Undergraduate Research: An Archive - 2021 Program
Emma McMahon ’21 GEOSCIENCES Certificate in Environmental Studies CLIMATE AND ENVIRONMENTAL SCIENCE THESIS TITLE The Response of the Urban Heat Island to El Niño-Southern Oscillation ADVISER Gabriel Vecchi, Professor of Geosciences and the High Meadows Environmental Institute The Urban Heat Island (UHI) refers to the tendency of a city to be warmer than surrounding rural areas. El Niño-Southern Oscillation (ENSO) has been found to contribute to UHI variability. However, there are few studies in the literature that examine the relationship between the UHI and ENSO. We used a coupled climate model with an urban component to develop a more comprehensive study of UHI responses to ENSO on a regional scale. We focused on South Asia, investigating how the response of UHI to ENSO differs across different climate regimes and seasons within the region. We found that there is an urban cool island during both the arid pre-monsoon summer and the humid monsoon season in the mean state. El Niño intensifies this mean-state trend in humid regions and opposes it in arid regions. Inversely, La Niña intensifies the mean state in arid nighttime and opposes it in humid daytime. 23
Levy Nathan ’21 GEOSCIENCES Certificate in Environmental Studies THESIS TITLE A Dive into the Chesapeake Bay: An Investigation of the Parameters Shaping Nitrous Oxide Distribution ADVISER Bess Ward, William J. Sinclair Professor of Geosciences and the High Meadows Environmental Institute Estuaries such as the Chesapeake Bay act as hot spots for anthropogenic nitrous oxide (N 2 O) fluxes to the atmosphere, and their role in the distribution of N 2 O is critical to understand since N 2 O is a potent greenhouse gas. During two cruises to the Chesapeake Bay in October 2019 and August 2020, water samples were collected at two stations to investigate the seasonal and spatial parameters shaping N 2 O distribution in the bay. One station, at the mouth of the bay, resembles a marine environment with low nutrient conditions, while the second station is further up the estuarine system of the bay and has high freshwater and nutrient input from rivers. Overall, N 2 O distribution in the bay is strongly determined by the concentration of oxygen, which is likely due to oxygen’s regulation of microbial consumption and production of N 2 O. CLIMATE AND ENVIRONMENTAL SCIENCE 24
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- Page 5 and 6: Brendan Raville 20 Emily Reinhold 4
- Page 7 and 8: ENVIRONMENTAL HUMANITIES AND CULTUR
- Page 9 and 10: Favour Oribhabor ’21 CIVIL AND EN
- Page 11 and 12: Janaya Bruce ’21 MOLECULAR BIOLOG
- Page 13 and 14: Hana Jiang ’21 ECOLOGY AND EVOLUT
- Page 15 and 16: THESIS TITLE Conspicuousness and Cr
- Page 17 and 18: Luca Kuziel ’21 ECOLOGY AND EVOLU
- Page 19 and 20: Olivia Meyers ’21 ECOLOGY AND EVO
- Page 21 and 22: Brendan Raville ’21 ECOLOGY AND E
- Page 23: Enzo Dominguez ’21 CHEMISTRY Seni
- Page 27 and 28: Rebecca Mays ’21 CHEMICAL AND BIO
- Page 29 and 30: Charlotte Wallace ’21 MECHANICAL
- Page 31 and 32: Jimin Kang ’21 SPANISH AND PORTUG
- Page 33 and 34: Mollie Price ’21 ENGLISH Certific
- Page 35 and 36: THESIS TITLE Fight or Flight Respon
- Page 37 and 38: THESIS TITLE Linking Changes in NO
- Page 39 and 40: Julia Harisay ’21 SCHOOL OF PUBLI
- Page 41 and 42: Hans Imhof ’21 SCHOOL OF PUBLIC A
- Page 43 and 44: Lauren McGrath ’21 ANTHROPOLOGY S
- Page 45 and 46: Emily Reinhold ’21 SCHOOL OF PUBL
- Page 47 and 48: Willemijn ten Cate ’21 ECOLOGY AN
- Page 49 and 50: Casey Conrad ’21 GEOSCIENCES Cert
- Page 51 and 52: Beverly Shen ’21 SCHOOL OF PUBLIC
- Page 53: High Meadows Environmental Institut
Levy Nathan ’21<br />
GEOSCIENCES<br />
Certificate in Environmental Studies<br />
THESIS TITLE<br />
A Dive into the<br />
Chesapeake Bay: <strong>An</strong><br />
Investigation of the<br />
Parameters Shaping<br />
Nitrous Oxide<br />
Distribution<br />
ADVISER<br />
Bess Ward, William J.<br />
Sinclair Professor of<br />
Geosciences and the<br />
High Meadows<br />
Environmental Institute<br />
Estuaries such as the Chesapeake Bay act as<br />
hot spots for anthropogenic nitrous oxide (N 2<br />
O)<br />
fluxes to the atmosphere, and their role in the<br />
distribution of N 2<br />
O is critical to understand<br />
since N 2<br />
O is a potent greenhouse gas. During two<br />
cruises to the Chesapeake Bay in October 2019<br />
and August 2020, water samples were collected<br />
at two stations to investigate the seasonal and<br />
spatial parameters shaping N 2<br />
O distribution<br />
in the bay. One station, at the mouth of the<br />
bay, resembles a marine environment with low<br />
nutrient conditions, while the second station is<br />
further up the estuarine system of the bay and<br />
has high freshwater and nutrient input from<br />
rivers. Overall, N 2<br />
O distribution in the bay is<br />
strongly determined by the concentration of<br />
oxygen, which is likely due to oxygen’s regulation<br />
of microbial consumption and production of N 2<br />
O.<br />
CLIMATE AND<br />
ENVIRONMENTAL SCIENCE<br />
24
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