{"id":"8b01611d-0269-480c-9e13-7bc0c077279e","title":"滦河上游地区地表粗糙度同步观测数据集（2018）","title_en":"Synchronous observation data set of soil surface roughness in the upstream of Luan River (2018)","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":"数据共包括两个xls文件，LuanRiver_Surface_Roughness.xls为地表粗糙度参数文件，Sampling_Location.xls为样方测量点的位置以及地表覆盖文件。LuanRiver_Surface_Roughness.xls文件包含2个sheet，sheet名为测量对应的航线。每个sheet包括采样点的样方名，表征样方粗糙度的参数：均方根高度和相关长度。每个样方有两个方向的采样数据和平均粗糙度数据，01表示东西方向（或平行垄方向），02表示南北方向（垂直垄方向）。Sampling_Location.xls文件有1个sheet，包含采样点样方名，地表覆盖情况以及采样点的经纬度信息。","description":"本地表粗糙度数据集来源于滦河流域土壤水分遥感试验中的地面同步观测，分别覆盖（1）70 km×12 km 典型试验区（南北航线）的30个样区以及（2）165 km×5 km复杂试验区（东北—西南航线）的8个样区。数据分别于2018年9月17日、2018年9月18日和2018年9月20日获取，试验测量了每个样区中典型地物的东西（或平行垄）方向和南北（或垂直垄）方向的粗糙度。地表粗糙度以均方根高度和相关长度进行表示，其中均方根高度是垂直方向上粗糙程度的度量，自相关长度作为粗糙程度在水平方向上的度量。本数据集经过土壤表面高度数字化、斜度校正、周期校正、粗糙度计算等步骤处理得到。","doi":"10.11888/Soil.tpdc.271655","projection":"","language":"zh","share_type":"online","east":117.5,"west":115.5,"south":41.0,"north":43.0,"scale":null,"crs":null,"filesize":0.1,"share_policy":"a","ts_created":"2021-08-12T14:46:12.176585+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-09-22T09:48:44.741447+08:00","time_description":"20180916","datas_group":3,"time_description_en":"20180918","data_format":null,"project":[11],"specials":["01b03daa-1b7b-46b8-a05d-96133c0ed0d8"],"cite":null,"review_status":5,"review_invite":[{"user_name":"郑东海","username":"XDA20100100","email":"zhengd@itpcas.ac.cn","is_cancel_expert":false}],"review_editor":{"id":42421,"last_login":"2022-04-08T15:16:51.670544+08:00","username":"任慧霞","email":"510727846@qq.com","is_active":true,"is_staff":true,"user_name":"任慧霞"},"data_sources":null,"temporal_resolution":"Daily","spatial_resolution":"1m - 10m","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[229,601],"subtopics":{"metadata":"8b01611d-0269-480c-9e13-7bc0c077279e","three_pole":null,"third_pole":null},"username":"郭鹏","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":1070}