THE INTEGRAL MODEL OF ANOMALOUS WATERS FO RMATION NEAR HYDROTHERMAL SOURCES

Citation
Nn. Korchagin et Vv. Gordeev, THE INTEGRAL MODEL OF ANOMALOUS WATERS FO RMATION NEAR HYDROTHERMAL SOURCES, Okeanologia, 33(5), 1993, pp. 663-669
Citations number
17
Categorie Soggetti
Oceanografhy
Journal title
ISSN journal
00301574
Volume
33
Issue
5
Year of publication
1993
Pages
663 - 669
Database
ISI
SICI code
0030-1574(1993)33:5<663:TIMOAW>2.0.ZU;2-Q
Abstract
The formation of anomalous waters according to their hydrophysical and hydrochemical characteristics (plumes) near hot springs on the ocean bottom is considered as the mixing of three different volumes of water V(i): directly from the hydrothermal spring (i = 1), the bottom water s involved during the jet lifting (i = 2) and the waters from the plum e horizontal spreading depth (i = 3). The calculation integral physica l model of relative volume in the plume of each of the three parts of water alpha(i) is suggested. The model approbation in calculation alph a(i) was carried out based on temperature and salinity measurements wi th Neil Brown's probe STD near by ''the black smoker'' in a rift valle y of Mid-Atlantic Ridge, 26-degrees-N (TAG region). The calculations g ave the following values: alpha1 = 0.004%, alpha2 = 61%, alpha3 = 39%. From a practical point of view the model allows to calculate the valu es of any chemical element or component concentration directly in the hot spring. In particular the concentration calculations of dissolved manganese and dissolved silicon, which were comparable with the direct measurements of the appropriate concentration of the elements in ''bl ack smokers'' orifices.