@article{fdi:010074777,
  title = {{L}ess frequent and more intense rainfall along the coast of the {G}ulf of {G}uinea in {W}est and {C}entral {A}frica (1981-2014)},
  author = {{B}ichet, {A}deline and {D}iedhiou, {A}rona},
  editor = {},
  language = {{ENG}},
  abstract = {{S}ince the 1990s, rainfall has been reported to increase over the {G}ulf of {G}uinea. {I}n light of the devastating floods that have occurred since then over the coastal areas of this region, this study aims to better characterize the recent trends in precipitation there. {W}e used the {C}limate {H}azards {G}roup {I}nfra{R}ed {P}recipitation with {S}tation ({CHIRPS}) product, a new observational rainfall dataset that covers the period 1981-2014 at high resolution and daily time steps. {D}uring the first rainy season ({A}pril-{J}une), we find that the lack of significant trend observed in mean precipitation hides a trend towards less frequent but more intense rainfall along the coast of the {G}ulf of {G}uinea, which is expected to increase the likelihood of flooding and droughts, and fits with the recent increase in devastating floods. {O}ver the north however (between 7 degrees and 12.5 degrees {N}), rainfall has become more frequent and less intense, which is expected to decrease the likelihood of flooding and droughts. {D}uring the second rainy season ({S}eptember-{N}ovember), we find that the clear increase in mean precipitation observed between 5 degrees and 12.5 degrees {N} results from an increase in precipitation intensity and frequency, while over southern {C}ameroon, the decrease in mean precipitation hides a trend towards less frequent but more intense rainfall. {I}n both seasons, the average duration of wet spells has greatly decreased along the coast, in favor of more numerous and more intense isolated wet days.},
  keywords = {{CHIRPS} ; {D}ry spell ; {G}uinea {C}oast ; {P}recipitation intensity ; {W}et spell ; {AMMA}-{CATCH} ; {T}rend ; {F}lood ; {SENEGAL} ; {MALI} ; {SIERRA} {LEONE} ; {GABON} ; {GUINEE} {BISSAU} ; {GUINEE} ; {GABON} ; {BURKINA} {FASO} ; {SIERRA} {LEONE} ; {TOGO} ; {BENIN} ; {GHANA} ; {LIBERIA} ; {COTE} {D}'{IVOIRE} ; {NIGERIA} ; {GUINEE} {GOLFE}},
  booktitle = {},
  journal = {{C}limate {R}esearch},
  volume = {76},
  numero = {3},
  pages = {191--201},
  ISSN = {0936-577{X}},
  year = {2018},
  DOI = {10.3354/cr01537},
  URL = {https://www.documentation.ird.fr/hor/fdi:010074777},
}