数据为柴达木河流域道路分布数据集，比例尺：250000，投影：经纬度，主要包括柴达木河流域内主要道路的空间分布及属性数据，属性字段：code（道路编码）、Name(道路分级）。
", "ds_source": "", "ds_process_way": "", "ds_quality": "数据质量良好
", "ds_acq_start_time": "2000-01-01 00:00:00", "ds_acq_end_time": null, "ds_acq_place": "柴达木河流域", "ds_acq_lon_east": 99.76666666666667, "ds_acq_lat_south": 34.0, "ds_acq_lon_west": 87.19972222222222, "ds_acq_lat_north": 40.0, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "login-access", "ds_total_size": 1513552, "ds_files_count": 3, "ds_format": "Shapefile", "ds_space_res": "2500.0m", "ds_time_res": "", "ds_coordinate": "WGS84", "ds_projection": "+proj=longlat +datum=WGS84 +no_defs ", "ds_thumbnail": "ca77f6b7-dbfe-4e8d-acd5-721eb6a70bf8.png", "ds_thumb_from": 2, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "None", "ds_from_station": null, "organization_id": "9c4867b1-5cb1-4de0-abeb-df42547bf41e", "ds_serv_man": "李红星", "ds_serv_phone": "0931-4967287", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "", "subject_codes": [ "170.4510" ], "quality_level": 3, "publish_time": "2020-12-18 11:21:50", "last_updated": "2023-08-25 10:22:27", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.Westdc.2020.404", "i18n": { "en": { "title": "Road distribution data set of Qaidam River Basin", "ds_format": "Shapefile", "ds_source": "", "ds_quality": "Good data quality
", "ds_ref_way": "", "ds_abstract": "The data is road distribution data set of Qaidam River Basin, scale: 250000, projection: longitude and latitude, mainly including spatial distribution and attribute data of main roads in Qaidam River Basin, attribute fields: Code (road code), name (road classification).
", "ds_time_res": "", "ds_acq_place": "Chaidamu River Basin", "ds_space_res": "2500.0m", "ds_projection": "+proj=longlat +datum=WGS84 +no_defs ", "ds_process_way": "", "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are invited to use the data\r\nStudents' research results (including published papers, treatises, data products and unpublished research reports, data products, etc.) shall be clearly indicated with data\r\nSource and data author. 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": "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": [ "基础地理，道路，柴达木河流域" ], "ds_subject_tags": [ "自然地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "柴达木河流域" ], "ds_time_tags": [ 2000 ], "ds_contributors": [ { "true_name": "吴立宗", "email": "wulizong@pric.org.cn", "work_for": "国家极地科学数据中心", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "吴立宗", "email": "wulizong@pric.org.cn", "work_for": "国家极地科学数据中心", "country": "中国" } ], "ds_managers": [ { "true_name": "敏玉芳", "email": "myf@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" }