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Joint 52nd Northeastern Annual Section / 51st North-Central Annual Section Meeting - 2017

Paper No. 70-3
Presentation Time: 1:30 PM-5:30 PM

MEASUREMENT OF POLLUTANT LEVELS AND ANALYSIS OF SEDIMENT DEPOSITION AND ACCRETION IN A HUDSON RIVER TIDAL MARSH


DUBOSSI, Derek1, JEANPIERRE, Deanasia2, OJEDA, Keilyn3, RAMIREZ, Cody4, PARRA, Ericka5, QUINTEROS, Erik6, DOMINGUEZ, Kelvin4, LEON, Martha7 and CHAVERO, Ulises6, (1)Laguardia High School, 100 Amsterdam Ave, New York, NY 10023, (2)Brooklyn College, 2900 Bedford Ave, New York, New York, NY 11210, (3)Niagara University, 5795 Lewiston Rd, Niagara Univ, NY 14109, (4)Bronx Center for Science and Mathematics, 1363 Fulton Avenue, Bronx, NY 10456, (5)The Young Women's Leadership School, 105 East 106th Street, New York, NY 10029, (6)Bronx Latin School, 800 Home Street, Bronx, NY 10456, (7)KIPP NYC College Prep High School, 201 E 144th St, Bronx, NY 10451, ddubossi@gmail.com

Surface sediment samples were collected from Piermont Marsh, a saltwater marsh along the Hudson River in New York State. Many marine ecosystems are threatened by sea level rise. Measuring sediment accumulation rates in the marsh can determine how sea level rise might impact the marsh in the future. The average sediment accumulation rate was measured in three parts of the marsh, Tidal, Crumkill, and Sparkill. In 2016, the overall average rate of accumulation was measured to be 2.48 mm. This was less than the rate measured in 2015 (5.66mm). Marker horizons placed 5 meters into the marsh showed lower sediment accumulation rates compared to the markers placed 25 meters inland. In addition to measuring sediment accumulation, surface sediment samples and cores were taken throughout 50+ sites in order to compare toxicity levels within the marsh. Heavy metals, PAH and PCBs were the prime focus of this testing. Heavy metal testing was conducted using an XRF machine. PAH and PCB testing are being conducted off campus and the results are yet to be received.

Session No. 70--Booth# 3

Coastal Processes (Posters)
Tuesday, 21 March 2017: 1:30 PM-5:30 PM
Urban, 17th Floor (Omni William Penn Hotel)
Geological Society of America Abstracts with Programs. Vol. 49, No. 2
doi: 10.1130/abs/2017NE-290023
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