数据为柴达木河流域河流数据集，根据地形图及TM遥感影像修订，比例尺250000，投影经纬度，数据包括空间数据和属性数据，属性数据字段：HYD_CODE(河流编码），Name（河流名称），SHAPE_leng(河流长度）。
", "ds_source": "地形图及TM遥感
", "ds_process_way": "数据矢量化
", "ds_quality": "数据集通过严格的人工审核控制质量
", "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": 1179372, "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": "e6711d1d-6b99-4a92-ad6d-996eeb9af7cb.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 11:32:40", "last_updated": "2023-08-25 10:22:30", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.Westdc.2020.406", "i18n": { "en": { "title": "River distribution data set of Qaidam River Basin", "ds_format": "Shapefile", "ds_source": "Topographic map and TM remote sensing
", "ds_quality": "The dataset is controlled for quality through strict manual review
", "ds_ref_way": "", "ds_abstract": "The data is the river data set of Qaidam River Basin, revised according to topographic map and TM remote sensing image, scale 250000, projection longitude and latitude, data includes spatial data and attribute data, attribute data fields: hyd_code (River code), name (river name), shape_leng (river length).
", "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": "Data vectorization
", "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are invited to use the data\r\nStudents' research results (including published papers, treatises, data products and unpublished research reports, data products, etc.)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": [ "河流，基础地理，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": "李红星", "email": "lihongxing@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" }