Advective and diapycnal diffusive oceanic flux in Tenerife - La Gomera Channel

Geophysical Resea ch Abs ac s Vol. 14, EGU2012-11768, 2012 EGU Gene al Assembly 2012 © Au ho (s) 2012 Ad ec i e and diapycnal di usi e oceanic lux in Tene i e - La Gome a Channel A. Ma e o-Díaz, A. Rod iguez-San ana, M. He nández-A encibia, F. Machín, and L. Ga cía-Weil ULPGC, Física, Las Palmas de G. C., Spain ([email p o ec ed]) Du ing he yea 2008, using he comme cial passenge ship Volcán de Tauce o he Na ie a A mas company se e al mon hs, i was possible o ob ain e ical p o iles o empe a u e om expandable ba hy he mog aph p obes in eigh s a ions ac oss he Tene i e - La Gome a channel. Wi h hese da a o empe a u e we ha e been es ima ed e ical sec ions o po en ial densi y and geos ophic anspo wi h high spa ial and empo al esolu ion (5 nm be ween s a ions, and one- wo mon hs be ween c uises). The seasonal a iabili y ob ained o he geos ophic anspo in his channel shows impo an di e ences wi h o he s Cana y Islands channels. F om po en ial densi y and geos ophic eloci y da a we es ima ed he e ical di usion coe icien s and diapycnal di usi e luxes, using a pa ame e iza ion ha depends o Richa dson g adien numbe . In he cen e o he channel and close o La Gome a Island, we ound highe alues o hese di usi e luxes. Con e gence and di e gence o hese luxes equi es u he s udy so ha we can d aw conclusions abou i s impac on he dis ibu ion o nu ien s in he s udy a ea and i s impac in ma ine ecosys ems. This wo k is being used in esea ch p ojec s TRAMIC and PROMECA.