Day in the Life of the Hudson River 10/4/12 Data RIVER MILE 18 Vicki Garufi - Beczak Environmental Education Center Harry Hall - Saunders Trade & Technical High School Lisa Flaster, Riverdale Country School th th (20 students) 10 -11 grade, 1 teacher, (28 students) 3rd graders, 1 teacher and 2 educators Latitude – N 40.93813129121615 Latitude – W -73.90288889408111 Location: Habirshaw County Park, Seining beach, Beczak Center, Yonkers in Westchester County Area: 2 acre riverfront county park covered mostly by a grass lawn leading down to the river where it meets a tidal wetland and sandy beach. Property used for fishing, boats, seining, field trips and education programs - 60% grassy, 20% parking lot, 20% shore Surrounding Land Use: urban/residential, beach uses Sampling Site shoreline: sandy beach, tidal marsh area covered with vegetation, sandy area, banks altered, large riprap on shoreline, collected wood/debris in area, Plants in area: no plants in the water Water depth – 3 feet River Bottom – muddy (sticky), rocky, weedy Plants ITEM Time Physical Air Temperature 10:20 AM – 10:33 AM – 10:50AM – 11:17 AM – Reading 1 Reading 2 Comments 22C 75F Beaufort 1 1-3 km/hr 1-3 kts South 22C 75F Beaufort 1 1-3 km/hr 1-3 kts South 21C 72C Beaufort 1 1-3 km/hr 1-3 kts South 22C 73C Beaufort 1 1-3 km/hr 1-3 kts South Cloud Cover 100% cloudy Cloud Cover 100% cloudy Cloud Cover 100% cloudy Cloud Cover 100% cloudy 11:30 AM Weather today Weather recently Water calm Water Temperature – Turbidity – sight tube – Salinity – hydrometer (H) & Quantab (Q) Cloud Cover 100% cloudy Just started to rain as the final group headed indoors (noonish) Humid, some rain calm 10:20 AM 20C 68 F 10:25 AM 20C 68 F 10:45 AM 20C 68 F 11:00 AM 20C 68 F 11:27 AM 21C 69.8 F 11:30 AM 21C 69.8 F 11:39 AM ft. 21C 69F Group 1 Group 2 Group 3 Group 4 10:56 AM Time 26 cm 30 cm 32 cm 33 cm 0.1 Temp 11:26 AM DO 0.3 Saturated 20C 6 mg/L 65% 20C 7 mg/L 75% 11:30 AM 12:00 PM 10:15 AM 10:45 AM 11:24 AM 10:20 AM – 20C 20C 6 7 7 14 ppt (H) 3 mg/L 3 mg/L 10:17 AM 10:56 AM 11:39 AM 8 ppt (Q) Chl 10:30 AM 8 ppt (H) 8 ppt (Q) Chl 30% 30% 6 7 7 Converts to 14 ppt total salinity Converts to 14 ppt total salinity Chlorophyll Chemical – collected on the bridge by marsh DO Hach drop 10:30 AM count 11:00 AM pH – test strips 22C 71C Beaufort 1 1-3 km/hr 1-3 kts South 11:00 AM 11:15 AM 11:20 AM 11:40 AM Fish Catch Number Caught Seine net 30 feet 40 X 4 ft., 1.4 inch mesh 10:00 - noon 1 2 5 2 10:16 AM Tides 10:34 AM 10:42 AM 11:02 AM 11:15 AM 11:25AM 11:30AM Currents 10:20 AM. 10:34 AM 10:45AM 11:16 AM 11:26 AM 11:35 AM Core Sample Entire Length Grabbed a Group 1 handful from River sample the beach side Group 2 Marsh 5 inch total 3 inch top Sample 2 inch bottom Other Items 7 ppt (H) 7 ppt (H) 8 ppt (H) 10 ppt (H) Species Size of largest Notes Atlantic Silverside Banded Killifish Blue Crab Moon Jellies Comb Jellies 19 cm 25 cm 30 cm 37 cm 41 cm 43 cm 44 cm rising rising rising rising Grain Size Large grain flood flood flood flood flood flood Smell No smell Fine grain Yes Description Mix of rock and pebbles Found a full open clam! Black in color, feels soft like clay, small worms and clams found. Monarch butterfly flew across sample area at 11:35 AM, Clam found in marsh sediment, Rat swam across marsh to beach! Canadian geese flying around park, Mallard ducks swim around marsh.