Figure 1 | Scientific Reports

Figure 1

From: Origin, Maintenance and Variability of the Asian Tropopause Aerosol Layer (ATAL): The Roles of Monsoon Dynamics

Figure 1

Climatological features and dominant seasonal and intraseasonal variations associated with the AMA, showing (a) spatial distribution of geopotential height (km) and winds (ms−1) at 100 hPa and rainfall (mm day−1) during June-July-August, 2008. Reference wind vector (30 ms−1) is shown in bottom right corner of panel (a). Color shading is for precipitation in mm day−1. Red rectangle indicates domain where EOF analysis of 100 hPa daily zonal winds was carried out. Dominant spatio-temporal patterns are shown in (b) EOF1, (c) PC1, (d) EOF2 and (e) PC2. Units of EOF and PC are scaled so that their products represent the magnitude of wind speed in ms−1. Maps are generated using the NCAR Command Language (Version 6.4.0, https://www.ncl.ucar.edu, 2017).

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