",
    "ds_acq_start_time": "2013-01-01 00:00:00",
    "ds_acq_end_time": "2013-12-31 00:00:00",
    "ds_acq_place": "全球范围",
    "ds_acq_lon_east": 180.0,
    "ds_acq_lat_south": -79.0,
    "ds_acq_lon_west": -180.0,
    "ds_acq_lat_north": 89.0,
    "ds_acq_alt_low": null,
    "ds_acq_alt_high": null,
    "ds_share_type": "login-access",
    "ds_total_size": 727774,
    "ds_files_count": 2,
    "ds_format": "shp",
    "ds_space_res": "/",
    "ds_time_res": "/",
    "ds_coordinate": "WGS84",
    "ds_projection": "/",
    "ds_thumbnail": "281d94fa-5f6b-40cb-ad4e-9e6eb180d303.jpg",
    "ds_thumb_from": 2,
    "ds_ref_way": "",
    "paper_ref_way": "",
    "ds_ref_instruction": "",
    "ds_from_station": null,
    "organization_id": "9c4867b1-5cb1-4de0-abeb-df42547bf41e",
    "ds_serv_man": "李红星",
    "ds_serv_phone": "0931-4967592",
    "ds_serv_mail": "lihongxing@lzb.ac.cn",
    "doi_value": "",
    "subject_codes": [
        "170.4520"
    ],
    "quality_level": 3,
    "publish_time": "2020-12-10 00:58:26",
    "last_updated": "2025-04-27 15:53:49",
    "protected": false,
    "protected_to": null,
    "lang": "zh",
    "cstr": "11738.11.ncdc.Westdc.2020.766",
    "license": null,
    "i18n": {
        "en": {
            "title": "Distribution map of a global population of 1 million between 750000 and 900000 (2013)",
            "ds_format": "shp",
            "ds_source": "<p>Purchased from ADC WorldMap7.1 database</p>",
            "ds_quality": "<p>Good data quality</p>",
            "ds_ref_way": "",
            "ds_abstract": "<p>The dataset is a spatial distribution map of cities with a global population of between 750000 and 900000, including city names, population, country names where cities are located, and population ranges. The time range of the data is 2013\n<p>On a scale of 1:1 million</p>\n<p>Field 1: LOCAL_ NAME (original name of the city)\nData type: Text (75)</p>\n<p>Field 2: ENG_ NAME (English name of the city)\nData type: Text (75)</p>\n<p>Field 3: CITY_ POP (Urban Population)\nData type: Long Interger (10)</p>\n<p>Field 4: YEAR\nData type: Short Interger (5)</p>\n<p>Field 5: CNTRY_ NAME (name of the country where the city is located)\nData type: Text (60)</p>\n<p>Field 6: CNTRY_ CODE (country abbreviation)\nData type: Text (10)</p></p>",
            "ds_time_res": "/",
            "ds_acq_place": "Global scale",
            "ds_space_res": "/",
            "ds_projection": "/",
            "ds_process_way": "<p>Export and organize the database using Arcmap, perform geometric, topological, and attribute checks, and check all polygons using ArcGIS Repair Geometry tool</P>",
            "ds_ref_instruction": ""
        }
    },
    "submit_center_id": "ncdc",
    "data_level": 0,
    "license_type": "CC BY 4.0",
    "ds_topic_tags": [
        "分布区间",
        "人口分布"
    ],
    "ds_subject_tags": [
        "人文地理学"
    ],
    "ds_class_tags": [],
    "ds_locus_tags": [
        "全球"
    ],
    "ds_time_tags": [
        2013
    ],
    "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": "盖春梅",
            "email": "Gechm@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": "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": "基础地理"
}