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Artykuły w czasopismach na temat „Ocean field”

Autor: Grafiati

Data publikacji: 30 listopada 2024

Data aktualizacji: 31 lipca 2025

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1

Irrgang, C., J. Saynisch, and M. Thomas. "Impact of variable seawater conductivity on motional induction simulated with an ocean general circulation model." Ocean Science 12, no. 1 (2016): 129–36. http://dx.doi.org/10.5194/os-12-129-2016.

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Abstract. Carrying high concentrations of dissolved salt, ocean water is a good electrical conductor. As seawater flows through the Earth's ambient geomagnetic field, electric fields are generated, which in turn induce secondary magnetic fields. In current models for ocean-induced magnetic fields, a realistic consideration of seawater conductivity is often neglected and the effect on the variability of the ocean-induced magnetic field unknown. To model magnetic fields that are induced by non-tidal global ocean currents, an electromagnetic induction model is implemented into the Ocean Model for

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2

O'Dor, Ron, and Víctor Ariel Gallardo. "How to Census Marine Life: ocean realm field projects." Scientia Marina 69, S1 (2005): 181–99. http://dx.doi.org/10.3989/scimar.2005.69s1181.

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Bo, Li, Zhong Yi Li, and Yue Jin Zhang. "Ocean Surface Modeling in Vary Wind Field." Key Engineering Materials 480-481 (June 2011): 1452–56. http://dx.doi.org/10.4028/www.scientific.net/kem.480-481.1452.

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In ocean surface modeling a popular method of wave modeling is making use of ocean wave spectrum, which is a physical wave model and based on linear wave theories. The ocean waves produced in this way can reflect the statistical characteristics of the real ocean well. However, few investigations of ocean simulation have been focused on turbulent fluid under vary wind field in this way, while all ocean wave models are built with the same wind parameters. In order to resolve the problem of traditional method, we proposed a new method of dividing the ocean surface into regular grids and generatin

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4

Shang, E. C., and Y. Y. Wang. "Ocean acoustic field simulations for monitoring large-scale ocean structures." Computer Physics Communications 65, no. 1-3 (1991): 238–45. http://dx.doi.org/10.1016/0010-4655(91)90177-m.

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5

Small, J., L. Shackleford, and G. Pavey. "Ocean feature models − their use and effectiveness in ocean acoustic forecasting." Annales Geophysicae 15, no. 1 (1997): 101–12. http://dx.doi.org/10.1007/s00585-997-0101-7.

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Abstract. The aim of this paper is to test the effectiveness of feature models in ocean acoustic forecasting. Feature models are simple mathematical representations of the horizontal and vertical structures of ocean features (such as fronts and eddies), and have been used primarily for assimilating new observations into forecasts and for compressing data. In this paper we describe the results of experiments in which the models have been tested in acoustic terms in eddy and frontal environments in the Iceland Faeroes region. Propagation-loss values were obtained with a 2D parabolic-equation (PE

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6

Timmermans, Mary-Louise, and Steven R. Jayne. "The Arctic Ocean Spices Up." Journal of Physical Oceanography 46, no. 4 (2016): 1277–84. http://dx.doi.org/10.1175/jpo-d-16-0027.1.

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AbstractThe contemporary Arctic Ocean differs markedly from midlatitude, ice-free, and relatively warm oceans in the context of density-compensating temperature and salinity variations. These variations are invaluable tracers in the midlatitudes, revealing essential fundamental physical processes of the oceans, on scales from millimeters to thousands of kilometers. However, in the cold Arctic Ocean, temperature variations have little effect on density, and a measure of density-compensating variations in temperature and salinity (i.e., spiciness) is not appropriate. In general, temperature is s

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7

Sushkevich, Tamara, Sergey Strelkov, and Svetlana Maksakova. "“Future Earth”: Nigmatulin Hypothesis and Dynamic Model of Radiation Field of Ocean-Atmosphere System." EPJ Web of Conferences 248 (2021): 01014. http://dx.doi.org/10.1051/epjconf/202124801014.

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The United Nations has proclaimed a Decade of Ocean Science for Sustainable Development (2021-2030) to support efforts to reverse the cycle of decline in ocean health and gather ocean stakeholders worldwide behind a common framework that will ensure ocean science can fully support countries in creating improved conditions for sustainable development of the Ocean. The marine realm is the largest component of the Earth’s system that stabilizes climate and support life on Earth and human well-being. Scientific understanding of the ocean’s responses to pressures and management action is fundamenta

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8

Haines, Steven. "The Evolving Law of the Sea." Journal of Navigation 38, no. 02 (1985): 244–57. http://dx.doi.org/10.1017/s0373463300031362.

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The ocean environment within which navigators operate is not only physical in character; it is an economic, political and legal environment as well. One of the most significant factors influencing general environmental development in recent years has been the rapid advance and expansion in the field of ocean and ocean-related technology. Much of this technological evolution, while helping to reduce the restrictions imposed by the physical characteristics of the oceans, has created new challenges of an economic, political and legal nature.

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9

Marks, K. M. "Southern Ocean gravity field image available." Eos, Transactions American Geophysical Union 73, no. 12 (1992): 130. http://dx.doi.org/10.1029/91eo00108.

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10

Tolstoy, A., and B. Sotirin. "Ocean tomography via matched‐field processing." Journal of the Acoustical Society of America 97, no. 5 (1995): 3249. http://dx.doi.org/10.1121/1.411711.

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11

Voosen, Paul. "Ocean geoengineering scheme aces field test." Science 378, no. 6626 (2022): 1266–67. http://dx.doi.org/10.1126/science.adg3935.

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12

Van Sumeren, Hans, Liesl Hotaling, Ed Bailey, and Jason Slade. "Ocean Technology Field Academy—Empowering Ocean Stakeholders for a Sustainable Future." Marine Technology Society Journal 55, no. 3 (2021): 100–101. http://dx.doi.org/10.4031/mtsj.55.3.36.

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Abstract Data generated from ocean observing, or ocean-atmosphere coupled observing, permeates every facet of ocean research, ocean sustainability efforts, and the blue economy and offers workforce opportunities for all education levels. The Decade of Ocean Science for Sustainable Development and the Seabed 2030 effort will capitalize on the data availability and place a spotlight on the increased need for a workforce capable of analyzing and applying these data to generate solutions for sustainable ocean uses.Although most jobs will not require advanced degrees in engineering or science, the

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13

Lilley,, F. E. M. (Ted), Antony White, and Graham S. Heinson. "Earth's magnetic field: ocean current contributions to vertical profiles in deep oceans." Geophysical Journal International 147, no. 1 (2001): 163–75. http://dx.doi.org/10.1046/j.1365-246x.2001.00514.x.

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14

Semedo, Alvaro, Kay Sušelj, Anna Rutgersson, and Andreas Sterl. "A Global View on the Wind Sea and Swell Climate and Variability from ERA-40." Journal of Climate 24, no. 5 (2011): 1461–79. http://dx.doi.org/10.1175/2010jcli3718.1.

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Abstract In this paper a detailed global climatology of wind-sea and swell parameters, based on the 45-yr European Centre for Medium-Range Weather Forecasts Re-Analysis (ERA-40) wave reanalysis is presented. The spatial pattern of the swell dominance of the earth’s oceans, in terms of the wave field energy balance and wave field characteristics, is also investigated. Statistical analysis shows that the global ocean is strongly dominated by swell waves. The interannual variability of the wind-sea and swell significant wave heights, and how they are related to the resultant significant wave heig

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15

Wu, Zhiyuan, and Naire Mohamad Alshdaifat. "Simulation of Marine Weather during an Extreme Rainfall Event: A Case Study of a Tropical Cyclone." Hydrology 6, no. 2 (2019): 42. http://dx.doi.org/10.3390/hydrology6020042.

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The ocean is the largest source of water vapor on the planet, while precipitation is the greatest in tropical oceans and coastal areas. As a strong convective weather, typhoons bring not only strong winds but also strong precipitations. The accurate prediction of rainfall and precipitation induced by typhoons is still difficult because of the nonlinear relationship between typhoon precipitation and physical processes such as typhoon dynamics, heat, cloud microphysics, and radiation. In order to fully describe the interaction between sea and air, we simulated rainfall distribution under the inf

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16

Vermeersen, B. "Effects of ice-melt induced gravity changes and solid earth deformation in the Netherlands." Netherlands Journal of Geosciences - Geologie en Mijnbouw 87, no. 3 (2008): 215. http://dx.doi.org/10.1017/s0016774600023295.

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Determining sea-level change caused by continental ice mass variations is a far more complicated matter than one might think. Even if effects like induced changes in ocean currents or thermal expansion of ocean water are neglected, melt water does not redistribute uniformly and homogeneously over the world’s oceans. If land ice melts, the gravity field of the earth changes due to the redistribution of the ice and melt water masses.

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17

Zieliński, Tymon, Tomasz Kijewski, Aleksandra Koroza, Paulina Pakszys, and Izabela Kotynska-Zielinska. "Ocean zmian - innowacyjne działania edukacyjne w zakresie Ocean Literacy." Forum Filologiczne Ateneum, no. 1(10)2022 (December 31, 2022): 335–40. http://dx.doi.org/10.36575/2353-2912/1(10)2022.335.

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18

Sokov, A. V. "TO THE 80th ANNIVERSARY OF BYSHEV – A MEMBER OF THE POLYGON–70 EXPEDITION." Journal of Oceanological Research 48, no. 3 (2020): 236–43. http://dx.doi.org/10.29006/1564-2291.jor-2020.48(3).14.

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The article is dedicated to the 80th anniversary of Dr. Vladimir I. Byshev – mathematician, oceanologist, Head of the Laboratory of large-scale variability of hydrophysical fields of the Shirshov Institute of Oceanology of Russian Academy of Sciences. Vladimir Byshev is a major scientist in the study of the temporal and spatial variability of oceanological and meteorological characteristics in a wide range of scales, features of the interaction of the ocean and atmosphere, large-scale disturbances of the climate system, an active direct participant in two dozen scientific expeditions, includin

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19

Sampson, Charles R., James Cummings, John A. Knaff, Mark DeMaria, and Efren A. Serra. "An Upper Ocean Thermal Field Metrics Dataset." Meteorology 1, no. 3 (2022): 327–40. http://dx.doi.org/10.3390/meteorology1030021.

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The upper ocean provides a source of thermal energy for tropical cyclone development and maintenance through a series of complex interactions. In this work, we develop a seventeen-year dataset of upper ocean thermal field metrics for use in tropical cyclone studies and development of tropical cyclone intensity prediction models. These metrics include the surface temperature, two different measures of vertically integrated heat content, and four different measures of vertically averaged temperature. Some metrics have been used to study upper-ocean energy response to tropical cyclone passage, wh

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20

Zhang, Taoye, Ziqiang Wang, HanWang, Wen Luo, and Dongshuang Li. "Visualization Method for Mesoscale Eddies Characteristics in Ocean Flow Fields Based on Variable Particle Systems." Journal of Asian Geography 3, no. 2 (2024): 27–36. http://dx.doi.org/10.36777/jag2024.3.2.3.

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Visualization of ocean flow fields is a major area of interest in marine science. Existing visualization methods based on randomly generated particles tend to exhibit a uniform distribution. While this approach effectively represents ocean flow fields, it inadequately conveys the characteristic structures within the flow in an intuitive manner. Ocean eddies, as crucial components of ocean dynamics (Patrizio & Thompson, 2021), are key features in visualizing ocean flow fields. Mesoscale eddies, which contain 90% of the ocean's kinetic energy, play a vital role in transporting this energy. T

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21

Isern-Fontanet, Jordi, Joaquim Ballabrera-Poy, Antonio Turiel, and Emilio García-Ladona. "Remote sensing of ocean surface currents: a review of what is being observed and what is being assimilated." Nonlinear Processes in Geophysics 24, no. 4 (2017): 613–43. http://dx.doi.org/10.5194/npg-24-613-2017.

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Abstract. Ocean currents play a key role in Earth's climate – they impact almost any process taking place in the ocean and are of major importance for navigation and human activities at sea. Nevertheless, their observation and forecasting are still difficult. First, no observing system is able to provide direct measurements of global ocean currents on synoptic scales. Consequently, it has been necessary to use sea surface height and sea surface temperature measurements and refer to dynamical frameworks to derive the velocity field. Second, the assimilation of the velocity field into numerical

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22

Xiong, Xiong, Ri Jie Yang, and Kang Le Miao. "Simulation of Ocean Wave-Generated Magnetic Field Disturbance Observed above Sea-Surface Based on Directional Spectrum." Advanced Materials Research 791-793 (September 2013): 1139–44. http://dx.doi.org/10.4028/www.scientific.net/amr.791-793.1139.

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Ocean wave have a magnetic field disturbance, caused by the motional induction of sea water moving in the steady main field of Earth. Mass experiment indicates ocean wave-generated magnetic field disturbance can be a major limitation on the performance of airborne magnetic anomaly detection. To check the character of such disturbance observed above sea-surface, a harmonic ocean wave-generated magnetic field disturbance mathematical model based on Weavers monochromatic wave-generated magnetic field model and ocean wave directional spectrum is proposed. Algorithm is presented for real-time simul

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23

Qiao, Fangli, Yeli Yuan, Jia Deng, Dejun Dai, and Zhenya Song. "Wave–turbulence interaction-induced vertical mixing and its effects in ocean and climate models." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 374, no. 2065 (2016): 20150201. http://dx.doi.org/10.1098/rsta.2015.0201.

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Heated from above, the oceans are stably stratified. Therefore, the performance of general ocean circulation models and climate studies through coupled atmosphere–ocean models depends critically on vertical mixing of energy and momentum in the water column. Many of the traditional general circulation models are based on total kinetic energy (TKE), in which the roles of waves are averaged out. Although theoretical calculations suggest that waves could greatly enhance coexisting turbulence, no field measurements on turbulence have ever validated this mechanism directly. To address this problem,

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24

Zhou, Jianbo, Shengchun Piao, Yiwang Huang, Shizhao Zhang, and Ke Qu. "A spatial correlation model for the horizontal non-isotropic ocean ambient noise vector field." Journal of Low Frequency Noise, Vibration and Active Control 36, no. 2 (2017): 124–37. http://dx.doi.org/10.1177/0263092317711984.

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The ocean ambient noise is one of interference fields of underwater acoustic channel. The design and use of any sonar system are bound to be affected by ocean ambient noise, so to research the spatial correlation characteristics of noise field is of positive significance to improving the performance of sonar system. Only wind-generated noise is considered in most existing ambient noise models. In this case, the noise field is isotropic in horizontal direction. However, due to those influencing factors, like rainfall, ships and windstorm, etc. for a real ocean environment, noise field becomes a

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25

Wang, Ling. "Dake Chen: unraveling the secrets of ocean–climate interaction." National Science Review 4, no. 1 (2017): 136–39. http://dx.doi.org/10.1093/nsr/nww100.

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Abstract The ocean is a complex and mysterious system that attracts scientists around the world to unravel its secrets. Dake Chen, a distinguished physical oceanographer and an academician of the Chinese Academy of Sciences, is one of them. Since the mid-1980s, he has been studying ocean dynamics and ocean–atmosphere interaction, and has made seminal contributions to the understanding and prediction of short-term climate variability, especially the El Niño phenomenon. In a recent interview with NSR, Professor Dake Chen says that China has made significant progress in recent years in ocean rese

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26

Piontkovski, SA, YN Tokarev, EP Bitukov, R. Williams, and DA Kiefer. "The bioluminescent field of the Atlantic Ocean." Marine Ecology Progress Series 156 (1997): 33–41. http://dx.doi.org/10.3354/meps156033.

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Bostock, M. G., and A. M. Trehu. "Wave-Field Decomposition of Ocean Bottom Seismograms." Bulletin of the Seismological Society of America 102, no. 4 (2012): 1681–92. http://dx.doi.org/10.1785/0120110162.

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Baxley, Paul A. "Matched‐field processing in a wedgelike ocean." Journal of the Acoustical Society of America 101, no. 5 (1997): 3047. http://dx.doi.org/10.1121/1.418628.

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29

Li, Zhongyi, and Hao Wang. "Ocean Wave Simulation Based on Wind Field." PLOS ONE 11, no. 1 (2016): e0147123. http://dx.doi.org/10.1371/journal.pone.0147123.

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30

Chen, Kai, Ming Deng, Xianhu Luo, and Zhongliang Wu. "A micro ocean-bottom E-field receiver." GEOPHYSICS 82, no. 5 (2017): E233—E241. http://dx.doi.org/10.1190/geo2016-0242.1.

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Ocean-bottom electromagnetic (EM) receivers are used to record EM signals for marine magnetotelluric and controlled-source EM offshore data acquisition. These marine EM data are used for offshore gas hydrate and petroleum exploration. Although many conventional receivers are used for offshore data acquisition, they have deficiencies, such as a large size, high cost, and low operational efficiency. To address these limitations, we have developed a micro ocean-bottom E-field (micro-OBE) receiver. It reduces costs and deck-space use, while providing improved horizontal resolution and operational

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31

Xu, Yan, Jun Xu, Wei Hua Zhu, Xia Feng, and Hai Yan Xie. "3-D Modeling the Magnetic Field due to Ocean Tidal Flow O1." Advanced Materials Research 658 (January 2013): 471–74. http://dx.doi.org/10.4028/www.scientific.net/amr.658.471.

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The tidal motion of the ocean water through the ambient magnetic field, generates secondary electric and magnetic field. The magnetic fields generated by the diurnal (O1) ocean flow can be clearly detected. We simulate the magnetic signals for tidal constituents –diurnal (O1) tides. The idea of exploiting tidal signals for EM studies of the Earth is not new, but so far it was used only for interpretation of inland and transoceanic magnetic field data due to O1. Emphasis in this work is made on a discussion of sea bottom electric field of the same origin.

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32

Yoon, Seunghyun, Yongsung Park, Peter Gerstoft, and Woojae Seong. "Predicting ocean pressure field with a physics-informed neural network." Journal of the Acoustical Society of America 155, no. 3 (2024): 2037–49. http://dx.doi.org/10.1121/10.0025235.

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Ocean sound pressure field prediction, based on partially measured pressure magnitudes at different range-depths, is presented. Our proposed machine learning strategy employs a trained neural network with range-depth as input and outputs complex acoustic pressure at the location. We utilize a physics-informed neural network (PINN), fitting sampled data while considering the additional information provided by the partial differential equation (PDE) governing the ocean sound pressure field. In vast ocean environments with kilometer-scale ranges, pressure fields exhibit rapidly fluctuating phases

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33

Irrgang, C., J. Saynisch, and M. Thomas. "Impact of variable sea-water conductivity on motional induction simulated with an OGCM." Ocean Science Discussions 12, no. 4 (2015): 1869–91. http://dx.doi.org/10.5194/osd-12-1869-2015.

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Abstract. Carrying high concentrations of dissolved salt, ocean water is a good electrical conductor. As sea-water flows through the Earth's ambient geomagnetic field, electric fields are generated, which in turn induce secondary magnetic fields. In current models for oceanic induced magnetic fields, a realistic consideration of sea-water conductivity is often neglected and the effect on the variability of the oceanic induced magnetic field unknown. To model magnetic fields that are induced by non-tidal global ocean currents, an electromagnetic induction model is implemented into the Ocean Mod

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34

Irrgang, Christopher, Jan Saynisch-Wagner, and Maik Thomas. "Depth of origin of ocean-circulation-induced magnetic signals." Annales Geophysicae 36, no. 1 (2018): 167–80. http://dx.doi.org/10.5194/angeo-36-167-2018.

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Abstract. As the world ocean moves through the ambient geomagnetic core field, electric currents are generated in the entire ocean basin. These oceanic electric currents induce weak magnetic signals that are principally observable outside of the ocean and allow inferences about large-scale oceanic transports of water, heat, and salinity. The ocean-induced magnetic field is an integral quantity and, to first order, it is proportional to depth-integrated and conductivity-weighted ocean currents. However, the specific contribution of oceanic transports at different depths to the motional inductio

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35

TOLSTOY, A. "REVIEW OF MATCHED FIELD PROCESSING FOR ENVIRONMENTAL INVERSE PROBLEMS." International Journal of Modern Physics C 03, no. 04 (1992): 691–708. http://dx.doi.org/10.1142/s0129183192000439.

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Matched Field Processing (MFP) is a signal processing technique that has enjoyed much recent success in the Underwater Acoustics community, mainly as a consequence of the high accuracy currently achievable in predictions of non-isotropic, non-planar ocean acoustic fields. MFP is applied to acoustic fields measured on arrays of hydrophones and has been used primarily to solve the inverse source problem, i.e., to determine the unknown range, depth, and bearing of acoustic sources in a known ocean environment. However, the MFP approach has also been applied to the environmental inverse problem, i

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36

Yao, HongBo, JuYuan Xu, Cong Yang, ZhengYong Ren, and Keke Zhang. "A multisource geomagnetic field model incorporating ocean circulation-induced magnetic field." Earth and Planetary Physics 9, no. 3 (2025): 1–14. https://doi.org/10.26464/epp2025029.

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Beron-Vera, Francisco J., María J. Olascoaga, and Gustavo J. Goni. "Surface Ocean Mixing Inferred from Different Multisatellite Altimetry Measurements." Journal of Physical Oceanography 40, no. 11 (2010): 2466–80. http://dx.doi.org/10.1175/2010jpo4458.1.

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Abstract Two sea surface height (SSH) anomaly fields distributed by Archiving, Validation, and Interpretation of Satellite Oceanographic (AVISO) Altimetry are evaluated in terms of the effects that they produce on mixing. One SSH anomaly field, tagged REF, is constructed using measurements made by two satellite altimeters; the other SSH anomaly field, tagged UPD, is constructed using measurements made by up to four satellite altimeters. Advection is supplied by surface geostrophic currents derived from the total SSH fields resulting from the addition of these SSH anomaly fields to a mean SSH f

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38

Tenzer, Robert, and Peter Vajda. "A global correlation of the step-wise consolidated crust-stripped gravity field quantities with the topography, bathymetry, and the CRUST 2.0 Moho boundary." Contributions to Geophysics and Geodesy 39, no. 2 (2009): 133–47. http://dx.doi.org/10.2478/v10126-009-0006-4.

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A global correlation of the step-wise consolidated crust-stripped gravity field quantities with the topography, bathymetry, and the CRUST 2.0 Moho boundaryWe investigate globally the correlation of the step-wise consolidated cruststripped gravity field quantities with the topography, bathymetry, and the Moho boundary. Global correlations are quantified in terms of Pearson's correlation coefficient. The elevation and bathymetry data from the ETOPO5 are used to estimate the correlation of the gravity field quantities with the topography and bathymetry. The 2×2 arc-deg discrete data of the Moho d

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Qiu, Shi Hui, and Qi Wang. "The Application of Wind and Solar Power Generation System in the Ocean Marginal Oil Field Development." Advanced Materials Research 282-283 (July 2011): 731–34. http://dx.doi.org/10.4028/www.scientific.net/amr.282-283.731.

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Facing the growing energy needs, ocean marginal fields more and more attention. But the supply is one of the constraints of ocean marginal oil field development. Therefore research and development in power supply system of local installation, low cost, easy maintenance and management, resource conservation, environmental-friendly is critical. This paper investigates the application of wind and solar energy development, as against the existing marginal oil field development project, through designing wind and solar power generation system to discuss the development of marginal oil fields in the

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40

Mei, Manjie, Lihong Zhang, Buchao An, and Jianlong Li. "Active control of target scattered sound fields in ocean environments using virtual sensing." Journal of the Acoustical Society of America 157, no. 5 (2025): 3610–23. https://doi.org/10.1121/10.0036729.

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Active control of scattered sound fields is essential for low-frequency acoustic stealth of underwater targets. However, the ocean waveguide environment introduces challenges, such as multipath effects and non-uniform sound speed distribution, that degrade the performance of existing active scattering control methods. This paper proposes an active scattering control method applicable to ocean waveguide environments. The method employs an improved virtual sensing technique suitable for multi-incidence scenarios to obtain free-field far-field predictions, which are then combined with ocean envir

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41

Xie, Le, Wei Wei, Lanlan Cai, et al. "A global viral oceanography database (gVOD)." Earth System Science Data 13, no. 3 (2021): 1251–71. http://dx.doi.org/10.5194/essd-13-1251-2021.

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Abstract. Virioplankton are a key component of the marine biosphere in maintaining diversity of microorganisms and stabilizing ecosystems. They also contribute greatly to nutrient cycles/cycling by releasing organic matter after lysis of hosts. In this study, we constructed the first global viral oceanography database (gVOD) by collecting 10 931 viral abundance (VA) data and 727 viral production (VP) data, along with host and relevant oceanographic parameters when available. Most VA data were obtained in the North Atlantic (32 %) and North Pacific (29 %) oceans, while the southeast Pacific and

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Yu, Yingjie, Xiufeng Zhang, Lucai Wang, et al. "Flow Field Analysis and Development of a Prediction Model Based on Deep Learning." Journal of Marine Science and Engineering 12, no. 11 (2024): 1929. http://dx.doi.org/10.3390/jmse12111929.

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The velocity of ocean currents significantly affects the trajectory prediction of ocean drifters and the safe navigation of intelligent vessels. Currently, most ocean current predictions focus on time-based forecasts at specific fixed points. In this study, deep learning based on the flow field prediction model (CNNs–MHA–BiLSTMs) is proposed, which predicts the changes in ocean currents by learning from historical flow fields. Unlike conventional models that focus on single-point current velocity data, the CNNs–MHA–BiLSTMs model focuses on the ocean surface current information within a specifi

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Cubelio, Sherine Sonia, Shinji Tsuchida, and Seiichi Watanabe. "New species ofMunidopsis(Decapoda: Anomura: Galatheidae) from hydrothermal vent areas of Indian and Pacific Oceans." Journal of the Marine Biological Association of the United Kingdom 88, no. 1 (2007): 111–17. http://dx.doi.org/10.1017/s0025315408000180.

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Two new species ofMunidopsisfrom the hydrothermal vent area, Kairei Field, Central Indian Ridge in the Indian Ocean and Forecast Vent Field, Mariana Back Arc Basin in the west Pacific are described and illustrated. Their affinities to closely related species are discussed. The number ofMunidopsisspecies associated to hydrothermal vents in the world oceans has increased to 16. The habitat of new species is briefly described and the pattern of abundance of vent associatedMunidopsisis briefly discussed.

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Michalopoulou, Zoi-Heleni, and Peter Gerstoft. "Inversion in an uncertain ocean using Gaussian processes." Journal of the Acoustical Society of America 153, no. 3 (2023): 1600–1611. http://dx.doi.org/10.1121/10.0017437.

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Gaussian processes (GPs) can capture correlation of the acoustic field at different depths in the ocean. This feature is exploited in this work for pre-processing acoustic data before these are employed for source localization and environmental inversion using matched field inversion (MFI) in an underwater waveguide. Via the application of GPs, the data are denoised and interpolated, generating densely populated acoustic fields at virtual arrays, which are then used as data in MFI. Replicas are also computed at the virtual receivers at which field predictions are made. The correlations among f

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Janjić, T., J. Schröter, R. Savcenko, et al. "Impact of combining GRACE and GOCE gravity data on ocean circulation estimates." Ocean Science Discussions 8, no. 3 (2011): 1535–73. http://dx.doi.org/10.5194/osd-8-1535-2011.

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Abstract. In this work we examine the impact of assimilation of multi-mission-altimeter data and the GRACE/GOCE gravity fields into the finite element ocean model (FEOM), with the focus on the Southern Ocean circulation. In order to do so, we use the geodetic approach for obtaining the dynamical ocean topography (DOT), that combines the multi-mission-altimeter data and the GRACE/GOCE gravity fields, and requires that both fields be spectrally consistent. The spectral consistency is achieved by filtering of the sea surface height and the geoid using profile approach. Combining the GRACE and GOC

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Price, J. F. "Metrics of hurricane-ocean interaction: vertically-integrated or vertically-averaged ocean temperature?" Ocean Science 5, no. 3 (2009): 351–68. http://dx.doi.org/10.5194/os-5-351-2009.

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Abstract. The ocean thermal field is often represented in hurricane-ocean interaction by a metric termed upper Ocean Heat Content (OHC), the vertical integral of ocean temperature in excess of 26°C. High values of OHC have proven useful for identifying ocean regions that are especially favorable for hurricane intensification. Nevertheless, it is argued here that a more direct and robust metric of the ocean thermal field may be afforded by a vertical average of temperature. In the simplest version, dubbed T100, the averaging is from the surface to 100 m, a typical depth of vertical mixing by a

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ZELENEVA, I. V. "INTERACTION OF THE INDIAN OCEAN RIM ASSOCIATION MEMBERS IN ENSURING MARINE SECURITY." Sociopolitical Sciences 13, no. 6 (2023): 77–83. http://dx.doi.org/10.33693/2223-0092-2023-13-6-77-83.

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The purpose of the research. This article aims to study cooperation within the Indian Ocean Rim Association (IORA) in regards to maritime security. The Indian Ocean region, playing the role of a bridge between Asia and Europe, has become a new global strategic and economic center. In 1997, the Indian Ocean Rim Association (IORA) was formed. Results. As a result of the research, the author comes to the conclusion that the priority activity areas for IORA are: security, including maritime security; fisheries regulation; academic, scientific and technological cooperation; trade and investment fac

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Barclay, David R. "Passive acoustic exploration of the ocean." Journal of the Acoustical Society of America 153, no. 3_supplement (2023): A133. http://dx.doi.org/10.1121/10.0018410.

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Encoded in the spectral density, spatial variability, and directionality (spatial coherence) of the ambient sound field is information on the generation mechanisms of sound and the properties of the ocean propagation environment and its boundaries. Through field and observatory measurements, and analytical and computational models of the underwater sound field, a research program has been pursued that asks, “What can we learn about the ocean by listening?” Large acoustic data sets have been exploited to develop an estimate of the effective source level per unit area of surface generated noise.

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Francis, P. A., A. K. Jithin, J. B. Effy, et al. "High-Resolution Operational Ocean Forecast and Reanalysis System for the Indian Ocean." Bulletin of the American Meteorological Society 101, no. 8 (2020): E1340—E1356. http://dx.doi.org/10.1175/bams-d-19-0083.1.

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Abstract A good understanding of the general circulation features of the oceans, particularly of the coastal waters, and ability to predict the key oceanographic parameters with good accuracy and sufficient lead time are necessary for the safe conduct of maritime activities such as fishing, shipping, and offshore industries. Considering these requirements and buoyed by the advancements in the field of ocean modeling, data assimilation, and ocean observation networks along with the availability of the high-performance computational facility in India, Indian National Centre for Ocean Information

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Dupont, Sam. "I am the Ocean – arts and sciences to move from ocean literacy to passion for the ocean." Journal of the Marine Biological Association of the United Kingdom 97, no. 6 (2017): 1211–13. http://dx.doi.org/10.1017/s0025315417000376.

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Recent events in world politics demonstrate that a part of society has lost faith in their institutions. The importance of facts and evidence in citizens’ decision making is weakened by opinions and belief systems. This post-fact or alternate facts era is a new challenge in the field of science communication as we urgently need to tackle global environmental challenges. Not only do scientists need to better communicate their work, they also need to explore alternative ways of transferring knowledge to help citizens reconnect with nature and actively take responsible decisions to protect it. Th

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