Academics | School for Marine Science & Technology – UMass Dartmouth

UMass Dartmouth’s School for Marine Sciences & Technology (SMAST) is a premier educational and research program located in the heart of New Bedford, MA, the nations #1 fishing port. SMAST offers a wide array of choices for advanced degrees in marine science, with emphasis areas in ocean sciences, fisheries sciences, ocean technology, marine resource economics, and marine policy.
As a student in our program, you will engage in curiosity-driven and societally relevant research and learning in an interdisciplinary environment that involves observations, modeling, experimentation, and theory.
You will work with faculty members who are leaders in their professional fields and are active in research at regional, national, and international levels. As a graduate of our program, you will have opportunities to work in academia, government, and the private sector.
Join one of our programs and become part of the next generation of marine scientists.
SMAST is also part of the system-wide University of Massachusetts Intercampus Marine Science (IMS) Program, granting the MS and PhD degrees. As a student enrolled in the IMS Program, you gain access to marine sciences resources within the entire University of Massachusetts (UMASS) System.
UMass IMS program offers seven (7) option areas to choose from, providing you with a broad spectrum to study–from the boundless nature of our outer atmosphere to the microscopic inner workings of the human body.
Learn more about the IMS option areas of study.
SMAST students work independently as well as collaboratively with some of the most highly regarded oceanographic institutions to pursue a range of leading-edge research projects, including (but not limited to) the following areas: 
SMAST
SMAST East
836 South Rodney French Blvd.
New Bedford, MA 02744-1221

SMAST West
706 South Rodney French Blvd.
New Bedford, MA 02744-1221
508-910-6550
asksmast@umassd.edu

SMAST East 101-103 and Via Zoom Abstract: A GIS-based census of Gulf Stream (GS) cyclonic eddies was compiled using synoptic oceanographic analysis charts of the GS and its mesoscale eddies and filaments. The charts employ SST, altimetry, and field observations to map the path of the GS, location and size of warm and cold eddies and adjacent filaments. This census accounts for all cyclonic eddies from 2000-2022 in the Sargasso Sea between the GS extension and 33N. Dates of birth and demise for cyclonic eddies from 2000-2019 reported by Silver et al. 2021 was the reference to begin this census, which now details digitized location and size of cyclonic eddies and other key parameters such as annulus and inner core areas. Findings suggest different cyclonic eddy formation types: pinch-off ring, hook-type eddy, and Sargasso cyclonic eddies. Pinch-off rings form from a GS meander through amplifying, then encircling Slope Sea water and eventually detaching from the GS as a cyclonic cold-core ring in the Sargasso Sea. Hook-type eddies form from a southward extending filament of the GS’s southern flank establishing as a hook-like entity cyclonically encircling a body of Sargasso Sea water at its core. Sargasso cyclonic eddies are isolated from the Gulf Stream and occur in the Sargasso Sea. Analyses of the census showed that the formation of cyclonic eddies peaks in Spring. Hook-types are observed most often, followed closely by pinch-off rings and Sargasso eddies. Hook-types form preferentially west of the New England Seamount Chain, while pinch-off rings often occur over and east of the Chain. Using this new census as well as SST and Argo float data over the last two decades, the spatial distribution, vertical structure, seasonality, interannual variability, size, and lifespan of cyclonic eddies in the Gulf Stream-Sargasso region is examined.
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Last modified: Mon, Apr 22, 2024, 10:27 by Daryl Poeira

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