{
    "created": "2019-10-09 10:25:12",
    "updated": "2026-04-18 20:30:59",
    "id": "c8e9fbcc-a23c-4f39-8973-7c487a68e2d1",
    "version": 2,
    "ds_topic": "f984e3ab-3d1a-4e25-ae80-d307f0d80c23",
    "title_cn": "黑河流域Landsat MSS遥感影像数据集",
    "title_en": "The Landsat MSS remote sensing imagery dataset in the Heihe River Basin",
    "ds_abstract": "<p>1972年7月23日，美国发射了世界上第一颗资源卫星“陆地卫星”1号，此后10年里又相继发射了陆地卫星2号和3号，这3颗卫星属于第一代资源卫星，装有返束光导摄像机和多光谱扫描仪（MSS），分别有3、4个谱段，分辨率为79m，幅宽为185Km。</p>\n\n<p>黑河流域目前共有MSS数据28景，获取时间分别为1972-10-14，1972-10-30，1973-01-10，1973-01-31，1973-02-16，1973-06-04，1973-10-07，1973-10-28（2景），1973-12-22，1974-01-05，1975-10-07，1975-10-09，1976-07-04，1976-10-18，1976-11-07，1976-11-27，1976-12-30，1977-01-19，1977-02-07，1977-04-20，1977-05-06(2景)，1977-05-08， 1977-06-10，1977-06-29，1977-07-18， 1978-10-09。</p>\n\n<p>影像经过正射纠正。</p>",
    "ds_source": "<p>Landsat MSS数据</p>",
    "ds_process_way": "<p>影像经过正射纠正</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": "1972-07-01 00:00:00",
    "ds_acq_end_time": "1978-12-15 00:00:00",
    "ds_acq_place": "黑河流域",
    "ds_acq_lon_east": 104.19972222222222,
    "ds_acq_lat_south": 37.7,
    "ds_acq_lon_west": 96.01666666666667,
    "ds_acq_lat_north": 43.25,
    "ds_acq_alt_low": null,
    "ds_acq_alt_high": null,
    "ds_share_type": "login-access",
    "ds_total_size": 741808727,
    "ds_files_count": 3,
    "ds_format": "栅格",
    "ds_space_res": "90.0m",
    "ds_time_res": "",
    "ds_coordinate": "WGS84",
    "ds_projection": "+proj=longlat +datum=WGS84 +no_defs ",
    "ds_thumbnail": "c8e9fbcc-a23c-4f39-8973-7c487a68e2d1.png",
    "ds_thumb_from": 0,
    "ds_ref_way": "",
    "paper_ref_way": "",
    "ds_ref_instruction": "本数据来源于美国马里兰大学Global Land Cover Facility数据库,由国家自然科学基金委员会“中国西部环境与生态科学数据中心” 收集整理，用户在使用数据时请在正文中明确声明数据的来源,并在致谢中提及本数据中心。",
    "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": "ncdc@lzb.ac.cn",
    "doi_value": "",
    "subject_codes": [
        "170.45"
    ],
    "quality_level": 3,
    "publish_time": "2020-12-22 10:53:45",
    "last_updated": "2023-08-23 16:46:58",
    "protected": false,
    "protected_to": null,
    "lang": "zh",
    "cstr": "11738.11.ncdc.Westdc.2020.459",
    "i18n": {
        "en": {
            "title": "The Landsat MSS remote sensing imagery dataset in the Heihe River Basin",
            "ds_format": "Raster",
            "ds_source": "<p>LANDSAT MSS data</p>",
            "ds_quality": "<p>Data set quality control through strict manual audit</p>",
            "ds_ref_way": "",
            "ds_abstract": "<p>On July 23, 1972, the United States launched landsat-1, the world's first resource satellite, and then launched landsat-2 and landsat-3 successively in the following 10 years. These three satellites belong to the first generation of resource satellites, which are equipped with a return beam photoconductive camera and a multispectral scanner (MSS), with three or four spectral segments, with a resolution of 79M and a width of 185km. </p>\n<p>At present, there are 28 MSS data in Heihe River Basin, and the acquisition time is 1972-10-141972-10-301973-01-101973-01-311973-02-161973-06-041973-10-071973-10-28 (2 scenes), 1973-12-221974-01-051975-10-071975-10-091976-07-041976-10-181976-11-071976-11-271976-12-301977-01-191977-02-071977-04-201977-05-06 (2 Jing), 1977-05-081977-06-101977-06-291977-07-181978-10-09. </p>\n<p>The image was corrected by orthophoto. </p>",
            "ds_time_res": "",
            "ds_acq_place": "Heihe River Basin",
            "ds_space_res": "90.0m",
            "ds_projection": "+proj=longlat +datum=WGS84 +no_defs ",
            "ds_process_way": "<p>Image corrected by orthophoto</p>",
            "ds_ref_instruction": "This data is from the global land cover facility database of the University of Maryland, USA. It is collected and collated by the \"Western China Environmental and ecological science data center\" of the National Natural Science Foundation of China. When using the data, the user should clearly state the data source in the text and mention this data center in the acknowledgment."
        }
    },
    "submit_center_id": "ncdc",
    "data_level": 0,
    "license_type": "CC BY 4.0",
    "ds_topic_tags": [
        "遥感影像",
        "MSS",
        "Landsat"
    ],
    "ds_subject_tags": [
        "地理学"
    ],
    "ds_class_tags": [],
    "ds_locus_tags": [
        "黑河流域"
    ],
    "ds_time_tags": [
        1972,
        1973,
        1974,
        1975,
        1976,
        1977,
        1978
    ],
    "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": "胡宁科",
            "email": "changsheng0909@126.com",
            "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": "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": "遥感及产品"
}