{"id":"8f5e00df-403a-40e3-9115-52be8331efba","title":"生态系统水热关键参量监测设备研制：植物液流仪观测数据（2019-2020）","title_en":"The development of devices monitoring ecosystem energy and water flux: Sap flow gauge (2019-2020)","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":"课题名称+仪器名称","description":"该数据集包含了2019年10月20日至2020年12月7日期间黑河流域地表过程综合观测网中混合林站植物液流仪数据（101.1346°E，41.9900°N），研究区位于黑河下游内蒙古自治区阿拉善盟额济纳旗胡杨林，海拔874m。根据胡杨林的不同高度及胸径，选取样树安装研制的植物液流仪，每棵样树安装两组，高度为1.3m。\n植物液流仪的原始观测数据为探针之间的温度差，时间为10分钟。发布的数据为每10分钟的温差数据Delta_T（℃），液流速率V（cm/h）和每天的蒸腾量T（mm/d）。首先根据探针之间的温度差计算液流速率和液流通量，然后根据观测点的胡杨林面积和树木间距，计算蒸腾量T。同时对计算之后的速率和通量值进行后处理：（1）剔除明显超出物理意义或超出仪器量程的数据；（2）缺失的数据用-6999标记；（3）因探针故障等原因引起的可疑数据用红色字体标识，并剔除确认有问题的数据。\n站点信息请参考Liu et al. (2018)，观测数据处理请参考Qiao et al. (2015)。","doi":"10.11888/Hydro.tpdc.271794","projection":"","language":"zh","share_type":"offline","east":101.1346,"west":101.1346,"south":41.99,"north":41.99,"scale":null,"crs":null,"filesize":1.46,"share_policy":"c","ts_created":"2021-10-25T16:53:01.387758+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-11-11T16:37:49.596392+08:00","time_description":"","datas_group":0,"time_description_en":"","data_format":null,"project":[11],"specials":[],"cite":null,"review_status":5,"review_invite":[{"user_name":"周彦昭","username":"小昭","email":"zhouyanzhao9@126.com","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":"Hourly","spatial_resolution":"--","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[661],"subtopics":{"metadata":"8f5e00df-403a-40e3-9115-52be8331efba","three_pole":null,"third_pole":null},"username":"刘绍民","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":421}