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24TH INTERNATIONAL SYMPOSIUM ON ATMOSPHERIC AND OCEAN OPTICS: ATMOSPHERIC PHYSICS

ISSN:0277-786X
eSSN:1996-756X

2018

10.1117/12.2503294

On the basis of daily means of sea surface temperature, concentration of chlorophyll "a", diffuse attenuation coefficient K-d(490) and remote sensing reflectance R (555) from the array of satellite measurements with high spatial resolution COPERNICUS spatial-temporal features of seasonal and inter-annual variability of these parameters on the Black Sea surface analyzed. Shown, that in 2017, the main maximums of the Chl-a concentration and the coefficients of diffuse attenuation K-d(490) were observed in November-December. The second maximum of Chl-a and K-d(490) in the northern coastal zone of the sea was observed from February to June, in the in the deep sea from February to March, near the sea southern coasts from February to April. The main maximum of remote sensing reflectance R (555) was observed in June-July. Shown, that in 2017 the sea surface temperature was higher than the climatic norm, the largest anomalies were observed mainly on the northwestern shelf and in the zone of the Eastern large-scale cyclonic gyre. Anomalies of Chl-a and K-d(490) during the year were predominantly negative, and the appearance of positive anomalies was observed in April to the west and to the east from the Crimean coasts. The R (555) values for almost the whole year were close to the climatic norm except for June, when they were several times higher than climatic values.

INTRA-ANNUAL VARIABILITY, CHLOROPHYLL A CONCENTRATION, DIFFUSE ATTENUATION COEFFICIENT, REMOTE SENSING REFLECTANCE, SEA SURFACE TEMPERATURE, BLACK SEA

2018-12-12 15:49:00