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December 2002 - present
Publications
Publications (31)
Circulation model of Lake Issyk‐Kul is compiled based on Princeton Ocean Model with real bathymetry and atmospheric and river runoff forcings. According to the model, the cyclonic circulation develops in the lake from May to January, when a seasonal thermocline is present, while in February through April it vanishes or changes for a weak anticyclon...
A half-year long time series of the bottom layer velocity measured in situ in the Hoburg Channel displayed seven-day oscillations of the saltwater flow. The flow was characterized by alterations of surges with the increase of northward velocity to approximately 0.2–0.3 m/s and blockages when the northward velocity vanishes or becomes small negative...
The available bathymetry data of the Issyk-Kul Lake from different sources are analyzed and corrected for mutual consistency and deviation from the GPS coordinates on the shoreline. As a result, a gridded bathymetry of the Lake with 360×360 m bin size suitable for use in numerical circulation models is compiled and made available on the Internet fo...
Closely spaced CTDO profiling on the pathway of saltwater flow in the southeastern Baltic Sea in August and December 2019 revealed low oxygen intermediate layers-plumes with dissolved oxygen concentration (DOC) less than 2 mg/l under the upper boundary of permanent halocline. At the same time, DOC in the underlying layers was higher and reached 5.0...
Achievements in development of the technique of operational measurements of the water structure in the bottom layer, based on vertical profiling of the water column using standard multiparameter probes operated with an armored cable in a free fall mode from surface to bottom are presented. Instead of cable winches, simpler devices operating on the...
The leakage of any substances at the sea bottom consequently leads to contamination. The polluted area will strongly depend on the type of pollution which can be dissolved, material and the physical state of the bottom layers. Although the systems that monitor the particles or pollution on the sea surface already exists, there is no similar tool fo...
The article describes the advanced design of Tilt Current Meter (TCM), developed in the Shirshov Institute of Oceanology. This type of meters is used in recent years mainly in Western countries due to low cost, ease of manufacture and the possibility of replication. In most designs the device is a physical pendulum in the form of a long floating cy...
A solution to the problem of determination of spatial variability of oceanographic fields, which contained a fine structure resolution higher than what was possible previously using towed scanning probes, was presented for the Baltic Sea. Another concurrently solved problem consisted in obtaining data on the structure of waters in the bottom layer,...
Sea ice conditions in the Baltic Sea during six latest winters – 2010/2011 to 2015/2016 are analysed using coupled ice–ocean numerical model 3D CEMBS (3D Coupled Ecosystem Model of the Baltic Sea). Simulation results are compared with observations from monitoring stations, ice charts and satellite data. High correlation between model results and ob...
Using a regional circulation model of the Baltic Sea with the horizontal resolution of 0.5 nautical miles and with an open western boundary, time series of bottom friction velocity and bottom salinity were simulated for the period of April 2010–July 2016 and analysed at specific points of interest along the inflow water pathway. The model reproduce...
This chapter summarizes the methods used within the MODUM project for monitoring chemical munition dumpsites. It includes general introduction to monitoring process, listing the requirements that are a basis for the establishment of full scale monitoring programme. It describes survey procedures, for locating dumped munitions, Sampling and analytic...
During the MODUM project two independent methods for estimation of potential leakage of dumped chemical munitions in the Baltic Sea have been developed. The first one is Lagrangian tracking of particles with random disturbance. The second one is using a passive tracer as a marker of potential leakage. The approaches have been developed in open sour...
Numerical modeling using the Princeton Ocean Model (POM) was performed for the southeastern part of the Baltic with the objective to compare the spatial distribution of the velocity and bottom sediments data in this region. Special attention was focused on the consideration of the influence of the western and northeastern winds, which lead to the f...
The results of field work carried out concurrently with satellite imaging in the summer periods of 2015-2016 in the South-East Baltic near the Sambian Peninsula are presented. Analysis and numerical simulation of the trajectories of two drifters released into the sea are performed. It is shown that the character of the drift of Lagrangian buoys can...
The influence of wind and hydrodynamic processes on the spreading of turbid waters from the Vistula Lagoon into the Baltic Sea was studied. Our research is based on joint analyses of remote sensing data and those from concurrent in situ measurements of the three-dimensional structure of the outflow. A strong difference in the water optical properti...
Numerical simulation based on the Princeton Ocean Model (POM) was performed for a region of the Southeast Baltic in order to compare data on the spatial distribution of velocity and bottom sediments. Special attention was focused on the influence of western and northeastern winds, which generate intense quasi-geostrophic currents can may cause very...
The influence of wind and hydrodynamic processes on spreading
of turbid waters from the Vistula Lagoon into the Baltic Sea was
studied. The research was based on joint analysis of remote sensing
data, simultaneous subsatellite measurements and numerical
modeling. The sharp difference in water optical properties of the
Baltic Sea and the Vistula Lag...
Hydrodynamic numerical modeling of the wide area of the Baltic Sea for the period from 1 January to 31 May 2012 under real atmospheric forcing is implemented based on POM (Princeton Ocean Model) (Blumberg, Mellor, 1987). Validation of numerical calculation of near surface temperature in the South-East Baltic is performed using Terra and Aqua satell...
The peculiarities of the space-time structures of the currents in the sea appearing after wind forcings that cause upwelling and downwelling are investigated. Numerical modeling using the Princeton Ocean Model (POM) and data analysis were performed for the local area of the Southeastern Baltic adjacent to the Kaliningrad Region (Russia). The geostr...
Due to the recent developments of various methods of data representation
in meteorology, the image of the globe-scale atmospheric circulation
system has appeared. Basically, the circulation assessment is based on
the indirect teleconnection method and rotated principal component
analysis of the sea level pressure or geopotential height fields. Thes...
The specific features of the upwelling in the southeastern Baltic have been studied by comparing the field observations and
numerical simulations. The upwelling registered in October 2005 (when a gale caused by a northeastern wind with a velocity
of 15 m/s continued for about three days after a period of relatively calm weather during which the the...
Sequences of high resolution transects of temperature, salinity, and oxygen concentration measured from the Arkona Basin through the Bornholm Deep and the Slupsk Furrow to the Gulf of Gdansk in the summer of 2006 are discussed. The measurements were made using U-tow CTD probe with an oxygen sensor. The measurements revealed peculiar features in the...
The Baltic Sea Science Congress was held at Rostock University, Germany, from 19 to 22 March 2007. In the session entitled"Upwelling events, coastal offshore exchange, links to biogeochemical processes" 20 presentations were given,including 7 talks and 13 posters related to the theme of the session.This paper summarises new findings of the upwellin...
The Baltic Sea Science Congress was held at Rostock University, Germany, from 19 to 22 March 2007. In the session entitled "Upwelling events, coastal offshore exchange, links to biogeochemical processes" 20 presentations were given, including 7 talks and 13 posters related to the theme of the session. This paper summarises new findings of the upwel...