{
    "created": "2025-03-12 15:59:21",
    "updated": "2026-05-09 12:46:55",
    "id": "16a6a27b-fdfb-4eb0-bdc9-89d5f52186a0",
    "version": 3,
    "ds_topic": null,
    "title_cn": "2019年咸海流域种植结构矢量数据集",
    "title_en": "",
    "ds_abstract": "<p>本数据集包括2019年咸海流域的阿姆河和锡尔河子流域的Kashkadarya, Zarafshan, Suekhandarya,Bukhara, Naryn, Kazalinskiy, Qyzylorda, South Kazashstan, Zhanakorganskiy共9个灌区的种植结构矢量数据，空间分辨率为10m×10m，时间分辨率为年，Kappa系数0.8。</p>",
    "ds_source": "<p>2019年哨兵2号数据。</p>",
    "ds_process_way": "<p>将2019年分为三个时间段，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，得到咸海流域三期哨兵2号遥感影像，并求出三期影像的NDVI值，再结合得到的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": "2019-01-01 00:00:00",
    "ds_acq_end_time": "2019-12-31 00:00:00",
    "ds_acq_place": "咸海流域",
    "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": 471028086,
    "ds_files_count": 2,
    "ds_format": "shp",
    "ds_space_res": "无",
    "ds_time_res": "无",
    "ds_coordinate": "WGS84",
    "ds_projection": "UTM",
    "ds_thumbnail": "16a6a27b-fdfb-4eb0-bdc9-89d5f52186a0.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": "2025-03-24 14:29:05",
    "first_publish_time": null,
    "last_updated": "2025-04-25 09:59:53",
    "protected": false,
    "protected_to": null,
    "lang": "zh",
    "cstr": "33110.11.ariddc.00314",
    "license": null,
    "extra": null,
    "files_shape": [
        {
            "name": "Amu Darya.rar",
            "size": 442739060,
            "is_dir": false
        },
        {
            "name": "Syr Darya.rar",
            "size": 28289026,
            "is_dir": false
        }
    ],
    "features": null,
    "data_level": 0,
    "ds_topic_tags": [
        "种植结构"
    ],
    "ds_subject_tags": [
        "地理学"
    ],
    "ds_class_tags": [],
    "ds_locus_tags": [
        "咸海"
    ],
    "ds_time_tags": [
        2019
    ],
    "ds_contributors": [
        "钱静",
        "刘铁"
    ],
    "ds_meta_authors": [
        "钱静"
    ],
    "ds_managers": [
        "刘铁"
    ],
    "category": "中分辨率成像光谱仪"
}