@article{fdi:010012844, title = {{A}stronomical forcing of contrasting rainfall changes in tropical {S}outh {A}merica between 12,400 and 8800 cal yr {B}.{P}.}, author = {{M}artin, {L}ouis and {B}ertaux, {J}acques and {C}orr{\`e}ge, {T}hierry and {L}edru, {M}arie-{P}ierre and {M}ourguiart, {P}hilippe and {S}ifeddine, {A}bdelfettah and {S}oubi{\`e}s, {F}ran{\c{c}}ois and {W}irrmann, {D}enis and {S}uguio, {K}. and {T}urcq, {B}runo}, editor = {}, language = {{ENG}}, abstract = {{T}oday, precipitation over tropical {S}outh {A}merica is largely controlled by the seasonal movements of the {I}nter-{T}ropical {C}onvergence {Z}one ({ITCZ}). {D}uring the summer, the {ITCZ} is shifted southward due to the warming of the continent. {P}aleoclimate data from southeastern {A}mazonia and the central {A}ndes indicate that these two areas evolved similarly during the last 30,000 yr. {H}owever, between 12,400 and 8800 cal yr {B}.{P}., eastern {A}mazonia received substantial moisture whereas the {B}olivian {A}ltiplano was arid. {T}his suggests that the {ITCZ} during summer was then farther north than it is today. ({R}{\'e}sum{\'e} d'auteur)}, keywords = {{QUATERNAIRE} ; {PALEOCLIMAT} ; {ZONE} {DE} {CONVERGENCE} {INTERTROPICALE} ; {AMERIQUE} {DU} {SUD} ; {ZONE} {TROPICALE}}, booktitle = {}, journal = {{Q}uaternary {R}esearch}, volume = {47}, numero = {1}, pages = {117--122}, year = {1997}, DOI = {10.1006/qres.1996.1866}, URL = {https://www.documentation.ird.fr/hor/fdi:010012844}, }