Development of means and methods of drifter technology applied to the problem of the Black Sea research

Tolstosheev, A. P.; Lunev, E. G.; Motyzhev, V. S.

doi:10.1134/s0001437008010165

Cited by 13 publications

(5 citation statements)

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“…A map of drifter paths is depicted in Fig. 1 (some types of motion of the drifters are discussed in detail in [1]). The main characteristics of different modifications of the drifters are presented in Table 2.…”

Section: Sea Global Ocean Observing System (Bs Goos) and The Eucos Sumentioning

confidence: 99%

“…The SVP-BTC thermoprofiling drifting buoy is an absolutely new tool for the investigation of thermal processes in the upper layer of the sea [1,4]. Its modifications (SVP-BTC60 and SVP-BTC80) are intended for the accumulation of systematic operative information on the thermal processes in the seasonal thermocline and cold intermediate layer.…”

Section: Sea Global Ocean Observing System (Bs Goos) and The Eucos Sumentioning

confidence: 99%

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Creation of the database of monitoring of the Black Sea by using drifters

et al. 2009

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551.465We consider some specific features of creation of the database according to the results of drifter experiments carried out in the Black Sea in 2001-2006. The general statistical information on all buoy studies in the sea is presented. The criteria used to filter the primary data are suggested. The principles of formation and structuring of the drifter database are presented. As an example, we describe the procedure and the results of comparison of model estimates with the data of contact measurements of the sea-surface temperature by drifting buoys.

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Section: Sea Global Ocean Observing System (Bs Goos) and The Eucos Sumentioning

confidence: 99%

Section: Sea Global Ocean Observing System (Bs Goos) and The Eucos Sumentioning

confidence: 99%

Creation of the database of monitoring of the Black Sea by using drifters

et al. 2009

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“…They were based on the application of LOBAN (light one-time buoy with automatic navigation) floats equipped with special devices for transferring the data of measurements and determining the location of buoys via the COSPAS-SARSAT Doppler satellite system (Space System for Searching Vessels in Distress-Searchand-Rescue Satellite-Aiding Tracking) [2,3]. Since 1999, the program of long-term drifter monitoring is realized in the Black-Sea region by using the so-called WOCE drifter technology [4] based on the application of drifters with spherical floats and vertically oriented cylindrical drogues [5,6]. The data transfer is realized via the Argos satellite-based location-and-data collection system [7].…”

Section: Specific Features Of Drifter Measurements In the Coastal Zonementioning

confidence: 99%

Information-and-measuring drifter system for the monitoring of currents in the coastal zone of the sea

et al. 2011

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The autonomous drifting buoys equipped with satellite link turn into one of the most important components of the global system of operative observations of the ocean and the surface layer of the atmosphere. However, on the regional level, the problem of analysis of the surface circulation of waters in the coastal zone and sea straits remains quite urgent because the available drifters cannot be used in this case due to their sizes and long intervals between measurements. We present the results of development and testing of a new drifter system aimed at measuring currents. The system is based on the use of buoys operating at depths less than 1 m. To improve the space-and-time resolution of measurements, the buoys are equipped with receivers of the global positioning system (GPS) and GSM modems for the data transfer via cellular communication networks. The drifter system guarantees the possibility of determination of the coordinates of buoys with a resolution of 3 min in time and 14 m in space. We describe the specific features of the design of the proposed information-and-measuring drifter system and present the first results of application of new buoys called "minidrifters" for the pilot monitoring of currents in the Kerch Strait.

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“…Despite the undoubted efficiency of application of the autonomous Lagrangian drifting buoys for the investigation of the surface currents in the Black Sea [1][2][3], the problem of increasing the accuracy of reconstruction of the trajectories of drifters according to the data of the Argos satellite location and data-collection system obtained by using the Doppler method ("Doppler" data) remains quite urgent. The analysis of the data of more than 70 buoys launched in the Black Sea in 1999-2007 shows that, in addition to the error of the method, the reliability of the results of reconstruction of their trajectories is strongly affected by the nonuniformity of time intervals between the locations.…”

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A method of estimation of the results of reconstruction of the trajectories of drifting buoys

Tolstosheev

2009

Phys Oceanogr

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A method for the estimation of the results of reconstruction of the trajectories of drifting buoys is proposed. It is based on the comparison of the estimates of power spectral densities for the components of current velocity computed according to three data sets: the data set of the coordinates of a drifting buoy with a built-in GPS receiver, the data set of coordinates formed on the basis of the first set but with data missing and observational errors corresponding to the actual trajectory measurements by the Argos satellite location and data collection system by the Doppler method, and the data set of coordinates obtained as a result of interpolation of the second set. As an example, we consider the procedure of realization of the proposed method and demonstrate the efficiency of its application for the improvement of the reliability of reconstruction of the trajectories of drifting buoys.Marine Hydrophysical Institute, Ukrainian Academy of Sciences, Sevastopol, Ukraine.

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Development of means and methods of drifter technology applied to the problem of the Black Sea research

Cited by 13 publications

References 0 publications

Creation of the database of monitoring of the Black Sea by using drifters

Creation of the database of monitoring of the Black Sea by using drifters

Information-and-measuring drifter system for the monitoring of currents in the coastal zone of the sea

A method of estimation of the results of reconstruction of the trajectories of drifting buoys

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