–74.15
–74.10
–74.05
–74.00
–73.95
–74.15
–74.10
–74.05
–74.00
–73.95
40.6
40.8
(a)
(b)
(c)
G.Washington Bridge
Manhatten
Upper New York Bay
Lower New York Bay
Newark Bay
Hudson River
Staten Island
Long Island
East River
Longitude
Latitude
G.Washington Bridge
Manhatten
Upper New York Bay
Lower New York Bay
Newark Bay
Hudson River
Staten Island
Long Island
East River
0
0.0
0.5
1.0
CDOM Fluorometer/V
1.5
10
20
30
Plate 12. (Top) CDOM as a function of salinity in the Hudson Estuary during ebb and flood tides,
respectively. (Bottom) Colors of data symbols correspond to colored portions of cruise tract on the
map. Note the yellow CDOM contribution (presumably sewage-derived CDOM) during the ebb tide
(top left) that is not observed in the shipping channel during the flood tide (top right).