{
    "created": "2025-06-12 18:32:30",
    "updated": "2026-05-09 14:31:00",
    "id": "425b0732-c4d2-40f5-8de4-ebf7a83d450a",
    "version": 2,
    "ds_topic": null,
    "title_cn": "石羊河绿洲、水系、流域（山区）及高程分类数据集",
    "title_en": "",
    "ds_abstract": "<p>石羊河绿洲（Shiyang River Oasis）位于甘肃省武威市、金昌市和张掖市，以及内蒙古自治区阿拉善盟。石羊河绿洲的地理位置是37°24'23\"N-39°24'23\"N, 101°18'45\"E-103°48'43\"E。石羊河绿洲由78块绿洲组成，总面积为9,593.75 km²（Albers）。其中，最大的绿洲面积为6,016.34 km²。滋养石羊河绿洲的河流主要有石羊河、西大河与东大河，它们的干流长度分别为232.59 km、139.72 km与129.42 km。石羊河流域山区部分的地理位置37°09′22″N-38°14′40″N，101°07′20″E-103°28′06″E。该流域山区部分面积为11,074.73 km²。该流域山区部分的高程被划分为9类。该数据集内容包括：（1）绿洲边界数据；（2）滋养绿洲的水系数据；（3）流域山区部分的边界数据；（4）流域山区部分高程分类数据。数据集以.kmz，.shp与.tif数据格式存储，由63个数据文件组成，数据量87.6 MB（压缩为5个文件，28.5 MB）。</p>",
    "ds_source": "<p>基于2020年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": 29909710,
    "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": "425b0732-c4d2-40f5-8de4-ebf7a83d450a.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": "2025-06-12 18:36:56",
    "first_publish_time": null,
    "last_updated": "2025-06-12 18:36:56",
    "protected": false,
    "protected_to": null,
    "lang": "zh",
    "cstr": null,
    "license": null,
    "extra": null,
    "files_shape": [
        {
            "name": "Lake&Reservoir.kmz",
            "size": 128235,
            "is_dir": false
        },
        {
            "name": "MontPartofShiyangRiversBasin.kmz",
            "size": 99607,
            "is_dir": false
        },
        {
            "name": "ShiyangRiverBasinOasis.kmz",
            "size": 7666852,
            "is_dir": false
        },
        {
            "name": "ShiyangRiverOasisBasinEVC.rar",
            "size": 14863585,
            "is_dir": false
        },
        {
            "name": "ShiyangRiverSystem.kmz",
            "size": 7151431,
            "is_dir": false
        }
    ],
    "features": null,
    "data_level": 0,
    "ds_topic_tags": [
        "数据大百科",
        "流域",
        "水系",
        "高程",
        "DEM"
    ],
    "ds_subject_tags": [
        "地理学"
    ],
    "ds_class_tags": [],
    "ds_locus_tags": [
        "西大河",
        "武威市",
        "甘肃省"
    ],
    "ds_time_tags": [
        2020
    ],
    "ds_contributors": [
        "桂东伟",
        "李伯騛"
    ],
    "ds_meta_authors": [
        "桂东伟"
    ],
    "ds_managers": [
        "李锦"
    ],
    "category": "水文"
}