Sociology and Anthropology Courses
Sociology and Anthropology courses can be found in the UMass Dartmouth Course Catalog.
Sociology and Anthropology courses can be found in the UMass Dartmouth Course Catalog.
Associate Professor / Chairperson
Sociology / Anthropology
Liberal Arts 392G
508-999-8405
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Opportunity Knocks: MEDITECH is hiring! They have a number of open roles that will allow you to have a hand in shaping the future of healthcare. From development to sales representatives to database administrators each of these roles allows you to make an impact. MEDITECH will be in the Library Living Room lobby. Stop by and see what opportunities are waiting for you!
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"Multiscale Discontinuous Galerkin Method for Schrodinger Equations" - Abstract: In this talk, we will introduce a high-order multiscale discontinuous Galerkin (DG) method for stationary Schrodinger equations in quantum transport. Due to the oscillatory nature of the solutions, traditional numerical methods require extremely refined meshes to capture the small scale structure, resulting in the high computational cost. Our multiscale method applies WKB asymptotic to construct non-polynomial multiscale basis functions so that it can capture the solution better on coarse meshes. We will first present our approach for the 1D case and then extend our approach to a special 2D case where the solution exhibits oscillations mainly in one direction. Numerical results and error estimates will also be provided. Contact: zchen2@umassd.edu, vvarma@umassd.edu.
Textiles Building 105
Department of Estuarine and Ocean Sciences "Uncovering the history of the Bering Land Bridge using the Arctic Ocean's nitrogen cycle" Jesse Farmer, Assistant Professor in the School for the Environment at the University of Massachusetts Boston Wednesday, October 23, 2024 12:30-1:30pm SMAST E 101-102 and via Zoom Abstract: Beringia, the region between the Lena River in northeastern Russia and the Mackenzie River in northwestern North America, has experienced profound changes in relative sea level that fundamentally reshaped Northern Hemisphere terrestrial and ocean connections. Today, Beringia centers on the Bering Strait, a ~50 m deep gateway that links the Pacific and Atlantic Oceans via the Arctic Ocean. This modern arrangement has been ephemeral over recent Earth history, with a ~1000 km-wide land bridge at the Last Glacial Maximum (LGM, ~20,000 years ago) providing the long-proposed route by which humans first migrated to North America. However, direct information on past Beringian sea level has only existed for times after the LGM. This greatly limits our knowledge of the timing of and environmental context for past migrations, including that of our human ancestors. Here I will present new reconstructions of past Bering Strait flooding using foraminifera-bound nitrogen isotopes to trace the fingerprint of Pacific nitrogen input into the Arctic Ocean. Results show that the Bering Strait was flooded immediately prior to the LGM and date the formation of the Bering Land Bridge to ~36,000 years ago. These results require much higher global mean sea level prior to the LGM than previously thought, and limit the duration over which the land bridge was available for terrestrial migrations. Corroborating evidence for a late land bridge formation from terrestrial paleogenomics will be presented. Finally, I will discuss preliminary results from an extension of the nitrogen isotope approach back to ~130,000 years ago. ---------------------------------------------------- For additional information, please contact Callie Rumbut at c.rumbut@umassd.edu
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Department of Fisheries Oceanography "Linking Knowledge to Action for Climate Ready and Resilient fisheries the Gulf of Maine" Jocelyn Runnebaum, Marine Scientist, The Nature Conservancy Wednesday, October 23, 2024 3pm-4pm SMAST E 101-102 and via Zoom Abstract: Climate change is already and will continue to have far-reaching and multiscale impacts on fisheries, fisheries management, and fishing communities in the Gulf of Maine. Ocean temperatures are warming two to three times faster than the average global rate and commercial landings are near the lowest levels observed for this ecosystem, with several species experiencing historically low population levels. To understand New England harvester's perceptions of the impacts of climate change on themselves, their communities, the ecosystem, and commercially important species in the region we conducted a survey from Maine to Connecticut in 2020. We found that respondents wanted climate change and harvester observations to be considered in fisheries management. We also found that those that believe in climate change see themselves as more vulnerable to its impacts. Calls for fisheries to be climate-ready and climate-resilient have become almost ubiquitous across the fishery management system to with an aim to improve the adaptive capacity of harvesters and to sustain the resilience of changing ecosystems. However, it seems like the scientific information on climate change is not making its way into the fisheries management process in a timely manner. Through an evaluation of the fisheries management process, it is possible to identify how to link knowledge to action for achieving climate ready fisheries management. This includes understanding where specific onramps for climate information and place-based knowledge are in the current process and specific actions at each onramp for how to utilize climate and ecosystem information and diverse knowledge types to inform decision making. This will be a personal, policy, and scientific journey on striving for meaningful outcomes for the Gulf of Maine. For additional information, please contact Callie Rumbut at c.rumbut@umassd.edu
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Last modified: Fri, Nov 6, 2020, 04:38 by Daryl Poeira
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