Drifting Buoys, RMRP 1995

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Drifting Buoy Information:

Five satellite tracked drifting buoys were deployed between 3-4 April 1995 by the RV Argo Maine. All five were drogued at a depth of 40 meters. The drifting buoys transmitted via Service Argos and between 4 and 6 positions were received daily for most of the buoys. The table below lists the deployment positions along with the date and position of the last transmission.

Data Processing:

The positions calculated by Service Argos were edited using a default speed criterion of 6 knots, eliminating unrealistic positons. The cleaned time series were fit by a cubic spline and interpolated to hourly positions. The hourly positions were low-pass filtered to remove any tidal effects.

Data Display:

The smoothed position time series are shown for each buoy. The symbols on the plots are every seven days, starting on 6 April 1995 at 0000z. Labels indicating the date are placed every four weeks.

PTT	Drogue Depth	Date Deployed	Latitude	Longitude	Last Date	Latitude	Longitude
8176	40 m	3 April 1995	43° 18.0´N	67° 37.2´W	31 Dec 1995	51° 11.6´N	44° 59.4´W
8177	40 m	4 April 1995	43° 33.0´N	67° 40.2´W	31 Dec 1995	39° 54.5´N	55° 28.4´W
8589	40 m	3 April 1995	42° 50.7´N	67° 50.5´W	08 Aug 1995	40° 50.0´N	68° 58.0´W
22507	40 m	4 April 1995	43° 09.5´N	67° 23.4´W	30 Dec 1995	35° 17.9´N	46° 05.5´W
22940	40 m	4 April 1995	43° 49.3´N	67° 33.1´W	31 Dec 1995	43° 42.6´N	65° 21.7´W