{"created": "2018-07-06 02:29:42", "updated": "2024-03-29 03:31:13", "id": "396e714a-3a9f-4d42-ab93-9cab17942653", "version": 2, "ds_topic": null, "title_cn": "张掖市土地利用/土地覆盖数据集(2005年)", "title_en": "Land use / land cover data set of Zhangye City (2005)", "ds_abstract": "
本数据集来自中科院寒旱所颜长珍等人完成的张掖市2005年土地利用数据集。该数据采用一个分层的土地覆盖分类系统,有6个一级类(耕地、林地、草地、水域、城乡、工矿、居民用地和未利用土地),25个二级类,覆盖甘肃省张掖市五县一区,据范围覆盖全部张掖市。
", "ds_source": "基于2005年前后的Landsat TM和ETM遥感数据通过人工判读的方法产生的。
", "ds_process_way": "分类标准采用中国科学院自1986年以来使用的土地利用分类标准。数据类型为矢量多边形;以Shape格式存储。
", "ds_quality": "数据质量良好
", "ds_acq_start_time": "2005-01-01 00:00:00", "ds_acq_end_time": "2005-12-31 00:00:00", "ds_acq_place": "黑河流域张掖市", "ds_acq_lon_east": 104.199722222222, "ds_acq_lat_south": 37.7, "ds_acq_lon_west": 96.0666666666667, "ds_acq_lat_north": 43.2666666666667, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "在线下载", "ds_total_size": 71324685, "ds_files_count": 2, "ds_format": "矢量", "ds_space_res": null, "ds_time_res": "年", "ds_coordinate": "WGS84", "ds_projection": "+proj=longlat +datum=WGS84 +no_defs", "ds_thumbnail": "396e714a-3a9f-4d42-ab93-9cab17942653.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": "2021-08-17 14:35:48", "last_updated": "2023-08-23 16:46:39", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.Westdc.2020.386", "license": null, "ds_topic_tags": ["土地利用", "土地覆盖", "张掖市"], "ds_subject_tags": ["自然地理学"], "ds_class_tags": [], "ds_locus_tags": ["黑河流域", "张掖市"], "ds_time_tags": [2005], "ds_contributors": ["王建华 "], "ds_meta_authors": ["黑河计划数据管理中心"], "ds_managers": ["王建华 "], "category": "基础地理"}