{
    "created": "2026-08-26 17:38:34",
    "updated": "2026-10-13 23:00:43",
    "id": "b8700782-87c6-40ef-b3fa-53551d46a9d4",
    "version": 0,
    "ds_topic": null,
    "title_cn": "2002-2023年中蒙阿尔泰区域陆地总水储量异常数据产品（TWSA）",
    "title_en": "2002-2023 Mid-year Total Land Water Reserves Anomaly Data Product (TWSA) in the Mongolia-Altai Region",
    "ds_abstract": "<p>本数据集是中蒙阿尔泰区域陆地总水储量异常数据产品（TWSA），数据时间为2002.04-2023.05，数据格式为Geotiff格式，空间分辨率为0.1°。</p>",
    "ds_source": "",
    "ds_process_way": "<p>使用GRACE卫星重力数据GRACE/GRACE-FO RL06 Mascon Solutions、GPCC降水数据、ERA5-Land气温数据等数据集，通过建立结合残差校正的随机森林降尺度模型，得到中蒙阿尔泰区域陆地水储量变化数据集。</p>",
    "ds_quality": "",
    "ds_acq_start_time": null,
    "ds_acq_end_time": null,
    "ds_acq_place": "",
    "ds_acq_lon_east": null,
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    "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": 21930200,
    "ds_files_count": 1,
    "ds_format": "Geotiff格式",
    "ds_space_res": "0.1°",
    "ds_time_res": "月",
    "ds_coordinate": "WGS84",
    "ds_projection": "WGS84",
    "ds_thumbnail": "b8700782-87c6-40ef-b3fa-53551d46a9d4.jpg",
    "ds_thumb_from": 0,
    "ds_ref_way": "",
    "paper_ref_way": "",
    "ds_ref_instruction": "",
    "ds_from_station": null,
    "organization_id": "a5877b42-96ea-4f13-af7e-246f355413d6",
    "doi_value": "",
    "subject_codes": [
        "170.55"
    ],
    "quality_level": 1,
    "publish_time": "2026-10-13 13:07:36",
    "first_publish_time": null,
    "last_updated": "2026-10-13 13:07:36",
    "protected": false,
    "protected_to": null,
    "lang": "zh",
    "cstr": null,
    "license": null,
    "extra": null,
    "files_shape": [
        {
            "name": "TWSA.zip",
            "size": 21930200,
            "is_dir": false
        }
    ],
    "features": null,
    "data_level": 0,
    "i18n": {
        "en": {
            "title": "2002-2023 Mid-year Total Land Water Reserves Anomaly Data Product (TWSA) in the Mongolia-Altai Region",
            "ds_abstract": "This dataset is a total land water reserve anomaly data product (TWSA) in the Central Mongolia Altai Region. The data time is from 2002.04 to 2023.05. The data format is Geotiff format, and the spatial resolution is 0.1°.",
            "ds_source": "",
            "ds_process_way": "Using GRACE satellite gravity data GRACE/GRACE-FO RL06 Mascon Solutions, GPCC precipitation data, ERA5-Land temperature data and other data sets, a random forest down-scaling model combined with residual correction was established to obtain a data set of land water reserve changes in the China-Mongolia-Altay region.",
            "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": [
        "陆地总水储量异常",
        "TWSA"
    ],
    "ds_subject_tags": [
        "水文学"
    ],
    "ds_class_tags": [],
    "ds_locus_tags": [
        "中蒙阿尔泰区域"
    ],
    "ds_time_tags": [
        2002,
        2003,
        2004,
        2005,
        2006,
        2007,
        2008,
        2009,
        2010,
        2011,
        2012,
        2013,
        2014,
        2015,
        2016,
        2017,
        2018,
        2019,
        2020,
        2021,
        2022,
        2023
    ],
    "ds_contributors": [
        "闫英杰"
    ],
    "ds_meta_authors": [
        "闫英杰"
    ],
    "ds_managers": [
        "周宏飞"
    ],
    "category": "水文"
}