{
    "created": "2025-07-03 23:19:47",
    "updated": "2026-05-09 18:30:28",
    "id": "9da9c5e5-a6f8-41c2-b594-92d0345b7da1",
    "version": 15,
    "ds_topic": null,
    "title_cn": "柴达木盆地汇水区绿洲、水系及高程分类数据集",
    "title_en": "",
    "ds_abstract": "<p>柴达木盆地汇水区（Qaidam Basin Catchment）位于青海省的海西蒙古族藏族自治州、玉树藏族自治州、果洛藏族自治州、海南藏族自治州，新疆的巴音郭楞蒙古自治州和甘肃的酒泉市境内，具体位置为34°41′26″N-39°20′4″N，87°48′38″E-99°19′9″E。该汇水区面积为275,753.06 km²（Albers）。该汇水区高程被分为9类。柴达木河、格尔木河和红水河是滋养柴达木盆地绿洲的主要河流，它们的长度分别为477.00 km、421.72 km、309.53 km。柴达木盆地绿洲的地理位置是35°51'55\"N-39°7'1\"N，88°21'00\"E-98°36'55\"E。柴达木盆地绿洲由45块绿洲组成，总面积为39,051.06 km²，占汇水区总面积的14.16%。其中，最大的绿洲面积为30,647.27 km²，占绿洲总面积的78.48%。该数据集包括以下内容：（1）盆地汇水区边界数据；（2）绿洲边界数据；（3）水系数据；（4）汇水区高程分类数据。数据集由62个数据文件组成，以.kmz，.shp与.tif数据格式存储，数据量129 MB（压缩为5个文件，53.2 MB）。</p>",
    "ds_source": "<p>基于Google earth影像、ASTER GDEM 30 m数据，结合实测数据。</p>",
    "ds_process_way": "",
    "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": "在线下载",
    "ds_total_size": 55886680,
    "ds_files_count": 5,
    "ds_format": ".kmz，.shp与.tif数据格式",
    "ds_space_res": "无",
    "ds_time_res": "无",
    "ds_coordinate": "WGS84",
    "ds_projection": "WGS84",
    "ds_thumbnail": "9da9c5e5-a6f8-41c2-b594-92d0345b7da1.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": [
        "170.45"
    ],
    "quality_level": 1,
    "publish_time": "2025-07-04 10:53:21",
    "first_publish_time": null,
    "last_updated": "2025-07-04 11:38:28",
    "protected": false,
    "protected_to": null,
    "lang": "zh",
    "cstr": null,
    "license": null,
    "extra": null,
    "files_shape": [
        {
            "name": "QaidamBasinCatchment.kmz",
            "size": 3412600,
            "is_dir": false
        },
        {
            "name": "QaidamBasinCatchmentLake&Reservoir.kmz",
            "size": 1669925,
            "is_dir": false
        },
        {
            "name": "QaidamBasinCatchmentOasis.kmz",
            "size": 8238900,
            "is_dir": false
        },
        {
            "name": "QaidamBasinCatchmentRivers.kmz",
            "size": 7342121,
            "is_dir": false
        },
        {
            "name": "QaidamBasinOasisRiverEVC.rar",
            "size": 35223134,
            "is_dir": false
        }
    ],
    "features": null,
    "data_level": 0,
    "ds_topic_tags": [
        "数据大百科",
        "流域",
        "高程",
        "DEM",
        "水系"
    ],
    "ds_subject_tags": [
        "地理学"
    ],
    "ds_class_tags": [],
    "ds_locus_tags": [
        "新疆",
        "柴达木河",
        "蒙古族藏族自治州"
    ],
    "ds_time_tags": [],
    "ds_contributors": [
        "桂东伟",
        "李伯騛"
    ],
    "ds_meta_authors": [
        "桂东伟"
    ],
    "ds_managers": [
        "李锦"
    ],
    "category": "水文"
}