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The Benguela Coastal Low\u2010Level Jet (BCLLJ) is one of the most important mesoscale feature that shape the climate of this region. The main synoptic forcing of the BCLLJ is the Angola thermal low over land and the St. Helen anticyclone over the ocean, resulting in southwesterly winds along the coast. This study investigates how the BCLLJ might change due to climate warming, with the help of uncoupled and coupled simulations from a 25\u2010km horizontal resolution regional climate model (ROM). In general, the coupled simulation displays the best performance in representing the present time near\u2010surface wind speed, with a decrease on the known warm bias of sea surface temperature in the Benguela eastern boundary upwelling system region. The analysis of the projected changes of the BCLLJ climate toward the end of the 21st century (2070\u20132099), following the RCP8.5 emissions scenario, shows an increase in the frequency of the BCLLJ occurrence along the southern area with higher changes in the coupled simulation (between 6% and 8%). These changes are related to a southerly shift of the St. Helen High, which intensifies the flow offshore the west coast of South Africa and causes a sharpening of the land\u2010sea thermal contrasts. However, during spring, associated with the decrease in near\u2010surface wind speed due to higher sea surface temperatures, the future frequency and intensity of the BCLLJ are lower.<\/jats:p>","DOI":"10.1029\/2018jd029574","type":"journal-article","created":{"date-parts":[[2019,4,10]],"date-time":"2019-04-10T09:23:00Z","timestamp":1554888180000},"page":"5010-5028","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["How Will a Warming Climate Affect the Benguela Coastal Low\u2010Level Wind Jet?"],"prefix":"10.1029","volume":"124","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6997-0978","authenticated-orcid":false,"given":"Daniela C. A.","family":"Lima","sequence":"first","affiliation":[{"name":"Instituto Dom Luiz, Faculdade de Ci\u00eancias Universidade de Lisboa  Lisboa Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9155-5874","authenticated-orcid":false,"given":"Pedro M. M.","family":"Soares","sequence":"additional","affiliation":[{"name":"Instituto Dom Luiz, Faculdade de Ci\u00eancias Universidade de Lisboa  Lisboa Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1016-5223","authenticated-orcid":false,"given":"Alvaro","family":"Semedo","sequence":"additional","affiliation":[{"name":"Instituto Dom Luiz, Faculdade de Ci\u00eancias Universidade de Lisboa  Lisboa Portugal"},{"name":"Department of Water Science and Engineering IHE Delft  Delft The Netherlands"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0259-6827","authenticated-orcid":false,"given":"Rita M.","family":"Cardoso","sequence":"additional","affiliation":[{"name":"Instituto Dom Luiz, Faculdade de Ci\u00eancias Universidade de Lisboa  Lisboa Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3638-6438","authenticated-orcid":false,"given":"William","family":"Cabos","sequence":"additional","affiliation":[{"name":"Department of Physics and Mathematics University of Alcal\u00e1  Madrid Spain"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1190-3622","authenticated-orcid":false,"given":"Dmitry V.","family":"Sein","sequence":"additional","affiliation":[{"name":"Alfred Wegener Institute for Polar and Marine Research  Bremerhaven Germany"},{"name":"Shirshov Institute of Oceanology Russian Academy of Science  Moscow Russia"}]}],"member":"13","published-online":{"date-parts":[[2019,5,7]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1175\/2010BAMS2946.1"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.247.4939.198"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1007\/s40641-015-0008-4"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1029\/JC092iC02p01467"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1175\/1520-0493(1996)124<0668:TSLLJA>2.0.CO;2"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00382-016-3319-9"},{"key":"e_1_2_7_8_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00382-018-4124-4"},{"key":"e_1_2_7_9_1","doi-asserted-by":"publisher","DOI":"10.3402\/tellusa.v68.29005"},{"key":"e_1_2_7_10_1","doi-asserted-by":"publisher","DOI":"10.5670\/oceanog.2010.05"},{"key":"e_1_2_7_11_1","doi-asserted-by":"publisher","DOI":"10.3354\/cr00916"},{"key":"e_1_2_7_12_1","unstructured":"Christensen O. 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