{
    "created": "2026-01-28 09:59:57",
    "updated": "2026-04-03 21:35:21",
    "id": "e5747543-0744-4c23-8b99-f7a932086308",
    "version": 7,
    "ds_topic": null,
    "title_cn": "LI-CCR：基于插补 MODIS 观测的全球寒区湖泊冰情日演变数据集（2002-2024）",
    "title_en": "LI-CCR: Dataset of daily lake ice evolution (2002-2024) across global cold climate regions based on gap-filled MODIS observations",
    "ds_abstract": "<p>&emsp;&emsp;LI-CCR 数据集提供了全球寒区 32800 个湖泊的逐日湖冰覆盖度、年度湖冰物候及完全封冻发生概率的全球监测数据。该数据集的时间跨度为 2002 年 8 月 1 日至 2024 年 7 月 31 日，覆盖北半球 22 个完整的冻融周期、南半球 21 个完整的冻融周期。",
    "ds_source": "<p>&emsp;&emsp;数据来源于zenodo网站https://zenodo.org/records/18205988。",
    "ds_process_way": "<p>&emsp;&emsp;监测记录。",
    "ds_quality": "<p>&emsp;&emsp;数据质量较好。",
    "ds_acq_start_time": "2002-08-01 00:00:00",
    "ds_acq_end_time": "2024-07-31 00:00:00",
    "ds_acq_place": "全球",
    "ds_acq_lon_east": null,
    "ds_acq_lat_south": null,
    "ds_acq_lon_west": null,
    "ds_acq_lat_north": null,
    "ds_acq_alt_low": null,
    "ds_acq_alt_high": null,
    "ds_share_type": "login-access",
    "ds_total_size": 3707867720,
    "ds_files_count": 2,
    "ds_format": "csv、gpkg",
    "ds_space_res": "",
    "ds_time_res": "日",
    "ds_coordinate": "无",
    "ds_projection": "",
    "ds_thumbnail": "e5747543-0744-4c23-8b99-f7a932086308.png",
    "ds_thumb_from": 2,
    "ds_ref_way": "",
    "paper_ref_way": "",
    "ds_ref_instruction": "",
    "ds_from_station": null,
    "organization_id": "0a4269e1-65f4-45f1-aeba-88ea3068eebf",
    "ds_serv_man": "敏玉芳",
    "ds_serv_phone": "0931-4967596",
    "ds_serv_mail": "ncdc@lzb.ac.cn",
    "doi_value": "",
    "subject_codes": [
        "170.5540"
    ],
    "quality_level": 3,
    "publish_time": "2026-01-30 17:36:46",
    "last_updated": "2026-01-30 17:36:46",
    "protected": false,
    "protected_to": null,
    "lang": "zh",
    "cstr": "11738.11.NCDC.ZENODO.DB7082.2026",
    "license": null,
    "i18n": {
        "en": {
            "title": "LI-CCR: Dataset of daily lake ice evolution (2002-2024) across global cold climate regions based on gap-filled MODIS observations",
            "ds_format": "csv、gpkg",
            "ds_source": "<p>&emsp;Data sourced from Zenodo website https://zenodo.org/records/18205988 .",
            "ds_quality": "<p>&emsp;The data quality is good.",
            "ds_ref_way": "",
            "ds_abstract": "<p>&emsp;The LI-CCR dataset provides global monitoring data on daily lake ice cover, annual lake ice phenology, and probability of complete freezing for 32800 lakes in cold regions worldwide. The time span of this dataset is from August 1, 2002 to July 31, 2024, covering 22 complete freeze-thaw cycles in the Northern Hemisphere and 21 complete freeze-thaw cycles in the Southern Hemisphere.",
            "ds_time_res": "日",
            "ds_acq_place": "global",
            "ds_space_res": "",
            "ds_projection": "",
            "ds_process_way": "<p>&emsp;Monitoring records.",
            "ds_ref_instruction": ""
        }
    },
    "submit_center_id": "ncdc",
    "data_level": 0,
    "license_type": "CC BY 4.0",
    "ds_topic_tags": [
        "寒区",
        "湖泊",
        "冰情"
    ],
    "ds_subject_tags": [
        "湖沼学"
    ],
    "ds_class_tags": [],
    "ds_locus_tags": [
        "全球"
    ],
    "ds_time_tags": [
        2002,
        2003,
        2004
    ],
    "ds_contributors": [
        {
            "true_name": "邱玉宝",
            "email": "qiuyb@aircas.ac.cn",
            "work_for": "中国科学院空天信息创新研究院",
            "country": "中国"
        }
    ],
    "ds_meta_authors": [
        {
            "true_name": "邱玉宝",
            "email": "qiuyb@aircas.ac.cn",
            "work_for": "中国科学院空天信息创新研究院",
            "country": "中国"
        }
    ],
    "ds_managers": [
        {
            "true_name": "邱玉宝",
            "email": "qiuyb@aircas.ac.cn",
            "work_for": "中国科学院空天信息创新研究院",
            "country": "中国"
        }
    ],
    "category": "极地"
}