{"id":"c209bda5-7e64-41f1-8e52-f202fa998ae6","title":"三江源1:25万水系数据集（2015）","title_en":"River networks dataset at 1:250 000 in Three Rivers Source Region (2015)","serial":"","user_limit":"为尊重知识产权、保障数据作者的权益、扩展数据中心的服务、评估数据的应用潜力，请数据使用者在使用数据所产生的研究成果中（包括公开发表的论文、论著、数据产品和未公开发表的研究报告、数据产品等成果），明确注明数据来源和数据作者。对于转载（二次或多次发布）的数据，作者还须注明原始数据来源。","instructions":"","description":"本数据来源于全国地理信息资源目录服务系统系统，由国家基础地理信息中心于2017年11月份开始免费向公众提供。我们将三江源作为一个整体进行了拼接和裁切，以便于三江源地区研究中的使用。数据现势性为2015年。\n本数据集为三江源地区1：25万水系数据，包括水系面（HYDA）、水系线(HYDL)和水系点(HYDP)三个图层。水系面（HYDA）包括湖泊、水库、双线河流和沟渠等；水系线(HYDL)包括单线河流、沟渠、河流结构线等；水系点(HYDP)包括泉、井等。\n        HYDA属性项名称及定义：\n属性项\t描述\t填写实例\nGB\t国标分类码\t210101\nHYDC\t水系名称代码\tKJ2103\nNAME\t名称\t黑河\nWQL\t水质\t淡\nPERIOD\t时令月份\t7-9\nTYPE\t类型\t通行\n         HYDL属性项名称及定义：\n属性项\t描述\t填写实例\nGB\t国标分类码\t210101\nHYDC\t水系名称代码\tKJ2103\nNAME\t名称\t黑河\nPERIOD\t时令月份\t7-9\n         HYDP属性项名称及定义：\n属性项\t描述\t填写实例\nGB\t国标分类码\t210101\nNAME\t名称\t不冻泉\nTYPE\t类型\t淡\nANGLE\t角度\t75\n          水系数据GB码及其含义：\n 属性项\t代码\t描述\nGB\t210101\t地面河流\n\t210200\t时令河\n\t210300\t干涸河\n\t230101\t湖泊\n\t230102\t池塘\n\t230200\t时令湖\n\t230300\t干涸湖\n\t240101\t建成水库\n\t240102\t建成中水库","doi":"","projection":"","language":"zh","share_type":"online","east":102.58,"west":89.15,"south":30.79,"north":37.38,"scale":null,"crs":"","filesize":77.1,"share_policy":"a","ts_created":"2018-11-30T20:18:57.166840+08:00","doi_type":"","ts_updated":"2021-11-02T16:10:21.939639+08:00","time_description":"","datas_group":3,"time_description_en":"","data_format":null,"project":[10,11,12],"specials":["d09c103c-0e37-4b09-a609-6d77c982ae37","f2a78cde-1c98-4241-94dc-7532eba32b80"],"cite":"","review_status":5,"review_invite":[],"review_editor":{"id":21057,"last_login":"2022-04-02T11:43:37.753860+08:00","username":"gecm","email":"gechm@lzb.ac.cn","is_active":true,"is_staff":true,"user_name":"盖春梅"},"data_sources":"","temporal_resolution":"","spatial_resolution":"","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[7],"subtopics":{"metadata":"c209bda5-7e64-41f1-8e52-f202fa998ae6","three_pole":null,"third_pole":null},"username":"胡晓利","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":7074}