MESI: A Multiparameter Eddy Significance Index

Roman‐Stork, Heather L.; Byrne, Donn; Leuliette, E. W.

doi:10.1029/2022ea002583

Cited by 7 publications

(7 citation statements)

References 76 publications

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“…The Core Argo float hydrographic profiles and associated mixed layer were then associated with an eddy type; anticyclonic eddy, cyclonic eddy, or no eddy using the adapted multiparameter mesoscale eddy tracking method discussed in Sections 2.3 and 2.4 (Roman‐Stork et al., 2023). Across the entire Gulf of Mexico domain, on average there were 42 (±11) anticyclonic eddy profiles, 43 (±9) cyclonic eddy profiles, and 57 (±14) no eddy profiles for each month from 2003 to 2022 within 28.5–25.5°N, 95.8–89.3°W (Figure S1 in Supporting Information ).…”

Section: Methodsmentioning

confidence: 99%

“…The eddy field surrounding FGBNMS was compared to the surrounding Gulf of Mexico using the MUltiparameter Near real time System for Tracking Eddies Retroactively (MUNSTER). MUNSTER, in development at NOAA's Laboratory for Satellite Altimetry, uses a closed contour eddy tracking methodology based on NOAA Radar Altimeter Database System (RADS) SLA and geostrophic currents (Chaigneau et al, 2008(Chaigneau et al, , 2009Pegliasco et al, 2015;Roman-Stork et al, 2023;Scharroo et al, 2013). This method also tracks additional multiparameter variables, that is, SST, sea surface salinity, and ocean color chlorophyll-a.…”

Section: Multiparameter Mesoscale Eddy Trackingmentioning

confidence: 99%

“…For the analysis performed in this study, a modified extended version of MUNSTER (Roman-Stork et al, 2023) was used based on the CMEMS SLA fields rather than the NOAA RADS fields (Ducet et al, 2000;Le Traon et al, 1998). Error estimates can therefore be derived from altimetry and the closed-contours (Chaigneau et al, 2008(Chaigneau et al, , 2009Ducet et al, 2000;Le Traon et al, 1998;Pegliasco et al, 2015;Taburet et al, 2019).…”

Section: Multiparameter Mesoscale Eddy Trackingmentioning

confidence: 99%

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Mesoscale Eddies Influence Coral Reef Environments in the Northwest Gulf of Mexico

McWhorter,

Roman‐Stork,

Le Hénaff

et al. 2024

JGR Oceans

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Coral reefs globally are experiencing more frequent and severe warming events due to anthropogenic driven climate change. Subtropical reefs experience more seasonal variability than lower latitude reefs making them typically more resilient to climate change. With relatively stable coral cover in comparison to other global coral reefs, Flower Garden Banks National Marine Sanctuary (FGBNMS) in the Gulf of Mexico is a series of 17 reefs and banks located on the continental shelf‐edge containing a variety of shallow (0–30 m) and mesophotic (30–150 m) coral reef habitats. Here, we use satellite data products to associate open ocean Argo float profiles with eddy features over FGBNMS to study the shelf‐edge reef environment spanning nearly two decades (2003–2022). Satellite data show that FGBNMS is frequently influenced (∼15 days/month) by mesoscale eddies. The upper water column variability (0–25 m) is most influenced by the seasonal mixed layer despite eddy interaction. Subsurface seasonal ranges of temperature and salinity are enhanced or suppressed depending on the influence of eddies in relation to the mixed layer depth. Within the mesophotic zone (0–150 m), the largest range of thermal variability between anticyclonic and cyclonic eddies is between 50 and 150 m upwards of 5°C. However, these observed dynamics will likely change as a result of eddy variability associated with projected warming and Loop Current weakening, leading to increased thermal stress in the future.

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Section: Methodsmentioning

confidence: 99%

Section: Multiparameter Mesoscale Eddy Trackingmentioning

confidence: 99%

Section: Multiparameter Mesoscale Eddy Trackingmentioning

confidence: 99%

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Mesoscale Eddies Influence Coral Reef Environments in the Northwest Gulf of Mexico

McWhorter,

Roman‐Stork,

Le Hénaff

et al. 2024

JGR Oceans

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“…In order to detect eddy-like features, we employ an eddy detection and tracking algorithm first developed by Chaigneau et al, 2009), expanded by , and employed by Trott et al, 2018;Trott et al, 2019), Roman-Stork et al, 2021;Roman-Stork et al, 2023), andErnst et al (2022). Notably for our purposes, this algorithm was also successfully used by to examine mesoscale eddy characteristics in the GoM.…”

Section: Eddy Detection and Trackingmentioning

confidence: 99%

Understanding and Predicting the Gulf of Mexico Ocean Dynamics

2024

Frontiers Research Topics

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Frontiers is more than just an open access publisher of scholarly articles: it is a pioneering approach to the world of academia, radically improving the way scholarly research is managed. The grand vision of Frontiers is a world where all people have an equal opportunity to seek, share and generate knowledge. Frontiers provides immediate and permanent online open access to all its publications, but this alone is not enough to realize our grand goals. Frontiers journal seriesThe Frontiers journal series is a multi-tier and interdisciplinary set of openaccess, online journals, promising a paradigm shift from the current review, selection and dissemination processes in academic publishing. All Frontiers journals are driven by researchers for researchers; therefore, they constitute a service to the scholarly community. At the same time, the Frontiers journal series operates on a revolutionary invention, the tiered publishing system, initially addressing specific communities of scholars, and gradually climbing up to broader public understanding, thus serving the interests of the lay society, too. Dedication to qualityEach Frontiers article is a landmark of the highest quality, thanks to genuinely collaborative interactions between authors and review editors, who include some of the world's best academicians. Research must be certified by peers before entering a stream of knowledge that may eventually reach the public -and shape society; therefore, Frontiers only applies the most rigorous and unbiased reviews. Frontiers revolutionizes research publishing by freely delivering the most outstanding research, evaluated with no bias from both the academic and social point of view. By applying the most advanced information technologies, Frontiers is catapulting scholarly publishing into a new generation. What are Frontiers Research Topics?Frontiers Research Topics are very popular trademarks of the Frontiers journals series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area.

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“…In order to detect eddy-like features, we employ an eddy detection and tracking algorithm first developed by Chaigneau et al, 2008;Chaigneau et al, 2009), expanded by Pegliasco et al (2015), and employed by Trott et al, 2018;Trott et al, 2019), Roman-Stork et al, 2021;Roman-Stork et al, 2023), andErnst et al (2022). Notably for our purposes, this algorithm was also successfully used by Brokaw et al (2020) to examine mesoscale eddy characteristics in the GoM.…”

Section: Eddy Detection and Trackingmentioning

confidence: 99%

Characteristics of submesoscale eddy structures within mesoscale eddies in the Gulf of Mexico from 1/48° ECCO estimates

et al. 2023

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Submesoscale oceanic structures (<10-20 km) such as eddies and fronts are often difficult to describe given the influence of the mesoscale. In order to characterize the surface signatures of submesoscale structures, we utilize a custom spatial filtering function to separate the meso- and large-scale sea surface height (SSH) signal from the small scale SSH signal of 1/48° high resolution estimates provided by NASA’s Estimating the Circulation and Climate of the Oceans (ECCO) project. In this study, we use ECCO estimates from a 14-month global simulation between September 2011 and November 2012 with a 2 km horizontal grid spacing in the Gulf of Mexico. We then use an eddy detection and tracking algorithm to identify persistent circular features on both scales, giving rise to an atlas of submesoscale eddy-like variabilities (SEVs). We briefly investigate the geographic and temporal variability of SEVs as a whole before collocating SEVs inside mesoscale eddies, allowing us to evaluate the characteristics of internal SEVs and the impact of SEVs on mesoscale eddies. We find that SEVs, both anticyclonic and cyclonic, are ubiquitous inside mesoscale eddies with lifetimes longer than a week, accounting for an average of 10-20% of the spatial area and eddy kinetic energy of mesoscale eddies. We also show that internal SEVs are persistently associated with temperature and salinity anomalies in both eddy centers and edges of up to 0.1 °C and 0.05 psu, with anticyclonic internal SEVs being warmer and fresher while cyclonic internal SEVs are colder and saltier. Finally, we examine the life cycle of an anticyclonic Loop Current eddy, demonstrating that the number and intensity of internal SEVs within increases as the eddy approaches separation from the Loop Current until a maximum is obtained just after separation. In light of forthcoming submesoscale SSH observations from NASA’s Surface Water and Ocean Topography (SWOT) mission, our results showcase the variability of submesoscale eddy structures and their possible implications for biogeochemical cycling, the inverse energy cascade, and Loop Current prediction techniques.

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MESI: A Multiparameter Eddy Significance Index

Cited by 7 publications

References 76 publications

Mesoscale Eddies Influence Coral Reef Environments in the Northwest Gulf of Mexico

Mesoscale Eddies Influence Coral Reef Environments in the Northwest Gulf of Mexico

Understanding and Predicting the Gulf of Mexico Ocean Dynamics

Characteristics of submesoscale eddy structures within mesoscale eddies in the Gulf of Mexico from 1/48° ECCO estimates

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