{
    "created": "2026-04-27 10:35:57",
    "updated": "2026-04-28 06:46:14",
    "id": "ec14183a-624b-4f87-a635-c031300f151a",
    "version": 8,
    "ds_topic": null,
    "title_cn": "黄河流域逐月河冰数据（1987-2023年）",
    "title_en": "Monthly River Ice Data in the Yellow River Basin (1987-2023)",
    "ds_abstract": "<p>&emsp;&emsp;本数据集用 Landsat 系列卫星影像作为数据源，数据获取自GEE平台的地表反射率Tier 1数据集，利用机器学习方法构建了黄河流域长时间序列河冰覆盖数据集，平均Kappa系数 0.85以上。",
    "ds_source": "",
    "ds_process_way": "",
    "ds_quality": "",
    "ds_acq_start_time": "1987-11-01 00:00:00",
    "ds_acq_end_time": "2023-03-31 00:00:00",
    "ds_acq_place": "黄河流域",
    "ds_acq_lon_east": 95.89555555555556,
    "ds_acq_lat_south": null,
    "ds_acq_lon_west": null,
    "ds_acq_lat_north": 32.15888888888889,
    "ds_acq_alt_low": null,
    "ds_acq_alt_high": null,
    "ds_share_type": "apply-access",
    "ds_total_size": 119489694,
    "ds_files_count": 172,
    "ds_format": "*.tif",
    "ds_space_res": "30米",
    "ds_time_res": "月",
    "ds_coordinate": "WGS84",
    "ds_projection": "",
    "ds_thumbnail": "ec14183a-624b-4f87-a635-c031300f151a.png",
    "ds_thumb_from": 2,
    "ds_ref_way": "",
    "paper_ref_way": "",
    "ds_ref_instruction": "",
    "ds_from_station": null,
    "organization_id": "52b7b79b-860c-49a5-9083-9a70cf8bed5a",
    "ds_serv_man": "李红星",
    "ds_serv_phone": "0931-4967592",
    "ds_serv_mail": "ncdc@lzb.ac.cn",
    "doi_value": "",
    "subject_codes": [
        "170.55"
    ],
    "quality_level": 0,
    "publish_time": "2026-04-28 11:30:36",
    "last_updated": "2026-04-28 11:30:36",
    "protected": false,
    "protected_to": "2026-10-25 00:00:00",
    "lang": "zh",
    "cstr": "11738.11.NCDC.RIVER_ICE.DB7310.2026",
    "i18n": {
        "en": {
            "title_en": "Monthly River Ice Data in the Yellow River Basin",
            "ds_format_en": "*.tif",
            "ds_source_en": "",
            "ds_quality_en": "",
            "ds_ref_way_en": "",
            "ds_abstract_en": "",
            "ds_time_res_en": "",
            "ds_acq_place_en": "Yellow River Basin",
            "ds_space_res_en": "",
            "ds_projection_en": "",
            "ds_process_way_en": "",
            "ds_ref_instruction_en": ""
        }
    },
    "submit_center_id": "ncdc",
    "data_level": 0,
    "license_type": "CC BY 4.0 (Creative Commons Attribution 4.0 International License)",
    "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": [
        "河冰",
        "黄河流域",
        "水文"
    ],
    "ds_subject_tags": [
        "水文学"
    ],
    "ds_class_tags": [],
    "ds_locus_tags": [
        "黄河流域"
    ],
    "ds_time_tags": [
        1987,
        1988,
        1989,
        1990,
        1991,
        1992,
        1993,
        1994,
        1995,
        1996,
        1997,
        1998,
        1999,
        2000,
        2001,
        2002,
        2003,
        2004,
        2005,
        2006,
        2007,
        2008,
        2009,
        2010,
        2011,
        2012,
        2013,
        2014,
        2015,
        2016,
        2017,
        2018,
        2019,
        2020,
        2021,
        2022,
        2023
    ],
    "ds_contributors": [
        {
            "true_name": "苏海洋",
            "email": "haiyangsu0218@163.com",
            "work_for": "兰州交通大学",
            "country": "中国"
        }
    ],
    "ds_meta_authors": [
        {
            "true_name": "苏海洋",
            "email": "haiyangsu0218@163.com",
            "work_for": "兰州交通大学",
            "country": "中国"
        }
    ],
    "ds_managers": [
        {
            "true_name": "苏海洋",
            "email": "haiyangsu0218@163.com",
            "work_for": "兰州交通大学",
            "country": "中国"
        }
    ],
    "category": "水文"
}