Freshwater transport in the coupled ocean-atmosphere system: a passive ocean

Verfasser / Beitragende:
[David Ferreira, John Marshall]
Ort, Verlag, Jahr:
2015
Enthalten in:
Ocean Dynamics, 65/7(2015-07-01), 1029-1036
Format:
Artikel (online)
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024 7 0 |a 10.1007/s10236-015-0846-6  |2 doi 
035 |a (NATIONALLICENCE)springer-10.1007/s10236-015-0846-6 
245 0 0 |a Freshwater transport in the coupled ocean-atmosphere system: a passive ocean  |h [Elektronische Daten]  |c [David Ferreira, John Marshall] 
520 3 |a Conservation of water demands that meridional ocean and atmosphere freshwater transports (FWT) are of equal magnitude but opposite in direction. This suggests that the atmospheric FWT and its associated latent heat (LH) transport could be thought of as a "coupled ocean/atmosphere mode.” But what is the true nature of this coupling? Is the ocean passive or active? Here, we analyze a series of simulations with a coupled ocean-atmosphere-sea ice model employing highly idealized geometries but with markedly different coupled climates and patterns of ocean circulation. Exploiting streamfunctions in specific humidity coordinates for the atmosphere and salt coordinates for the ocean to represent FWT in their respective medium, we find that atmospheric FWT/LH transport is essentially independent of the ocean state. Ocean circulation and salinity distribution adjust to achieve a return freshwater pathway demanded of them by the atmosphere. So, although ocean and atmosphere FWTs are indeed coupled by mass conservation, the ocean is a passive component acting as a reservoir of freshwater. 
540 |a Springer-Verlag Berlin Heidelberg, 2015 
690 7 |a Freshwater transport  |2 nationallicence 
690 7 |a Latent heat transport  |2 nationallicence 
690 7 |a Hydrological cycle  |2 nationallicence 
700 1 |a Ferreira  |D David  |u Department of Meteorology, University of Reading, PO Box 243, RG6 6BB, Reading, UK  |4 aut 
700 1 |a Marshall  |D John  |u Department of Earth Atmosphere and Planetary Sciences, Massachusetts Institute of Technology, 77 Massachusetts Avenue, 02139, Cambridge, MA, USA  |4 aut 
773 0 |t Ocean Dynamics  |d Springer Berlin Heidelberg  |g 65/7(2015-07-01), 1029-1036  |x 1616-7341  |q 65:7<1029  |1 2015  |2 65  |o 10236 
856 4 0 |u https://doi.org/10.1007/s10236-015-0846-6  |q text/html  |z Onlinezugriff via DOI 
898 |a BK010053  |b XK010053  |c XK010000 
900 7 |a Metadata rights reserved  |b Springer special CC-BY-NC licence  |2 nationallicence 
908 |D 1  |a research-article  |2 jats 
949 |B NATIONALLICENCE  |F NATIONALLICENCE  |b NL-springer 
950 |B NATIONALLICENCE  |P 856  |E 40  |u https://doi.org/10.1007/s10236-015-0846-6  |q text/html  |z Onlinezugriff via DOI 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Ferreira  |D David  |u Department of Meteorology, University of Reading, PO Box 243, RG6 6BB, Reading, UK  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Marshall  |D John  |u Department of Earth Atmosphere and Planetary Sciences, Massachusetts Institute of Technology, 77 Massachusetts Avenue, 02139, Cambridge, MA, USA  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Ocean Dynamics  |d Springer Berlin Heidelberg  |g 65/7(2015-07-01), 1029-1036  |x 1616-7341  |q 65:7<1029  |1 2015  |2 65  |o 10236