Experiment name: ACM29 (Labrador Sea) Principal Investigator: P.Rhines/J.Lazier PI's affiliation: Bedford Inst Oc Mooring Name: 1168 Mooring position: 56.753 deg N, 52.455 deg W Instrument depth: 110 meters Seafloor depth: 3510 meters Times: starts 29 May 1994, ends 13 Jun 1995 Time increment: 60 minutes Instrument type: Aanderaa RCM8 parameter min mean max sd days speed (cm/sec) 1.10 11.43 58.93 7.32 329.0 dir (deg true) 0.08 204.58 359.83 93.75 329.0 u (cm/sec) -37.30 -2.20 26.58 8.90 329.0 v (cm/sec) -26.42 -1.11 57.14 9.95 329.0 temp (deg C) 2.04 2.92 3.85 0.31 380.4 pressure (db) 129.32 147.37 365.70 30.80 380.4 Speed and direction end approximately 51 days early, at line 7897 (0100 23 Apr 95). About 8.5% of the speeds recorded prior to that point were at or below the current meter's threshold and have been set to 1.1 cm/sec. CMDAC notes that speed was also below threshold during the 51-day segment that was removed. This and other factors suggest that some of the earlier below- threshold speeds, particularly those near the end of the record, may also have been caused by a sensor failure. In cases where the speed was lower than the threshold, the instrument did not register a meaningful direction. The file provided to CMDAC contained null directions in these instances. In order to provide continuous time series CMDAC has replaced the null directions with linear interpolations in the portion of the record prior to line 7239 (1500 26 Mar 95). Most of the gaps subsequent to that point are too broad to bridge. The pressure sensor went offscale in lines 7505 - 7550 (1700 6 Apr 95 - 1400 8 Apr 95).
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