{
    "created": "2018-04-25 08:26:11",
    "updated": "2026-04-26 17:01:56",
    "id": "532c4b3d-9d6b-4fdb-b75a-d855b6376b6b",
    "version": 3,
    "ds_topic": null,
    "title_cn": "银川1:50万土地利用现状图",
    "title_en": "Yinchuan 1:500,000 Land Use Status Map",
    "ds_abstract": "<p>该数据数字化自图纸的《银川土地利用现状图》,本图是国家‘七五’重点科技攻关项目：“三北”防护林遥感综合调查，甘青宁类型区系列图之一，信息如下:\n<p>沙漠化类型图(desert)、银川土地利用图(landuse)、铁路（railway）、面状居民地（resident_poly)、点状居民地(resindential)、河流(River)、公路(Road)、面状水域(Water_poly)\n<p>3、数据字段及属性</p>\n<p>类型编号 土地资源类(land_type) 沙漠形态类(shape)</p>\n<p>11 水田 Paddy</p>\n<p>111 水稻田 Paddy field</p>\n<p>12 水浇地 Irrigated field</p>\n<p>131 平旱地 Plain non-irrigated field</p>\n<p>132 沟旱地 Valley non-irrigate field</p>\n<p>133 坡旱地 Slope non-irrigated field</p>\n<p>134 台旱地 Terrace non-irrigat field</p>\n<p>14 菜地 Vegetable plot</p>\n<p>15 弃耕地 Abandoned farmland</p>\n<p>21 果园 Orchard</p>\n<p>31 有林地 Woodland.........</p>",
    "ds_source": "<p>该数据数字化自图纸的《银川土地利用现状图》,本图是国家‘七五’重点科技攻关项目：“三北”防护林遥感综合调查，甘青宁类型区系列图之一</p>",
    "ds_process_way": "<p>数字矢量化</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": null,
    "ds_acq_end_time": null,
    "ds_acq_place": "银川",
    "ds_acq_lon_east": 106.56666666666666,
    "ds_acq_lat_south": 36.7,
    "ds_acq_lon_west": 101.26666666666667,
    "ds_acq_lat_north": 39.5,
    "ds_acq_alt_low": null,
    "ds_acq_alt_high": null,
    "ds_share_type": "login-access",
    "ds_total_size": 26153096,
    "ds_files_count": 3,
    "ds_format": "矢量",
    "ds_space_res": "5000.0m",
    "ds_time_res": "",
    "ds_coordinate": "WGS84",
    "ds_projection": "+proj=longlat +ellps=krass +towgs84=15.8,-154.4,-82.3,0,0,0,0 +no_defs ",
    "ds_thumbnail": "532c4b3d-9d6b-4fdb-b75a-d855b6376b6b.png",
    "ds_thumb_from": 0,
    "ds_ref_way": "",
    "paper_ref_way": "",
    "ds_ref_instruction": "为尊重知识产权、保障数据作者的权益、扩展数据中心的服务、评估数据的应用潜力，请数据使用者在使用数据所产生的研究成果中（包括公开发表的论文、论著、数据产品和未公开发表的研究报告、数据产品等成果），明确注明数据来源和数据作者。对于转载（二次或多次发布）的数据，作者还须注明原始数据来源。",
    "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": [
        "170.4510"
    ],
    "quality_level": 3,
    "publish_time": "2021-01-05 16:57:50",
    "last_updated": "2023-08-23 16:46:34",
    "protected": false,
    "protected_to": null,
    "lang": "zh",
    "cstr": "11738.11.ncdc.Westdc.2020.312",
    "i18n": {
        "en": {
            "title": "Yinchuan 1:500,000 Land Use Status Map",
            "ds_format": "Vector",
            "ds_source": "<p>The data is digitized from the current map of land use in Yinchuan, which is one of the series of maps of Gansu, Qinghai and Ningxia type areas in the \"Three North\" Protection forest remote sensing comprehensive survey, a national key scientific and technological research project during the Seventh Five Year Plan</p>",
            "ds_quality": "<p>The quality of data set is controlled by strict manual audit</p>",
            "ds_ref_way": "",
            "ds_abstract": "<p>The data is digitized from “the current map of land use in Yinchuan”, which is a national key scientific and technological project during the Seventh Five Year Plan period: \"Three North\" Protection forest remote sensing comprehensive survey, one of the series of maps of Gansu, Qinghai and Ningxia type areas. The information is as follows:\n<p>Desertification type map(desert)，Yinchuan land use map(landuse)，railway（railway），areal residential area（resident_poly),point residential area(resindential),river(River),road(Road) and areal water area(Water_poly)\n<p>3. Data Fields and Properties</p>\n<p>Type number Land resource class (land_type) Desert form class (shape)</p>\n<p>11 Paddy</p>\n<p>111 Paddy field</p>\n<p>12 Irrigated fields</p>\n<p>131 Plain non-irrigated field</p>\n<p>132 Valley-non-irrigate field</p>\n<p>133 Slope non-irrigated field</p>\n<p>134 Terrace non-irrigat fields</p>\n<p>14 Vegetable plot</p>\n<p>15 Abandoned farmland</p>\n<p>21 Orchard</p>\n<p>31 Woodland with Forest Land</p></p></p>",
            "ds_time_res": "",
            "ds_acq_place": "Yinchuan",
            "ds_space_res": "5000.0m",
            "ds_projection": "+proj=longlat +ellps=krass +towgs84=15.8,-154.4,-82.3,0,0,0,0 +no_defs ",
            "ds_process_way": "<p>Digital Vectorization</p>",
            "ds_ref_instruction": "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 author in the research results generated from the use of data (including publicly published papers, works, data products, and unpublished research reports, data products, etc.). For data reprinted (for 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": [
        "土地利用"
    ],
    "ds_subject_tags": [
        "自然地理学"
    ],
    "ds_class_tags": [],
    "ds_locus_tags": [
        "银川"
    ],
    "ds_time_tags": [],
    "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": "康建芳",
            "email": "kangjf@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"
}