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Journal articles on the topic 'Ocean interior'

Author: Grafiati

Published: 25 May 2024

Last updated: 31 July 2025

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1

Rigby, Frances E., and Nikku Madhusudhan. "On the ocean conditions of Hycean worlds." Monthly Notices of the Royal Astronomical Society 529, no. 1 (2024): 409–24. http://dx.doi.org/10.1093/mnras/stae413.

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ABSTRACT Recent studies have suggested the possibility of Hycean worlds, characterized by deep liquid water oceans beneath H2-rich atmospheres. These planets significantly widen the range of planetary properties over which habitable conditions could exist. We conduct internal structure modelling of Hycean worlds to investigate the range of interior compositions, ocean depths and atmospheric mass fractions possible. Our investigation explicitly considers habitable oceans, where the surface conditions are limited to those that can support potential life. The ocean depths depend on the surface gr

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DeVries, Tim, and François Primeau. "Dynamically and Observationally Constrained Estimates of Water-Mass Distributions and Ages in the Global Ocean." Journal of Physical Oceanography 41, no. 12 (2011): 2381–401. http://dx.doi.org/10.1175/jpo-d-10-05011.1.

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Abstract A data-constrained ocean circulation model is used to characterize the distribution of water masses and their ages in the global ocean. The model is constrained by the time-averaged temperature, salinity, and radiocarbon distributions in the ocean, as well as independent estimates of the mean sea surface height and sea surface heat and freshwater fluxes. The data-constrained model suggests that the interior ocean is ventilated primarily by water masses forming in the Southern Ocean. Southern Ocean waters, including those waters forming in the Antarctic and subantarctic regions, make u

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Biersteker, John B., Benjamin P. Weiss, Corey J. Cochrane, et al. "Revealing the Interior Structure of Icy Moons with a Bayesian Approach to Magnetic Induction Measurements." Planetary Science Journal 4, no. 4 (2023): 62. http://dx.doi.org/10.3847/psj/acc331.

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Abstract Some icy moons and small bodies in the solar system are believed to host subsurface liquid water oceans. The interaction of these saline, electrically conductive oceans with time-varying external magnetic fields generates induced magnetic fields. Magnetometry observations of these induced fields in turn enable the detection and characterization of these oceans. We present a framework for characterizing the interiors of icy moons using multifrequency induction and Bayesian inference applied to magnetometry measurements anticipated from the upcoming Europa Clipper mission. Using simulat

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Dong, Shenfu, Silvia Garzoli, and Molly Baringer. "The Role of Interocean Exchanges on Decadal Variations of the Meridional Heat Transport in the South Atlantic." Journal of Physical Oceanography 41, no. 8 (2011): 1498–511. http://dx.doi.org/10.1175/2011jpo4549.1.

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Abstract The interocean exchange of water from the South Atlantic with the Pacific and Indian Oceans is examined using the output from the ocean general circulation model for the Earth Simulator (OFES) during the period 1980–2006. The main objective of this paper is to investigate the role of the interocean exchanges in the variability of the Atlantic meridional overturning circulation (AMOC) and its associated meridional heat transport (MHT) in the South Atlantic. The meridional heat transport from OFES shows a similar response to AMOC variations to that derived from observations: a 1 Sv (1 S

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Siegelman, Lia. "Energetic Submesoscale Dynamics in the Ocean Interior." Journal of Physical Oceanography 50, no. 3 (2020): 727–49. http://dx.doi.org/10.1175/jpo-d-19-0253.1.

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AbstractSubmesoscale ocean processes, characterized by order-1 Rossby and Richardson numbers, are currently thought to be mainly confined to the ocean surface mixed layer, whereas the ocean interior is commonly assumed to be in quasigeostrophic equilibrium. Here, a realistic numerical simulation in the Antarctic Circumpolar Current, with a 1/48° horizontal resolution and tidal forcing, is used to demonstrate that the ocean interior departs from the quasigeostrophic regime down to depths of 900 m, that is, well below the mixed layer. Results highlight that, contrary to the classical paradigm, t

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Bower, Dan J., Kaustubh Hakim, Paolo A. Sossi, and Patrick Sanan. "Retention of Water in Terrestrial Magma Oceans and Carbon-rich Early Atmospheres." Planetary Science Journal 3, no. 4 (2022): 93. http://dx.doi.org/10.3847/psj/ac5fb1.

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Abstract Massive steam and CO2 atmospheres have been proposed for magma ocean outgassing of Earth and terrestrial planets. Yet formation of such atmospheres depends on volatile exchange with the molten interior, governed by volatile solubilities and redox reactions. We determine the evolution of magma ocean–atmosphere systems for a range of oxygen fugacities, C/H ratios, and hydrogen budgets that include redox reactions for hydrogen (H2–H2O), carbon (CO–CO2), methane (CH4), and solubility laws for H2O and CO2. We find that small initial budgets of hydrogen, high C/H ratios, and oxidizing condi

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Bower, Dan J., Kaustubh Hakim, Paolo A. Sossi, and Patrick Sanan. "Retention of Water in Terrestrial Magma Oceans and Carbon-rich Early Atmospheres." Planetary Science Journal 3, no. 4 (2022): 93. http://dx.doi.org/10.3847/psj/ac5fb1.

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Abstract Massive steam and CO2 atmospheres have been proposed for magma ocean outgassing of Earth and terrestrial planets. Yet formation of such atmospheres depends on volatile exchange with the molten interior, governed by volatile solubilities and redox reactions. We determine the evolution of magma ocean–atmosphere systems for a range of oxygen fugacities, C/H ratios, and hydrogen budgets that include redox reactions for hydrogen (H2–H2O), carbon (CO–CO2), methane (CH4), and solubility laws for H2O and CO2. We find that small initial budgets of hydrogen, high C/H ratios, and oxidizing condi

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8

Yang, Xiaoting, and Eli Tziperman. "The Vertical Middepth Ocean Density Profile: An Interplay between Southern Ocean Dynamics and Interior Vertical Diffusivity." Journal of Physical Oceanography 52, no. 10 (2022): 2479–92. http://dx.doi.org/10.1175/jpo-d-21-0188.1.

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Abstract The middepth ocean temperature profile was found by Munk in 1966 to agree with an exponential profile and shown to be consistent with a vertical advective–diffusive balance. However, tracer release experiments show that vertical diffusivity in the middepth ocean is an order of magnitude too small to explain the observed 1-km exponential scale. Alternative mechanisms suggested that nearly all middepth water upwells adiabatically in the Southern Ocean (SO). In this picture, SO eddies and wind set SO isopycnal slopes and therefore determine a nonvanishing middepth interior stratification

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Pou, Laurent, Mark P. Panning, Marshall J. Styczinski, Mohit Melwani Daswani, Ceri Nunn, and Steven D. Vance. "Tidal Seismicity in the Moon and Implications for the Rocky Interior of Europa." Planetary Science Journal 5, no. 6 (2024): 142. http://dx.doi.org/10.3847/psj/ad47bc.

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Abstract Seismology is a powerful tool for probing the deep interiors of planetary bodies. Just as deep moonquakes triggered by Earth’s tides occur on the Moon, as observed by the Apollo seismometers, icy moons of the giant planets may also have seismically active deep interiors, opening up future prospects for in situ seismic investigations at their surfaces. Of notable interest is Jupiter’s moon Europa, with its dynamic ice shell and potentially habitable subsurface ocean. In this work, we use different interior models of the Moon and model the tidal stress inside them to determine the most

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Blanke, Bruno, Sabrina Speich, Gurvan Madec, and Rudy Maugé. "A global diagnostic of interior ocean ventilation." Geophysical Research Letters 29, no. 8 (2002): 108–1. http://dx.doi.org/10.1029/2001gl013727.

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Rutberg, Randye L., та Synte L. Peacock. "High-latitude forcing of interior ocean δ13C". Paleoceanography 21, № 2 (2006): n/a. http://dx.doi.org/10.1029/2005pa001226.

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McDougall, Trevor J., Sjoerd Groeskamp, and Stephen M. Griffies. "On Geometrical Aspects of Interior Ocean Mixing." Journal of Physical Oceanography 44, no. 8 (2014): 2164–75. http://dx.doi.org/10.1175/jpo-d-13-0270.1.

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Abstract The small-slope approximation to the full three-dimensional diffusion tensor of epineutral diffusion gives exactly the same tracer flux as the commonly used projected nonorthogonal diffusive flux of layered ocean models and of theoretical studies. The epineutral diffusion achieved by this small-slope approximation is not exactly in the direction of the correct epineutral tracer gradient. That is, the use of the small-slope approximation leads to a very small flux of tracer in a direction in which there is no epineutral gradient of tracer. For (the tracer) temperature or salinity, the

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Lauvset, Siv K., Nico Lange, Toste Tanhua, et al. "An updated version of the global interior ocean biogeochemical data product, GLODAPv2.2021." Earth System Science Data 13, no. 12 (2021): 5565–89. http://dx.doi.org/10.5194/essd-13-5565-2021.

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Abstract. The Global Ocean Data Analysis Project (GLODAP) is a synthesis effort providing regular compilations of surface-to-bottom ocean biogeochemical bottle data, with an emphasis on seawater inorganic carbon chemistry and related variables determined through chemical analysis of seawater samples. GLODAPv2.2021 is an update of the previous version, GLODAPv2.2020 (Olsen et al., 2020). The major changes are as follows: data from 43 new cruises were added, data coverage was extended until 2020, all data with missing temperatures were removed, and a digital object identifier (DOI) was included

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Lauvset, Siv K., Nico Lange, Toste Tanhua, et al. "GLODAPv2.2022: the latest version of the global interior ocean biogeochemical data product." Earth System Science Data 14, no. 12 (2022): 5543–72. http://dx.doi.org/10.5194/essd-14-5543-2022.

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Abstract. The Global Ocean Data Analysis Project (GLODAP) is a synthesis effort providing regular compilations of surface-to-bottom ocean biogeochemical bottle data, with an emphasis on seawater inorganic carbon chemistry and related variables determined through chemical analysis of seawater samples. GLODAPv2.2022 is an update of the previous version, GLODAPv2.2021 (Lauvset et al., 2021). The major changes are as follows: data from 96 new cruises were added, data coverage was extended until 2021, and for the first time we performed secondary quality control on all sulfur hexafluoride (SF6) dat

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Primeau, François W., and Mark Holzer. "The Ocean’s Memory of the Atmosphere: Residence-Time and Ventilation-Rate Distributions of Water Masses." Journal of Physical Oceanography 36, no. 7 (2006): 1439–56. http://dx.doi.org/10.1175/jpo2919.1.

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Abstract A conceptually new approach to diagnosing tracer-independent ventilation rates is developed. Tracer Green functions are exploited to partition ventilation rates according to the ventilated fluid’s residence time in the ocean interior and according to where this fluid enters and exits the interior. In the presence of mixing by mesoscale eddies, which are reasonably represented by diffusion, ventilation rates for overlapping entry and exit regions cannot meaningfully be characterized by a single rate. It is a physical consequence of diffusive transport that fluid elements that spend an

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Homoky, William B., Tim M. Conway, Seth G. John, et al. "Iron colloids dominate sedimentary supply to the ocean interior." Proceedings of the National Academy of Sciences 118, no. 13 (2021): e2016078118. http://dx.doi.org/10.1073/pnas.2016078118.

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Dissolution of marine sediment is a key source of dissolved iron (Fe) that regulates the ocean carbon cycle. Currently, our prevailing understanding, encapsulated in ocean models, focuses on low-oxygen reductive supply mechanisms and neglects the emerging evidence from iron isotopes in seawater and sediment porewaters for additional nonreductive dissolution processes. Here, we combine measurements of Fe colloids and dissolved δ56Fe in shallow porewaters spanning the full depth of the South Atlantic Ocean to demonstrate that it is lithogenic colloid production that fuels sedimentary iron supply

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McDougall, Trevor J., and Raffaele Ferrari. "Abyssal Upwelling and Downwelling Driven by Near-Boundary Mixing." Journal of Physical Oceanography 47, no. 2 (2017): 261–83. http://dx.doi.org/10.1175/jpo-d-16-0082.1.

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AbstractA buoyancy and volume budget analysis of bottom-intensified mixing in the abyssal ocean reveals simple expressions for the strong upwelling in very thin continental boundary layers and the interior near-boundary downwelling in the stratified ocean interior. For a given amount of Antarctic Bottom Water that is upwelled through neutral density surfaces in the abyssal ocean (between 2000 and 5000 m), up to 5 times this volume flux is upwelled in narrow, turbulent, sloping bottom boundary layers, while up to 4 times the net upward volume transport of Bottom Water flows downward across isop

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18

Kohler, Monica D., Katrin Hafner, Jeffrey Park, et al. "A Plan for a Long-Term, Automated, Broadband Seismic Monitoring Network on the Global Seafloor." Seismological Research Letters 91, no. 3 (2020): 1343–55. http://dx.doi.org/10.1785/0220190123.

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Abstract Establishing an extensive and highly durable, long-term, seafloor network of autonomous broadband seismic stations to complement the land-based Global Seismographic Network has been a goal of seismologists for decades. Seismic signals, chiefly the vibrations from earthquakes but also signals generated by storms and other environmental processes, have been processed from land-based seismic stations to build intriguing but incomplete images of the Earth’s interior. Seismologists have mapped structures such as tectonic plates and other crustal remnants sinking deep into the mantle to obt

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Lauvset, Siv K., Nico Lange, Toste Tanhua, et al. "The annual update GLODAPv2.2023: the global interior ocean biogeochemical data product." Earth System Science Data 16, no. 4 (2024): 2047–72. http://dx.doi.org/10.5194/essd-16-2047-2024.

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Abstract. The Global Ocean Data Analysis Project (GLODAP) is a synthesis effort providing regular compilations of surface to bottom ocean biogeochemical bottle data, with an emphasis on seawater inorganic carbon chemistry and related variables determined through chemical analysis of seawater samples. GLODAPv2.2023 is an update of the previous version, GLODAPv2.2022 (Lauvset et al., 2022). The major changes are as follows: data from 23 new cruises were added. In addition, a number of changes were made to the data included in GLODAPv2.2022. GLODAPv2.2023 includes measurements from more than 1.4

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Friocourt, Yann, Sybren Drijfhout, Bruno Blanke, and Sabrina Speich. "Water Mass Export from Drake Passage to the Atlantic, Indian, and Pacific Oceans: A Lagrangian Model Analysis." Journal of Physical Oceanography 35, no. 7 (2005): 1206–22. http://dx.doi.org/10.1175/jpo2748.1.

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Abstract The northward export of intermediate water from Drake Passage is investigated in two global ocean general circulation models (GCMs) by means of quantitative particle tracing diagnostics. This study shows that a total of about 23 Sv (Sv ≡ 106 m3 s−1) is exported from Drake Passage to the equator. The Atlantic and Pacific Oceans are the main catchment basins with 7 and 15 Sv, respectively. Only 1–2 Sv of the water exported to the Atlantic equator follow the direct cold route from Drake Passage without entering the Indian Ocean. The remainder loops first into the Indian Ocean subtropical

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Mandt, Kathleen, Adrienn Luspay-Kuti, Olivier Mousis, and Sarah E. Anderson. "Surface Volatile Composition as Evidence for Hydrothermal Processes Lasting Longer in Triton’s Interior than Pluto’s." Astrophysical Journal 959, no. 1 (2023): 57. http://dx.doi.org/10.3847/1538-4357/ad09b5.

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Abstract Ocean worlds, or icy bodies in the outer solar system that have or once had subsurface liquid water oceans, are among the most compelling topics of astrobiology. Typically, confirming the existence of a subsurface ocean requires close spacecraft observations. However, combining our understanding of the chemistry that takes place in a subsurface ocean with our knowledge of the building blocks that formed potential ocean worlds provides an opportunity to identify tracers of endogenic activity in the surface volatiles of Pluto and Triton. We show here that the current composition of the

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Morel, Yves, and James McWilliams. "Evolution of Isolated Interior Vortices in the Ocean." Journal of Physical Oceanography 27, no. 5 (1997): 727–48. http://dx.doi.org/10.1175/1520-0485(1997)027<0727:eoiivi>2.0.co;2.

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Gaeman, Jodi, Saswata Hier-Majumder, and James H. Roberts. "Sustainability of a subsurface ocean within Triton’s interior." Icarus 220, no. 2 (2012): 339–47. http://dx.doi.org/10.1016/j.icarus.2012.05.006.

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Genova, Antonio, Marzia Parisi, Anna Maria Gargiulo, et al. "Gravity Investigation to Characterize Enceladus's Ocean and Interior." Planetary Science Journal 5, no. 2 (2024): 40. http://dx.doi.org/10.3847/psj/ad16df.

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Abstract A key objective for the future exploration of the icy moon Enceladus is the characterization of the habitable conditions in its internal ocean. Radio science instrumentation on board a spacecraft in a low-altitude orbit about Enceladus would enable gravity measurements that are fundamental to providing constraints on its internal structure. We present here the concept of operations and expected results of the gravity investigation for a New Frontiers–class mission. Numerical simulations are carried out to determine the gravity field in spherical harmonics to degree and order 30 and th

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Olsen, Are, Nico Lange, Robert M. Key, et al. "An updated version of the global interior ocean biogeochemical data product, GLODAPv2.2020." Earth System Science Data 12, no. 4 (2020): 3653–78. http://dx.doi.org/10.5194/essd-12-3653-2020.

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Abstract. The Global Ocean Data Analysis Project (GLODAP) is a synthesis effort providing regular compilations of surface-to-bottom ocean biogeochemical data, with an emphasis on seawater inorganic carbon chemistry and related variables determined through chemical analysis of seawater samples. GLODAPv2.2020 is an update of the previous version, GLODAPv2.2019. The major changes are data from 106 new cruises added, extension of time coverage to 2019, and the inclusion of available (also for historical cruises) discrete fugacity of CO2 (fCO2) values in the merged product files. GLODAPv2.2020 now

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Dorn, Caroline, and Tim Lichtenberg. "Hidden Water in Magma Ocean Exoplanets." Astrophysical Journal Letters 922, no. 1 (2021): L4. http://dx.doi.org/10.3847/2041-8213/ac33af.

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Abstract We demonstrate that the deep volatile storage capacity of magma oceans has significant implications for the bulk composition, interior, and climate state inferred from exoplanet mass and radius data. Experimental petrology provides the fundamental properties of the ability of water and melt to mix. So far, these data have been largely neglected for exoplanet mass–radius modeling. Here we present an advanced interior model for water-rich rocky exoplanets. The new model allows us to test the effects of rock melting and the redistribution of water between magma ocean and atmosphere on ca

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Meneghello, Gianluca, John Marshall, Camille Lique, et al. "Genesis and Decay of Mesoscale Baroclinic Eddies in the Seasonally Ice-Covered Interior Arctic Ocean." Journal of Physical Oceanography 51, no. 1 (2021): 115–29. http://dx.doi.org/10.1175/jpo-d-20-0054.1.

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AbstractObservations of ocean currents in the Arctic interior show a curious, and hitherto unexplained, vertical and temporal distribution of mesoscale activity. A marked seasonal cycle is found close to the surface: strong eddy activity during summer, observed from both satellites and moorings, is followed by very quiet winters. In contrast, subsurface eddies persist all year long within the deeper halocline and below. Informed by baroclinic instability analysis, we explore the origin and evolution of mesoscale eddies in the seasonally ice-covered interior Arctic Ocean. We find that the surfa

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Henning, Cara C., David Archer, and Inez Fung. "Argon as a Tracer of Cross-Isopycnal Mixing in the Thermocline." Journal of Physical Oceanography 36, no. 11 (2006): 2090–105. http://dx.doi.org/10.1175/jpo2961.1.

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Abstract Noble gases such as argon are unaffected by chemical reactions in the ocean interior, but a number of physical mechanisms can lead to measurable sea level atmospheric disequilibrium in subsurface waters of the ocean. One such mechanism is the mixing of waters of different temperatures, which can lead to supersaturation in the ocean interior. The authors simulate the supersaturation mixing signature in the thermocline in a global ocean general circulation model, Parallel Ocean Program model, version 1.4 (POP 1.4). In contrast to existing mixing diagnostics such as dye tracers or micros

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Boley, Kiersten M., Wendy R. Panero, Cayman T. Unterborn, Joseph G. Schulze, Romy Rodríguez Martínez, and Ji Wang. "Fizzy Super-Earths: Impacts of Magma Composition on the Bulk Density and Structure of Lava Worlds." Astrophysical Journal 954, no. 2 (2023): 202. http://dx.doi.org/10.3847/1538-4357/acea85.

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Abstract Lava worlds are a potential emerging population of Super-Earths that are on close-in orbits around their host stars, with likely partially molten mantles. To date, few studies have addressed the impact of magma on the observed properties of a planet. At ambient conditions, magma is less dense than solid rock; however, it is also more compressible with increasing pressure. Therefore, it is unclear how large-scale magma oceans affect planet observables, such as bulk density. We update ExoPlex, a thermodynamically self-consistent planet interior software, to include anhydrous, hydrous (2

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Naveira Garabato, Alberto C., Eleanor E. Frajka-Williams, Carl P. Spingys, et al. "Rapid mixing and exchange of deep-ocean waters in an abyssal boundary current." Proceedings of the National Academy of Sciences 116, no. 27 (2019): 13233–38. http://dx.doi.org/10.1073/pnas.1904087116.

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The overturning circulation of the global ocean is critically shaped by deep-ocean mixing, which transforms cold waters sinking at high latitudes into warmer, shallower waters. The effectiveness of mixing in driving this transformation is jointly set by two factors: the intensity of turbulence near topography and the rate at which well-mixed boundary waters are exchanged with the stratified ocean interior. Here, we use innovative observations of a major branch of the overturning circulation—an abyssal boundary current in the Southern Ocean—to identify a previously undocumented mixing mechanism

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Levi, A., A. Bansal, and D. Sasselov. "A High-pressure Filled Ice in the H₂O–CO₂–CH₄ System, with Possible Consequences for the CO₂–CH₄ Biosignature Pair." Astrophysical Journal 944, no. 2 (2023): 209. http://dx.doi.org/10.3847/1538-4357/acb49a.

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Abstract Here we constrain the speciation of carbon that may outgas in ocean exoplanets. Ocean exoplanets likely have at least a few percent by mass of water, which is sufficient to build a high-pressure ice layer between a rocky interior and the outer hydrosphere. We study the possible formation of a filled ice in the ternary system H2O–CO2–CH4. The incorporation of CH4 and CO2 in filled ice would be an important mechanism for transporting carbon across a high-pressure ice mantle into the atmosphere. The CH4–CO2 pair is also important as a potential biosignature. We find that a filled ice in

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Khurana, K. K., X. Jia, M. G. Kivelson, F. Nimmo, G. Schubert, and C. T. Russell. "Evidence of a Global Magma Ocean in Io's Interior." Science 332, no. 6034 (2011): 1186–89. http://dx.doi.org/10.1126/science.1201425.

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Matsumoto, Katsumi, Tadamichi Oba, Jean Lynch-Stieglitz, and Hirofumi Yamamoto. "Interior hydrography and circulation of the glacial Pacific Ocean." Quaternary Science Reviews 21, no. 14-15 (2002): 1693–704. http://dx.doi.org/10.1016/s0277-3791(01)00142-1.

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Trenkel, Verena M., Nils Olav Handegard, and Thomas C. Weber. "Observing the ocean interior in support of integrated management." ICES Journal of Marine Science 73, no. 8 (2016): 1947–54. http://dx.doi.org/10.1093/icesjms/fsw132.

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Abstract Active- and passive-acoustic methods are widely used tools for observing, monitoring, and understanding marine ecosystems. From 25 to 28 May 2015, 214 scientists from 31 nations gathered for an ICES symposium on Marine Ecosystem Acoustics (SoME Acoustics) to discuss three major themes related to acoustic observations of marine ecosystems: (i) recent developments in acoustic and platform technologies; (ii) acoustic characterisation of aquatic organisms, ecosystem structure, and ecosystem processes; and (iii) contribution of acoustics to integrated ecosystem assessments and management.

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Groeskamp, Sjoerd, Andrew Lenton, Richard Matear, Bernadette M. Sloyan, and Clothilde Langlais. "Anthropogenic carbon in the ocean-Surface to interior connections." Global Biogeochemical Cycles 30, no. 11 (2016): 1682–98. http://dx.doi.org/10.1002/2016gb005476.

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Zanna, Laure, Samar Khatiwala, Jonathan M. Gregory, Jonathan Ison, and Patrick Heimbach. "Global reconstruction of historical ocean heat storage and transport." Proceedings of the National Academy of Sciences 116, no. 4 (2019): 1126–31. http://dx.doi.org/10.1073/pnas.1808838115.

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Most of the excess energy stored in the climate system due to anthropogenic greenhouse gas emissions has been taken up by the oceans, leading to thermal expansion and sea-level rise. The oceans thus have an important role in the Earth’s energy imbalance. Observational constraints on future anthropogenic warming critically depend on accurate estimates of past ocean heat content (OHC) change. We present a reconstruction of OHC since 1871, with global coverage of the full ocean depth. Our estimates combine timeseries of observed sea surface temperatures with much longer historical coverage than t

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Navarro Jover, Luis. "¿Es el mundo un “gran interior”?" Constelaciones. Revista de Arquitectura de la Universidad CEU San Pablo, no. 11 (June 2, 2023): 161–71. http://dx.doi.org/10.31921/constelaciones.n11a9.

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Según apunta Peter Sloterdijk, la desconfianza en el medio que nos rodea, junto con el desarrollo de las tecnologías de control y confort del aire, nos ha llevado a un proceso creciente de “interiorización” del espacio arquitectónico. Nuestro mundo globalizado nos ha acostumbrado a respirar un aire diseñado y sintetizado, envolviéndonos en una reconfortante atmósfera prefijada, perfectamente desarrollada y “perfumada”, con el objetivo de crear nuevos y excitantes efectos en los usuarios-espectadores-compradores. Este interior es en sí mismo una gran máquina climática; esto es, una “gran

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Ferrari, Raffaele, Ali Mashayek, Trevor J. McDougall, Maxim Nikurashin, and Jean-Michael Campin. "Turning Ocean Mixing Upside Down." Journal of Physical Oceanography 46, no. 7 (2016): 2239–61. http://dx.doi.org/10.1175/jpo-d-15-0244.1.

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AbstractIt is generally understood that small-scale mixing, such as is caused by breaking internal waves, drives upwelling of the densest ocean waters that sink to the ocean bottom at high latitudes. However, the observational evidence that the strong turbulent fluxes generated by small-scale mixing in the stratified ocean interior are more vigorous close to the ocean bottom boundary than above implies that small-scale mixing converts light waters into denser ones, thus driving a net sinking of abyssal waters. Using a combination of theoretical ideas and numerical models, it is argued that aby

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Klocker, Andreas. "Opening the window to the Southern Ocean: The role of jet dynamics." Science Advances 4, no. 10 (2018): eaao4719. http://dx.doi.org/10.1126/sciadv.aao4719.

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The surface waters of the Southern Ocean act as a control valve through which climatically important tracers such as heat, freshwater, and CO2 are transferred between the atmosphere and the ocean. The process that transports these tracers through the surface mixed layer into the ocean interior is known as ocean ventilation. Changes in ocean ventilation are thought to be important for both rapid transitions of the ocean’s global overturning circulation during the last deglaciation and the uptake and storage of excess heat and CO2 as a consequence of anthropogenic climate change. I show how the

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Roquet, Fabien, Carl Wunsch, and Gurvan Madec. "On the Patterns of Wind-Power Input to the Ocean Circulation." Journal of Physical Oceanography 41, no. 12 (2011): 2328–42. http://dx.doi.org/10.1175/jpo-d-11-024.1.

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Abstract Pathways of wind-power input into the ocean general circulation are analyzed using Ekman theory. Direct rates of wind work can be calculated through the wind stress acting on the surface geostrophic flow. However, because that energy is transported laterally in the Ekman layer, the injection into the geostrophic interior is actually controlled by Ekman pumping, with a pattern determined by the wind curl rather than the wind itself. Regions of power injection into the geostrophic interior are thus generally shifted poleward compared to regions of direct wind-power input, most notably i

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Curbelo-Hernández, David, Fiz F. Pérez, Melchor González-Dávila, et al. "Ocean acidification trends and carbonate system dynamics across the North Atlantic subpolar gyre water masses during 2009–2019." Biogeosciences 21, no. 23 (2024): 5561–89. https://doi.org/10.5194/bg-21-5561-2024.

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Abstract. The CO2–carbonate system dynamics in the North Atlantic subpolar gyre (NASPG) were evaluated between 2009 and 2019. Data were collected aboard eight summer cruises through the Climate and Ocean: Variability, Predictability and Change (CLIVAR) 59.5° N section. The ocean acidification (OA) patterns and the reduction in the saturation state of calcite (ΩCa) and aragonite (ΩArag) in response to the increasing anthropogenic CO2 (Cant) were assessed within the Irminger, Iceland, and Rockall basins during a poorly assessed decade in which the physical patterns reversed in comparison with pr

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Umbert, Marta, Eva De-Andrés, Rafael Gonçalves-Araujo, et al. "Surface and Interior Dynamics of Arctic Seas Using Surface Quasi-Geostrophic Approach." Remote Sensing 15, no. 7 (2023): 1722. http://dx.doi.org/10.3390/rs15071722.

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This study assesses the capability of Surface Quasi-Geostrophy (SQG) to reconstruct the three-dimensional (3D) dynamics in four critical areas of the Arctic Ocean: the Nordic, Barents, East Siberian, and Beaufort Seas. We first reconstruct the upper ocean dynamics from TOPAZ4 reanalysis of sea surface height (SSH), surface buoyancy (SSB), and surface velocities (SSV) and validate the results with the geostrophic and total TOPAZ4 velocities. The reconstruction of upper ocean dynamics using SSH fields is in high agreement with the geostrophic velocities, with correlation coefficients greater tha

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Buesseler, Ken O., Philip W. Boyd, Erin E. Black, and David A. Siegel. "Metrics that matter for assessing the ocean biological carbon pump." Proceedings of the National Academy of Sciences 117, no. 18 (2020): 9679–87. http://dx.doi.org/10.1073/pnas.1918114117.

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The biological carbon pump (BCP) comprises wide-ranging processes that set carbon supply, consumption, and storage in the oceans’ interior. It is becoming increasingly evident that small changes in the efficiency of the BCP can significantly alter ocean carbon sequestration and, thus, atmospheric CO2 and climate, as well as the functioning of midwater ecosystems. Earth system models, including those used by the United Nation’s Intergovernmental Panel on Climate Change, most often assess POC (particulate organic carbon) flux into the ocean interior at a fixed reference depth. The extrapolation

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Stouffer, R. J., J. L. Russell, R. L. Beadling, et al. "The Role of Continental Topography in the Present-Day Ocean’s Mean Climate." Journal of Climate 35, no. 4 (2022): 1327–46. http://dx.doi.org/10.1175/jcli-d-20-0690.1.

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Abstract Climate models of varying complexity have been used for decades to investigate the impact of mountains on the atmosphere and surface climate. Here, the impact of removing the continental topography on the present-day ocean climate is investigated using three different climate models spanning multiple generations. An idealized study is performed where all present-day land surface topography is removed and the equilibrium change in the oceanic mean state with and without the mountains is studied. When the mountains are removed, changes found in all three models include a weakening of th

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Griffies, Stephen M., Michael Winton, Leo J. Donner, et al. "The GFDL CM3 Coupled Climate Model: Characteristics of the Ocean and Sea Ice Simulations." Journal of Climate 24, no. 13 (2011): 3520–44. http://dx.doi.org/10.1175/2011jcli3964.1.

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Abstract This paper documents time mean simulation characteristics from the ocean and sea ice components in a new coupled climate model developed at the NOAA Geophysical Fluid Dynamics Laboratory (GFDL). The GFDL Climate Model version 3 (CM3) is formulated with effectively the same ocean and sea ice components as the earlier CM2.1 yet with extensive developments made to the atmosphere and land model components. Both CM2.1 and CM3 show stable mean climate indices, such as large-scale circulation and sea surface temperatures (SSTs). There are notable improvements in the CM3 climate simulation re

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Brink, K. H. "Buoyancy Arrest and Shelf–Ocean Exchange." Journal of Physical Oceanography 42, no. 4 (2012): 644–58. http://dx.doi.org/10.1175/jpo-d-11-0143.1.

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Abstract When steady flow in a stratified ocean passes between the continental slope and open ocean, its ability to cross isobaths is potentially limited by buoyancy arrest. If the bottom Ekman transport vanishes and there are no interior stresses, then steady linear flow on an f plane must be geostrophic and follow isobaths exactly. The influence of arrest on cross-shelf transport is investigated here to establish 1) whether there are substantial penetration asymmetries between cases with upwelling and downwelling in the bottom boundary layer; 2) over what spatial scales, hence in what parame

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Gebbie, Geoffrey, and Peter Huybers. "Total Matrix Intercomparison: A Method for Determining the Geometry of Water-Mass Pathways." Journal of Physical Oceanography 40, no. 8 (2010): 1710–28. http://dx.doi.org/10.1175/2010jpo4272.1.

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Abstract Ocean tracer distributions have long been used to decompose the deep ocean into constituent water masses, but previous inverse methods have generally been limited to just a few water masses that have been defined by a subjective choice of static property combinations. Through air–sea interaction and upper-ocean processes, all surface locations are potential sources of distinct tracer properties, and thus it is natural to define a distinct water type for each surface site. Here, a new box inversion method is developed to explore the contributions of all surface locations to the ocean i

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Tanhua, T., and R. F. Keeling. "Changes in column inventories of carbon and oxygen in the Atlantic Ocean." Biogeosciences Discussions 9, no. 7 (2012): 8039–73. http://dx.doi.org/10.5194/bgd-9-8039-2012.

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Abstract. Increasing concentrations of dissolved inorganic carbon (DIC) in the interior ocean is expected as a direct consequence of increasing concentrations of CO2 in the atmosphere. This extra DIC is often referred to as anthropogenic carbon (Cant), and its inventory, or increase rate, in the interior ocean has previously been estimated by a multitude of observational approaches. Each of these methods are associated with hard to test assumptions since Cant cannot be directly observed. Results from a simpler concept with few assumptions applied to the Atlantic Ocean are reported on here usin

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Döös, K. "The wind-driven overturning circulation of the World Ocean." Ocean Science Discussions 2, no. 5 (2005): 473–505. http://dx.doi.org/10.5194/osd-2-473-2005.

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Abstract. The wind driven aspects of the meridional overturning circulation of the world ocean and the Conveyor Belt is studied making use of a simple analytical model. The model consists of three reduced gravity layers with an inviscid Sverdrupian interior and a western boundary layer. The net north-south exchange is made possible by setting appropriate western boundary conditions, so that most of the transport is confined to the western boundary layer, while the interior is the Sverdrupian solution to the wind stress. The flow across the equator is made possible by the change of potential vo

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Shah, O., Y. Alibert, R. Helled, and K. Mezger. "Internal water storage capacity of terrestrial planets and the effect of hydration on the M-R relation." Astronomy & Astrophysics 646 (February 2021): A162. http://dx.doi.org/10.1051/0004-6361/202038839.

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Context. The discovery of low density exoplanets in the super-Earth mass regime suggests that ocean planets could be abundant in the galaxy. Understanding the chemical interactions between water and Mg-silicates or iron is essential for constraining the interiors of water-rich planets. Hydration effects have, however, been mostly neglected by the astrophysics community so far. As such effects are unlikely to have major impacts on theoretical mass-radius relations, this is justified as long as the measurement uncertainties are large. However, upcoming missions, such as the PLATO mission (schedu

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