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典型文献
Ocean-atmosphere Teleconnections Play a Key Role in the Interannual Variability of Seasonal Gross Primary Production in China
文献摘要:
Since the 1950s,the terrestrial carbon uptake has been characterized by interannual variations,which are mainly determined by interannual variations in gross primary production(GPP).Using an ensemble of seven-member TRENDY(Trends in Net Land-Atmosphere Carbon Exchanges)simulations during 1951-2010,the relationships of the interannual variability of seasonal GPP in China with the sea surface temperature(SST)and atmospheric circulations were investigated.The GPP signals that mostly relate to the climate forcing in terms of Residual Principal Component analysis(hereafter,R-PC)were identified by separating out the significant impact from the linear trend and the GPP memory.Results showed that the seasonal GPP over China associated with the first R-PC1(the second R-PC2)during spring to autumn show a monopole(dipole or tripole)spatial structure,with a clear seasonal evolution for their maximum centers from springtime to summertime.The dominant two GPP R-PC are significantly related to Sea Surface Temperature(SST)variability in the eastern tropical Pacific Ocean and the North Pacific Ocean during spring to autumn,implying influences from the El Nino-Southern Oscillation(ENSO)and the Pacific Decadal Oscillation(PDO).The identified SST and circulation factors explain 13%,23%and 19%of the total variance for seasonal GPP in spring,summer and autumn,respectively.A clearer understanding of the relationships of China's GPP with ocean-atmosphere teleconnections over the Pacific and Atlantic Ocean should provide scientific support for achieving carbon neutrality targets.
文献关键词:
作者姓名:
Kairan YING;Jing PENG;Li DAN;Xiaogu ZHENG
作者机构:
Key Laboratory of Regional Climate-Environment for Temperate East Asia,Institute of Atmospheric Physics,Chinese Academy of Sciences,Beijing 100029,China
引用格式:
[1]Kairan YING;Jing PENG;Li DAN;Xiaogu ZHENG-.Ocean-atmosphere Teleconnections Play a Key Role in the Interannual Variability of Seasonal Gross Primary Production in China)[J].大气科学进展(英文版),2022(08):1329-1342,中插17-中插22
A类:
Teleconnections,TRENDY,teleconnections
B类:
Ocean,atmosphere,Play,Key,Role,Interannual,Variability,Seasonal,Gross,Primary,Production,China,Since,1950s,terrestrial,carbon,uptake,has,been,characterized,by,interannual,variations,which,mainly,determined,gross,primary,production,GPP,Using,ensemble,seven,member,Trends,Net,Land,Atmosphere,Carbon,Exchanges,simulations,during,relationships,variability,seasonal,surface,temperature,SST,atmospheric,circulations,were,investigated,signals,that,mostly,climate,forcing,terms,Residual,Principal,Component,analysis,hereafter,identified,separating,impact,from,linear,trend,memory,Results,showed,over,associated,first,PC1,second,PC2,autumn,monopole,dipole,tripole,spatial,structure,evolution,their,maximum,centers,springtime,summertime,dominant,two,significantly,related,Surface,Temperature,eastern,tropical,Pacific,North,implying,influences,El,Nino,Southern,Oscillation,ENSO,Decadal,PDO,factors,explain,total,variance,respectively,clearer,understanding,ocean,Atlantic,should,provide,scientific,support,achieving,neutrality,targets
AB值:
0.592015
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