Fig. 3: Insolation changes. | Communications Earth & Environment

Fig. 3: Insolation changes.

From: Impact of orbitally-driven seasonal insolation changes on Afro-Asian summer monsoons through the Holocene

Fig. 3

a Annual variation in the Northern Hemisphere insolation from 11 ka BP (11 K) to 1 ka after the present (1Kap) (shaded, unit: W m−2); contours denote that the insolation in 11 ka BP is subtracted. b Same as a except for averaged in 15 May–15 June (red line), August (blue line), and difference in between (gray bars) along 30°N. (c) Evolution of streamfunction at 850 hPa (unit: 106 m2 s−1) in 15 May–15 June (shaded, only for positive values) and August (contours, only for negative values) from 10 ka BP to 1 ka BP.

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