Relevant bibliographies by topics / Surface geostrophic currents

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  1. Journal articles
  2. Dissertations / Theses
  3. Conference papers

Academic literature on the topic 'Surface geostrophic currents'

Author: Grafiati
Published: 6 September 2023

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Journal articles on the topic "Surface geostrophic currents"

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Armitage, Thomas W. K., Sheldon Bacon, Andy L. Ridout, Alek A. Petty, Steven Wolbach, and Michel Tsamados. "Arctic Ocean surface geostrophic circulation 2003–2014." Cryosphere 11, no. 4 (2017): 1767–80. http://dx.doi.org/10.5194/tc-11-1767-2017.

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Abstract. Monitoring the surface circulation of the ice-covered Arctic Ocean is generally limited in space, time or both. We present a new 12-year record of geostrophic currents at monthly resolution in the ice-covered and ice-free Arctic Ocean derived from satellite radar altimetry and characterise their seasonal to decadal variability from 2003 to 2014, a period of rapid environmental change in the Arctic. Geostrophic currents around the Arctic basin increased in the late 2000s, with the largest increases observed in summer. Currents in the southeastern Beaufort Gyre accelerated in late 2007
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Rio, M. H., R. Santoleri, R. Bourdalle-Badie, A. Griffa, L. Piterbarg, and G. Taburet. "Improving the Altimeter-Derived Surface Currents Using High-Resolution Sea Surface Temperature Data: A Feasability Study Based on Model Outputs." Journal of Atmospheric and Oceanic Technology 33, no. 12 (2016): 2769–84. http://dx.doi.org/10.1175/jtech-d-16-0017.1.

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AbstractAccurate knowledge of ocean surface currents at high spatial and temporal resolutions is crucial for a gamut of applications. The altimeter observing system, by providing repeated global measurements of the sea surface height, has been by far the most exploited system to estimate ocean surface currents over the past 20 years. However, it neither permits the observation of currents moving away from the geostrophic balance nor is it capable of resolving the shortest spatial and temporal scales of the currents. Therefore, to overcome these limitations, in this study the ways in which the
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Berta, Maristella, Lucio Bellomo, Annalisa Griffa, et al. "Wind-induced variability in the Northern Current (northwestern Mediterranean Sea) as depicted by a multi-platform observing system." Ocean Science 14, no. 4 (2018): 689–710. http://dx.doi.org/10.5194/os-14-689-2018.

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Abstract. The variability and evolution of the Northern Current (NC) in the area off Toulon is studied for 2 weeks in December 2011 using data from a glider, a high-frequency (HF) radar network, vessel surveys, a weather station, and an atmospheric model. The NC variability is dominated by a synoptic response to wind events, even though the dataset also evidences early stages of transition from late summer to fall–winter conditions. With weak winds, the current is mostly zonal and in geostrophic balance even at the surface, with a zonal transport associated with the NC of ≈1 Sv. Strong westerl
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Centurioni, L. R., J. C. Ohlmann, and P. P. Niiler. "Permanent Meanders in the California Current System." Journal of Physical Oceanography 38, no. 8 (2008): 1690–710. http://dx.doi.org/10.1175/2008jpo3746.1.

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Abstract Surface Velocity Program (SVP) drifter data from 1987 through 2005; Archiving, Validation, and Interpretation of Satellite Oceanographic data (AVISO) sea level anomalies; and NCEP reanalysis winds are used to assemble a time-averaged map of the 15-m-deep geostrophic velocity field in the California Current System seaward of about 50 km from the coast. The wind data are used to compute the Ekman currents, which are then subtracted from the drifter velocity measurements. The resulting proxy for geostrophic velocity anomalies computed from drifters and from satellite sea level measuremen
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Chaudhary, A., N. Agarwal, and R. Sharma. "Estimation of currents using SARAL/AltiKa in the coastal regions of India." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XL-8 (December 23, 2014): 1365–67. http://dx.doi.org/10.5194/isprsarchives-xl-8-1365-2014.

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The present study explores the possibility of deriving the across track currents along the Indian coastal region from SARAL/AltiKa mission. The across track surface geostrophic currents obtained from along track SARAL altimeter data are directly compared (qualitatively) with high frequency (HF) radar observations of surface currents in the Bay of Bengal. The velocity component from HF radar which is perpendicular to the altimeter tracks is considered. Since the ageostrophic velocity contribution is ignored for the moment, the surface geostrophic currents SARAL compare well only under low wind
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Ollitrault, Michel, and Alain Colin de Verdière. "The Ocean General Circulation near 1000-m Depth." Journal of Physical Oceanography 44, no. 1 (2014): 384–409. http://dx.doi.org/10.1175/jpo-d-13-030.1.

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Abstract The mean ocean circulation near 1000-m depth is estimated with 100-km resolution from the Argo float displacements collected before 1 January 2010. After a thorough validation, the 400 000 or so displacements found in the 950–1150 dbar layer and with parking times between 4 and 17 days allow the currents to be mapped at intermediate depths with unprecedented details. The Antarctic Circumpolar Current (ACC) is the most prominent feature, but western boundary currents (and their recirculations) and alternating zonal jets in the tropical Atlantic and Pacific are also well defined. Eddy k
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Cadden, Dara D. H., Richard Styles, and Bulusu Subrahmanyam. "Estimates of Geostrophic Surface Currents in the South Atlantic Bight." Marine Geodesy 32, no. 3 (2009): 334–41. http://dx.doi.org/10.1080/01490410903094908.

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Sudre, Joël, Christophe Maes, and Véronique Garçon. "On the global estimates of geostrophic and Ekman surface currents." Limnology and Oceanography: Fluids and Environments 3, no. 1 (2013): 1–20. http://dx.doi.org/10.1215/21573689-2071927.

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Zhang, ZiZhan, Yang Lu, and HouTse Hsu. "Detecting surface geostrophic currents using wavelet filter from satellite geodesy." Science in China Series D: Earth Sciences 50, no. 6 (2007): 918–26. http://dx.doi.org/10.1007/s11430-007-0038-4.

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Poulain, Pierre-Marie, Milena Menna, and Elena Mauri. "Surface Geostrophic Circulation of the Mediterranean Sea Derived from Drifter and Satellite Altimeter Data." Journal of Physical Oceanography 42, no. 6 (2012): 973–90. http://dx.doi.org/10.1175/jpo-d-11-0159.1.

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Abstract Drifter observations and satellite-derived sea surface height data are used to quantitatively study the surface geostrophic circulation of the entire Mediterranean Sea for the period spanning 1992–2010. After removal of the wind-driven components from the drifter velocities and low-pass filtering in bins of 1° × 1° × 1 week, maps of surface geostrophic circulation (mean flow and kinetic energy levels) are produced using the drifter and/or satellite data. The mean currents and kinetic energy levels derived from the drifter data appear stronger/higher with respect to those obtained from
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Dissertations / Theses on the topic "Surface geostrophic currents"

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Müller, Felix Lucian [Verfasser], Florian [Akademischer Betreuer] Seitz, Per [Gutachter] Knudsen, Martin [Gutachter] Horwath, and Florian [Gutachter] Seitz. "Improved polar geostrophic surface currents from satellite altimetry / Felix Lucian Müller ; Gutachter: Per Knudsen, Martin Horwath, Florian Seitz ; Betreuer: Florian Seitz." München : Universitätsbibliothek der TU München, 2021. http://d-nb.info/122758055X/34.

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Chi-HungChang and 張繼鴻. "Analysis of Surface and Subsurface Geostrophic Currents Derived from Satellite Altimetry and In-situ Hydrographical Data." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/42066379829858480894.

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碩士<br>國立成功大學<br>測量及空間資訊學系<br>103<br>Studies have shown that ocean circulations are highly important for the climate stability and human life. Their variations are also highly connected to potential natural hazards; therefore, continuous monitoring of ocean circulations has been a highly respected issue over the past centuries. The research uses multiple satellite altimetry data, satellite-only geoid model (GOCE or GRACE), in-situ hydrographical data to determine mesoscale geostrophic current velocities globally. To reduce the errors remain in ADT, the research adopts conventional pointwise app
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Zheng, Zhe-Wen, and 鄭志文. "Seasonal and interannual variability of multi-satellite derived Sea Surface Heights and Geostrophic Currents in the South China Sea." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/08316759647731497673.

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Yu, Yunyue. "Sea surface temperature, geostrophic current and surface heat advection in the western tropical Pacific." 1996. http://catalog.hathitrust.org/api/volumes/oclc/37356621.html.

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Conference papers on the topic "Surface geostrophic currents"

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Storie, Jill, Rafael Ramos, Michael Leber, Heather Nowak, Michelle Young, and Bruce Magnell. "Evaluation of Loop Current/Loop Current Eddy Fronts to Guide Offshore Oil & Gas Operations." In Offshore Technology Conference. OTC, 2023. http://dx.doi.org/10.4043/32643-ms.

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Abstract The unique circulation characteristics of the Gulf of Mexico (GOM) pose a significant threat to the safety of offshore oil and gas operations pertaining to installation of new production systems, drilling, and maintenance of existing offshore infrastructure. Operators in the area rely on realistic estimates of the location of the sharp fronts (regions of high horizontal shear) characteristic of the warm-core Loop Current (LC) and Loop Current Eddies (LCEs) and smaller cold core cyclonic eddies (CEs) to estimate working windows. However, locating these features is not a trivial underta
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