{
    "created": "2025-06-12 17:02:29",
    "updated": "2026-05-09 13:23:04",
    "id": "b18257c5-16bd-4a1b-9e2e-56848b953a5b",
    "version": 0,
    "ds_topic": null,
    "title_cn": "阳霞-策大雅绿洲、水系、流域（山区）及高程分类数据集",
    "title_en": "",
    "ds_abstract": "<p>阳霞-策大雅绿洲是由阳霞河、策大雅河及其附近的河流滋养的绿洲，位于新疆维吾尔自治区巴音郭楞蒙古自治州轮台县。阳霞-策大雅绿洲的地理位置是41°45′29″N-42°02′7″N，84°27′15″E-85°13′42″E。阳霞-策大雅绿洲由17块绿洲组成，总面积为615.42 km²（Albers），周长为484.95 km（Lambert）。其中，最大的绿洲面积为562.45 km²，周长为349.71 km。阳霞河与策大雅河的干流长度分别为90.12 km和44.01 km。阳霞-策大雅绿洲诸河流域山区部分的地理位置是42°2′25″N-42°26′39″N，84°13′41″E-85°26′8″E。该流域山区部分面积为2,596.92 km²，周长为334.76 km。该流域山区部分的高程被分为8类。该数据集内容包括阳霞-策大雅绿洲的以下数据：（1）边界数据；（2）滋养绿洲的水系数据；（3）诸河流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49个数据文件组成，数据量16.9 MB（压缩为4个文件，8.89 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": 9329453,
    "ds_files_count": 4,
    "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": "b18257c5-16bd-4a1b-9e2e-56848b953a5b.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 18:37:20",
    "first_publish_time": null,
    "last_updated": "2025-06-12 18:37:20",
    "protected": false,
    "protected_to": null,
    "lang": "zh",
    "cstr": null,
    "license": null,
    "extra": null,
    "files_shape": [
        {
            "name": "M.YangxiaCedayaRiversCatchment.kmz",
            "size": 539299,
            "is_dir": false
        },
        {
            "name": "YangxiaCedayaOasis.kmz",
            "size": 1964196,
            "is_dir": false
        },
        {
            "name": "YangxiaCedayaOasisRiversCatch.EVC.rar",
            "size": 4662617,
            "is_dir": false
        },
        {
            "name": "YangxiaCedayaRivers.kmz",
            "size": 2163341,
            "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": [
        "新疆",
        "阳霞河",
        "策大雅河",
        "轮台县"
    ],
    "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"
}