статья в журнале

En

Physical Oceanography

ISSN:0928-5105
eSSN:1573-160X

2020

10.22449/1573-160X-2020-1-28-36

Purpose. Climatic conditions for the winter and spring river floods in Crimea are assessed by the example of the Chernaya River. The scientific literature data permitted to analyze salinity dynamics in the Sevastopol Bay during an intensive flood, which is extremely rare in contrast to the high water cases occurring rather frequently. Methods and Results. Based on the available information and using the analyzed in situ data on the Sevastopol Bay apex and the Chernaya River obtained by the Marine Hydrophysical Institute in 2007-2017, considered are the meteorological conditions for a winter-spring high water. The impact of high water upon the hydrological regime and the ecological state of the Sevastopol Bay apex and the Chernaya River mouth is analyzed. Contribution of a winter-spring high water to pollution of the Sevastopol Bay apex with nutrients is assessed. The ecological state of the bay apex during the peculiar winter-spring high water in February, 2015 is compared to that during the low water in September, 2015. Conclusions. The increased content of inorganic nitrogen during a winter-spring flood should be taken into account while calculating the assimilation capacity of the ecosystem under study and assessing the trophic index. The joint analysis of the expeditionary in situ data and the available information from the scientific literary made it possible to conclude that in course of the last decade, salinity in the Chernaya River mouth gradually increased. This can testify the fact that frequency and intensity of the winter-spring floods tend to go down.

APEX OF THE SEVASTOPOL BAY, CHERNAYA RIVER, WINTER-SPRING FLOOD, NUTRIENTS, TROPHIC LEVEL

2020-06-02 20:56:11