{
    "created": "2018-04-25 08:15:27",
    "updated": "2026-04-29 21:24:38",
    "id": "acce013f-bc25-400a-83f3-bec0854fb6e3",
    "version": 3,
    "ds_topic": null,
    "title_cn": "天水1:50万土地利用现状图",
    "title_en": "Tianshui 1:500000 Land Use Status Map",
    "ds_abstract": "<p>该数据数字化自图纸的《天水土地利用现状图》,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>天水土地利用现状图(landuse)、河流(River)、道路(Road)、点状居民地、面状居民地</p>\n<p>3、数据字段及属性</p>\n<p>类型编号 土地资源类 Land_type</p>\n<p>88 裸岩 Exposedrock</p>\n<p>86 裸土 Bareground</p>\n<p>85 沙滩和干沟 Sandy flat and dryvally</p>\n<p>446 牛尾蒿、杂类草 G1.Artemisia Subdinguata mixed herbs</p>\n<p>445 蕨、杂类草 G1.PteridiumaquilinumVar.latiusculummixedherbs 444 珠芽蓼、禾草 G1.Polygonumriciparum,grasses</p>\n<p>443 黄蔷薇、绣线菊灌木杂类草 G1.Rosa hugonis,Spiraea canescens scrub mixed w\n<p>442 忍冬、胡颓子灌丛杂类草 G1.Lonicera japonica Elueagas pungens shurb mixed hrbs</p>\n<p>441 虎榛子、灌木杂类草 G1.Ostryopsis daridiana scrub mixed herbs",
    "ds_source": "<p>该数据数字化自图纸的《天水土地利用现状图》,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": "甘肃省天水",
    "ds_acq_lon_east": 108.55,
    "ds_acq_lat_south": 34.0,
    "ds_acq_lon_west": 104.19972222222222,
    "ds_acq_lat_north": 36.46666666666667,
    "ds_acq_alt_low": null,
    "ds_acq_alt_high": null,
    "ds_share_type": "login-access",
    "ds_total_size": 1635007,
    "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": "acce013f-bc25-400a-83f3-bec0854fb6e3.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": "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 16:41:29",
    "last_updated": "2025-04-29 15:04:33",
    "protected": false,
    "protected_to": null,
    "lang": "zh",
    "cstr": "11738.11.ncdc.Westdc.2020.311",
    "i18n": {
        "en": {
            "title": "Tianshui 1:500000 Land Use Status Map",
            "ds_format": "Vector",
            "ds_source": "<p>The data is digitized from Tianshui Land Use Status Map, 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 dataset is controlled for quality through strict manual review</p>",
            "ds_ref_way": "",
            "ds_abstract": "<p>The data is digitized from Tianshui Land Use Status Map, which is a national key scientific and technological research project during the Seventh Five Year Plan period: \"Three North\" Protection forest remote sensing comprehensive survey, one of the series maps of Gansu, Qinghai and Ningxia type areas. The information is as follows:\n<p>Land use map, river, road, point residential land, and area residential land in Tianshui</p>\n<p>3. Data Fields and Properties</p>\n<p>Type number Land resource class Land_ Type</p>\n<p>88 Exposerock</p>\n<p>86 Bareground</p>\n<p>Sandy flat and dryvally</p>\n<p>446 Artemisia Subdinguata mixed herbs</p>\n<p>445 Pteridium aquilinum Var. latiusculum mixedherbs 444 Bistorta vivipara, grasses</p>\n<p>443 Rosa hugonis, Spiraea salicifolia canescens scrub mixed w\n<p>442 Lonicera japonica Elueagas pungens shrub mixed hrbs</p>\n<p>441 Hazelnut and Shrub Mixed Herbs G1. Ostropsis daridiana Scrub Mixed Herbs</p></p></p>",
            "ds_time_res": "",
            "ds_acq_place": "Tianshui, Gansu Province",
            "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": ""
        }
    },
    "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,
    "is_paper_in_submitting": false,
    "ds_topic_tags": [
        "土地利用",
        "土地覆被",
        "土地分类"
    ],
    "ds_subject_tags": [
        "自然地理学"
    ],
    "ds_class_tags": [],
    "ds_locus_tags": [
        "天水"
    ],
    "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"
}