利用2002~2008年的GOMOS（Global Ozone Monitoring by Occultation of Stars）卫星观测资料,研究了热带平流层臭氧、二氧化氮和三氧化氮的准两年振荡（QBO）和半年振荡（SAO）特征.对赤道上空臭氧和剩余环流垂直速度的年际异常的诊断...利用2002~2008年的GOMOS（Global Ozone Monitoring by Occultation of Stars）卫星观测资料,研究了热带平流层臭氧、二氧化氮和三氧化氮的准两年振荡（QBO）和半年振荡（SAO）特征.对赤道上空臭氧和剩余环流垂直速度的年际异常的诊断分析表明：动力输送是赤道平流层臭氧呈QBO分布的主要控制因素;在垂直输送作用下,平流层中层臭氧的QBO信号会随着剩余速度的异常向下传播.而在赤道外的平流层低层,动力输送在一些年中对臭氧形成QBO分布作用显著;在赤道外的平流层中层,动力输送只影响南半球的臭氧分布.此外,文中分析了热带平流层中二氧化氮的分布,它在赤道平流层中、高层表现出深厚且准静止的QBO特征,与同高度上垂直剩余速度的分布有关;在赤道外平流层中层,二氧化氮在南北半球呈现不同的分布特征.受赤道纬向风SAO的影响,三氧化氮的年际异常在赤道平流层上层表现出显著的SAO分布特征,在纬向风SAO的不同阶段,动力输送对三氧化氮的分布产生相反的作用结果.展开更多
In order to validate the atmospheric chemistry measurements by MIPAS,SCIAMACHY,and GOMOS onboard the ENVISAT,three flights of the balloon-borne Michelson Interferometer for Passive Sounding(MIPAS-B) were carried out i...In order to validate the atmospheric chemistry measurements by MIPAS,SCIAMACHY,and GOMOS onboard the ENVISAT,three flights of the balloon-borne Michelson Interferometer for Passive Sounding(MIPAS-B) were carried out in 2002 and 2003 at Aire sur l'Adour(France 44°N,0°E) and Esrange,Kiruna(Sweden 68°N,21°E).The validation campaign activities are summarized in this paper.The MIPAS-B instrument and its data processing procedure as well as the validation approaches are discussed in detail.The satellite and balloon measurements are matched with high coincidence in time and space,allowing a coincident approach to be applied for their comparisons.Further,a trajectory model is used to confirm and enhance the statistical significance of the validation.The validation results show that MIPAS measurements of accuracy for temperature,H2O,O3,HNO3,CH4,N2O,and NO2 are good in the altitude range of 8-39 km(No2,22-39 km).And the precision is good between the altitudes of 15-33 km(No2,22-23 km).However,some exceptions were also found for temperature,H2O,HNO3,and NO2.The SCIAMACHY data of accuracy for O3 and NO2 are within expectations between the altitudes 9-38 km except for O3 in 28-38 km.The GOMOS data about O3 and NO2 are promising according to the preliminary comparison results.展开更多
文摘利用2002~2008年的GOMOS（Global Ozone Monitoring by Occultation of Stars）卫星观测资料,研究了热带平流层臭氧、二氧化氮和三氧化氮的准两年振荡（QBO）和半年振荡（SAO）特征.对赤道上空臭氧和剩余环流垂直速度的年际异常的诊断分析表明：动力输送是赤道平流层臭氧呈QBO分布的主要控制因素;在垂直输送作用下,平流层中层臭氧的QBO信号会随着剩余速度的异常向下传播.而在赤道外的平流层低层,动力输送在一些年中对臭氧形成QBO分布作用显著;在赤道外的平流层中层,动力输送只影响南半球的臭氧分布.此外,文中分析了热带平流层中二氧化氮的分布,它在赤道平流层中、高层表现出深厚且准静止的QBO特征,与同高度上垂直剩余速度的分布有关;在赤道外平流层中层,二氧化氮在南北半球呈现不同的分布特征.受赤道纬向风SAO的影响,三氧化氮的年际异常在赤道平流层上层表现出显著的SAO分布特征,在纬向风SAO的不同阶段,动力输送对三氧化氮的分布产生相反的作用结果.
基金support by the Deutsches Zentrum für Luft-und Raumfahrt (DLR) (Project 50EE0020)support from the International Scientific and Technological Cooperation Project of Henan Provinces (Grant No.104300510068) for publication
文摘In order to validate the atmospheric chemistry measurements by MIPAS,SCIAMACHY,and GOMOS onboard the ENVISAT,three flights of the balloon-borne Michelson Interferometer for Passive Sounding(MIPAS-B) were carried out in 2002 and 2003 at Aire sur l'Adour(France 44°N,0°E) and Esrange,Kiruna(Sweden 68°N,21°E).The validation campaign activities are summarized in this paper.The MIPAS-B instrument and its data processing procedure as well as the validation approaches are discussed in detail.The satellite and balloon measurements are matched with high coincidence in time and space,allowing a coincident approach to be applied for their comparisons.Further,a trajectory model is used to confirm and enhance the statistical significance of the validation.The validation results show that MIPAS measurements of accuracy for temperature,H2O,O3,HNO3,CH4,N2O,and NO2 are good in the altitude range of 8-39 km(No2,22-39 km).And the precision is good between the altitudes of 15-33 km(No2,22-23 km).However,some exceptions were also found for temperature,H2O,HNO3,and NO2.The SCIAMACHY data of accuracy for O3 and NO2 are within expectations between the altitudes 9-38 km except for O3 in 28-38 km.The GOMOS data about O3 and NO2 are promising according to the preliminary comparison results.
