qThis hypothesis argues
that millennial oscillations were
produced by the internal interactions among
various components of the climate
system.
qOne most likely
internal interaction is the one associated with the
deep-water formation in the North
Atlantic.
qMillennial oscillations
can be produced from changes in northward
flow of warm, salty surface water along the
conveyor belt.
qStronger conveyor flow
releases heat that melts ice and lowers
the salinity of the North Atlantic, eventually
slowing or stopping the formation of deep
water.
qWeaker flow then causes
salinity to rise, completing the cycle.