Snapshot Day 10/18/11 (Salt Front RM 35.7) HARLEM RIVER MILE 13 Swindler’s Cove Park on the Harlem River Omari Washington, Jasmine Santana, Ifeoma Nwoke, Joseph Hayes, New York Restoration Project and 4 other educators (8 total) Queila Cordera, Amistad Dual Language School 5th grade PS/MS311 (45 students), Anne Marie Nowak, Booker T. Washington MS 54 8th grade (40 students) , Ms. Fenyo, Ms. Milligan, Ms. Cuevas, Ms. Lopez, Ms. Blumentritt, Ms. Feng, PS 5 Ellen Lurie School– 5th grade and 4th grade (130 students!) (225 students total!) GPS Latitude 40 51’36”N – Longitude 7355’12”W 40° 86 N -73° 92 W Location: Beach at Swindler Cove Park, next to the north end of Harlem River Drive, Manhattan Area: There is a pier, beach, floating boathouse with a dock. Area used for boating, rowing, biking, walking, school groups Surrounding Land Use: 98% Urban/residential, 2% beach Sampling Site: Beach area, covered with vegetation, rocky, and altered banks Plants in area: Spartina and phragmites Water depth: River Bottom: sandy, muddy & rocky bottom Plant Names: ITEM Time Physical Air Temperature Sampling occurred between 10:00 AM to 2:00 PM 11:00 AM 21C 69.9 F 11 AM Beaufort 6.12 km/hr Force #2 South Partly Clearing Light cloudy throughout precipitation the day early in day Light rain Clearing after early in day Overcast, light rain at night – temps like today Wind Speed Cloud Cover Weather today Weather recently Water Water Temperature Turbidity Chlorophyll Chemical DO pH – AM Reading 1 8 AM 9 AM 10 AM 11AM 12PM 1PM 8:45 AM TIME 8 AM 20C 68 F 36 cm 34 cm 32 cm 32 cm 31 cm 29 cm 2.0 DO 6 ppm 9 AM 6 ppm 10 AM 7 ppm 11 AM 7 ppm 12 PM 8 ppm 1 PM 8 ppm 8AM 9AM 7 7 Reading 2 1:00 PM Temp 17.6C 64F 18.1C 65F 19.2C 67F 19.2C 67F 20.9C 70F 20.9C 70F 11 AM 12 PM Comments 2.0-3.0 7.5 8 Salinity Fish Catch – more than 30 seine attempts made during day 18 AM catch 25 PM catch Macros Tides Currents Core Sample Sediments 1st core 2nd core 10 AM 8AM 9AM 10AM 11AM 12 PM 1 PM Species 7.5 12 ppt 12 ppt 11 ppt 10 ppt 9 ppt 8 ppt Number caught Killifish White Perch Smallmouth Bass Silversides Bluegill Blue Crabs Comb Jellies 8:56 AM 9:21 AM 10:00 AM 1:00 PM 9:05 AM 9:46 AM 10:09 AM Length ~10 1 7 cm – no layers 1PM 8 Size 4 inch 8 inch 2 plenty 2 9 15 ft. 14 ft. 13 ft. 12 ft. 44.19 cm/sec 56.89 cm/sec 72.12 cm/sec Common Fine grain (98%) Large grain 2% Clay common, mud abundant Sand, gravel, pebbles rare 11 cm – top Fine grain layer 4 cm, 99%; large bottom 7 grain 1%, cm Clay common, mud abundant Sand, gravel, 4 inch 3 inch (3 AM, 6 PM) 457.2 cm 426.7 cm 396.2 cm 365.8 cm Present Description 1 leaf, old oyster shell part, 2 rocks present; Piece of wood, 1 rock present old oyster shell, tiny worm discovered pebbles rare Traffic Other Circle line sightseeing cruise headed north Laughing gulls spotted in sampling site