may develop together with the dynamic vertical shear mixing and other dynamic
mechanisms. The problem of the influence and relative contribution of these factors
to the overall vertical mixing in the EUC region from our data requires further
detailed research.
Acknowledgements The field works were supported by the Program of the Presidium of the
Russian Academy of Sciences (project I3Π). Data analysis was supported by the Russian Science
Foundation (project no. 14-50-00095).
References
1. Bourlès, B., et al. (2008). The PIRATA program: History, accomplishments, and future
directions. Bulletin of the American Meteorological Society, 89, 1111–1125.
2. Bubnov, V. A., Moroshkin, K. V., Egorikhin, V. D., & Matveeva, Z. N. (1976). Variability of
currents in the equatorial Atlantic. Okeanologiya, 16, 408–414.
3. Carlin, L. N., Klyuykov, E. Y., Kutko, V. P. (1988). Small-scale structure of hydrophysical
fields of the upper layer of the ocean (p. 162) Moscow: Gidrometeoizdat. (in Russian).
4. Claret, M., Rodríguez, R., & Pelegrí, J. L. (2012). Salinity intrusion and convective mixing in
the Atlantic equatorial undercurrent. Scientia Marina, 76(S1), 117–129. https://doi.org/10.
3989/scimar.03611.19B.
5. Demidova, T. A. (2017). Distribution of thermohaline parameters of the Lomonosov
undercurrent as an evidence of its static instability. In The modern methods and means of
oceanological research (MSOI-2017) Conference materials, Moscow (pp. 148–149). (in
Russian).
6. Demidova, T. A., Frey, D. I. (2017). On the velocity field of the Lomonosov current as
observed on the ship route. In The modern methods and means of oceanological research
(MSOI-2017) Conference materials, Moscow (pp. 150–151). (in Russian).
7. Fedorov, K. N. (1976). Fine thermohaline structure of ocean water (p. 184). Leningrad:
Gidrometeoizdat. (in Russian).
8. Fedorov, K. N. (1984). Conditions of stratification and convection in the form of salt fingers
in the ocean. Doklady AN SSSR (Earth Science Sections), 275(3), 749–753.
9. Fedorov, K. N., & Pereskokov, A. I. (1986). Typification of thermohaline conditions of
stratification in the World Ocean. Meteorology and Hydrology, 12, 71–77. (in Russian).
10. Gershuni, G. Z., & Zhukhovitsky, E. M. (1963). About a convective instability of
two-component mixture in the gravitational field. Applied Mathematics and Mechanics, 27(2),
301–308. (in Russian).
11. Gershuni, G. Z., & Zhukhovitsky, E. M. (1972). Convective stability of incompressible liquid
(p. 392). Moscow, Nauka. (in Russian).
12. Gregg, M. C. (1976). Temperature and salinity microstructure of the Pacific Equatorial
Undercurrent. Journal of Geophysical Research, 81, 1180–1196.
13. Gregg, M. C., Peters, H., Wesson, J. C., Oakey, N. S., & Shay, T. J. (1985). Intensive
measurements of turbulence and shear in the equatorial undercurrent. Nature, 318, 140–144.
14. Jones, J. H. (1973). Vertical mixing in equatorial undercurrent. Journal of Physical
Oceanography, 3, 286–296.
15. Katz, E. J., Bruce, J. G., & Petrie, B. D. (1979). Salt and mass flux in the Atlantic equatorial
undercurrent. Deep-Sea Research GATE Supplement II to V, 26, 137–160.
16. Knauss, J. A. (1960). Measurements of the Cromwell Current. Deep Sea Research, 6, 265–
286.
17. Knauss, J. A. (1960). Further measurements and observations on the Cromwell Current.
Journal of Marine Research, 24, 204–240.
Thermohaline Structure and Salt Fingering …
445
mechanisms. The problem of the influence and relative contribution of these factors
to the overall vertical mixing in the EUC region from our data requires further
detailed research.
Acknowledgements The field works were supported by the Program of the Presidium of the
Russian Academy of Sciences (project I3Π). Data analysis was supported by the Russian Science
Foundation (project no. 14-50-00095).
References
1. Bourlès, B., et al. (2008). The PIRATA program: History, accomplishments, and future
directions. Bulletin of the American Meteorological Society, 89, 1111–1125.
2. Bubnov, V. A., Moroshkin, K. V., Egorikhin, V. D., & Matveeva, Z. N. (1976). Variability of
currents in the equatorial Atlantic. Okeanologiya, 16, 408–414.
3. Carlin, L. N., Klyuykov, E. Y., Kutko, V. P. (1988). Small-scale structure of hydrophysical
fields of the upper layer of the ocean (p. 162) Moscow: Gidrometeoizdat. (in Russian).
4. Claret, M., Rodríguez, R., & Pelegrí, J. L. (2012). Salinity intrusion and convective mixing in
the Atlantic equatorial undercurrent. Scientia Marina, 76(S1), 117–129. https://doi.org/10.
3989/scimar.03611.19B.
5. Demidova, T. A. (2017). Distribution of thermohaline parameters of the Lomonosov
undercurrent as an evidence of its static instability. In The modern methods and means of
oceanological research (MSOI-2017) Conference materials, Moscow (pp. 148–149). (in
Russian).
6. Demidova, T. A., Frey, D. I. (2017). On the velocity field of the Lomonosov current as
observed on the ship route. In The modern methods and means of oceanological research
(MSOI-2017) Conference materials, Moscow (pp. 150–151). (in Russian).
7. Fedorov, K. N. (1976). Fine thermohaline structure of ocean water (p. 184). Leningrad:
Gidrometeoizdat. (in Russian).
8. Fedorov, K. N. (1984). Conditions of stratification and convection in the form of salt fingers
in the ocean. Doklady AN SSSR (Earth Science Sections), 275(3), 749–753.
9. Fedorov, K. N., & Pereskokov, A. I. (1986). Typification of thermohaline conditions of
stratification in the World Ocean. Meteorology and Hydrology, 12, 71–77. (in Russian).
10. Gershuni, G. Z., & Zhukhovitsky, E. M. (1963). About a convective instability of
two-component mixture in the gravitational field. Applied Mathematics and Mechanics, 27(2),
301–308. (in Russian).
11. Gershuni, G. Z., & Zhukhovitsky, E. M. (1972). Convective stability of incompressible liquid
(p. 392). Moscow, Nauka. (in Russian).
12. Gregg, M. C. (1976). Temperature and salinity microstructure of the Pacific Equatorial
Undercurrent. Journal of Geophysical Research, 81, 1180–1196.
13. Gregg, M. C., Peters, H., Wesson, J. C., Oakey, N. S., & Shay, T. J. (1985). Intensive
measurements of turbulence and shear in the equatorial undercurrent. Nature, 318, 140–144.
14. Jones, J. H. (1973). Vertical mixing in equatorial undercurrent. Journal of Physical
Oceanography, 3, 286–296.
15. Katz, E. J., Bruce, J. G., & Petrie, B. D. (1979). Salt and mass flux in the Atlantic equatorial
undercurrent. Deep-Sea Research GATE Supplement II to V, 26, 137–160.
16. Knauss, J. A. (1960). Measurements of the Cromwell Current. Deep Sea Research, 6, 265–
286.
17. Knauss, J. A. (1960). Further measurements and observations on the Cromwell Current.
Journal of Marine Research, 24, 204–240.
Thermohaline Structure and Salt Fingering …
445