该数据集为中国西北地区青海省2010年的1:70万土地覆被数据。本数据采用一个分层的土地覆被分类系统，分类系统的一级类与IPCC系统保持一致共6类（林地、草地、湿地、耕地、人工表面、其他），二级类采用了由FAO的LCCS生成的具有全球统一代码的38个类型。
", "ds_source": "主要数据源有： 1．2010年代土地利用数据2．与土地利用数据同期陆地卫星精纠正分县假彩色合成影像 3．辅助数据包括1:50万草地资源图（矢量）、1:100万土壤类型图（矢量）、1:100万植被类型图（扫描）等
", "ds_process_way": "基于eCognition软件平台，采用面向对象分类方法
", "ds_quality": "数据质量良好
", "ds_acq_start_time": "2010-01-01 00:00:00", "ds_acq_end_time": "2010-12-31 00:00:00", "ds_acq_place": "青海省", "ds_acq_lon_east": 103.19972222222222, "ds_acq_lat_south": 31.116666666666667, "ds_acq_lon_west": 89.5, "ds_acq_lat_north": 39.2, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "login-access", "ds_total_size": 123312554, "ds_files_count": 4, "ds_format": "SHP", "ds_space_res": null, "ds_time_res": "", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "fc4e8efc-46c5-4087-9f7f-820d8c4e3fdb.jpg", "ds_thumb_from": 2, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "None", "ds_from_station": null, "organization_id": "52b7b79b-860c-49a5-9083-9a70cf8bed5a", "ds_serv_man": "敏玉芳", "ds_serv_phone": "0931-4967596", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "", "subject_codes": [ "170.4510" ], "quality_level": 3, "publish_time": "2021-01-05 16:29:26", "last_updated": "2023-06-19 16:52:25", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.nieer.2020.1487", "i18n": { "en": { "title": "1:700000 land cover data set of Qinghai Province in 2010", "ds_format": "SHP", "ds_source": "The main data sources are: 1. Land use data of 2010's; 2. Landsat fine correction of false color composite images of counties in the same period with land use data; 3. Auxiliary data include 1:500000 grassland resource map (vector), 1:1 million soil type map (vector), 1:1 million vegetation type map (scanning)
", "ds_quality": "The data quality is good
", "ds_ref_way": "", "ds_abstract": "The data set is 1:700000 land cover data of Qinghai Province in Northwest China in 2010. This data adopts a hierarchical land cover classification system. The first class of the classification system is consistent with the IPCC system, with a total of 6 categories (woodland, grassland, wetland, cultivated land, artificial surface, others), and the second class uses 38 types with global unified code generated by the LCCs of FAO.
", "ds_time_res": "", "ds_acq_place": "Qinghai Province", "ds_space_res": "", "ds_projection": "", "ds_process_way": "Based on ecognition software platform, object-oriented classification method is adopted
", "ds_ref_instruction": "In order to respect intellectual property rights, protect the rights and interests of data authors, expand the services of data centers, and evaluate the application potential of data, data users are requested to clearly indicate the data source and data authors in the research results (including published papers, works, data products and unpublished research reports, data products, etc.) produced by using data. For data reprinted (secondary or multiple releases), the author must also indicate the source of the original data." } }, "submit_center_id": "ncdc", "data_level": 0, "license_type": "CC BY 4.0", "ds_topic_tags": [ "土地利用", "土地覆被", "基础地理" ], "ds_subject_tags": [ "自然地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "青海省", "西北地区" ], "ds_time_tags": [ 2010 ], "ds_contributors": [ { "true_name": "颜长珍", "email": "yancz@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" }, { "true_name": "谢家丽", "email": "xiejl@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": "谢家丽", "email": "xiejl@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": "颜长珍", "email": "yancz@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": "生态" }