SEA Currents: SSV Corwith Cramer
A Sweet Day on the Corwith Cramer
18° 31’N x 065° 29’W
28 nautical miles east of San Juan
Good afternoon from the SSV Corwith Cramer. We are excited to be celebrating Sarah P's birthday today! Sarah (UConn) and the rest of B watch had breakfast at 0620 this morning. What a treat: Assistant Steward Ger made scrumptious cinnamon rolls!
After breakfast, the watch came up on deck to begin their science Super Station. Here the water is relatively shallow (360 m or 1180 ft deep) so we were able to use our sediment grab to scoop some carbonate mud off the bottom. In with the mud were a few small shells and a live brittle star. We collected water samples from several different depths in the ocean and also recorded some of the water's properties along the way (including temperature, salinity, oxygen, and light). We measured light attenuation by deploying spheroids of different colors. We finished the station with samples of organisms from the surface, both microscopic plants (in the fine mesh phytoplankton net) and animals and floating seaweed (in the larger mesh neuston net).
This afternoon all hand gathered for classes on the Law of the Sea and a hands-on nautical science class related to sail handling. Our academic class was interrupted by a man overboard drill. All hands quickly responded to retrieve the buoy. Once the drill was debriefed, our afternoon snack was birthday brownies with rainbow sprinkles. Then students took turns in watches gybing the ship, which means turning away from the wind and then adjusting the sails to continue in a new direction. First Chief Mate Sara Martin (Williams-Mystic S04) explained to A watch what B and C watches were doing under the direction of other professional crew. Then, each watch rotated through observing the big picture and handling the lines.
Tonight we continue heading east and south toward shallow waters off St. John, USVI.
Until next time,