@article{fdi:010053181, title = {{I}ntraseasonal variability of the {W}est {A}frican monsoon}, author = {{J}anicot, {S}erge and {C}aniaux, {G}. and {C}hauvin, {F}. and de {C}o{\¨e}tlogon, {G}. and {F}ontaine, {B}. and {H}all, {N}. and {K}iladis, {G}. and {L}afore, {J}. {P}. and {L}avaysse, {C}. and {L}avender, {S}. {L}. and {L}eroux, {S}. and {M}arteau, {R}. and {M}ounier, {F}. and {P}hilippon, {N}. and {R}oehrig, {R}. and {S}ultan, {B}enjamin and {T}aylor, {C}. {M}.}, editor = {}, language = {{ENG}}, abstract = {{T}he intraseasonal time scale is critical in {W}est {A}frica where resources are highly rainfall dependent. {T}hree main modes of variability have been identified, two with a mean periodicity of 15 days and one with a mean periodicity around 40 days. {T}hese modes have a regional scale and can strongly influence precipitation and convective activity. {T}hey are mainly controlled by atmospheric dynamics and land-surface interactions. {T}hey can also modulate the very specific phase of the {A}frican summer monsoon onset. {A} better knowledge of the mechanisms controlling this scale is necessary to improve its predictability. {C}opyright.}, keywords = {{W}est {A}frican monsoon ; intraseasonal variability ; monsoon onset ; predictability ; crop yield}, booktitle = {{M}onsoon {M}ultidisciplinary {A}nalysis ({AMMA}) : an integrated project for understanding of the {W}est {A}frican climate system and its human dimension}, journal = {{A}tmospheric {S}cience {L}etters}, volume = {12}, numero = {1}, pages = {58--66}, ISSN = {1530-261{X}}, year = {2011}, DOI = {10.1002/asl.280}, URL = {https://www.documentation.ird.fr/hor/fdi:010053181}, }