@article{fdi:010077478,
  title = {{A}ssessing the impact of global climate changes on irrigated wheat yields and water requirements in a semi-arid environment of {M}orocco},
  author = {{B}ouras, {E}. and {J}arlan, {L}ionel and {K}habba, {S}. and {E}r-{R}aki, {S}. and {D}ezetter, {A}lain and {S}ghir, {F}. and {T}ramblay, {Y}ves},
  editor = {},
  language = {{ENG}},
  abstract = {{T}he present work aims to quantify the impact of climate change ({CC}) on the grain yields of irrigated cereals and their water requirements in the {T}ensift region of {M}orocco. {T}he {M}ed-{CORDEX} ({MED}iterranean {CO}ordinated {R}egional {C}limate {D}ownsca ling {EX}periment) ensemble runs under scenarios {RCP}4.5 ({R}epresentative {C}oncentration {P}athway) and {RCP}8.5 are first evaluated and disaggregated using the quantile-quantile approach. {T}he impact of {CC} on the duration of the main wheat phenological stages based on the degree-day approach is then analyzed. {T}he results show that the rise in air temperature causes a shortening of the development cycle of up to 50 days. {T}he impacts of rising temperature and changes in precipitation on wheat yields are next evaluated, based on the {A}qua{C}rop model, both with and without taking into account the fertilizing effect of {CO}2. {A}s expected, optimal wheat yields will decrease on the order of 7 to 30% if {CO}2 concentration rise is not considered. {T}he fertilizing effect of {CO}2 can counterbalance yield losses, since optimal yields could increase by 7% and 13% respectively at mid-century for the {RCP}4.5 and {RCP}8.5 scenarios. {F}inally, water requirements are expected to decrease by 13 to 42%, mainly in response to the shortening of the cycle. {T}his decrease is associated with a change in temporal patterns, with the requirement peak coming two months earlier than under current conditions.},
  keywords = {{MAROC}},
  booktitle = {},
  journal = {{S}cientific {R}eports - {N}ature},
  volume = {9},
  numero = {},
  pages = {19142 [ ]},
  ISSN = {2045-2322},
  year = {2019},
  DOI = {10.1038/s41598-019-55251-2},
  URL = {https://www.documentation.ird.fr/hor/fdi:010077478},
}