{
    "created": "2026-07-17 12:21:42",
    "updated": "2026-08-20 11:16:08",
    "id": "680c0439-1702-4a3f-a13e-0a8522ae0c8f",
    "version": 0,
    "ds_topic": null,
    "title_cn": "全国30米土地覆盖数据",
    "title_en": "ETMonitor in Hetian River Basin",
    "ds_abstract": "<p>CLCD（China Land Cover Dataset）数据集由武汉大学黄昕老师公布，黄昕老师基于Google Earth Engine上335,709景Landsat数据，制作中国年度土地覆盖数据集（annual China Land Cover Dataset, CLCD），包含1985+1990—2020中国逐年土地覆盖信息。</p>",
    "ds_source": "",
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    "ds_quality": "",
    "ds_acq_start_time": null,
    "ds_acq_end_time": null,
    "ds_acq_place": "",
    "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": "open-access",
    "ds_total_size": 3255746950,
    "ds_files_count": 7,
    "ds_format": "Geotiff格式",
    "ds_space_res": "30米",
    "ds_time_res": "年",
    "ds_coordinate": "WGS84",
    "ds_projection": "WGS84",
    "ds_thumbnail": "680c0439-1702-4a3f-a13e-0a8522ae0c8f.png",
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    "organization_id": "a5877b42-96ea-4f13-af7e-246f355413d6",
    "doi_value": "",
    "subject_codes": [
        "170.45"
    ],
    "quality_level": 1,
    "publish_time": "2026-08-20 10:35:08",
    "first_publish_time": null,
    "last_updated": "2026-08-20 10:35:08",
    "protected": false,
    "protected_to": null,
    "lang": "zh",
    "cstr": null,
    "license": null,
    "extra": null,
    "files_shape": [
        {
            "name": "PD2505N023C01-全国30米土地覆盖数据",
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    "data_level": 0,
    "i18n": {
        "en": {
            "title": "ETMonitor in Hetian River Basin",
            "ds_abstract": "The CLCD (China Land Cover Dataset) dataset was published by Professor Huang Xin of Wuhan University. Based on 335,709 Landsat data on Google Earth Engine, Huang Xin produced the annual China Land Cover Dataset (CLCD), which includes annual land cover information in China from 1985+1990 to 2020.",
            "ds_source": "",
            "ds_process_way": "",
            "ds_quality": "",
            "ds_acq_place": "",
            "ds_ref_instruction": "",
            "ds_ref_way": "",
            "ds_format": "Geotiff format",
            "ds_projection": "",
            "ds_space_res": "",
            "ds_time_res": ""
        }
    },
    "license_type": null,
    "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": [
        "土地覆被"
    ],
    "ds_subject_tags": [
        "地理学"
    ],
    "ds_class_tags": [],
    "ds_locus_tags": [
        "中国"
    ],
    "ds_time_tags": [
        2004,
        2009,
        2014,
        2019
    ],
    "ds_contributors": [
        "张思源"
    ],
    "ds_meta_authors": [
        "张思源"
    ],
    "ds_managers": [
        "张思源"
    ],
    "category": "土地利用/土地覆被"
}