{
    "created": "2025-04-22 17:20:12",
    "updated": "2026-05-09 18:09:16",
    "id": "be76b3f7-e682-4bf4-a3f8-54a782aeddee",
    "version": 4,
    "ds_topic": null,
    "title_cn": "2019年吉尔吉斯斯坦伊塞克湖流域10米种植结构",
    "title_en": "",
    "ds_abstract": "<p>本数据集包含了伊塞克湖流域的种植结构，数据以.shp矢量格式存储，采用GCS_WGS_1984坐标系。分为菜地、草地、棉花等19个种植类别，36626个矢量斑块。</p>",
    "ds_source": "<p>2019年哨兵2号数据。</p>",
    "ds_process_way": "<p>从2019年中提取出5月-6月，7月-8月和9月-10月三个时间段，将每个时间段内云量最少，质量最高的哨兵2号数据拼接为一张完整地图，得到伊塞克湖流域三期哨兵2号遥感影像。在此基础上求出三期影像的NDVI结果，以哨兵2数据的不同波段和NDVI结果为基础，再结合耕地数据和实地采样数据，用随机森林算法对其分类，最终得到每个地块上的种植结构类型。</p>",
    "ds_quality": "<p>空间分辨率为10m×10m，时间分辨率为年，Kappa系数0.8。</p>",
    "ds_acq_start_time": "2019-05-01 00:00:00",
    "ds_acq_end_time": "2019-10-31 00:00:00",
    "ds_acq_place": "伊塞克湖流域",
    "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": "离线申请",
    "ds_total_size": 5343249,
    "ds_files_count": 1,
    "ds_format": "shp",
    "ds_space_res": "10",
    "ds_time_res": "无",
    "ds_coordinate": "WGS84",
    "ds_projection": "WGS84",
    "ds_thumbnail": "be76b3f7-e682-4bf4-a3f8-54a782aeddee.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": [],
    "quality_level": 1,
    "publish_time": "2025-04-22 17:27:19",
    "first_publish_time": null,
    "last_updated": "2025-05-28 17:36:04",
    "protected": false,
    "protected_to": null,
    "lang": "zh",
    "cstr": "33110.11.ariddc.00372",
    "license": null,
    "extra": null,
    "files_shape": [
        {
            "name": "2019年伊塞克湖种植结构数据.rar",
            "size": 5343249,
            "is_dir": false
        }
    ],
    "features": null,
    "data_level": 0,
    "ds_topic_tags": [
        "种植结构"
    ],
    "ds_subject_tags": [],
    "ds_class_tags": [],
    "ds_locus_tags": [
        "伊塞克湖"
    ],
    "ds_time_tags": [
        2019
    ],
    "ds_contributors": [
        "钱静",
        "刘铁",
        "陈朝亮"
    ],
    "ds_meta_authors": [
        "陈朝亮"
    ],
    "ds_managers": [
        "刘铁"
    ],
    "category": "土地利用/土地覆被"
}