{
    "created": "2025-07-03 23:38:45",
    "updated": "2026-05-09 14:30:50",
    "id": "dd97242e-be22-499f-ac6c-de6ec3f9804b",
    "version": 2,
    "ds_topic": null,
    "title_cn": "银川平原绿洲",
    "title_en": "",
    "ds_abstract": "<p>银川平原绿洲（Yinchuan Plain Oasis）是河套平原绿洲的一部分，位于宁夏回族自治区的银川市、石嘴山市和吴忠市以及内蒙古自治区乌海市、鄂尔多斯市和阿拉善盟。它是由黄河冲积形成。银川平原绿洲的地理位置为37°41′17″N-39°24′38″N，105°47′9″E-107°0′53″E，根据2020年Google Earth影像，银川平原绿洲面积为7,757.03 km²（Albers）。该数据集以.kmz和.shp数据格式存储，由16个数据文件组成，数据量为5.74 MB（压缩为2个文件，2.34 MB）。</p>",
    "ds_source": "<p>基于Google earth影像，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": 2455178,
    "ds_files_count": 2,
    "ds_format": ".kmz，.shp数据格式",
    "ds_space_res": "无",
    "ds_time_res": "无",
    "ds_coordinate": "WGS84",
    "ds_projection": "WGS84",
    "ds_thumbnail": "dd97242e-be22-499f-ac6c-de6ec3f9804b.png",
    "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 10:45:08",
    "first_publish_time": null,
    "last_updated": "2025-07-07 10:18:13",
    "protected": false,
    "protected_to": null,
    "lang": "zh",
    "cstr": null,
    "license": null,
    "extra": null,
    "files_shape": [
        {
            "name": "YinchuanPlainOasis.kmz",
            "size": 1084432,
            "is_dir": false
        },
        {
            "name": "YinchuanPlainOasis.rar",
            "size": 1370746,
            "is_dir": false
        }
    ],
    "features": null,
    "data_level": 0,
    "ds_topic_tags": [
        "绿洲"
    ],
    "ds_subject_tags": [
        "地理学"
    ],
    "ds_class_tags": [],
    "ds_locus_tags": [
        "新疆",
        "宁夏",
        "银川",
        "河套平原"
    ],
    "ds_time_tags": [],
    "ds_contributors": [
        "桂东伟"
    ],
    "ds_meta_authors": [
        "桂东伟"
    ],
    "ds_managers": [
        "李锦"
    ],
    "category": "土地利用/土地覆被"
}