{
    "created": "2025-06-12 18:42:26",
    "updated": "2026-05-09 12:46:55",
    "id": "400ef106-f185-471d-a67c-6f5073137ca3",
    "version": 0,
    "ds_topic": null,
    "title_cn": "黑河绿洲、水系、流域（山区）及高程分类数据集",
    "title_en": "",
    "ds_abstract": "<p>黑河绿洲（Heihe River Oasis）位于甘肃省张掖市、酒泉市、嘉峪关市和内蒙古阿拉善盟。黑河绿洲的地理位置是38°05'01\"N-42°24'59\"N, 97°51'43\"E-101°34'00\"E。黑河绿洲由132块绿洲组成，总面积为16,147.52 km²（Albers）。其中，最大的绿洲面积为6,725.33 km²。滋养绿洲的水系主要有：黑河、北大河与山丹河等多条河流，它们的干流长度分别为876.32 km、386.34 km与183.04 km。黑河流域山区部分的地理位置37°43′11″N-39°39′59″N，97°20′34″E-101°12′38″E。该流域山区部分面积为16,588.16 km²。该山区流域的高程被划分为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64个数据文件组成，数据量169 MB（压缩为5个文件，46 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": 48334177,
    "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": "400ef106-f185-471d-a67c-6f5073137ca3.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 18:56:39",
    "first_publish_time": null,
    "last_updated": "2025-06-12 18:56:39",
    "protected": false,
    "protected_to": null,
    "lang": "zh",
    "cstr": null,
    "license": null,
    "extra": null,
    "files_shape": [
        {
            "name": "HeiheRiverBasinOasis.kmz",
            "size": 15312915,
            "is_dir": false
        },
        {
            "name": "HeiheRiverOasisBasinEVC.rar",
            "size": 25554178,
            "is_dir": false
        },
        {
            "name": "HeiheRiverSystem.kmz",
            "size": 7015115,
            "is_dir": false
        },
        {
            "name": "Lake&Reservoir.kmz",
            "size": 331160,
            "is_dir": false
        },
        {
            "name": "M.HeiheRiversBasin.kmz",
            "size": 120809,
            "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": [
        "甘肃省",
        "黑河",
        "张掖市"
    ],
    "ds_time_tags": [],
    "ds_contributors": [
        "桂东伟",
        "李伯騛"
    ],
    "ds_meta_authors": [
        "桂东伟"
    ],
    "ds_managers": [
        "李锦"
    ],
    "category": "水文"
}