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INDEX ITINERARY SIGNUP| T1 AM Contaminat Cycling Assessment and
Prevention in the NY/NJ Harbor (Part 1) (LIT-1117-136328)
Landscape, agriculture, demographics and the delivery of
suspended sediment to New York Harbor. Litten, S1, Wall, G2, 1
New York State Department of Environmental Conservation, Albany,
New York, USA2 U.S. Geological Survey, Rensselaer, New York, USA
ABSTRACT- Ninety percent of the freshwater entering New York
Harbor comes through the 150 mile long Hudson Estuary. Most of
the mercury, DDT, and dioxins and much of the PCB move attached
to suspended sediment (SS). Initial questions about the
timescale of transport from upstream sites where loads were
measured to the harbor are being examined through daily
monitoring of SS at head-of-tide sites and data generated by an
acoustic Doppler current profiler located in the mid-Hudson. SS
loading events seen upstream are very quickly mirrored
downstream and spring-neap tides are seen to