黑河流域2011年土地利用/土地覆被数据集是黑河流域1：10万土地覆被数据和以往土地覆被采用同一个分层的土地覆被分类系统，将全流域划分为6个一级类（耕地、林地、草地、水域、城镇和农村居民及工矿用地和未利用土地），25个二级类；数据类型为矢量多边形，以Shape格式存储。", "ds_source": "
中国科学院寒旱所遥感研究室建立了黑河流域1：10万土地利用/土地覆被影像和矢量数据库。
", "ds_process_way": "LandsaTM和ETM遥感数据，结合野外考察验证。
", "ds_quality": "", "ds_acq_start_time": "2011-01-01 00:00:00", "ds_acq_end_time": "2011-12-31 00:00:00", "ds_acq_place": "黑河流域中游", "ds_acq_lon_east": 102.0, "ds_acq_lat_south": 37.61638888888889, "ds_acq_lon_west": 97.0, "ds_acq_lat_north": 41.0, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "login-access", "ds_total_size": 24035508, "ds_files_count": 2, "ds_format": "shp", "ds_space_res": null, "ds_time_res": "", "ds_coordinate": "WGS84", "ds_projection": "+proj=longlat +datum=WGS84 +no_defs ", "ds_thumbnail": "d32424a3-9c97-41bd-b2b6-9d576c5c647e.png", "ds_thumb_from": 0, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "None", "ds_from_station": null, "organization_id": "9c4867b1-5cb1-4de0-abeb-df42547bf41e", "ds_serv_man": "黑河计划数据管理中心", "ds_serv_phone": "0931-4967596", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "", "subject_codes": [ "170.4510" ], "quality_level": 3, "publish_time": "2021-08-18 15:23:38", "last_updated": "2023-09-04 10:31:43", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.Westdc.2020.382", "i18n": { "en": { "title": "Land use / land cover data set in the middle reaches of Heihe River Basin (2011)", "ds_format": "Shapefile", "ds_source": "Based on the landsatm and ETM Remote Sensing Data in 2011, combined with field investigation and verification, the 1:100000 land use / land cover image and vector database of Heihe River Basin were established by the Remote Sensing Research Office of Institute of cold and drought, Chinese Academy of Sciences.
", "ds_quality": "", "ds_ref_way": "", "ds_abstract": "The 2011 land use / land cover data set of Heihe River Basin adopts the same hierarchical land cover classification system as the previous land cover data of Heihe River Basin, which divides the whole basin into 6 first-class categories (cultivated land, forest land, grassland, water area, urban and rural residents, industrial and mining land and unused land) and 25 second-class categories; The data type is vector polygon, which is stored in shape format.
", "ds_time_res": "", "ds_acq_place": "Middle reaches of Heihe River Basin", "ds_space_res": "", "ds_projection": "+proj=longlat +datum=WGS84 +no_defs ", "ds_process_way": "Landsatm and ETM Remote sensing data are verified in combination with field investigation
", "ds_ref_instruction": "" } }, "submit_center_id": "ncdc", "data_level": 0, "license_type": "https://creativecommons.org/licenses/by/4.0/", "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": [ "土地覆盖", "土地利用", "土地分类" ], "ds_subject_tags": [ "自然地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "黑河中游", "黑河流域" ], "ds_time_tags": [ 2011 ], "ds_contributors": [ { "true_name": "王建华 ", "email": "jhwang@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "王建华 ", "email": "jhwang@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" } ], "ds_managers": [ { "true_name": "王建华 ", "email": "jhwang@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" } ], "category": "基础地理" }