该数据集基于Landsat MSS，TM和ETM遥感图像，主要通过全国各地的相关专家根据对图像光谱、纹理、色调等的认识结合地形图目视解译而成。\n本数据包含文件：（1）lucc2005 (ArcGIS coverage图形文件)；（2）土地利用覆盖分类系统.doc。数据属于遥感学范围，海拔：820-4722米；投影：Albers。\n本数据有效字段三个：AREA（多边形面积）；PERIMETER（多边形周长）；LUCC2005_I（土地利用类型）。土地利用类型详见文件集内土地利用覆盖系统分类。\n
", "ds_source": "数据来自课题：国家自然科学基金委员会\"中国西部环境与生态科学数据中心\"。
", "ds_process_way": "基于Landsat MSS，TM和ETM遥感数据建立了中国1:10万土地利用影像和矢量数据库。
", "ds_quality": "严格按照遥感行业规范进行遥感解译，纠正后的图像满足同名像元误差平原地区小于1个像元，山区小于2个像元。该数据库经过了野外实地考察验证，精度达到95%。
", "ds_acq_start_time": "2005-01-01 00:00:00", "ds_acq_end_time": "2005-12-31 00:00:00", "ds_acq_place": "黑河流域", "ds_acq_lon_east": 114.38277777777778, "ds_acq_lat_south": 38.475, "ds_acq_lon_west": 109.34694444444445, "ds_acq_lat_north": 43.598888888888894, "ds_acq_alt_low": 820.0, "ds_acq_alt_high": 4722.0, "ds_share_type": "login-access", "ds_total_size": 17494424, "ds_files_count": 2, "ds_format": "矢量", "ds_space_res": "30", "ds_time_res": "", "ds_coordinate": "WGS84", "ds_projection": "Albers", "ds_thumbnail": "bd49c974-5cb8-4be7-af95-c81500133527.png", "ds_thumb_from": 0, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "", "ds_from_station": null, "organization_id": "eb2b3ac4-919d-433d-b987-bcee1ae83c9e", "ds_serv_man": "敏玉芳", "ds_serv_phone": "0931-4967596", "ds_serv_mail": "myf@lzb.ac.cn", "doi_value": "", "subject_codes": [], "quality_level": 3, "publish_time": "2020-07-23 10:20:27", "last_updated": "2025-04-29 16:04:06", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.973Desert.2020.87", "i18n": { "en": { "title": "1:100000 Land Use Map of the Heihe River Basin (2005)", "ds_format": "shp", "ds_source": "The data comes from the project \"China Western Environmental and Ecological Science Data Center\" funded by the National Natural Science Foundation of China.
", "ds_quality": "Strictly follow the remote sensing industry standards for remote sensing interpretation, and the corrected image should meet the same pixel error requirement of less than 1 pixel in plain areas and less than 2 pixels in mountainous areas. The database has been validated through field investigations and achieved an accuracy of 95%.
", "ds_ref_way": "", "ds_abstract": "This dataset is based on Landsat MSS, TM, and ETM remote sensing images, mainly interpreted visually from topographic maps by relevant experts from all over the country based on their understanding of image spectra, textures, tones, etc.\nThis data includes files: (1) lucc2005 (ArcGIS coverage graphic file); (2) Land Use Cover Classification System.doc. The data belongs to the scope of remote sensing, altitude: 820-4722 meters; Projection: Albers.\nThis data has three valid fields: Area (polygon area); PERIMETER (polygon perimeter); LUCC2005-I (Land Use Type). The land use types are detailed in the land use cover system classification in the file set.\n
", "ds_time_res": "", "ds_acq_place": "Heihe River Basin", "ds_space_res": "30", "ds_projection": "Albers", "ds_process_way": "A 1:100000 land use image and vector database for China was established based on Landsat MSS, TM, and ETM remote sensing data.
", "ds_ref_instruction": "" } }, "submit_center_id": "ncdc", "data_level": 0, "license_type": "CC 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": [ "土地利用", "黑河流域", "遥感" ], "ds_subject_tags": [], "ds_class_tags": [], "ds_locus_tags": [ "黑河流域" ], "ds_time_tags": [ 2005 ], "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": "王涛", "email": "wangtao@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": "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": "遥感及产品" }