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- Title
Estimation of Primary Production in the Northern Part of the Sea of Japan in Various Seasons by Ship- and Satellite-Based Observations.
- Authors
Zvalinsky, V. I.; Lobanova, P. V.; Tishchenko, P. Ya.; Lobanov, V. B.; Makhovikov, A. D.
- Abstract
The data of ten cruises carried out in the northwestern part of the Sea of Japan (36°–47° N and 130°–141° E), including the coastal waters of Russia, from February to November in 2000–2015 are analyzed, which allows us to consider the features of primary production in different seasons in detail. The results of ship-based CTD observations, the concentrations of nutrients and chlorophyll-a (Chl), as well as satellite remote sensing ocean color data. At the beginning of the spring period, the maximum Chl and primary production (P) values are observed in the surface layer, and from May after the establishment of summer stratification, the bulk of Chl and high values of P are observed in the subsurface 20–40 m layer. In mid-October, the destruction of the summer stratification occurs and the supply of nutrients to the euphotic layer increases, as a result of which the concentration of Chl also increases. The value of annual P in the layer of photosynthesis according to the ship measurements is approximately twice as high as the satellite estimates of 400 and 224 g C/m2 year, respectively. The reasons for such differences are analyzed.
- Subjects
RUSSIA; OCEAN color; SPRING; TERRITORIAL waters; REMOTE sensing; SEASONS
- Publication
Oceanology (00014370), 2022, Vol 62, Issue 5, p630
- ISSN
0001-4370
- Publication type
Article
- DOI
10.1134/S0001437022050216