Figure 4

Maps of (a) the monthly mean of the summer (June-August) isoprene flux (ug), (b) the monthly mean of the summer monoterpene (ug), (c) the trends of the monthly mean of the summer isoprene and (d) the monthly mean of the summer monoterpene in the simulations of the modern period from 1950 to 2005. This figure was generated using the software of ArcMap 10.2 and Adobe Illustrator.