An Alternative Schematic |
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This
pattern of mid-latitude evaporation and high and low-latitude precipitation
leads us to propose an alternative schematic for the “Global Water Cycle”
(Figure 5).It more accurately depicts
the dominance of the ocean-atmosphere processes, and delegates land processes
to a more suitable minor role. It is
drawn as a north-south section and shows the atmosphere carrying water vapor
from evaporation to precipitation regions.It also shows the complementary return flows induced in the ocean.Without those oceanic return flows, regional
sea level trends of up to 10 meters per year would develop! This diagram is an oceanographer’s view of
the global water cycle.
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