#DATA_DATES: 2004/06/17 00:23:00 --- to --- 2004/07/25 18:02:00 #LON_RANGE: 133.15 E --- to --- 157.87 W #LAT_RANGE: 21.25 N --- to --- 32.67 N #DEPTH_RANGE: 17 --- to --- 569 m #SAC_CRUISE_ID: 00803 #PLATFORM_NAME: R/V Melville #PRINCIPAL_INVESTIGATOR_NAME: Eric Firing, Jules Hummon #PI_INSTITUTION: University of Hawaii #PI_COUNTRY: USA #PROJECT: CLIVAR Global Carbon Program;repeat of WOCE One-time Line #CRUISE_NAME: ship_tag=VANC32MVnb150 woce_tag=P02_2004A EXPOCODE=318M200406 #PORTS: Yokohama to Honolulu #GEOGRAPHIC_REGION: Northwest and North Central Pacific Ocean #PROCESSED_BY: University of Hawaii #NAVIGATION: GPS #QUALITY_NAV: good #GENERAL_INFORMATION: CRUISE NOTES CHIEF SCIENTIST ON SHIP : P.Robbins, Jim Swift INSTITUTE : Scripps Institute of Oceanography COUNTRY : USA SIGNIFICANT DATA GAPS : SPECIAL SHIP TRACK PATTERNS : COMMENTS : This dataset is derived from the NB150 instrument, which allows greater resolution. For greater depth penetration, see SAC ID 00804, the same cruise, yet with the OS75 instrument. ADCP INSTRUMENTATION MANUFACTURER : RD Instruments (RDI) HARDWARE MODEL : RD-VM150 SERIAL NUMBERS : FIRMWARE VERSION : COMMENTS : ADCP INSTALLATION METHOD/DESCRIPTION OF THE ATTACHMENT TO THE HULL : The transducer head is mounted approximately amidships and to port of the centerline with a 45 degree rotation LOCATION/DEPTH ON HULL : 5m used in processing REPEATABLE ATTACHMENT : YES DATE OF MOST RECENT ATTACH. : ACOUSTIC WINDOW : NO COMMENTS : ADCP INSTRUMENT CONFIGURATION DEPTH RANGE : 17m to 571m (bin centers) BIN LENGTH : 8m NUMBER OF BINS : 70 TRANSMIT PULSE LENGTH : 8m BLANKING INTERVAL : 4m ENSEMBLE AVERAGING INTERVAL : 300 seconds SOUND SPEED CALCULATION : FUNCTION OF TEMP AT TRANSDUCER BOTTOM TRACKING : limited periods DIRECT COMMANDS : COMMENTS : ADCP DATA ACQUISITION SYSTEM SOFTWARE DEVELOPERS : RDI SOFTWARE VERSIONS : DAS 2.48 DATA LOGGER, MAKE/MODEL : ADCP/LOGGER COMMUNICATION : HPIB USER BUFFER VERSION : UE4 CLOCK : PC clock synch'ed to GPS time by UE4 COMMENTS : SHIP HEADING INSTRUMENT MAKE/MODEL : Sperry MK37, MK 23 SYNCHRO OR STEPPER : synchro SYNCHRO RATIO : 1:1 COMPENSATION APPLIED : GPS ATTITUDE SYSTEM : Ashtech LOCATION OF ANTENNAS : RIGID ATTACHMENT : yes LOGGING RATE : ANCILLARY MEASUREMENTS SURFACE TEMP AND SALINITY : PITCH/ROLL MEASUREMENTS : collected from Ashtech, not used to correct ADCP HYDRO CAST MEASUREMENTS : yes BIOMASS DETERMINATION : no DATE OF LAST CALIBRATION : CALIBRATION COEFFICIENTS : BEAM-AVERAGED AGC AVAILABLE?: < NO > < YES > CALIBRATION NET TOWS? : < NO > < YES > COMMENTS : ADCP DATA PROCESSING/EDITING PERSONNEL IN CHARGE : Jules Hummon ADDED TO NODC DB : 17 December 2004 SOUND SPEED CORRECTIONS : DATE OF PROCESSING : Fall 2004 NOTABLE SCATTERING LAYERS : NAVIGATION GPS : YES MAKE/MODEL : Trimble Tasmon P-code Trimble NT200 DGPS SELECTIVE AVAILABILITY : P-CODE : yes DIFFERENTIAL : yes, when available SAMPLE INTERVAL : 1 Hz LOCATION OF ANTENNA RELATIVE TO TRANSDUCER : TIME OBTAINED RELATIVE TO START/END OF ENSEMBLE : start and end AVERAGING/EDITING APPLIED : ensemble position is average of start and end fix for the ensemble LOGGED WITH ADCP DATA : YES LOGGED INDEPENDENTLY : YES, by ship's logging system. COMMENTS : OTHER : bottom tracking available for limited periods CALIBRATION GYROCOMPASS CORRECTION : YES, with Ashtech ashtech gaps (cal/rotate/ashrot.log): ranges longer than about 25 minutes: 3 DD ranges, lengths in hours: 1 181.84632 to 182.58242 17.67 2 189.82201 to 190.61714 19.08 3 197.31854 to 197.33589 0.42 Date ranges: 1 2004/06/30 20:18:42 to 2004/07/01 13:58:41 2 2004/07/08 19:43:42 to 2004/07/09 14:48:41 3 2004/07/16 07:38:42 to 2004/07/16 08:03:41 BOTTOM TRACK METHOD : NO WATER TRACK METHOD : YES ADCP nb150 7ens Time range 168.04 to 206.17 Calculation done at 2004- 8-11 11:41 delta-u min = -100.00, max = 100.00; delta-v min = -100.00, max = 100.00 clip_amp = 0.04, clip_ph = 3.0 clip_dt = 60, clip_var = 0.050 Number of edited points: 215 out of 222 amp = 1.0081 + 0.0000 (t - 186.4) phase = -3.67 + -0.0027 (t - 186.4) median mean std amplitude 1.0080 1.0081 0.0061 phase -3.6680 -3.6737 0.3590 nav - pc -1.0000 -0.7070 5.3793 rotate -3.67 then ADCP nb150 7ens Time range 168.04 to 206.17 Calculation done at 2004- 8-11 13:29 delta-u min = -100.00, max = 100.00; delta-v min = -100.00, max = 100.00 clip_amp = 0.04, clip_ph = 3.0 clip_dt = 60, clip_var = 0.050 Number of edited points: 218 out of 222 amp = 1.0081 + 0.0000 (t - 186.4) phase = -0.02 + -0.0024 (t - 186.4) median mean std amplitude 1.0080 1.0081 0.0060 phase -0.0015 -0.0152 0.3641 FINAL SELECTION : AMPLITUDE= 1.00 PHASE= -3.67 AGREEMENT WITH PREVIOUS CRUISES : COMMENTS : NAVIGATION CALCULATION NAVIGATION USED : GPS REFERENCE LAYER DEPTH RANGE : 3 to 10 FILTERING METHOD FOR SMOOTHING REFERENCE LAYER VELOCITY (FORM/WIDTH) : Blackman w(t)=0.42-0.5*cos(2pi*t/T)+.08*cos(4pi*t/T), 1-hr halfwidth FINALIZED SHIP VEL/POSITIONS STORED IN DATABASE : YES COMMENTS : GENERAL_ASSESSMENT : OK ON-STATION VS. UNDERWAY : OK VECTOR, CONTOUR, STICK PLOTS: OK COMMENTS : REFERENCES (DATA REPORTS,ETC.) :