Heat and fresh water budgets of the Indian Ocean—revisited
1
OLR(1986) 33 (3) A. Physical Oceanography 201 effects of the Gulf Stream. Dept. of Ocean Engrg., WHOI, Woods Hole, MA 02543, USA. (msg) 86:1388 Matthaus, Wolfgang, 1985. Analysis of long-term trends in the Baltic proper during the seventies. Beitr. Meeresk~ 52:49-56. During the present century the temperature, salinity and density of the Baltic proper deep water in- creased, whereas the oxygen concentration de- creased. The trend noted for temperature, salinity and density changed during the period 1952 to 1969, but the negative oxygen trend became stronger. No signs of a change in the general trend of the oxygen concentration were detected until the last 10 years. Using data for the Gotland Deep, this contribution investigates the mean variations during the seventies. Akad. der Wissenschaften, Inst. fur Meereskunde, DDR-2530 Rostock-Warnemunde, Seestr 15, DRG. 86:1389 Park, Y.H., 1985. Some important summer ocean- ographic phenomena in the East China Sea. J. oceanol. Soc. Korea, 20(1):12-21. Above the seasonal thermocline the surface layer is affected by solar radiation, freshwater runoff and the wind field; below the thermocline different water masses are intruded in response to various processes. The intruded Yellow Sea Bottom Cold Water and the Western North Pacific Central Water mix together in the bottom layer on the shelf south of Cheju Island. Dept. of Oceanogr., Cheju Natl. Univ., Cheju 590, Korea. (msg) 86:1390 Picaut, Joel, 1984. On the dynamics of thermal variations in the Guff of Guinea. Time scales from semi-diurnal to interannual. Ocdanographie trop., ORSTOM, 19(2): 127-153. Based mainly on a decade of research by the author and colleagues, this review discusses medium- frequency variations (focusing primarily on shelf waves forced by the tides and the atmosphere) and seasonal and interannual fluctuations (concentrating on a mechanism involving the zonal west wind). For the latter time scales, the remote forcing mechanism proposed by Moore et al. (1978) was supported by observations of correlations between SST and western surface winds, and poleward and vertical propagation of coastal upwelling in the gulf. Lab. d'Oceanogr. Phys., Univ. de Bretagne Occidentale, 29200 Brest, France. (msg) 86:1391 Weatherly, G.L. and E.A. Kelley Jr., 1985. Storms and flow reversals at the HEBBLE site [Nova Seotian continental rise]. Mar. Geol., 66(1- 4):205-218. The westward-flowing abyssal western boundary current passing over the site is designated the Cold Filament Current (CFC); it is appreciably stronger than suggested by Weatherly and Kelley (1984). The majority of abyssal storms at the HEBBLE site are concluded due to the presence of the CFC passing by, and the absence of a meander or ring overhead (these apparently result in the CFC being displaced out of the HEBBLE site). Dept. of Oceanogr., Florida State Univ., Tallahassee, FL 32306, USA. A50. General hydrography (distribution of common oceanic properties) 86:1392 Toole, J.M. and M.E. Raymer, 1985. Heat and fresh water budgets of the Indian Ocean----revisited. Deep-Sea Res., 32(8):917-928. The method used is that employed by Hall and Bryden (1982) in the North Atlantic. Assuming no net volume transport across 32°S, a value of 0.6 x 10~sw is obtained for the net heat gain by the ocean north of 32°S and -0.2 x 106 m 3 s--~ for the net precipitation minus evaporation plus rnn-off. The major sources of error are poor spatial resolution in the section along 32°S and the unknown strength of the flow from the Pacific to the Indian Ocean through Indonesia. Results suggest that the oceans contribute little to the net heat flux across 30°S effected by the ocean-atmosphere system. WHOI, Woods Hole, MA 02543, USA. A80. Circulation 86:1393 Donguy, J.-R., G6rard Eldin, Alain Morli6re and J.-P. R6bert, 1984. Variability of dynamic topog- raphy and equatorial currents in relation to hydrodimatic conditions of the western Pacific. Oc~anographie trop~ ORSTOM, 19(2): 155-160. Geostrophic calculations show interannual varia- bility of the equatorial current system from 10°N to 20°S connected to the appearance of El Nh3o events. Dynamic heights, large before E1 Nifio, become small; the stronger Nifios show a larger decrease. North of 3°N, the dynamic slope is much stronger post-El Ni~o than pre-El Niho; this corresponds to a larger eastward transport of the North Equatorial Counter Current. Centre ORSTOM, BP A5, Nou- mea Cedex, New Caledonia.
Transcript of Heat and fresh water budgets of the Indian Ocean—revisited
OLR (1986) 33 (3) A. Physical Oceanography 201
effects of the Gulf Stream. Dept. of Ocean Engrg., WHOI, Woods Hole, MA 02543, USA. (msg)
86:1388 Matthaus, Wolfgang, 1985. Analysis of long-term
trends in the Baltic proper during the seventies. Beitr. Meeresk~ 52:49-56.
During the present century the temperature, salinity and density of the Baltic proper deep water in- creased, whereas the oxygen concentration de- creased. The trend noted for temperature, salinity and density changed during the period 1952 to 1969, but the negative oxygen trend became stronger. No signs of a change in the general trend of the oxygen concentration were detected until the last 10 years. Using data for the Gotland Deep, this contribution investigates the mean variations during the seventies. Akad. der Wissenschaften, Inst. fur Meereskunde, DDR-2530 Rostock-Warnemunde, Seestr 15, DRG.
86:1389 Park, Y.H., 1985. Some important summer ocean-
ographic phenomena in the East China Sea. J. oceanol. Soc. Korea, 20(1):12-21.
Above the seasonal thermocline the surface layer is affected by solar radiation, freshwater runoff and the wind field; below the thermocline different water masses are intruded in response to various processes. The intruded Yellow Sea Bottom Cold Water and the Western North Pacific Central Water mix together in the bottom layer on the shelf south of Cheju Island. Dept. of Oceanogr., Cheju Natl. Univ., Cheju 590, Korea. (msg)
86:1390 Picaut, Joel, 1984. On the dynamics of thermal
variations in the Guff of Guinea. Time scales from semi-diurnal to interannual. Ocdanographie trop., ORSTOM, 19(2): 127-153.
Based mainly on a decade of research by the author and colleagues, this review discusses medium- frequency variations (focusing primarily on shelf waves forced by the tides and the atmosphere) and seasonal and interannual fluctuations (concentrating on a mechanism involving the zonal west wind). For the latter time scales, the remote forcing mechanism proposed by Moore et al. (1978) was supported by observations of correlations between SST and western surface winds, and poleward and vertical propagation of coastal upwelling in the gulf. Lab. d'Oceanogr. Phys., Univ. de Bretagne Occidentale, 29200 Brest, France. (msg)
86:1391 Weatherly, G.L. and E.A. Kelley Jr., 1985. Storms
and flow reversals at the HEBBLE site [Nova
Seotian continental rise]. Mar. Geol., 66(1- 4):205-218.
The westward-flowing abyssal western boundary current passing over the site is designated the Cold Filament Current (CFC); it is appreciably stronger than suggested by Weatherly and Kelley (1984). The majority of abyssal storms at the HEBBLE site are concluded due to the presence of the CFC passing by, and the absence of a meander or ring overhead (these apparently result in the CFC being displaced out of the HEBBLE site). Dept. of Oceanogr., Florida State Univ., Tallahassee, FL 32306, USA.
A50. General hydrography (distribution of common oceanic properties)
86:1392 Toole, J.M. and M.E. Raymer, 1985. Heat and fresh
water budgets of the Indian Ocean----revisited. Deep-Sea Res., 32(8):917-928.
The method used is that employed by Hall and Bryden (1982) in the North Atlantic. Assuming no net volume transport across 32°S, a value of 0.6 x 10~sw is obtained for the net heat gain by the ocean north of 32°S and -0.2 x 106 m 3 s --~ for the net precipitation minus evaporation plus rnn-off. The major sources of error are poor spatial resolution in the section along 32°S and the unknown strength of the flow from the Pacific to the Indian Ocean through Indonesia. Results suggest that the oceans contribute little to the net heat flux across 30°S effected by the ocean-atmosphere system. WHOI, Woods Hole, MA 02543, USA.
A80. Circulation
86:1393 Donguy, J.-R., G6rard Eldin, Alain Morli6re and
J.-P. R6bert, 1984. Variability of dynamic topog- raphy and equatorial currents in relation to hydrodimatic conditions of the western Pacific. Oc~anographie trop~ ORSTOM, 19(2): 155-160.
Geostrophic calculations show interannual varia- bility of the equatorial current system from 10°N to 20°S connected to the appearance of El Nh3o events. Dynamic heights, large before E1 Nifio, become small; the stronger Nifios show a larger decrease. North of 3°N, the dynamic slope is much stronger post-El Ni~o than pre-El Niho; this corresponds to a larger eastward transport of the North Equatorial Counter Current. Centre ORSTOM, BP A5, Nou- mea Cedex, New Caledonia.
