@article{fdi:010040778, title = {{N}orthern {H}emisphere forcing of climatic cycles in {A}ntarctica over the past 360,000 years}, author = {{K}awamura, {K}. and {P}arrenin, {F}. and {L}isiecki, {L}. and {U}emura, {R}. and {V}imeux, {F}ran{\c{c}}oise and {S}everinghaus, {J}. {P}. and {H}utterli, {M}. {A}. and {N}akazawa, {T}. and {A}oki, {S}. and {J}ouzel, {J}. and {R}aymo, {M}. {E}. and {M}atsumoto, {K}. and {N}akata, {H}. and {M}otoyama, {H}. and {F}ujita, {S}. and {G}oto {A}zuma, {K}. and {F}ujii, {Y}. and {W}atanabe, {O}.}, editor = {}, language = {{ENG}}, abstract = {{T}he {M}ilankovitch theory of climate change proposes that glacial interglacial cycles are driven by changes in summer insolation at high northern latitudes(1). {T}he timing of climate change in the {S}outhern {H}emisphere at glacial-interglacial transitions (which are known as terminations) relative to variations in summer insolation in the {N}orthern {H}emisphere is an important test of this hypothesis. {S}o far, it has only been possible to apply this test to the most recent termination(2,3), because the dating uncertainty associated with older terminations is too large to allow phase relationships to be determined. {H}ere we present a new chronology of {A}ntarctic climate change over the past 360,000 years that is based on the ratio of oxygen to nitrogen molecules in air trapped in the {D}ome {F}uji and {V}ostok ice cores(4,5). {T}his ratio is a proxy for local summer insolation(5), and thus allows the chronology to be constructed by orbital tuning without the need to assume a lag between a climate record and an orbital parameter. {T}he accuracy of the chronology allows us to examine the phase relationships between climate records from the ice cores(6-9) and changes in insolation. {O}ur results indicate that orbital-scale {A}ntarctic climate change lags {N}orthern {H}emisphere insolation by a few millennia, and that the increases in {A}ntarctic temperature and atmospheric carbon dioxide concentration during the last four terminations occurred within the rising phase of {N}orthern {H}emisphere summer insolation. {T}hese results support the {M}ilankovitch theory that {N}orthern {H}emisphere summer insolation triggered the last four deglaciations(3,10,11).}, keywords = {}, booktitle = {}, journal = {{N}ature}, volume = {448}, numero = {7156}, pages = {912--916}, ISSN = {0028-0836}, year = {2007}, DOI = {10.1038/nature06015}, URL = {https://www.documentation.ird.fr/hor/fdi:010040778}, }