{
    "created": "2020-07-13 03:27:38",
    "updated": "2026-05-01 20:29:09",
    "id": "403a0f08-8967-4836-9bbb-4b58792d3b54",
    "version": 3,
    "ds_topic": "d8ca07a6-6b46-416e-99c3-5eb87f3491b9",
    "title_cn": "黄河流域水文分析数据集——流向",
    "title_en": "Yellow River Basin Hydrological Analysis Dataset - Flow Direction",
    "ds_abstract": "<p>&emsp;&emsp;该数据集为黄河上游、中游和下游全流域的流向数据集。</p>",
    "ds_source": "<p>&emsp;&emsp;自主生产，原始黄河流域地形坡度数据集空间分辨率为30m。</p>",
    "ds_process_way": "<p>&emsp;&emsp;Hydrology水文工具软件提取，采用D8算法。</p>",
    "ds_quality": "<p>&emsp;&emsp;本数据集经过DEM改正，平面精度和高程精度均小于一个像元。</p>",
    "ds_acq_start_time": "2020-01-01 00:00:00",
    "ds_acq_end_time": "2020-03-01 00:00:00",
    "ds_acq_place": "黄河流域",
    "ds_acq_lon_east": 119.345,
    "ds_acq_lat_south": 32.84166666666667,
    "ds_acq_lon_west": 95.88194444444444,
    "ds_acq_lat_north": 41.84388888888889,
    "ds_acq_alt_low": null,
    "ds_acq_alt_high": null,
    "ds_share_type": "login-access",
    "ds_total_size": 412992663,
    "ds_files_count": 2,
    "ds_format": "tiff",
    "ds_space_res": "30",
    "ds_time_res": "",
    "ds_coordinate": "WGS84",
    "ds_projection": "WGS_1984_Word_Merctor",
    "ds_thumbnail": "403a0f08-8967-4836-9bbb-4b58792d3b54.jpg",
    "ds_thumb_from": 2,
    "ds_ref_way": "",
    "paper_ref_way": "",
    "ds_ref_instruction": "在使用数据时，请注明本数据来自国家冰川冻土沙漠科学数据中心。",
    "ds_from_station": null,
    "organization_id": "b412fac3-1f10-4eb6-9d10-c51bcea30d0c",
    "ds_serv_man": "李红星",
    "ds_serv_phone": "0931-4967596",
    "ds_serv_mail": "ncdc@lzb.ac.cn",
    "doi_value": "",
    "subject_codes": [
        "170.55"
    ],
    "quality_level": 3,
    "publish_time": "2021-09-01 08:51:43",
    "last_updated": "2025-05-29 10:51:38",
    "protected": false,
    "protected_to": null,
    "lang": "zh",
    "cstr": "11738.11.ncdc.nieer.2020.1670",
    "i18n": {
        "en": {
            "title": "Yellow River Basin Hydrological Analysis Dataset - Flow Direction",
            "ds_format": "tiff",
            "ds_source": "<p>&emsp;Produced independently, the spatial resolution of the original topographic slope dataset for the Yellow River basin is 30 meters.</p>",
            "ds_quality": "<p>&emsp;This dataset has undergone DEM correction, with both horizontal and vertical accuracies being less than one pixel.</p>",
            "ds_ref_way": "",
            "ds_abstract": "<p> This dataset contains flow direction data for the entire Yellow River basin, including its upstream, midstream, and downstream sections.</p>",
            "ds_time_res": "",
            "ds_acq_place": "Yellow River Basin",
            "ds_space_res": "30",
            "ds_projection": "WGS_1984_Word_Merctor",
            "ds_process_way": "<p>&emsp;Extracted using the Hydrology software tool, employing the D8 algorithm.</p>",
            "ds_ref_instruction": "When using data, please indicate that this data is from the national glacier, frozen soil and desert science data center."
        }
    },
    "submit_center_id": "ncdc",
    "data_level": 0,
    "license_type": "CC 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,
    "ds_topic_tags": [
        "流向",
        "水文分析",
        "黄河流域"
    ],
    "ds_subject_tags": [
        "水文学"
    ],
    "ds_class_tags": [],
    "ds_locus_tags": [
        "黄河上中下游",
        "黄河流域",
        "黄河"
    ],
    "ds_time_tags": [
        2020
    ],
    "ds_contributors": [
        {
            "true_name": "韩立钦",
            "email": "hanliqin@lzb.ac.cn",
            "work_for": "河南师范大学",
            "country": "中国"
        },
        {
            "true_name": "张耀南",
            "email": "yaonan@lzb.ac.cn",
            "work_for": "中国科学院西北生态环境资源研究院",
            "country": "中国"
        },
        {
            "true_name": "康建芳",
            "email": "kangjf@lzb.ac.cn",
            "work_for": "中国科学院西北生态环境资源研究院",
            "country": "中国"
        }
    ],
    "ds_meta_authors": [
        {
            "true_name": "韩立钦",
            "email": "hanliqin@lzb.ac.cn",
            "work_for": "河南师范大学",
            "country": "中国"
        }
    ],
    "ds_managers": [
        {
            "true_name": "韩立钦",
            "email": "hanliqin@lzb.ac.cn",
            "work_for": "河南师范大学",
            "country": "中国"
        }
    ],
    "category": "水文"
}