{
    "created": "2025-01-15 18:41:39",
    "updated": "2026-08-08 02:51:14",
    "id": "a6884c40-363e-4c82-b2a1-8e463285363e",
    "version": 17,
    "ds_topic": null,
    "title_cn": "2019年乌兹克克斯坦Nukus灌区农作物种植结构",
    "title_en": "",
    "ds_abstract": "<p>本数据集为2019年乌兹别克斯坦Nukus灌区农作物种植结构10M分辨率矢量数据。数据包含水域、玉米、水稻、小麦、棉花、（园地、葡萄、苹果、苜蓿、桃树）、（林地、桑树）、（弃耕地、休耕地、退耕地、荒地）、（大棚、蔬菜、苜蓿、啤酒花）、盐碱地、荒漠、草地等12大种植结构类别，种植面积信息，以shp矢量格式存储。</p>",
    "ds_source": "<p>哨兵数据。</p>",
    "ds_process_way": "<p>\n<p>种植结构是在GEE平台上利用随机森林算法并结合采集的样本点数据计算得出的，为了区分方便，在计算过程中我们将每一种相似作物类型用一个阿拉伯数字表示，计算完的.tif结果再用分区统计的方式链接到提取的耕地上，在这个过程中，我们把表示作物类型的字段保留下来，即max字段，每个阿拉伯数字对应的作物类型如下表所示：</p>\n<img alt=\"\" src=\"/static/upload/images/20250310163256a.png\" /></p>",
    "ds_quality": "<p>Kappa系数80%</p>",
    "ds_acq_start_time": "2019-01-08 00:00:00",
    "ds_acq_end_time": "2020-01-07 00:00:00",
    "ds_acq_place": "乌兹别克斯坦Nukus灌区",
    "ds_acq_lon_east": 60.58889,
    "ds_acq_lat_south": 42.288612,
    "ds_acq_lon_west": 58.411945,
    "ds_acq_lat_north": 43.720833,
    "ds_acq_alt_low": null,
    "ds_acq_alt_high": null,
    "ds_share_type": "apply-access",
    "ds_total_size": 65118096,
    "ds_files_count": 2,
    "ds_format": ".shp",
    "ds_space_res": "10",
    "ds_time_res": "无",
    "ds_coordinate": "WGS84",
    "ds_projection": "WGS84",
    "ds_thumbnail": "a6884c40-363e-4c82-b2a1-8e463285363e.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": [
        "170.40"
    ],
    "quality_level": 1,
    "publish_time": "2025-01-16 11:20:06",
    "first_publish_time": null,
    "last_updated": "2025-05-28 14:10:17",
    "protected": false,
    "protected_to": null,
    "lang": "zh",
    "cstr": "33110.11.ariddc.00282",
    "license": null,
    "extra": null,
    "files_shape": [
        {
            "name": "2019_UZB-Nukus_Crop planting structure.rar",
            "size": 65102034,
            "is_dir": false
        },
        {
            "name": "种植结构数据说明.docx",
            "size": 16062,
            "is_dir": false
        }
    ],
    "features": null,
    "data_level": 0,
    "i18n": {
        "en": {
            "title": "Crop planting structure in the Nukus Irrigation Area of Uzkestan in 2019",
            "ds_abstract": "<p>This dataset is 10M resolution vector data of crop planting structure in the Nukus Irrigation District of Uzbekistan in 2019. The data includes 12 major planting structure categories such as water area, corn, rice, wheat, cotton,(garden, grapes, apples, alfalfa, peach trees),(forest land, mulberry tree),(abandoned land, fallow land, reclaimed land, wasteland),(greenhouses, vegetables, alfalfa, hops), saline-alkali land, desert, grassland, etc., and planting area information is stored in shp vector format. </p>",
            "ds_source": "<p>Sentinel data. </p>",
            "ds_process_way": "<p>\n<p>The planting structure is calculated on the GEE platform using random forest algorithm and combined with collected sample point data. For convenience of differentiation, during the calculation process, we represent each similar crop type with an Arabic numeral, and the calculated.tif results are then linked to the extracted cultivated land by zoning statistics. During this process, we retain the field representing the crop type, namely the max field. The crop type corresponding to each Arabic numeral is shown in the following table:</p>\n<img alt=\"\" src=\"/static/upload/images/20250310163256a.png\" /></p>",
            "ds_quality": "<p>Kappa coefficient 80%</p>",
            "ds_acq_place": "Nukus Irrigation Area in Uzbekistan",
            "ds_format": ".shp",
            "ds_projection": "WGS84",
            "ds_space_res": "10",
            "ds_time_res": "no"
        }
    },
    "license_type": null,
    "doi_reg_from": "reg_local",
    "cstr_reg_from": "reg_local",
    "doi_not_reg_reason": null,
    "cstr_not_reg_reason": null,
    "is_paper_in_submitting": false,
    "ds_topic_tags": [
        "陆地表层遥感",
        "种植结构"
    ],
    "ds_subject_tags": [
        "地图学"
    ],
    "ds_class_tags": [],
    "ds_locus_tags": [
        "Nukus灌区",
        "乌兹别克斯坦"
    ],
    "ds_time_tags": [
        2019
    ],
    "ds_contributors": [
        "刘铁",
        "钱静"
    ],
    "ds_meta_authors": [
        "刘铁"
    ],
    "ds_managers": [
        "刘铁"
    ],
    "category": "遥感再分析数据"
}