{
    "created": "2026-08-26 16:40:00",
    "updated": "2026-08-27 03:57:36",
    "id": "850d643d-1e68-497c-b94b-74e7138777b4",
    "version": 0,
    "ds_topic": null,
    "title_cn": "SSA法填补后的GRACE数据产品",
    "title_en": "GRACE data products after SSA method filling",
    "ds_abstract": "<p>本数据集是GRACE/GRACE-FO RL06 Mascon Solutions数据产品，具体包括：JPL-M、CSR-M、GSFC-M。本数据是SSA法填补后的数据，格式为Geotiff格式，空间分辨率为0.5°。</p>",
    "ds_source": "",
    "ds_process_way": "<p>使用Singular Spectrum Analysis (SSA)法弥补GRACE与GRACE-FO RL06 Mascon Solutions数据产品（JPL-M、CSR-M、GSFC-M）中间一年多的数据间断及各自数据之间存在的个别月份的缺失数据，为中蒙阿尔泰区域长期的陆地水储量变化分析提供了完整的时间序列，并将CSR产品重采样至0.5°。</p>",
    "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": 17954543,
    "ds_files_count": 772,
    "ds_format": "Geotiff格式",
    "ds_space_res": "0.5°",
    "ds_time_res": "月",
    "ds_coordinate": "WGS84",
    "ds_projection": "WGS84",
    "ds_thumbnail": "850d643d-1e68-497c-b94b-74e7138777b4.png",
    "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": "2026-08-26 20:06:02",
    "first_publish_time": null,
    "last_updated": "2026-08-26 20:06:02",
    "protected": false,
    "protected_to": null,
    "lang": "zh",
    "cstr": null,
    "license": null,
    "extra": null,
    "files_shape": [
        {
            "name": "CSR-M",
            "size": null,
            "is_dir": true
        },
        {
            "name": "GSFC",
            "size": null,
            "is_dir": true
        },
        {
            "name": "JPL-M",
            "size": null,
            "is_dir": true
        }
    ],
    "features": null,
    "data_level": 0,
    "i18n": {
        "en": {
            "title": "GRACE data products after SSA method filling",
            "ds_abstract": "This dataset is a data product of GRACE/GRACE-FO RL06 Mascon Solutions, which specifically includes: JPL-M, CSR-M, and GSFC-M. This data is imbedded by SSA method. The format is Geotiff format and the spatial resolution is 0.5°.",
            "ds_source": "",
            "ds_process_way": "Singular Spectrum Analysis (SSA) method was used to make up for the data gap of more than one year between GRACE and GRACE-FO RL06 Mascon Solutions data products (JPL-M, CSR-M, GSFC-M) and the missing data in individual months between their respective data, providing a complete time series for long-term land water reserve change analysis in the China-Mongolia-Altai Region, and re-sampling the CSR product to 0.5°.",
            "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": [
        "GRACE产品",
        "陆地水储量"
    ],
    "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"
}