Editing IPCC:AR6/Glossary (section)

=== <span class="glossary-term">Bipolar seesaw</span> ===

<div class="glossary-working-groups">'''Working Groups:''' WGI</div>

<div class="glossary-longer-term">'''Full term:''' Bipolar seesaw (also inter-hemispheric seesaw, inter-hemispheric asymmetry, hemispheric asymmetry)</div>

<div class="glossary-definition">'''Definition:''' A phenomenon in which temperature changes in the Northern and Southern hemispheres are related but out of phase, generally inferred to represent a change in the magnitude or sign of net heat transport across the equator. Originally called hemispheric asymmetry and linked to changes in thermohaline overturning circulation on multi-millennial scales (Mix et al, 1986), later named bipolar seesaw and applied to millennial scales (Broecker, 1998) with a similar thermohaline mechanism (Stocker and Johnsen, 2003).</div>
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