@article{fdi:010066170, title = {{D}aily characteristics of {W}est {A}frican summer monsoon precipitation in {CORDEX} simulations}, author = {{K}lutse, {N}. {A}. {B}. and {S}ylla, {M}. {B}. and {D}iallo, {I}. and {S}arr, {A}. and {D}osio, {A}. and {D}iedhiou, {A}rona and {K}amga, {A}. and {L}amptey, {B}. and {A}li, {A}. and {G}bobaniyi, {E}. {O}. and {O}wusu, {K}. and {L}ennard, {C}. and {H}ewitson, {B}. and {N}ikulin, {G}. and {P}anitz, {H}. {J}. and {B}uchner, {M}.}, editor = {}, language = {{ENG}}, abstract = {{W}e analyze and intercompare the performance of a set of ten regional climate models ({RCM}s) along with the ensemble mean of their statistics in simulating daily precipitation characteristics during the {W}est {A}frican monsoon ({WAM}) period ({J}une-{J}uly-{A}ugust-{S}eptember). {T}he experiments are conducted within the framework of the {CO}ordinated {R}egional {D}ownscaling {E}xperiments for the {A}frican domain. {W}e find that the {RCM}s exhibit substantial differences that are associated with a wide range of estimates of higher-order statistics, such as intensity, frequency, and daily extremes mostly driven by the convective scheme employed. {F}or instance, a number of the {RCM}s simulate a similar number of wet days compared to observations but greater rainfall intensity, especially in oceanic regions adjacent to the {G}uinea {H}ighlands because of a larger number of heavy precipitation events. {O}ther models exhibit a higher wet-day frequency but much lower rainfall intensity over {W}est {A}frica due to the occurrence of less frequent heavy rainfall events. {T}his indicates the existence of large uncertainties related to the simulation of daily rainfall characteristics by the {RCM}s. {T}he ensemble mean of the indices substantially improves the {RCM}s' simulated frequency and intensity of precipitation events, moderately outperforms that of the 95th percentile, and provides mixed benefits for the dry and wet spells. {A}lthough the ensemble mean improved results cannot be generalized, such an approach produces encouraging results and can help, to some extent, to improve the robustness of the response of the {WAM} daily precipitation to the anthropogenic greenhouse gas warming.}, keywords = {{AFRIQUE} {DE} {L}'{OUEST} ; {SAHEL} ; {ZONE} {GUINEENNE}}, booktitle = {}, journal = {{T}heoretical and {A}pplied {C}limatology}, volume = {123}, numero = {1-2}, pages = {369--386}, ISSN = {0177-798{X}}, year = {2016}, DOI = {10.1007/s00704-014-1352-3}, URL = {https://www.documentation.ird.fr/hor/fdi:010066170}, }