The marine source of isoprene (molecules cm-2s-1) for 2001 calculated from MODIS observations of chlorophyll content:

January
February
March
April
May
June
July
August
September
October
November
December

The data has a horizontal resolution of 36 km2. The data has dimensions 1024 x 512 (lon x lat).

For additional information about the method/data we used to estimate the marine isoprene flux please refer to:

  • Palmer, P. I., and S. L. Shaw, "Quantifying global marine isoprene fluxes using MODIS chlorophyll observations," Geophys. Res. Lett., 32, L09805, doi:10.1029/2005GL022592, 2005. (PDF).

    Paul Palmer, March 2005.