{
    "created": "2020-04-24 04:46:44",
    "updated": "2026-05-06 07:23:30",
    "id": "af95c813-f880-454a-adae-c0e36f132a4d",
    "version": null,
    "ds_topic": "08041275-2f42-4e77-bf0f-58e4efe226db",
    "title_cn": "黑河中上游典型下垫面NDVI观测数据（2009年）",
    "title_en": "NDVI observation data of upper reaches of Heihe River in 2009",
    "ds_abstract": "<p>本数据集包括了8个黑河中上游典型下垫面(草地、大麦、小麦、油菜、小麦、玉米、荒漠)样地的NDVI实测数据，测量日期为：2009年5月-8月，共6组数据。研究不同下垫面类型的NDVI时间序列变化，并可用于评价时序NDVI数据集重建方法的优劣，以发展更好的NDVI重建方法。数据文件名称：黑河中上游NDVI观测数据集（2009）.xls，包含1个表：NDVI2009，包含了NDVI测量时的样地名称、下垫面类型、地理位置和不同观测日期的NDVI测量值。NDVI属于无量纲值。\n数据采集地点共有八个，主要分布在黑河流域的中上游，分别为：祁连县俄堡、民乐县扁都口、民乐县南丰、民乐县永固、民乐县三堡、张掖市甘州区小满、张掖市南部安阳滩。详细坐标见数据集。坐标类型：地理坐标（经纬度）。数据采集时间为2009年5月-8月，具体为：2009-5-26、2009-6-6、2009-6-14、2009-7-11、2009-7-26、2009-8-6。\n</p>",
    "ds_source": "<p>观测仪器：SKL 904 SpectroSense2。观测方法：使用仪器测量NDVI时，尽量选择晴朗、无云、无风或微风天气，时间为上午10点至下午3点，以此获取的NDVI可作为周期内最大的NDVI。采集时间：从2009年5月下旬至8月上旬，共6组数据。采样周期：时间间隔为10天。</p>",
    "ds_process_way": "<p>本数据表是专人根据SKL 904 SpectroSense2仪器的读数，记录到表格中，并手工录入。</p>",
    "ds_quality": "<p>严格按照仪器操作规范进行观测和数据采集，并已经在相关学术期刊发表。在加工生成数据表时，剔除了一些明显误差数据。</p>",
    "ds_acq_start_time": "2009-05-01 00:00:00",
    "ds_acq_end_time": "2009-08-01 00:00:00",
    "ds_acq_place": "黑河流域中上游",
    "ds_acq_lon_east": 100.96666666666667,
    "ds_acq_lat_south": 37.95,
    "ds_acq_lon_west": 100.36666666666666,
    "ds_acq_lat_north": 38.766666666666666,
    "ds_acq_alt_low": null,
    "ds_acq_alt_high": null,
    "ds_share_type": "apply-access",
    "ds_total_size": 28160,
    "ds_files_count": 2,
    "ds_format": "excel",
    "ds_space_res": null,
    "ds_time_res": "天",
    "ds_coordinate": "WGS84",
    "ds_projection": "",
    "ds_thumbnail": "af95c813-f880-454a-adae-c0e36f132a4d.png",
    "ds_thumb_from": 0,
    "ds_ref_way": "马明国，黑河中上游典型下垫面NDVI观测数据（2009年），国家冰川冻土沙漠科学数据中心(www.ncdc.ac.cn)，2020，doi：10.12072/ncdc.973Desert.db0046.2020",
    "paper_ref_way": "",
    "ds_ref_instruction": "",
    "ds_from_station": null,
    "organization_id": "eb2b3ac4-919d-433d-b987-bcee1ae83c9e",
    "ds_serv_man": "敏玉芳",
    "ds_serv_phone": "0931-4967596",
    "ds_serv_mail": "ncdc@lzb.ac.cn",
    "doi_value": "",
    "subject_codes": null,
    "quality_level": 3,
    "publish_time": "2020-12-22 09:10:33",
    "last_updated": "2020-12-22 09:10:33",
    "protected": false,
    "protected_to": null,
    "lang": "zh",
    "cstr": "11738.11.ncdc.973Desert.2020.113",
    "i18n": {
        "en": {
            "title": "NDVI observation data of upper reaches of Heihe River in 2009",
            "ds_format": "",
            "ds_source": "",
            "ds_quality": "",
            "ds_ref_way": "",
            "ds_abstract": "",
            "ds_time_res": "天",
            "ds_acq_place": "",
            "ds_space_res": "",
            "ds_projection": "",
            "ds_process_way": "",
            "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": [
        "NDVI",
        "典型下垫面",
        "黑河中上游"
    ],
    "ds_subject_tags": [
        "自然地理学"
    ],
    "ds_class_tags": [],
    "ds_locus_tags": [
        "张掖市南部安阳滩",
        "黑河流域中上游",
        "民乐县扁都口",
        "民乐县永固",
        "民乐县南丰",
        "张掖市甘州区小满",
        "民乐县三堡",
        "祁连县俄堡"
    ],
    "ds_time_tags": [
        2009
    ],
    "ds_contributors": [
        {
            "true_name": "马明国",
            "email": "mmg@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_meta_authors": [
        {
            "true_name": "马明国",
            "email": "mmg@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": "王涛",
            "email": "wangtao@lzb.ac.cn",
            "work_for": "中国科学院西北生态环境资源研究院",
            "country": "中国"
        },
        {
            "true_name": "马明国",
            "email": "mmg@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"
}