Thalassa; an essay on the depth, temperature, and currents of the ocean . o\ 1 CO 00 VO M ir^ ?A\ .8^ ol^ 0°o 1 0 LO l-O 0 00 0 v8 q 0 CO ? 0^^ 1 8 to 1 q 8 N .21 0^^ M ro t^ M 04 o •M ,2^ o8f ° ? 1 0 0 00 0 vR 0 q\ 0 N Pi 0^^ C^ 1 00 m VO VO 1-4 fO ? ^-H^ 0 ? 1 00 0 0 00 0 ro 8 ^ 00 • oi^ M 1 M CO VO ro ^^ o\ w-i •M .^-t^ 08^^ XJ~> u-> R 0 00 0 0 t^ to N P^ oO^ M 1 00 M ro VO to ro t^ m .^f 0^5 1 0 l-O 0to 00 00 C\ to 00 •N / oO^ rO 1 M PO t^ tip M 00 • oSS 1 0 0 0 00 vq to •N ,1^ 061 *^ (^ ro VO 04 O •M .Se ,65 On° ? 1 0 0 0 a R 0 0 1 to c^ •N>9S 08I ro 1 M M VO 1


Thalassa; an essay on the depth, temperature, and currents of the ocean . o\ 1 CO 00 VO M ir^ ?A\ .8^ ol^ 0°o 1 0 LO l-O 0 00 0 v8 q 0 CO ? 0^^ 1 8 to 1 q 8 N .21 0^^ M ro t^ M 04 o •M ,2^ o8f ° ? 1 0 0 00 0 vR 0 q\ 0 N Pi 0^^ C^ 1 00 m VO VO 1-4 fO ? ^-H^ 0 ? 1 00 0 0 00 0 ro 8 ^ 00 • oi^ M 1 M CO VO ro ^^ o\ w-i •M .^-t^ 08^^ XJ~> u-> R 0 00 0 0 t^ to N P^ oO^ M 1 00 M ro VO to ro t^ m .^f 0^5 1 0 l-O 0to 00 00 C\ to 00 •N / oO^ rO 1 M PO t^ tip M 00 • oSS 1 0 0 0 00 vq to •N ,1^ 061 *^ (^ ro VO 04 O •M .Se ,65 On° ? 1 0 0 0 a R 0 0 1 to c^ •N>9S 08I ro 1 M M VO 1 On 01 w ? ,Z9 •! 1 0 0 0 vo 00 1 q 0 Ol cs •N p-t^ 081 ^ 1 ** M CO t^ 1 CO d •aaniiOMOi i-^Ei 00 0 to 0 to 0 vd ro B B Z H ° o_ 0 o_ 0 VO (-• o 0 to • ^ QMV aaaiixvT (U U rj C^ (N 0 4->0 Depth CO -10 MHanxosi o h- z < J 1- - o CO Z z o 111CO s z LU !;; < UJ H u. < u. a: __ u rr Q. S UJ U z h UJ < 1- LU CO Q. Ul UJ o 00°<j^ »kS 03 OQ CM 3Ni^ivwgns. I 1 1—I—I—I—I r oooooooooooooooo — OICOtiOtOf-00 o o o o o oo o o o o o O) O — Ol CO if From Teneriffe to Sombrero. 6i the Antilles (Plate 2). It affords an instructive example of thecontrast which has been observed between the two portions ofthe North Atlantic divided from each other by the central plateau,as regards distribution of temperature. In the eastern basin thetemperatures are lower at the surface, higher in the deeper stratathan in the western basin ; while in the latter they are higher at thesurface, and lower in the deeper strata when compared with theformer. The isotherm of io° C, which throughout the sectionremains at about the same level, marks the turning-point of thechange. Station 13, placed upon the central plateau, may be con-sidered as dividing the two areas of circulation, which, however, asmight be expected, encroach upon each other. In the westernbasin, the warm surface-stratum due to the North AtlanticBqtiatorial Cttrrent, and extending down


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Keywords: ., bookcentury1800, bookdecade1870, bookidthalassa, booksubjectocean