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
", "ds_source": "欧洲航天局2009年最新版世界卫星地图。
", "ds_process_way": "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）。
", "ds_quality": "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.
", "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": "apply-access", "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, "i18n": { "en": { "title": "Land use data of 300 meters in the runoff area of the Central Asia River in 2009", "ds_abstract": "The 2009 land use data in the runoff area of the Central Asia River reflects the land use situation in 2009 within the Amu Darya River-Syr Darya River-Chu River runoff area in Central Asia. This data is derived from the European Space Agency's Globcover2009 land use satellite data and is reclassified using the SWAT model land use cover classification standard, and is divided into 23 categories in total. Data spatial resolution 300 meters
", "ds_source": "The latest edition of the European Space Agency's 2009 world satellite map.
", "ds_process_way": "Determine the scope of the Amu Darya-Syr Darya-Chu River runoff area, choose to use the SWAT model land use cover classification standard, use the ARCGIS software tool, and after data pretreatment, re-classify the land use data into 23 categories (see Code Description document for details).
", "ds_quality": "See the \"GLOBCOVE2009 Product Description and Verification Report\" for the accuracy of source data. The new data classification meets the needs of ARCSWAT land use simulation, has a variety of types and high accuracy.
", "ds_acq_place": "Amu Darya, Syr Darya, Chu River", "ds_format": "Geotiff", "ds_projection": "Pulkovo_1942_Transverse_Mercator", "ds_space_res": "300", "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": [ "土地利用" ], "ds_subject_tags": [ "地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "锡尔河", "阿姆河", "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" }