{"id":"94fffcc3-37e7-472a-a110-17939168fbf4","title":"青藏高原北麓河气象冻土地温监测数据集（2017-2018）","title_en":"Frozen land temperature monitoring dataset of  Tibet Plateau Beibeihe meteorological station (2017-2018)","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":"青藏高原北麓河气象站2017.1-2018.10冻土地温监测数据集\n可以采用EXCEL打开查看和分析.","description":"冻土是指温度低于或等于0℃且含有冰的土体或岩体，它对温度特别敏感，其物理力学性质会随温度的变化而产生显著变化。冻土的冻胀变形和融化沉降变形是最为常见的冻土灾害，它们的发生主要是因冻土工程活动使冻土固有的温度发生变化而引起的，所以保护冻土主要也是保护冻土温度，让其维持在工程活动之前最为接近的状态。获取冻土地温的主要方法是埋设测温电缆，通过CR3000的数据采集功能获得测温电缆不同时间的阻值变化，利用标定系数和电阻值的对应关系计算出温度值。依据冻土对温度的敏感特征，地温的变化情况，能够反应气候的变化情况，也能够结合其他要素分析出人类活动对冻土的稳定性的影响机理及程度，从而来指导后期工程活动中的冻土保护措施的升级改造等。","doi":"10.11888/Geocry.tpdc.270536","projection":"","language":"zh","share_type":"online","east":92.0,"west":92.0,"south":35.0,"north":35.0,"scale":null,"crs":null,"filesize":0.13,"share_policy":"a","ts_created":"2019-06-30T03:35:19.750193+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-04-19T22:43:50.950431+08:00","time_description":"","datas_group":3,"time_description_en":"","data_format":null,"project":[11],"specials":["d752b89e-479e-4572-ba1e-30fd6c77dca0","f2a78cde-1c98-4241-94dc-7532eba32b80"],"cite":null,"review_status":5,"review_invite":[{"user_name":"冉有华","username":"ryh","email":"ranyh@lzb.ac.cn","is_cancel_expert":false}],"review_editor":{"id":21054,"last_login":"2022-04-10T10:49:12.540341+08:00","username":"tingting","email":"panxd@itpcas.ac.cn","is_active":true,"is_staff":true,"user_name":"潘小多"},"data_sources":"","temporal_resolution":"Monthly","spatial_resolution":"","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[6],"subtopics":{"metadata":"94fffcc3-37e7-472a-a110-17939168fbf4","three_pole":null,"third_pole":"XDA20000000"},"username":"刘国军","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":3980}