Research Article

Spatial Heterogeneity in Tropospheric Column Ozone over the Indian Subcontinent: Long-Term Climatology and Possible Association with Natural and Anthropogenic Activities

Figure 2

Month-to-month variation of tropospheric column ozone measured by TOMS and OMI satellites over TH, NE, IGP, ML, SI, NBoB, and SBoB averaged for the period 1979–2009. The vertical bars represent the standard deviation from the mean.
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