{
    "created": "2025-01-14 20:50:54",
    "updated": "2026-05-09 17:34:16",
    "id": "4a8ecfde-1193-4cee-bdb8-dd216a693b9e",
    "version": 10,
    "ds_topic": null,
    "title_cn": "2009年中亚河流产流区300米土地利用数据",
    "title_en": "",
    "ds_abstract": "<p>2009年中亚河流产流区土地利用数据反映了中亚阿姆河-锡尔河-楚河产流区范围内的2009年土地利用情况。此数据来源自欧洲航天局Globcover2009土地利用卫星数据，使用SWAT模型土地利用覆盖分类标准重新分类，共分为23个类。数据空间分辨率300米</p>",
    "ds_source": "<p>欧洲航天局2009年最新版世界卫星地图。</p>",
    "ds_process_way": "<p>确定阿姆河-锡尔河-楚河产流区范围，选择使用SWAT模型土地利用覆盖分类标准，使用ARCGIS软件工具，经过数据预处理，将土地利用数据重新分类，共分为23个类（详见《代码说明》文件）。</p>",
    "ds_quality": "<p>源数据精度情况见《GLOBCOVE2009产品说明和验证报告》，新的数据分类满足ARCSWAT土地利用模拟需要，种类多，精度高.</p>",
    "ds_acq_start_time": "2009-01-01 00:00:00",
    "ds_acq_end_time": "2009-12-31 00:00:00",
    "ds_acq_place": "阿姆河，锡尔河，楚河",
    "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": 5262023,
    "ds_files_count": 2,
    "ds_format": "Geotiff",
    "ds_space_res": "300",
    "ds_time_res": "无",
    "ds_coordinate": "WGS84",
    "ds_projection": "Pulkovo_1942_Transverse_Mercator",
    "ds_thumbnail": "4a8ecfde-1193-4cee-bdb8-dd216a693b9e.jpg",
    "ds_thumb_from": 2,
    "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": "2025-01-15 10:48:40",
    "first_publish_time": null,
    "last_updated": "2025-04-16 18:08:45",
    "protected": false,
    "protected_to": null,
    "lang": "zh",
    "cstr": "33110.11.ariddc.00261",
    "license": null,
    "extra": null,
    "files_shape": [
        {
            "name": "代码说明.xlsx",
            "size": 11753,
            "is_dir": false
        },
        {
            "name": "CA_Amu_Syr_Chu_Darya_LUCC_2009-data",
            "size": null,
            "is_dir": true
        }
    ],
    "features": null,
    "data_level": 0,
    "ds_topic_tags": [
        "土地利用"
    ],
    "ds_subject_tags": [
        "地理学"
    ],
    "ds_class_tags": [],
    "ds_locus_tags": [
        "阿姆河",
        "锡尔河",
        "楚河"
    ],
    "ds_time_tags": [
        2009
    ],
    "ds_contributors": [
        "刘铁",
        "罗毅"
    ],
    "ds_meta_authors": [
        "罗毅"
    ],
    "ds_managers": [
        "刘铁"
    ],
    "category": "土地利用/土地覆被"
}