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Question
In the CO2record from Mauna Loa we see small wiggles with a duration of one year superimposed on a general long-term increasing trend. These wiggles are caused by ________.A) seasons combined with the fact that there is more vegetation in the northern hemisphere
B) seasons combined with the fact that there is more marine uptake of CO2by algae in the southern hemisphere because if is dominated by the oceans
C) variable CO2emissions from nearby volcanoes
D) annual El Nio/La Nia cycle
E) the difference between the amount of solar radiation heating the ocean in summer and winter combined with the fact that warmer water can hold less CO2
Answer
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