New Metrics of the Tropospheric Biennial Oscillation in the East Asian Summer Monsoon and Its Interdecadal Shift
DAI Zhi-Xiu
New Metrics of the Tropospheric Biennial Oscillation in the East Asian Summer Monsoon and Its Interdecadal Shift |
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DAI Zhi-Xiu
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| Figure 2 1949-2009 time series of the tropospheric biennial oscillation index TBOI real curve and its linear trend with reference to zero line dash line and the correlation coefficient between the TBOI and the corresponding EASMI as for a EASMI LZ , which includes area-averaged seasonally DNS at 850 hPa within the East Asian monsoon domain 10-40”ćN, 110-140”ćE, and b EASMI WF , which includes represents the difference between the westerly anomalies averaged over 5-15”ćN, 90-130”ćE and those averaged over 22.5-32.5”ćN, 110-140”ćE, respectively. The correlations are both insignificant. The positive slope of the linear trend indicates the increase of the TBOI in the period. |
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