{
    "created": "2025-06-12 18:00:07",
    "updated": "2026-05-09 17:36:52",
    "id": "73ef34ad-1fe5-43a9-ad90-48ed88a5c779",
    "version": 0,
    "ds_topic": null,
    "title_cn": "额尔齐斯河绿洲（中国境内）、水系、流域山区部分高程分类数据集",
    "title_en": "",
    "ds_abstract": "<p>额尔齐斯河（Irtysh River）是一条国际河流。本数据集中，额尔齐斯河绿洲只包含中国境内部分，它位于新疆维吾尔自治区阿勒泰行政区与北屯市境内。额尔齐斯河绿洲的地理位置是45°58′06″N-48°23′18″N, 85°31′35″E-90°59′29″E。2020年，额尔齐斯河绿洲由78块绿洲组成，总面积为12,101.72 km²（Albers）。其中，最大的绿洲面积为10,051.42 km²。滋养额尔齐斯河绿洲的河流主要有额尔齐斯河与乌伦古河，它们的干流长度分别为619.12 km和554.93 km。额尔齐斯河流域山区部分的地理位置是45°46′38″N-49°11′37″N，85°31′35″E-91°55′39″E。该流域山区部分的面积为65,845,00 km²。该流域山区部分的高程被分为8类。该数据集内容包括以下数据：（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。数据集由68个数据文件组成，以.kmz，.shp与.tif数据格式存储，数据量133 MB（压缩为5个文件，58 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": 60826461,
    "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": "73ef34ad-1fe5-43a9-ad90-48ed88a5c779.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 18:37:11",
    "first_publish_time": null,
    "last_updated": "2025-06-12 18:37:11",
    "protected": false,
    "protected_to": null,
    "lang": "zh",
    "cstr": null,
    "license": null,
    "extra": null,
    "files_shape": [
        {
            "name": "IrtyshOasisRiverEVC.rar",
            "size": 34807861,
            "is_dir": false
        },
        {
            "name": "IrtyshRiverOasis.kmz",
            "size": 20085524,
            "is_dir": false
        },
        {
            "name": "IrtyshRiverSystem.kmz",
            "size": 4155692,
            "is_dir": false
        },
        {
            "name": "M.IrtyshRiverBasin.kmz",
            "size": 325378,
            "is_dir": false
        },
        {
            "name": "UlungurLake.kmz",
            "size": 1452006,
            "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",
        "额尔齐斯河",
        "乌伦古湖",
        "阿勒泰地区"
    ],
    "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"
}