*2014/03/13 13:41:29.49 *IOS HEADER VERSION 1.10 2011/10/26 2011/10/26 *FILE START TIME : GMT 1980/08/02 12:00:00.000 END TIME : GMT 1980/09/06 14:00:00.000 TIME INCREMENT : 0 1 0 0 0 ! (day hr min sec ms) NUMBER OF RECORDS : 843 DATA DESCRIPTION : CurrentMeter FILE TYPE : ASCII FORMAT : (f7.3,f8.2) DATA TYPE : REAL*4 NUMBER OF CHANNELS : 2 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- -------------------- --------- -------------- -------------- 1 Speed m/s 0.5E-02 0.515 2 Direction:Geog(to) degrees 10 360 $END $TABLE: CHANNEL DETAIL ! No Pad Start Width Format Type Decimal_Places !--- ------ ----- ----- ------ ---- -------------- 1 99.999 ' ' ' ' F ' ' 3 2 999.99 ' ' ' ' F ' ' 2 $END $REMARKS Original file name: From GF3 format tape. $END *ADMINISTRATION AGENCY : CANMAR PROJECT : Beaufort Sea Drilling 1980 *LOCATION GEOGRAPHIC AREA : Beaufort Sea STATION : Kenalooak LATITUDE : 70 43.62000 N ! (deg min) LONGITUDE : 133 58.08000 W ! (deg min) WATER DEPTH : 70 *DEPLOYMENT MISSION : n/a TYPE : Ship, Explorer 3 | custom item *INSTRUMENT TYPE : HydroProducts Current Meter MODEL : 950 DEPTH : 12 $TABLE: SENSORS ! Name Abs Depth Serial No ! --------- -------------- ---------- Compass 12 ' ' Speed 12 ' ' $END $REMARKS Instrument depth in metres. $END *HISTORY $TABLE: PROGRAMS ! Name Vers Date Time Recs In Recs Out ! ----------------------- ------ ---------- -------- --------- --------- CLEAN 1.1 1996/01/08 11:38:03 843 843 REMOVECH 2.0 1996/01/08 14:11:13 843 843 CHANGE_CM_CHANNEL_NAMES 1.0 2013/12/12 11:42:27 843 843 CHANGE_HEADER_INFO 1.0 2014/03/13 13:41:29 843 843 $END $REMARKS -The following CLEAN parameters were used. Reset #RECS, MIN & MAX values in header. -The following CHANNEL(S) were removed from file. temperature $END *COMMENTS The 1980-1985 Canmar current meter data were extracted from GF3 tape #ASLGF3183001 written by R. Birch of Arctic Sciences Ltd. These current meter data have been edited, checked and processed, under a contract to COGLA (Birch, 1988. Current meter and wind data collected at CANMAR drillships 1980-1986. By Arctic Sciences Ltd., Sidney, B.C., 287 p.). The following documentation was extracted from the GF3 tape. 0 *** CURRENT METER METHODS - 1980 *** 242 0 243 0 NEARLY ALL THE CURRENT DATA FOR 1980 WERE OBTAINED USING HYDROPRODUCT 244 0 MODEL 950 CURRENT METERS. AT EACH SITE A HYDROPRODUCT METER WAS 245 0 SUSPENDED FROM THE DRILLSHIP AT A DEPTH OF 12 METERS. EACH INSTRUMENT 246 0 PROVIDED DIRECT READOUT AT SURFACE OF THE CURRENTS, WHICH WERE LOGGED 247 0 HOURLY. TORSIONALLY RIGID HYDRAULIC HOSE WAS USED SO THAT THE 248 0 ORIENTATION OF THE INSTRUMENT COULD BE FIXED AND DETERMINED AT THE 249 0 SURFACE. THE DIRECTION OF THE VANE WAS THEN MEASURED RELATIVE TO THE 250 0 'IMMOBILE' INSTRUMENT CASING. THUS THE MEASUREMENT OF CURRENT DIRECTION 251 0 WAS NOT DEPENDENT ON A COMPASS WITHIN THE INSTRUMENT, WHICH WOULD NOT BE 252 0 RELIABLE DUE TO THE PROXIMITY OF THE SHIP. 253 0 254 0 THE DIRECTIONAL ACCURACY OF THE MEASURED CURRENTS DEPENDS ON HOW WELL THE 255 0 INSTRUMENTS WERE ORIENTED FROM SURFACE. EVEN IF THIS WAS ACCOMPLISHED 256 0 WITH FASTIDIOUS CARE, THE TRUE REFERENCE BEARING MAY HAVE BEEN IN ERROR 257 0 DUE TO DIFFERENCES IN THE CHART AND ACTUAL MAGNETIC DEVIATION VALUES. THE 258 0 LOCAL MAGNETIC DEVIATION, THE DIFFERENCE BETWEEN TRUE AND MAGNETIC NORTH, 259 0 HAS BEEN SHOWN TO HAVE A DAILY RANGE ON THE ORDER OF 5 DEGREES, AND MAY 260 0 DIFFER SIGNIFICANTLY FROM THAT SHOWN ON THE CHART (STEEN, PERS. COMM.). 261 0 262 0 DUE TO THESE FACTORS, IT IS BELIEVED THAT THE CURRENT DIRECTION DATA 263 0 OBTAINED WITH THE HYDROPRODUCT METERS MAY BE IN ERROR BY AS MUCH AS 30 264 0 DEGREES. 265 0 266 0 ERRORS MAY ALSO HAVE BEEN INTRODUCED DUE TO THE PRESENCE OF THE SHIP AND 267 0 THE BLOWOUT PREVENTER (BOP). THE EXPLORER DRILLSHIPS HAVE DRAFTS ON THE 268 0 ORDER OF 6 TO 7 METERS (TABLE 2-1), AND THEIR EFFECT ON THE CURRENTS AT 269 0 THE 12M INSTRUMENT DEPTH MAY HAVE BEEN SIGNIFICANT. DRILLSHIPS WERE 270 0 GENERALLY ORIENTED TO HEADINGS OF EITHER 300 OR 120 DEGREES, SO A 271 0 PREFERENTIAL FLOW ALONG THIS AXIS MAY INDICATE INTERFERENCE FROM THE 272 0 DRILLSHIP. THE BOP AND WELLHEAD ON THE SEA FLOOR MAY ALSO ALTER THE FLOW 273 0 PATTERN IN THE AREA OF THE DRILLSHIP. 274 0 275 0 MOTION OF THE DRILLSHIP IS TRANSFERRED TO THE CURRENT METERS DUE TO THE 276 0 RIGID COUPLING. THIS WAS KNOWN TO HAVE RESULTED IN ERRONEOUS DATA 277 0 PARTICLARLY WHEN SEAS WERE MOST ROUGH, GENERALLY DURING LATE-SUMMER AND 278 0 FALL. IN 1980 HEAVY ICE HELPED KEEP THE SEAS RELATIVELY CALM AND THE 279 0 SHIP MOTION WAS NOT SIGNIFICANT. 280 0 281 0 A MARSH MCBIRNEY ELECTROMAGNETIC CURRENT METER WAS DEPLOYED FOR A SHORT 282 0 PERIOD AT THE ORVILRUK SITE USING THE SAME MOORING METHOD. 283 !--1--- ---2--- !Speed Directi ! on: ! Geog( ! to) !------ ------- *END OF HEADER 0.021 360.00 0.012 88.20 0.031 130.00 0.021 146.20 0.015 180.00 0.021 250.00 0.031 310.00 0.051 315.00 0.077 340.00 0.088 360.00 0.088 15.00 0.088 15.00 0.088 45.00 0.077 145.00 0.082 165.00 0.046 200.00 0.051 225.00 0.067 245.00 0.062 260.00 0.072 285.00 0.082 300.00 0.113 320.00 0.082 360.00 0.051 45.00 0.062 80.00 0.051 100.00 0.031 165.00 0.036 195.00 0.031 180.00 0.021 170.00 0.021 190.00 0.108 270.00 0.103 250.00 0.103 90.00 0.093 30.00 0.046 90.00 0.010 10.00 0.051 120.00 0.077 135.00 0.072 120.00 0.093 180.00 0.062 210.00 0.082 225.00 0.077 275.00 0.077 265.00 0.088 305.00 0.082 320.00 0.088 360.00 0.072 40.00 0.072 70.00 0.082 105.00 0.082 135.00 0.098 160.00 0.093 170.00 0.077 220.00 0.072 250.00 0.082 300.00 0.098 340.00 0.139 360.00 0.154 45.00 0.113 90.00 0.103 90.00 0.113 95.00 0.051 110.00 0.062 135.00 0.051 155.00 0.051 180.00 0.108 300.00 0.103 320.00 0.088 360.00 0.113 15.00 0.113 15.00 0.118 35.00 0.098 45.00 0.077 60.00 0.062 95.00 0.046 140.00 0.041 165.00 0.026 180.00 0.026 190.00 0.041 200.00 0.051 230.00 0.062 260.00 0.062 290.00 0.082 340.00 0.062 60.00 0.072 90.00 0.062 180.00 0.072 200.00 0.082 190.00 0.088 200.00 0.093 245.00 0.088 250.00 0.077 280.00 0.088 300.00 0.082 315.00 0.082 360.00 0.088 360.00 0.108 360.00 0.113 135.00 0.093 170.00 0.108 225.00 0.082 270.00 0.062 300.00 0.062 180.00 0.067 90.00 0.051 50.00 0.062 30.00 0.062 45.00 0.062 45.00 0.051 55.00 0.062 55.00 0.062 100.00 0.051 110.00 0.072 225.00 0.041 110.00 0.036 200.00 0.036 70.00 0.062 65.00 0.046 70.00 0.082 90.00 0.077 105.00 0.077 120.00 0.046 155.00 0.046 145.00 0.057 175.00 0.021 175.00 0.046 150.00 0.062 45.00 0.062 65.00 0.067 75.00 0.057 100.00 0.067 100.00 0.067 110.00 0.077 120.00 0.036 120.00 0.041 110.00 0.010 135.00 0.062 225.00 0.036 40.00 0.036 50.00 0.057 75.00 0.046 90.00 0.057 95.00 0.041 110.00 0.031 140.00 0.021 120.00 0.026 105.00 0.026 315.00 0.031 360.00 0.046 30.00 0.046 70.00 0.041 90.00 0.046 90.00 0.057 135.00 0.046 200.00 0.036 265.00 0.046 270.00 0.041 310.00 0.057 310.00 0.067 300.00 0.041 310.00 0.062 279.00 0.041 70.00 0.036 110.00 0.051 150.00 0.057 160.00 0.046 185.00 0.072 195.00 0.057 215.00 0.036 260.00 0.036 290.00 0.046 295.00 0.057 315.00 0.067 325.00 0.051 30.00 0.041 60.00 0.041 65.00 0.005 145.00 0.010 155.00 0.015 165.00 0.021 175.00 0.015 185.00 0.026 225.00 0.031 260.00 0.026 280.00 0.051 300.00 0.088 305.00 0.103 310.00 0.072 360.00 0.031 360.00 0.026 360.00 0.041 210.00 0.077 210.00 0.082 230.00 0.118 245.00 0.124 260.00 0.118 265.00 0.124 275.00 0.113 275.00 0.082 290.00 0.062 310.00 0.057 330.00 0.067 275.00 0.067 225.00 0.077 225.00 0.062 225.00 0.067 230.00 0.093 225.00 0.113 255.00 0.154 270.00 0.160 275.00 0.149 300.00 0.134 305.00 0.077 315.00 0.031 360.00 0.036 105.00 0.057 210.00 0.093 225.00 0.098 225.00 0.103 240.00 0.098 255.00 0.103 270.00 0.088 245.00 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 0.057 225.00 0.062 180.00 0.088 145.00 0.082 225.00 0.113 260.00 0.108 285.00 0.088 310.00 0.051 315.00 0.021 270.00 0.026 90.00 0.026 90.00 0.051 137.50 0.088 150.00 0.046 90.00 0.072 145.00 0.072 185.00 0.077 215.00 0.062 225.00 0.077 215.00 0.077 230.00 0.031 275.00 0.026 30.00 0.041 65.00 0.041 110.00 0.051 90.00 0.088 105.00 0.103 90.00 0.118 90.00 0.082 140.00 0.082 150.00 0.108 165.00 0.093 205.00 0.113 210.00 0.088 255.00 0.088 255.00 0.084 262.30 0.082 270.00 0.072 60.00 0.093 65.00 0.093 65.00 0.139 65.00 0.139 100.00 0.185 75.00 0.180 95.00 0.041 110.00 0.046 230.00 0.051 305.00 0.051 360.00 0.113 40.00 0.144 35.00 0.160 30.00 0.165 50.00 0.180 55.00 0.180 55.00 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 0.058 18.40 0.103 45.00 0.144 45.00 0.180 45.00 0.206 60.00 0.180 90.00 0.154 90.00 0.041 110.00 0.026 140.00 0.019 60.00 0.012 40.00 0.005 45.00 0.077 50.00 0.072 45.00 0.093 60.00 0.113 40.00 0.103 45.00 0.093 45.00 0.062 55.00 0.026 200.00 0.015 210.00 0.062 210.00 0.062 270.00 0.093 280.00 0.093 260.00 0.144 300.00 0.124 300.00 0.124 60.00 0.113 55.00 0.113 50.00 0.103 65.00 0.103 65.00 0.093 90.00 0.062 50.00 0.072 225.00 0.062 270.00 0.072 360.00 0.031 360.00 0.134 360.00 0.175 360.00 0.154 360.00 0.196 360.00 0.165 45.00 0.134 50.00 0.124 120.00 0.103 160.00 0.103 180.00 0.113 200.00 0.175 230.00 0.103 270.00 0.051 360.00 0.154 300.00 0.196 310.00 0.278 315.00 0.206 360.00 0.144 50.00 0.144 50.00 0.093 120.00 0.154 120.00 0.144 170.00 0.206 185.00 0.072 360.00 0.072 360.00 0.051 360.00 0.103 360.00 0.124 360.00 0.103 360.00 0.206 50.00 0.185 60.00 0.206 100.00 0.185 135.00 0.165 145.00 0.237 165.00 0.062 180.00 0.124 270.00 0.062 360.00 0.062 360.00 0.093 360.00 0.185 360.00 0.268 20.00 0.340 45.00 0.154 70.00 0.206 90.00 0.124 105.00 0.103 105.00 0.093 180.00 0.062 260.00 0.134 250.00 0.103 250.00 0.103 280.00 0.247 315.00 0.309 360.00 0.278 45.00 0.175 50.00 0.329 60.00 0.196 90.00 0.124 135.00 0.062 180.00 0.041 360.00 0.051 360.00 0.072 315.00 0.381 300.00 0.299 315.00 0.340 330.00 0.412 30.00 0.463 30.00 0.371 45.00 0.227 60.00 0.082 135.00 0.072 190.00 0.072 290.00 0.093 305.00 0.154 310.00 0.165 310.00 0.021 315.00 0.412 360.00 0.355 340.00 0.299 45.00 0.216 45.00 0.216 50.00 0.093 65.00 0.062 50.00 0.062 360.00 0.062 300.00 0.082 360.00 0.082 320.00 0.124 325.00 0.154 330.00 0.113 330.00 0.093 330.00 0.124 360.00 0.093 45.00 0.082 75.00 0.072 90.00 0.072 135.00 0.051 225.00 0.051 279.00 0.041 270.00 0.082 315.00 0.072 320.00 0.072 360.00 0.072 360.00 0.062 75.00 0.062 90.00 0.093 115.00 0.062 100.00 0.041 135.00 0.041 90.00 0.062 100.00 0.062 80.00 0.103 120.00 0.082 135.00 0.093 165.00 0.051 140.00 0.103 180.00 0.051 215.00 0.041 225.00 0.021 180.00 0.005 165.00 0.051 80.00 0.062 90.00 0.093 110.00 0.072 90.00 0.082 150.00 0.021 170.00 0.062 200.00 0.031 255.00 0.010 290.00 0.031 315.00 0.021 360.00 0.010 50.00 0.021 360.00 0.093 90.00 0.103 120.00 0.093 130.00 0.113 130.00 0.082 180.00 0.051 210.00 0.093 230.00 0.093 270.00 0.041 325.00 0.051 345.00 0.062 50.00 0.051 110.00 0.082 120.00 0.093 140.00 0.103 190.00 0.113 180.00 0.082 190.00 0.072 115.00 0.093 270.00 0.103 300.00 0.062 320.00 0.072 360.00 0.062 50.00 0.082 125.00 0.072 150.00 0.051 180.00 0.051 150.00 0.051 210.00 0.051 200.00 0.051 200.00 0.051 270.00 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 0.041 190.00 0.021 190.00 0.062 180.00 0.031 155.00 0.010 150.00 0.021 180.00 0.021 180.00 0.013 185.90 0.005 210.00 0.005 210.00 0.005 210.00 0.032 154.00 0.062 150.00 0.062 180.00 0.051 180.00 0.051 130.00 0.062 170.00 0.072 180.00 0.093 175.00 0.072 185.00 0.108 200.00 0.113 225.00 0.072 265.00 0.041 360.00 0.051 45.00 0.062 90.00 0.062 50.00 0.062 90.00 0.051 130.00 0.041 110.00 0.051 150.00 0.031 260.00 0.082 270.00 0.093 260.00 0.093 300.00 0.072 315.00 0.082 315.00 0.041 360.00 0.051 45.00 0.051 45.00 0.041 50.00 0.051 135.00 0.021 135.00 0.010 180.00 0.072 180.00 0.093 190.00 0.093 225.00 0.062 230.00 0.051 270.00 0.051 325.00 0.041 40.00 0.051 65.00 0.021 155.00 0.031 155.00 0.031 65.00 0.021 90.00 0.021 90.00 0.021 90.00 0.014 330.90 0.041 305.00 0.041 305.00 0.062 325.00 0.082 315.00 0.072 360.00 0.031 45.00 0.031 325.00 0.072 360.00 0.072 25.00 0.072 45.00 0.051 65.00 0.010 200.00 0.093 45.00 0.031 225.00 0.093 260.00 0.072 280.00 0.103 310.00 0.134 330.00 0.113 10.00 0.118 360.00 0.103 320.00 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 99.999 999.99 0.154 180.00 0.154 170.00 0.154 170.00 0.154 180.00 0.206 170.00 0.206 180.00 0.206 170.00 0.257 135.00 0.360 135.00 0.515 160.00 0.360 138.20 0.309 100.00 0.129 90.00 0.190 80.00 0.165 80.00 0.147 63.70 0.144 45.00 0.144 45.00 0.062 90.00 0.103 90.00 0.154 135.00 0.278 150.00 0.268 180.00 0.237 200.00 0.206 200.00 0.154 270.00 0.190 300.00 0.263 320.00 0.206 340.00 0.154 315.00 0.232 45.00 0.257 45.00 0.335 60.00 0.309 90.00 0.257 110.00 0.257 140.00 0.257 140.00 0.103 180.00 0.103 180.00 0.206 300.00 0.206 330.00 0.144 30.00 0.103 30.00 0.129 90.00 0.206 120.00 0.124 145.00 0.093 135.00 0.190 100.00 0.190 190.00 0.154 190.00 0.196 260.00 0.180 315.00 0.180 315.00 0.190 45.00 0.171 66.80 0.180 90.00 0.335 120.00 0.175 135.00 0.175 135.00 0.154 60.00 0.144 90.00 0.144 60.00 0.139 60.00 0.113 60.00 0.154 90.00 0.154 60.00 0.154 45.00 0.165 45.00 0.206 60.00