ESS220
Prof. Jin-Yi Yu
How
Did Monsoon Affect Methane?
qOrbital procession affects
solar radiation at low latitudes
è solar radiation affects the strength of
low-latitude monsoons
è monsoon fluctuations changes the precipitation
amounts in Southeast Asia
è heavy rainfalls increase the amount of standing
water in bogs
è decaying vegetation used up any oxygen in the
water and creates the oxygen-free conditions needed to generate
methane
è the extent of these boggy area must have expanded
during wet monsoon maximum and shrunk during dry monsoon minimum.