Review
Oceanography
Weifeng (Gordon) Zhang, Philip Alatalo, Taylor Crockford, Andrew J. Hirzel, Meredith G. Meyer, Hilde Oliver, Emily Peacock, Christian M. Petitpas, Zoe Sandwith, Walker O. Smith Jr, Heidi M. Sosik, Rachel H. R. Stanley, Bethany L. F. Stevens, Jefferson T. Turner, Dennis J. McGillicuddy Jr
Summary: This study investigates the significant exchanges between the Mid-Atlantic Bight continental shelf and the neighboring open ocean induced by shelf water streamers generated by Gulf Stream warm-core rings. The satellite-measured data and in situ measurements show the evolution and characteristics of the streamer, including its onshore transport of heat and salt and offshore transport of organic carbon and oxygen.
PROGRESS IN OCEANOGRAPHY
(2023)
Article
Oceanography
M. Andres, M. Muglia, H. Seim, J. Bane, D. Savidge
Summary: This article examines the impact of the Gulf Stream on the exchange of waters between the open ocean and the shelf, based on observations from instruments deployed in the South Atlantic Bight. The study finds that the position and transport of the Gulf Stream control the along-slope flow along the continental slope, and there is a wave-like meander influence on the shelf-edge currents in a specific frequency band.
JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
(2023)
Article
Meteorology & Atmospheric Sciences
Peida Han, Xiping Yu
Summary: It has been found that Hurricane Irene generated strong near-inertial currents in the Mid-Atlantic Bight region of the US East Coast in late August 2011. The study used a combination of field data and model results to investigate the development and decay mechanism of this event. The results showed that the near-inertial currents were significant in most areas of the region, except in the nearshore area where the hurricane-induced strong mixing destroyed the stratification. It was also revealed that the near-inertial kinetic energy was mainly gained from wind power during the hurricane event.
Article
Oceanography
G. Gawarkiewicz, P. Fratantoni, F. Bahr, A. Ellertson
Summary: Shelfbreak exchange processes, particularly the Salinity Maximum Intrusion, have been extensively studied in the Middle Atlantic Bight. Recent data suggests that middepth intrusions are occurring more frequently and with greater salinity difference from ambient water compared to previous studies. The increase in frequency may be linked to a recent regime shift in the annual formation rate of Warm Core Rings by the Gulf Stream. Properly resolving this process in numerical simulations is necessary to account for salt budgets for the continental shelf and slope.
JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
(2022)
Article
Fisheries
Rebecca Horwitz, Travis N. Miles, Daphne Munroe, Josh Kohut
Summary: This study focuses on the relationship between the Mid-Atlantic Cold Pool and offshore wind energy development, and evaluates the seasonal overlap and temperature gradient changes using a data-assimilative ocean model. The results highlight the need for further research and observations to understand the impact of wind farms on the coastal environment of the Mid-Atlantic Bight.
ICES JOURNAL OF MARINE SCIENCE
(2023)
Article
Environmental Sciences
Jiejie Ma, Walker O. Smith
Summary: This study conducted three cruises off the coast of New England and estimated productivity in continental shelf waters, the shelf-break region, and deeper waters using a vertically resolved productivity model and traditional C-14-uptake measurements. The results suggest that the vertically resolved bio-optical model provides more robust productivity estimates and resolves productivity at smaller scales.
FRONTIERS IN MARINE SCIENCE
(2022)
Article
Geology
Armand Hernandez, Mario Cachao, Pedro Sousa, Ricardo M. Trigo, Jurg Luterbacher, Jose M. Vaquero, Maria C. Freitas
Summary: Research using microfossil-based proxy records and modeling simulations to estimate North Atlantic upwelling changes discovered that high-pressure conditions, solar activity, and orbital parameters are related to upwelling variations. These new findings provide insights into pre-Anthropocene upwelling changes and are important for future projections of midlatitude upwelling activity.
Article
Environmental Sciences
Sarah C. Murphy, Laura J. Nazzaro, James Simkins, Matthew J. Oliver, Josh Kohut, Michael Crowley, Travis N. Miles
Summary: The study utilized a Spike Filter method to improve the detection coverage of coastal upwelling in the Mid Atlantic Bight (MAB) and found evidence suggesting the possibility of persistent upwelling in the region. This has important implications for estimating ecological and physical responses in the MAB and coastal regions globally. The research highlights the potential of using GOES-16 SST for improved upwelling detection and calls for further investigation in ocean and atmospheric modeling applications.
REMOTE SENSING OF ENVIRONMENT
(2021)
Article
Oceanography
W. S. Brown, O. Schofield, S. Glenn, J. Kohut, W. Boicourt
Summary: During summer, a cold water mass called Cold Pool Water (CPW), formed by winter water, resides over the Mid Atlantic Bight. It strongly influences the ecosystem and fisheries, thus there is a need to understand the ocean processes and develop CPW forecast capability. High-resolution Slocum glider measurements and ocean gliders have provided valuable data on the variability and structure of CPW. The glider measurements also showed the impact of Gulf Stream on CPW properties.
CONTINENTAL SHELF RESEARCH
(2023)
Article
Meteorology & Atmospheric Sciences
Hernan G. Arango, Julia Levin, John Wilkin, Andrew M. Moore
Summary: This article introduces a new ocean modeling system that incorporates nested grid configurations for data assimilation, suitable for ocean circulation simulations at different levels of spatial refinement. The system performs well in capturing circulation patterns across a range of scales, from large-scale Gulf Stream boundary currents to mesoscale eddies and rapidly evolving submesoscale features. The study also explores the impact of data assimilation on submesoscale wave number spectra, as well as the downscaling and upscaling of information captured by the observations.
Article
Oceanography
Paulo Victor Lisboa, Elisa H. Fernandes, Aldo Sottolichio, Nicolas Huybrechts, Antonio Raylton Rodrigues Bendo, Juliana Costi
Summary: This study aims to improve the understanding of sediment transport and depositional processes in the Southwest Atlantic Inner Shelf. The analysis of an 8-year period revealed that deposition mostly exceeded erosion in the south of the Patos Lagoon mouth and resulted in positive bottom evolution, while erosion exceeded deposition to the north of the mouth, resulting in negative bottom evolution. The study also found that fluvial discharge and wind action influenced the variability of depositional processes, and ENSO events had pronounced effects on deposition off Rio de la Plata.
CONTINENTAL SHELF RESEARCH
(2023)
Article
Oceanography
Andre Klicpera, Alvar Carranza, Cristiano M. Chiessi, Paula Franco-Fraguas, Till J. J. Hanebuth, Hildegard Westphal
Summary: The oceanographic dynamics off southeastern South America are controlled by the Brazil and Malvinas currents, as well as the discharge of the Plata River. The dominance of these components depends on the wind field and riverine discharge. This study reconstructs mid-deglacial seasonal hydrographic variability in the region using isotopic analysis of a long-living bivalve shell.
CONTINENTAL SHELF RESEARCH
(2023)
Article
Thermodynamics
Jose Vicente Cardoso Santos, Noele Bissoli Perini, Marcelo Albano Moret, Erick Giovani Sperandio Nascimento, Davidson Martins Moreira
Summary: Meteorological data collected using ocean buoys are crucial for weather forecasting and studying ocean-atmosphere interaction processes. The Brazilian Navy obtains ocean buoy data on the Brazilian coast, which has high wind power generation potential. The study reveals different scaling behaviors of wind speed in various regions, highlighting the influence of terrestrial surface on wind speed patterns.
Article
Oceanography
K. Lohmann, D. A. Putrasahan, J. -S Storch, O. Gutjahr, J. H. Jungclaus, H. Haak
Summary: The study demonstrates that the global wind stress forcing has a nonlinear impact on Atlantic meridional overturning circulation (AMOC), with reduced wind stress leading to a decrease in AMOC strength and enhanced wind stress initially increasing AMOC strength before decreasing. This response is primarily determined by the reaction of the northern North Atlantic circulation and climate to changes in wind stress.
JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
(2021)
Article
Meteorology & Atmospheric Sciences
Rafael R. Torres, Estefania Giraldo, Cristian Munoz, Ana Caicedo, Ismael Hernandez-Carrasco, Alejandro Orfila
Summary: In the Panama Bight, two distinct seasonal surface circulation patterns exist, with a cyclonic gyre dominating from January to April and a weak circulation from June to December. El Nino-Southern Oscillation (ENSO) has a strong impact on interannual variability, but does not modify the seasonal circulation patterns. Positive (negative) ENSO phases increase (decrease) sea surface temperature (SST) and mean sea level variation (ADT) in the Panama Bight, while having a small effect on sea surface salinity (SSS). However, the seasonal variations in SST, SSS, and ADT are much greater than the interannual variations in the region.
Article
Chemistry, Analytical
Grant Lockridge, Brian Dzwonkowski, Reid Nelson, Sean Powers
Article
Astronomy & Astrophysics
Mimi W. Tzeng, Brian Dzwonkowski, Kyeong Park
EARTH AND SPACE SCIENCE
(2016)
Article
Oceanography
Jiabi Du, Kyeong Park, Jian Shen, Brian Dzwonkowski, Xin Yu, Byung Il Yoon
JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
(2018)
Article
Oceanography
Brian Dzwonkowski, Severine Fournier, Kyeong Park, Steven L. Dykstra, John T. Reager
JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
(2018)
Article
Environmental Sciences
Jorge Vazquez-Cuervo, Severine Fournier, Brian Dzwonkowski, John Reager
Article
Oceanography
Jeffrey Coogan, Brian Dzwonkowski, John Lehrter
JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
(2019)
Article
Geosciences, Multidisciplinary
Jungwoo Lee, Bret M. Webb, Brian Dzwonkowski, Arnold Valle-Levinson, Jun Lee
JOURNAL OF MARINE SYSTEMS
(2019)
Article
Oceanography
S. Fournier, J. T. Reager, B. Dzwonkowski, J. Vazquez-Cuervo
JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
(2019)
Article
Limnology
Adam T. Greer, Adam D. Boyette, Valerie J. Cruz, Mustafa Kemal Cambazoglu, Brian Dzwonkowski, Luciano M. Chiaverano, Steven L. Dykstra, Christian Briseno-Avena, Robert K. Cowen, Jerry D. Wiggert
LIMNOLOGY AND OCEANOGRAPHY
(2020)
Article
Multidisciplinary Sciences
B. Dzwonkowski, J. Coogan, S. Fournier, G. Lockridge, K. Park, T. Lee
NATURE COMMUNICATIONS
(2020)
Article
Environmental Sciences
S. L. Dykstra, B. Dzwonkowski
Summary: The study found that intensifying precipitation led to a decrease in precipitation-discharge lag times, increasing river flood frequency and the likelihood of compound events in the fluvial-marine transition zone. The results also demonstrated that precipitation and river discharge play critical roles in coastal flooding, which will likely escalate as the climate continues to warm and intensify precipitation.
WATER RESOURCES RESEARCH
(2021)
Article
Oceanography
B. Dzwonkowski, S. Fournier, G. Lockridge, J. Coogan, Z. Liu, K. Park
Summary: This study used observational data to identify the events leading to storm-favorable thermal conditions prior to Hurricane Sally's transit over the Mississippi Bight, resulting in rapid intensification of the storm over the shelf. Multiple warming periods over 25 days transitioned the system from below average to above average thermal conditions, highlighting the potential risk for storm intensification over regions with warm sea surface temperatures and climatological downwelling winds.
JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
(2021)
Article
Oceanography
Steven L. Dykstra, Brian Dzwonkowski, Raymond Torres
Summary: This study investigates the effects of variable river discharge on tide-river interactions in a low-energy tidal environment. The results show that river events amplify tides in seaward regions and attenuate tides in landward regions, creating a region of river-induced peak amplitude seaward of the flood limit. River discharge has a greater impact on tidal currents than water levels, leading to a dynamic phase lag. The longitudinal shifts of river impacts on tides can be estimated analytically using the ratio of river discharge to tidal discharge and the geometric convergence of the system.
JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
(2022)
Article
Oceanography
B. Dzwonkowski, S. Fournier, G. Lockridge, J. Coogan, Z. Liu, K. Park
Summary: This study identified spatial variations in sea surface temperatures across the inner core of Hurricane Sally (2020) using a combination of in situ and satellite data, with implications for storm intensity and rapid intensification processes.
JOURNAL OF PHYSICAL OCEANOGRAPHY
(2022)
Article
Oceanography
Uchenna Nwankwo, Stephan Howden, Dmitri Nechaev, Brian Dzwonkowski
Summary: Sea level studies are lacking in the Mississippi Bight compared to other coastal waters in the USA. This study focused on subinertial sea level anomalies in the Mississippi Bight shelf and found that the geostrophic balance is the dominant factor influencing these anomalies. Using radar surface currents data and various analytical methods, the researchers were able to estimate and validate the subinertial sea level anomalies, with reasonable accuracy, by considering the geostrophic balance. The study also highlighted the importance of deploying Global Navigation Satellite System buoys for accurate absolute sea level estimation.
JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
(2023)