Automatic Profiling System for Underice Measurements

Ostrovskii, Alexander; Зацепин, А. Г.; Shvoev, D. A.; Волков, С. В.; Kochetov, Oleg Y.; Olshanskiy, V. M.

doi:10.1134/s0001437020060089

Cited by 3 publications

(1 citation statement)

References 10 publications

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“…By November 2018, Argo had obtained 2,000,000 profiles since the program began its implementation in 1999 [5]. MRVP [6], ALACE [7], PROVOR [8], YOYO [9], and Automatic Profiling System made by the Russian Academy of Sciences [10] work the same principle as Argo, all based on Archimedes' law.…”

Section: Introductionmentioning

confidence: 99%

A Novel Profiler Driven by Tidal Energy for Long Term Oceanographic Measurements in Offshore Areas

Zang

Zhang

Fan

2021

JMSE

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In this paper, an innovative profiler driven by tidal energy for long-term oceanographic measurements in offshore areas with abundant tidal resources is investigated. The profiler is mainly composed of an oceanographic data collection system equipped with various sensors and a cross-plate that can make an upward or downward movement under the impact of tidal currents. Theoretical research is carried out through static analysis and numerical simulation, mainly studying the hydrodynamic characteristics of the cross-plate and its dynamic response to the current velocity. The theoretical model is verified by comparison with experiments. The research results show that tidal energy can be used as a kind of energy to drive the profiler’s ascent and descent motion and to continuously measure ocean parameters without using electric energy. The theoretical model established in this study can roughly predict the position of the profiler observation platform in the vertical direction under various current velocities. Furthermore, by studying the relationship between the current velocities and the lift and drag forces of the cross-plate in the fluid, it is recognized that the current velocity is an important factor affecting the stability of the system’s motion. It is hoped that this research will contribute to the development of profilers.

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Section: Introductionmentioning

confidence: 99%

A Novel Profiler Driven by Tidal Energy for Long Term Oceanographic Measurements in Offshore Areas

Zang

Zhang

Fan

2021

JMSE

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A Software Suite for the Automated Tethered Profiler Winchi

Kochetov

Волков

Ostrovskii

2022

2022 International Conference on Ocean Studies (ICOS)

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Bottom water hypoxia suppresses fish chorusing in estuaries

Luczkovich,

Sprague,

Paerl

2024

The Journal of the Acoustical Society of America

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Hypoxia in coastal ecosystems is increasing as a result of water quality declines from nutrient pollution. Hypoxia negatively affects fish populations and marine life, limiting their spawning habitats, population size, and growth. In this study, two approaches were used to understand the effect of hypoxia on the chorusing and reproductive behavior of fishes in estuaries. One approach used a water quality meter integrated with a prototype passive acoustic recorder, developed to monitor dissolved oxygen and fish chorusing simultaneously and continuously at sites with normoxic and hypoxic conditions. In a second approach, passive acoustic recorders were deployed near ambient water quality monitoring stations, monitored by the North Carolina agencies in estuaries where hypoxia occurs periodically. In both approaches, when hypoxia (dissolved oxygen < 4.0 mg/L) occurred, fish chorusing was diminished or ceased. A strong correlation was observed between bottom water dissolved oxygen and the power spectral density in a 100–200 Hz frequency band associated with red drum (Sciaenops ocellatus, Sciaenidae) calling. Passive acoustic monitoring stations and integrated passive acoustic and water quality meters should be used in estuarine hypoxia monitoring efforts to examine the expanding areas of hypoxia and its impact on fish critical spawning habitats.

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Automatic Profiling System for Underice Measurements

Cited by 3 publications

References 10 publications

A Novel Profiler Driven by Tidal Energy for Long Term Oceanographic Measurements in Offshore Areas

A Novel Profiler Driven by Tidal Energy for Long Term Oceanographic Measurements in Offshore Areas

A Software Suite for the Automated Tethered Profiler Winchi

Bottom water hypoxia suppresses fish chorusing in estuaries

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