Long-term analysis of wave power potential in the Black Sea, based on 31-year SWAN simulations

This paper aims to examine the temporal variation of wave energy flux in the hotspot areas of the Black Sea. For this purpose, a 31-year long-term wave dataset produced by using a three-layered nested modelling system was used. Temporal variations of wave energy were determined at hourly, monthly, seasonal, and yearly basis at seventeen stations. Based on the results obtained, it can be concluded that the stations have very low fluctuations in mean wave power during the day. Mean wave power in the summer months shows a low difference between the stations, but in the winter months, there is a higher difference in wave power between the stations. This difference is more at the stations in the southwestern part of the Black Sea and much lower in the eastern Black Sea stations around Sinop, being in the middle of the southern coast of the Black Sea. In addition, it is concluded that mean wave energy flux presents a decreasing trend at all stations, but maximum wave power offers an increasing trend at most of the stations.

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Oithona davisae: naturalization in the Black sea, inter-annual and seasonal dynamics, effect on the structure of the planktonic copepod community

Океанология ◽

10.31857/s0030-15745961008-1015 ◽

2019 ◽

Vol 59 (6) ◽

pp. 1008-1015

Author(s):

A. D. Gubanova ◽

O. A. Garbazey ◽

D. A. Altukhov ◽

V. S. Mukhanov ◽

E. V. Popova

Keyword(s):

Black Sea ◽

Coastal Waters ◽

Native Species ◽

Significant Decline ◽

Acartia Tonsa ◽

The Black Sea ◽

Copepod Community ◽

Oithona Davisae ◽

Sevastopol Bay

Long-term (20032014) routine observations of zooplankton in Sevastopol Bay (the Black Sea) have allowed the naturalization of the invasive copepod Oithona davisae to be studied in the Black Sea coastal waters. Inter-annual and seasonal variability of the species and their impact on the native copepod community have been analyzed. The invasion of O. davisae and their undoubted dominance in terms of abundance were shown to alter the community structure but, at the same time, the abundances of the native species did not decrease, excepting the Black Sea earlier invader Acartia tonsa. A significant decline in A. tonsa numbers over the stages of O. davisae establishment and naturalization provided evidence of competition between the species. O. davisae have been demonstrated to gain competitive advantage over A. tonsa, that ensured their fast dispersal in the Black Sea, acclimatization in the new habitat and the successful competition over native species.

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The long-term ichthyoplankton abundance summer trends in the coastal waters of the Black Sea under conditions of hydrometeorological changes

Estuarine Coastal and Shelf Science ◽

10.1016/j.ecss.2021.107450 ◽

2021 ◽

pp. 107450

Author(s):

Basova Marina ◽

Krasheninnikova Svetlana ◽

Fazio Francesco

Keyword(s):

Black Sea ◽

Coastal Waters ◽

The Black Sea

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Analysis of potential changes in the Black Sea wave power for the 21st century

Renewable Energy ◽

10.1016/j.renene.2021.01.042 ◽

2021 ◽

Vol 169 ◽

pp. 512-526

Author(s):

Burak Aydoğan ◽

Tahsin Görmüş ◽

Berna Ayat ◽

Tunay Çarpar

Keyword(s):

Black Sea ◽

21St Century ◽

The Black Sea ◽

Wave Power ◽

Sea Wave

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Long term trends in the sea surface temperature of the Black Sea

Ocean Science ◽

10.5194/os-6-491-2010 ◽

2010 ◽

Vol 6 (2) ◽

pp. 491-501 ◽

Cited By ~ 26

Author(s):

G. I. Shapiro ◽

D. L. Aleynik ◽

L. D. Mee

Keyword(s):

Surface Temperature ◽

Sea Surface Temperature ◽

Black Sea ◽

Sea Surface ◽

The Black Sea ◽

The North ◽

Sst Variability ◽

Long Term Trends ◽

Cooling Trend

Abstract. There is growing understanding that recent deterioration of the Black Sea ecosystem was partly due to changes in the marine physical environment. This study uses high resolution 0.25° climatology to analyze sea surface temperature variability over the 20th century in two contrasting regions of the sea. Results show that the deep Black Sea was cooling during the first three quarters of the century and was warming in the last 15–20 years; on aggregate there was a statistically significant cooling trend. The SST variability over the Western shelf was more volatile and it does not show statistically significant trends. The cooling of the deep Black Sea is at variance with the general trend in the North Atlantic and may be related to the decrease of westerly winds over the Black Sea, and a greater influence of the Siberian anticyclone. The timing of the changeover from cooling to warming coincides with the regime shift in the Black Sea ecosystem.

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Air recirculation and ventilation in the coastal regions of the Black Sea

Open Geosciences ◽

10.2478/s13533-012-0126-7 ◽

2013 ◽

Vol 5 (2) ◽

Cited By ~ 5

Author(s):

Galina Surkova

Keyword(s):

Black Sea ◽

Eastern Coast ◽

The Black Sea ◽

Additional Risk Factor ◽

Additional Risk ◽

Sea Breezes ◽

North Eastern ◽

Favorable Conditions ◽

Parameter Values

AbstractAn initial investigation of recirculation is carried out for the coast of the Black Sea. The local mesoscale circulations (land-sea breezes, mountain and valley winds) in coastal areas are shown to be an additional risk factor in creating favorable conditions for air stagnation and accumulation of air pollutants in the surface atmosphere layer. Two types of annual recirculation patterns are revealed for northern and north-eastern coast of the Black Sea. Long-term changes in recirculation are investigated. It is shown that the recirculation parameter values remained quasistable until the mid-1970s. Since 1976–1977, steady intensification of recirculation in both winter and summer is identified.

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