Abyssal recipes
Abstract--Vertical distributions in the interior Pacific (excluding tbe top and bottom kilometer) are not inzonsistent with a simple model involving aconstant upward vertical velozity w ~ 1-2 cm clu y-t and eddy diffusivity, ¢ ~ 1.3 cm ~- sec-1. Thus temperature and salinity can be fitted by exponen...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.607.7646 2023-05-15T13:32:12+02:00 Abyssal recipes Walter H. Munk The Pennsylvania State University CiteSeerX Archives 1966 application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.607.7646 http://flux.ocean.washington.edu/WQ2009/munk.abyssal.recipes66.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.607.7646 http://flux.ocean.washington.edu/WQ2009/munk.abyssal.recipes66.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://flux.ocean.washington.edu/WQ2009/munk.abyssal.recipes66.pdf text 1966 ftciteseerx 2016-01-08T14:20:44Z Abstract--Vertical distributions in the interior Pacific (excluding tbe top and bottom kilometer) are not inzonsistent with a simple model involving aconstant upward vertical velozity w ~ 1-2 cm clu y-t and eddy diffusivity, ¢ ~ 1.3 cm ~- sec-1. Thus temperature and salinity can be fitted by exponential-like solutions to [,¢- d"-/dz:-- w. d/d:] T, S = 0, with,c/w ~ 1 km the appropriate " ' scale height." For Carbon 14 a decay term must be included, [ ]:~C = ~ 1~C; a fitting of the solution to the ob-served 1~C distribution yields,,/w2 ~ 200 years for the appropriate " ' scale time, " and permits w and, ~ to be separately determined. Using the foregoing values, the upward flux of Radium in deep water is found to be roughly 1.5 x 10-~-~gcm-~-sec-L as compared to 3 x 10-Z~gcm--~sec-I from sedimentary measurements by GOLOaF.RG and KOtDE (1963). Oxygen consumption is computed at 0-004 (ml/I) year-L The vertical distributions of7', S, t4C and O: are consistent with the corresponding south-north gradients in the deep Pacific, provided there is an average northward rift of at least a few millimetres per second. How can one meaningfully interpret the inferred rates of upwelling and diffusion? The annual freezing of 2.1 x 10 to g of Antarctic pack ice is associated with bottom water formation in the ratio 43: 1, yielding an estimated 4 × 10:0 g year-t of Pacific bottom water; the value w = 1"2 cm day-t implies 6 x 10 ~0 g year-L I have attempted, without much success, to interpret x from a variety of viewpoints: from mixing along the ocean boundaries, from thermodynamic and biological processes, and from internal tides. Following the work of Cox and SA,'qr~STROM (1962), it is found that surface tides are scattered by the irregular bottom into internal modes with an associated energy flux of 4 x 10- ~ ergs g- ~ see-: (one sixth the total tidal dissipation). Such internal modes can produce shear instability in the Richardson sense. It is found that internal tides provide a marginal but not impossible me:hanism for turbulent ... Text Antarc* Antarctic Unknown Antarctic Pacific |
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description |
Abstract--Vertical distributions in the interior Pacific (excluding tbe top and bottom kilometer) are not inzonsistent with a simple model involving aconstant upward vertical velozity w ~ 1-2 cm clu y-t and eddy diffusivity, ¢ ~ 1.3 cm ~- sec-1. Thus temperature and salinity can be fitted by exponential-like solutions to [,¢- d"-/dz:-- w. d/d:] T, S = 0, with,c/w ~ 1 km the appropriate " ' scale height." For Carbon 14 a decay term must be included, [ ]:~C = ~ 1~C; a fitting of the solution to the ob-served 1~C distribution yields,,/w2 ~ 200 years for the appropriate " ' scale time, " and permits w and, ~ to be separately determined. Using the foregoing values, the upward flux of Radium in deep water is found to be roughly 1.5 x 10-~-~gcm-~-sec-L as compared to 3 x 10-Z~gcm--~sec-I from sedimentary measurements by GOLOaF.RG and KOtDE (1963). Oxygen consumption is computed at 0-004 (ml/I) year-L The vertical distributions of7', S, t4C and O: are consistent with the corresponding south-north gradients in the deep Pacific, provided there is an average northward rift of at least a few millimetres per second. How can one meaningfully interpret the inferred rates of upwelling and diffusion? The annual freezing of 2.1 x 10 to g of Antarctic pack ice is associated with bottom water formation in the ratio 43: 1, yielding an estimated 4 × 10:0 g year-t of Pacific bottom water; the value w = 1"2 cm day-t implies 6 x 10 ~0 g year-L I have attempted, without much success, to interpret x from a variety of viewpoints: from mixing along the ocean boundaries, from thermodynamic and biological processes, and from internal tides. Following the work of Cox and SA,'qr~STROM (1962), it is found that surface tides are scattered by the irregular bottom into internal modes with an associated energy flux of 4 x 10- ~ ergs g- ~ see-: (one sixth the total tidal dissipation). Such internal modes can produce shear instability in the Richardson sense. It is found that internal tides provide a marginal but not impossible me:hanism for turbulent ... |
author2 |
The Pennsylvania State University CiteSeerX Archives |
format |
Text |
author |
Walter H. Munk |
spellingShingle |
Walter H. Munk Abyssal recipes |
author_facet |
Walter H. Munk |
author_sort |
Walter H. Munk |
title |
Abyssal recipes |
title_short |
Abyssal recipes |
title_full |
Abyssal recipes |
title_fullStr |
Abyssal recipes |
title_full_unstemmed |
Abyssal recipes |
title_sort |
abyssal recipes |
publishDate |
1966 |
url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.607.7646 http://flux.ocean.washington.edu/WQ2009/munk.abyssal.recipes66.pdf |
geographic |
Antarctic Pacific |
geographic_facet |
Antarctic Pacific |
genre |
Antarc* Antarctic |
genre_facet |
Antarc* Antarctic |
op_source |
http://flux.ocean.washington.edu/WQ2009/munk.abyssal.recipes66.pdf |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.607.7646 http://flux.ocean.washington.edu/WQ2009/munk.abyssal.recipes66.pdf |
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Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
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1766024978080202752 |