@article{PAR00015364, title = {{P}ast productivity variations and organic carbon burial in the {G}ulf of {A}den since the last glacial maximum}, author = {{F}ersi, {W}. and {B}assinot, {F}. and {L}ezine, {A}nne-{M}arie}, editor = {}, language = {{ENG}}, abstract = {{W}e reconstructed the evolution of marine primary productivity across the last deglaciation in the {G}ulf of {A}den based on micro-paleontological and sedimentological data from marine core {MD}92-1002. {D}inoflagellate cysts analysis suggests that the glacial period was characterized by weakened upwellings and well ventilated bottom water. {P}rimary productivity increased from 14.5 ka with a maximum between 12.6 and 10.8 ka, then declined during the {H}olocene. {M}aximum of primary productivity in the {G}ulf of {A}den took place about 3 ka earlier than the maximum of upwelling intensity off the {O}man margin, and was not phase-locked with the maximum of boreal summer insolation. {XRF}-derived bromine contents mimic the variations of {T}otal {O}rganic {C}arbon ({TOC}) in core {MD}92-1002. {B}oth records show a strong glacial/interglacial signal that is largely decoupled from our reconstruction of surface productivity, suggesting that total organic content in core {MD}92-1002 is mainly controlled by preservation at the sea floor.}, keywords = {{G}ulf of {A}den ; dinoflagellate cysts ; productivity ; organic carbon ; monsoon ; {ADEN} {GOLFE} ; {OMAN}}, booktitle = {}, journal = {{Q}uaternaire}, volume = {27}, numero = {3}, pages = {213--226}, ISSN = {1142-2904}, year = {2016}, URL = {https://www.documentation.ird.fr/hor/{PAR}00015364}, }