General circulation and intergyre dynamics in the eastern North Atlantic from a regional primitive equation model
Texte intégral
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(3) ! "# %$'& #((*)')# + +,-)')# +.)0/#') $'$1'2 354768479;:=<?>A@!9;>ABC<D:FEG@!HI6J:=68KL@%6MEN4A9;OQPR9;4SK8PT68:=UV@D>WX@!6YE;Z84[4A:\W]EN4A9^6L_`HQ9NEGZ a. EG<D:=6EG@D>Sb09;HIU. :c9;4AOI@!HI68:=<ed89^@!Uf@EG@DgI4h4AiRB8:FE;@DHI6jUVHkKC47<. lnmGoqp.rsr!tvu xp wGyGzN{ |]}'~x}0"x sA!'!%x*! x("x1%DA11-"!%#1F"%'~'#1}'1D T o w M¡ ow¢yNp*£=pxrsyGop.¤ r%p |]}'~x}0"x =¥"x1Fs ¦F % }0!#§A¨'%" © =ª"!}'«'=¦F!!%.}0'#ª%%#1}'1D ¬ pxrsw r%y¬ rswGoqp.r M |]}'~x}0"x sA!'!%x*! x("x1%DA11-"!%#1F"%'~'#1}'1D. ®°¯ ±x²³´;µ¶² lnmGp¸·¹p wvº.oqrsº.z »¼ o¡ w°¡½ ¼ mGp*p ¶¾!¼ p.r%wÀ¿R¡ r ¼ m ¼s» w ¼ oºCo ¾ oqwÂÁ p ¾!¼ oqà ¼ pxyÄz ¾ owNà r%p.à oq¡ w ¶ ÅNÆ Ç È É ºx¡ ¾Ê-»¼ o ¼ zNyGpËÌrsp ¾ ¡ z ¼ oq¡ w°ºx¡ wNÍ;à zNr ¼ o¡ wv¡¶½ ¼ mGpÏÎNu=ÐQÑÓÒNrso·?o ¼ oqÁ¶pTp.Ôz 1¼ o¡¶w ¾ oà · º.¡]¡ r%yGow 1¼ p ·?¡
(4) yGp Õ ½-¡ rsºxp.y Öt ¾ p ¾ ¡ w wGyÄ·?¡ w ¼ m t ¾ zGr!½ º.p*×;z
(5) Ø
(6) p ¾ Æ lnmNp¸ºx¡ ·?ÒGz ¼1¼ o¡¶w ¶ yN¡ · ow¢o ¾n¾ zGrsr%¡ zGwGyNp.y ÖÂt ¼ mNrsp.p ¾ p ½»Ì y Ò ¼ owGÃÙ¡ ÒÚpxwÄÖ¡ zGwNy rsoqp ¾nÛ mGoqºmÄp'Á º.z ¼ p ¼ mGp*¡ z ¼ à ¡ oqwGÃÜÒÚpxr ¼ zGrsÖ 1¼ o¡¶w ¾k wGy »¼ p.r ¶ t º.¡¶w ¼ rs¡ ݼ mGpCÖ r%¡
(7) º oqwGoºÞ·¹¡]yGp ¾ oqwvowN×;¡ Û rspxà o¡ w ¾.Õ ÖGz ¼k p ¼n¼ mGp*·¹¡]yGp Ý y1ß%z ¾%¼k¼ mGp*Ö rs¡ ¼ rs¡ ÒGoqº8·?¡
(8) yGp ¼ ¡ » rsà p8p0Ø ¼ p.w ¼ Æ lnmGp*Í;w ¾ ¡ z ¼ oq¡ w¢o ¾n¾!¼ Ö p wGy rspxÒGrs¡]yGzGºxp ¾ ·¹¡ ¾!¼ ½-p ¼ zGrsp ¾ ¡¶½ ¼ mGp*Ö ¶¾ owÝà ¾ ·¹p w º.oqrsºxz »¼ o¡ w Û p á\ r%p ¶ o ¾%¼ oº Tâ ¡¶rsp ¾ MzGr%rsp.w ¼.Õ^¼ mGp*¡ Ö ¾ p.r%Á¶p.yÄÒ ¼ m ¾Þ wGy ¼ r w ¾ Ò¡ r ¼s¾ ¡½ ¾ zGÖGÒ¡ » r º.zNrsrspxw ¼¾.Õ ¡¶½ ¼ mNp¸ÖNr wGºmNp ¾ ¡½ ¼ mGp¸¿Þ¡ r ¼ m ¼ w ¼ oº¸MzNrsrspxw ¼Õ ¡¶½ ¼ mGp*ow ¼ p.rsÃt
(9) r%p â ¡ wGp*·?¡
(10) y ¶Ý wNy ow ¼ p.rs·?p.yNo ¼ p Û1¼ p.rR· ¶¾s¾ p ¾ yG¡ Û w ¼ ¡ ÖÚ¡ z ¼Þã Å Å Å · Æ ½-p Û zNwGrsp ¶ o ¾%¼ oqº8º.oqrsºxz »¼ o¡ w¹½-p ¼ zGrsp ¾.Õ ¼%¼ rsoqÖGz ¼ p.y ¼ ¡ ¼ mNp¸·?¡]yGp ¾!¼ r%p ¾ ¡ z ¼ o¡ w wGy ¼ ¡äº.p.r ¼ oqw o·?o ¼¼ oq¡ w ¾ ¡¶½ ¼ mGp ¾ oà · º.¡]¡ rsyNow ¼ p ¾xÕ^ rsp ½-¡ zGwNy Öp ¡ Û`ã ŶŠŠ· Æ lnmNp¸ÖNzG¡t wGº't wGy¢Á ¡¶r ¼ oqº.o ¼ t°Ö ¶ wGºxp ¾k r%pCowÂÁ p ¾%¼ oqà ¼ p.yvow ¼ mGp*ow ¼ pxrsöt]rsp â ¡ wGp Æ lnmGpÙÎ
(11) zGÖGÒ¡ rkÑÄ¡]yGpCå 1¼ p.r Ê ÎNuQÑ å5Ë Õ;¾ zGÖÚyNzGº ¼ p.y ¼R r%p ¶ o ¾%¼ oº8r ¼ p Õ º.¡¶w ¼ owzGp ¾ o ¼¾n¾ ¡¶z ¼ m ÛM rsy ß%¡ zGr%wGpxt ¼ ¡ Û rsy ¼ mGp*¡]º.p wÝà ¾ ow ¼ p.rsoq¡ roqw º.º.¡¶rsy wNº.p Û o ¼ m ¼ mGpCÁ pxw ¼ o ¼ pxy ¼ mGp.r%·¹¡]º owGp ¼ mGp.¡¶r%t ÕGÛ o ¼ m p.yNyNtvyGo Òt]ºxw ¶ ×;z
(12) Ø
(13) p ¾ p0ØNpxr ¼ owGà ·¹¡]yGp.r ¼ oqwGÃæp'{pxº ¼ Æ lnmGp*Ò¡ p Û r%yÄ·?¡ ¼ o¡ w°¡½ ¼ mGpÏÑÄp.yGo ¼ pxrsr wGp w å ¼ pxr Ê Ñ å5Ëo ¾ r%p.ÒGr%¡
(14) yGzNº.p.y Û p wN¡ r ¼ mÄ¡¶½ çè È ¿ wGyvà ¡Á p.r%wGp.yÄÖÂt ¾ o·?o rQyNt]w ·?oº ¾xÕ ÖGz ¼ o ¾Þ Ö ¾ pxw ¼ ¾ ¡¶z ¼ m ¡¶½ çè È ¿ Æ lnmGp ¾ ¡ z ¼ m Û r%y·?¡ ¼ oq¡ w¢¡¶½Fé ÖGr yG¡ rRÎ
(15) p å ¼ pxr Ê é7Î]å5ËMo ¾ · ow t?yGrsoÁ pxwÄÖÂt yGo ÒÂt
(16) ºxw ¶ ×;z]ØNp ¾ oqwGyGzGºxp.y ÖÂt¢Á p.r ¼ oqº ¶ yGo{z ¾ o¡¶w Õ
(17) Û mGoqºmÄp0Ø
(18) p.r ¼ Á pxr ¼ oº ¾%¼ r%p ¼ ºmGowGÃ Æ lnmNo ¾ p'Ø
(19) Ò w ¼ o¡ w º.¡¶w ¼ r ¶¾!¼¾kÛ o ¼ m r%p.º.pxw ¼T¾!¼ zGyNt Û mNp.rsp ¾q¼ Í;wGöp.rsoqwGà ۾R¾ mG¡ Û w ¼ ¡?yNrsoqÁ¶p ä¾ o·?o ré7Î]å º.or%º.z ¼ oq¡ w Æ.
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