{"id":"629178c5-8357-4f1e-a4ef-e1b3cd314e5a","title":"中国长江上游0.05°连续日光诱导叶绿素荧光（CSIF）数据集（2000-2020）","title_en":"Data set of 0.05 ° continuous sunlight induced chlorophyll fluorescence (CSIF) in the upper reaches of the Yangtze River, China (2000-2020)","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":"yyyyOCO2.SIF.clear.inst.yyyyddd.v2.nc.tif\n其中 yyyy 表示年份，doy 表示一年中的某一天。","description":"卫星检索到的太阳诱导叶绿素荧光（SIF）显示出监测陆地生态系统光合活动的巨大潜力。然而，一些问题，包括网格化数据集的空间和时间分辨率低以及单个检索的高不确定性，限制了SIF的应用。此外，测量足迹的不一致也阻碍了涡流协方差（EC）磁通量塔的总初级生产（GPP）与卫星检索的SIF之间的直接比较。该数据集是通过训练具有中分辨率成像光谱仪表面反射率的神经网络(NN)和轨道碳观测站2(OCO-2)的表面反射因子，生成的全球空间连续的SIF数据集。晴空瞬时CSIF(CSIFclear-inst)对晴空 OCO-2 SIF显示出很高的精度，并且对生物群类型的偏差很小。连续的SIF数据集和派生的GPP-SIF关系可以更好地理解GPP在生物群落和气候中的空间和时间变化。本数据集为中国长江上游4天时间分辨率的日光诱导叶绿素荧光数据集。","doi":"https://doi.org/10.5194/bg-15-5779-2018","projection":"","language":"zh","share_type":"online","east":112.0,"west":89.0,"south":24.0,"north":36.5,"scale":null,"crs":null,"filesize":707.0,"share_policy":"a","ts_created":"2022-09-26T09:35:33.387532+08:00","doi_type":"拥有自主知识产权","ts_updated":"2022-10-17T19:31:26.548887+08:00","time_description":"2000年001天-2020年221天","datas_group":3,"time_description_en":"001 days in 2000 – 221 days in 2020","data_format":null,"project":[10],"specials":["b4b306da-eab1-47ef-ae5d-be2556298efd"],"cite":null,"review_status":5,"review_invite":[],"review_editor":null,"data_sources":null,"temporal_resolution":"Daily","spatial_resolution":"0.05 º - 0.1º","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[],"subtopics":{"metadata":"629178c5-8357-4f1e-a4ef-e1b3cd314e5a","three_pole":null,"third_pole":null},"username":"李果","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":281}