The mass stream function of mean me-ridional circulation is calculated from the ECMWF andNCEP/NCAR reanalysis data sets using a superposi-tion computation scheme. The comparison of resultsshows that the common ascendi...The mass stream function of mean me-ridional circulation is calculated from the ECMWF andNCEP/NCAR reanalysis data sets using a superposi-tion computation scheme. The comparison of resultsshows that the common ascending leg of the Hadleycell calculated from the ECMWF data is strong andnarrow, and averagely lies more north of the equatorin comparison with its counterpart from the NCEP/ NCAR data, and furthermore the Hadley cell from theECMWF data shows an obvious double-layer struc-ture. Therefore, there are obvious differences be-tween Hadley cells displayed by the two objectiveanalysis data sets.展开更多
基金supported by the National Natural Science Foundation of China(Grant No.40475028)"The Six Talent Peaks Project of Jiangsu Province".
文摘The mass stream function of mean me-ridional circulation is calculated from the ECMWF andNCEP/NCAR reanalysis data sets using a superposi-tion computation scheme. The comparison of resultsshows that the common ascending leg of the Hadleycell calculated from the ECMWF data is strong andnarrow, and averagely lies more north of the equatorin comparison with its counterpart from the NCEP/ NCAR data, and furthermore the Hadley cell from theECMWF data shows an obvious double-layer struc-ture. Therefore, there are obvious differences be-tween Hadley cells displayed by the two objectiveanalysis data sets.