{
    "created": "2026-07-01 18:15:20",
    "updated": "2026-07-13 12:34:59",
    "id": "2d98caf9-4bf9-4b19-b271-265a5e577901",
    "version": 2,
    "ds_topic": null,
    "title_cn": "汉江流域丹江口水库以上流域基于CBAM-UNet的高精度降水基准数据集（1980-2020年）",
    "title_en": "High-precision precipitation benchmark dataset for the upper reaches of the Danjiangkou Reservoir in the Han River basin based on CBAM-UNet from 1980 to 2020",
    "ds_abstract": "<p>&emsp;&emsp;本数据集为1980-2020年汉江流域丹江口水库上游区域高精度降水基准数据集，采用基于CBAM注意力机制改进的UNet深度学习模型构建，属于降水融合产品。数据集融合了中国区域地面气象要素驱动数据集CN05.1的站点观测降水数据，以及ERA5全球再分析降水格点数据，充分结合了地面站点观测的精度优势与再分析产品的空间覆盖完整性。\n<p>&emsp;&emsp;数据集完整覆盖40年长时间序列，通过CBAM-UNet模型有效挖掘了降水场的空间结构特征与局部变化规律，数据时空分辨率可满足流域精细化水文模拟的实际需求。\n<p>&emsp;&emsp;包含1980-2020逐月流域高精度降水数据（0.1°*0.1°）。",
    "ds_source": "<p>&emsp;&emsp;1.基础数据为CN05.1的观测降水和ERA5的再分析降水数据\n<p>&emsp;&emsp;2.采用构建的CBAM-UNet模型进行融合后获取融合数据",
    "ds_process_way": "<p>&emsp;&emsp;采用CBAM-UNet模型生成。</p>",
    "ds_quality": "<p>&emsp;&emsp;数据比较准确，达到精度要求。</p>",
    "ds_acq_start_time": "1980-01-01 00:00:00",
    "ds_acq_end_time": "2020-12-31 00:00:00",
    "ds_acq_place": "汉江流域丹江口以上",
    "ds_acq_lon_east": 111.83333333333333,
    "ds_acq_lat_south": 31.333333333333332,
    "ds_acq_lon_west": 106.25,
    "ds_acq_lat_north": 34.333333333333336,
    "ds_acq_alt_low": null,
    "ds_acq_alt_high": null,
    "ds_share_type": "apply-access",
    "ds_total_size": 4482120,
    "ds_files_count": 0,
    "ds_format": "*.tif",
    "ds_space_res": "0.1°",
    "ds_time_res": "月",
    "ds_coordinate": "无",
    "ds_projection": "",
    "ds_thumbnail": "2d98caf9-4bf9-4b19-b271-265a5e577901.png",
    "ds_thumb_from": 2,
    "ds_ref_way": "",
    "paper_ref_way": "",
    "ds_ref_instruction": "",
    "ds_from_station": "",
    "organization_id": "44547705-9513-4685-a641-661bdf406520",
    "ds_serv_man": "",
    "ds_serv_phone": "",
    "ds_serv_mail": "",
    "doi_value": "",
    "subject_codes": [
        "170.55"
    ],
    "quality_level": 0,
    "publish_time": "2026-07-13 17:48:06",
    "last_updated": "2026-07-13 17:48:06",
    "protected": false,
    "protected_to": "2027-01-01 00:00:00",
    "lang": "zh",
    "cstr": "",
    "i18n": {
        "en": {
            "title": "High-precision precipitation benchmark dataset for the upper reaches of the Danjiangkou Reservoir in the Han River basin based on CBAM-UNet from 1980 to 2020",
            "ds_format": "*.tif",
            "ds_source": "<p>&emsp;&emsp;1. The basic data are CN05.1 observed precipitation and ERA5 reanalysis precipitation data\r\n<p>&emsp;&emsp;2. Use the constructed CBAM-UNet model to perform fusion and obtain fusion data",
            "ds_quality": "<p>&emsp;&emsp;The data is relatively accurate and meets the accuracy requirements. </p>",
            "ds_ref_way": "",
            "ds_abstract": "<p>&emsp;&emsp;This dataset is a high-precision precipitation benchmark dataset in the upper reaches of Danjiangkou Reservoir in the Hanjiang River Basin from 1980 to 2020. It is constructed using a UNet deep learning model improved based on the CBAM attention mechanism and belongs to a precipitation fusion product. The dataset integrates the station observation precipitation data of the China regional surface meteorological element-driven dataset CN05.1 and the ERA5 global reanalysis precipitation grid data, fully combining the accuracy advantages of ground station observations with the spatial coverage integrity of reanalysis products.\r\n<p>&emsp;&emsp;The data set completely covers the 40-year long time series. The CBAM-UNet model effectively mines the spatial structure characteristics and local change laws of the precipitation field. The spatio-temporal resolution of the data can meet the actual needs of refined hydrological simulation of the river basin.\r\n<p>&emsp;&emsp;Contains monthly high-precision precipitation data in the basin from 1980 to 2020 (0.1°*0.1°).",
            "ds_time_res": "",
            "ds_acq_place": "Above Danjiangkou in the Han River Basin",
            "ds_space_res": "",
            "ds_projection": "",
            "ds_process_way": "<p>&emsp;&emsp;Generated using CBAM-UNet model. </p>",
            "ds_ref_instruction": "None"
        }
    },
    "submit_center_id": "ncdc",
    "data_level": 0,
    "recommendation_value": 0,
    "license_type": "https://creativecommons.org/licenses/by/4.0/",
    "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,
    "belong_to_nieer": false,
    "ds_topic_tags": [
        "降水融合"
    ],
    "ds_subject_tags": [
        "水文学"
    ],
    "ds_class_tags": [],
    "ds_locus_tags": [
        "汉江流域丹江口以上流域"
    ],
    "ds_time_tags": [
        1980,
        1981,
        1982,
        1983,
        1984,
        1985,
        1986,
        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
    ],
    "ds_contributors": [
        {
            "true_name": "刘勇",
            "email": "yongliu@nhri.cn",
            "work_for": "水利部交通运输部国家能源局南京水利科学研究院",
            "country": "中国"
        }
    ],
    "ds_meta_authors": [
        {
            "true_name": "刘勇",
            "email": "yongliu@nhri.cn",
            "work_for": "水利部交通运输部国家能源局南京水利科学研究院",
            "country": "中国"
        }
    ],
    "ds_managers": [
        {
            "true_name": "刘勇",
            "email": "yongliu@nhri.cn",
            "work_for": "水利部交通运输部国家能源局南京水利科学研究院",
            "country": "中国"
        }
    ],
    "category": "其他"
}