CRUISE DATES: 2011/04/10 to 2011/04/14 DATABASE NAME: 01540 SHIP NAME: Kilo Moana CRUISE NAME(S): km1113, hot231 PORTS: Honolulu to Honolulu CHIEF SCIENTIST: Craig Nosse INSTRUMENT: os38bb #== Block Footer ==== #DATA_DATES: 2011/04/10 18:35:00 --- to --- 2011/04/14 17:01:00 #LON_RANGE: 158.33 W --- to --- 157.87 W #LAT_RANGE: 21.24 N --- to --- 23.03 N #DEPTH_RANGE: 36 --- to --- 1404 m #SAC_CRUISE_ID: 01540 #PLATFORM_NAME: R/V Kilo Moana #PRINCIPAL_INVESTIGATOR_NAME: E.Firing,J.Hummon,D.Karl,R.Lukas #PI_INSTITUTION: University of Hawaii at Manoa #PI_COUNTRY: USA #PROJECT: Hawaii Ocean Time-series (JGOFS, WOCE (time-series), CLIVAR) #CRUISE_NAME: ship_tag=KM1113:os38bb woce_tag=PRS02,HOT231 EXPOCODE=33KB231_1 #PORTS: Honolulu to Honolulu #GEOGRAPHIC_REGION: Hawaiian Islands, North Central Pacific #PROCESSED_BY: University of Hawaii at Manoa #NAVIGATION: GPS #QUALITY_NAV: excellent #GENERAL_INFORMATION: CRUISE NOTES CHIEF SCIENTIST ON SHIP : Craig Nosse INSTITUTE : Univ. of Hawaii COUNTRY : USA SIGNIFICANT DATA GAPS : SPECIAL SHIP TRACK PATTERNS : COMMENTS : This cruise has two instruments, 38kHz phased array ("Ocean Surveyor", "OS38") capable of pinging in broadband or narrowband (or interleaved) modes, and a 300kHz broadband "Workhorse" ADCP ("WH300"). Each instrument and pingtype was processed separately, producing 3 ADCP datasets for this cruise. These datasets OS38 broadband, OS38 narrowband, WH300, have NODC SAC IDs 01540, 01541, and 01542, respectively. Broadband data from an Ocean Surveyor gives greater resolution but less depth penetration, Narrowband mode from the same instrument gives lower resolution but deeper penetration. The Workhorse 300 has the highest time- and depth- resolution, but rarely reaches deeper than 80m. ADCP INSTRUMENTATION MANUFACTURER : RD Instruments (RDI) HARDWARE MODEL : Ocean Surveyer 38 SERIAL NUMBERS : FIRMWARE VERSION : TRANSMIT FREQUENCY : 38kHz ACOUSTIC BEAM WIDTH : TRANSDUCER BEAM ANGLE : 30 degrees COMMENTS : broadband ADCP INSTALLATION METHOD/DESCRIPTION OF THE ATTACHMENT TO THE HULL : The 38kHz Ocean Surveyor is mounted in the starboard hull. The 300kHz WorkHorse is mounted in the port hull LOCATION/DEPTH ON HULL : nominally 7m REPEATABLE ATTACHMENT : yes for OS38 and WH300 DATE OF MOST RECENT ATTACH. : OS38: installed Dec, 2003 WH300: installed March, 2005 ACOUSTIC WINDOW : OS38 is behind a window; No window for the WH300 COMMENTS : ADCP INSTRUMENT CONFIGURATION: DEPTH RANGE : 36 to 1404 m BIN LENGTH : 12 m NUMBER OF BINS : 115 TRANSMIT PULSE LENGTH : 13 m BLANKING INTERVAL : 16 m ENSEMBLE AVERAGING INTERVAL : 300 s SOUND SPEED CALCULATION : function of temp at transducer BOTTOM TRACKING : yes, from and to port DIRECT COMMANDS : COMMENTS : Broadband mode Original heading alignment: 44.55 = h_align ADCP DATA ACQUISITION SYSTEM SOFTWARE DEVELOPERS : E.Firing, J.Hummon SOFTWARE VERSIONS : UHDAS DATA LOGGER, MAKE/MODEL : ADCP/LOGGER COMMUNICATION : USER BUFFER VERSION : none CLOCK : COMMENTS : single-ping data files QC'ed then averaged by UHDAS SHIP HEADING INSTRUMENT MAKE/MODEL : gyro compass: Raytheon STD-20 SYNCHRO OR STEPPER : SYNCHRO RATIO : COMPENSATION APPLIED : GPS ATTITUDE SYSTEM : 1) Ashtech, 2) TSS, Inc. Model POS/MV 320 LOCATION OF ANTENNAS : RIGID ATTACHMENT : LOGGING RATE : ANCILLARY MEASUREMENTS SURFACE TEMP AND SALINITY : yes PITCH/ROLL MEASUREMENTS : yes, but not applied to ADCP data HYDRO CAST MEASUREMENTS : yes BIOMASS DETERMINATION : DATE OF LAST CALIBRATION : CALIBRATION COEFFICIENTS : BEAM-AVERAGED AGC AVAILABLE?: yes CALIBRATION NET TOWS? : < NO > < YES > COMMENTS : ADCP DATA PROCESSING/EDITING PERSONNEL IN CHARGE : J.Hummon, B.Grcic DATE OF PROCESSING : ADDED TO NODC DB : Aug 2011 NOTABLE SCATTERING LAYERS : COMMENTS : NAVIGATION GPS : MAKE/MODEL : TTS, Inc. Model POS/MV 320 SELECTIVE AVAILABILITY : P-CODE : DIFFERENTIAL : Raytheon Raychart 420 SAMPLE INTERVAL : LOCATION OF ANTENNA RELATIVE TO TRANSDUCER : TIME OBTAINED RELATIVE TO START/END OF ENSEMBLE : end AVERAGING/EDITING APPLIED : yes LOGGED WITH ADCP DATA : YES, time stamp of ADCP and GPS use same clock. Made available to CODAS onboard processing. LOGGED INDEPENDENTLY : YES COMMENTS : OTHER : CALIBRATION GYROCOMPASS CORRECTION : yes, POSMV (no gaps) BOTTOM TRACK METHOD : yes WATER TRACK METHOD : yes FINAL SELECTION : AMPLITUDE= 1.0055 PHASE= -0.05 Final transducer angle is 44.55 - (-0.05) = 44.60 AGREEMENT WITH PREVIOUS CRUISES : SOUND SPEED CORRECTIONS : yes COMMENTS : NAVIGATION CALCULATION NAVIGATION USED : GPS REFERENCE LAYER DEPTH RANGE : bins 2 to 20 FILTERING METHOD FOR SMOOTHING REFERENCE LAYER VELOCITY (FORM/WIDTH) : Blackman window function of width T ( .5 hr): w(t) = 0.42 - 0.5 * cos(2 * pi *t / T) + 0.08 * cos(4 * pi * t / T). FINALIZED SHIP VEL/POSITIONS STORED IN DATABASE : yes COMMENTS : GENERAL_ASSESSMENT : ON-STATION VS. UNDERWAY : OK VECTOR, CONTOUR, STICK PLOTS: OK COMMENTS : OK REFERENCES (DATA REPORTS,ETC.) : 2007 Fujieki, L.A., F. Santiago-Mandujano, P. Lethaby, R. Lukas, and D. Karl. Hawaii Ocean Time-series Program Data Report 19, 2007. School of Ocean and Earth Science and Technology, Univ. of Hawaii, Honolulu, HI, 403 pp. The following are notes from the post-cruise processing by the "Currents" group at University of Hawaii, SOEST, Department of Oceanography, http://currents.soest.hawaii.edu/ LAST CHANGED : 2011/04/14 17:01:36 CRUISE NAME(S) : km1113, hot231 CRUISE DATES : 2011/04/10 to 2011/04/14 SHIP NAME : Kilo Moana PORTS : Honolulu to Honolulu CHIEF SCIENTIST : Nosse DATABASE NAME : a_km DATA FILES : km2011_099_66651.raw to km2011_103_57600.raw STATUS : to do done ------ ----------- averaged [ X ] loaded [ X ] NOTE: time-dependent heading corrections staged (cal/rotate/ens_hcorr.ang) --> check if applied using "rotate" check heading correction [ X ] calibration [ X ] edited [ X ] re-check heading correction [ X ] check editing [ X ] figures [ X ] INSTRUMENT : os38 ACQUISITION : PROGRAM : uhdas PROCESSING: : python LOGGING : PARAMETERS : BT : bottom track mode (on or off) SI : sampling interval or averaging period for ensemble (sec) NB : number of bins BL : bin length (m) TD : transducer depth (m) BK : blanking length (m) HO : heading offset applied by DAS (deg) HB : heading bias (deg) CRPH : compensation for roll-pitch-heading, 1:on, 0:off) yy/mm/dd hh:mm:ss BT SI NB BL TD BK HO HB CRPH 2011/04/10 18:35:51 off 300 115 12 7 16 44.55 0.00 0001 2011/04/11 19:35:52 off 300 115 12 7 16 44.55 0.00 0001 HEADING : PRIMARY : gyro CORRECTION : posmv POSITIONS : gps (specify more detail if available) CALIBRATION : original heading alignment: 44.55 final transducer angle is: 44.55 - (-0.05) = 44.60 deg starboard of fwd (small) additional scale applied: 1.0055 final scale factor used 1.0055 COMMENTS : no gaps in POSMV PROCESSOR : J.Hummon, B.Grcic --- processing parameters ---------- ## (determined from "sonar"): model = os ## (determined from "sonar"): frequency = 38 ## (determined from "sonar"): pingtype = bb ## (determined from "sonar"): instname = os38 ## ping_headcorr is False ## hcorr_inst is posmv beamangle 30 cruisename km1113 frequency 38 instname os38 model os pingtype bb proc_engine python sonar os38bb yearbase 2011 ========================= (1) look at heading correction: are there gaps? figview.py cal/rotate/*png No gaps; it says everything is fine. ========================= (2) check calibration -- what remains to be done? ** watertrack ** (tail -20 cal/watertrk/adcpcal.out) Number of edited points: 26 out of 26 amp = -0.0013 + 1.0059 (t - 101.6) phase = 0.03 + 0.0110 (t - 101.6) median mean std amplitude 1.0050 1.0059 0.0065 phase -0.1110 0.0110 0.5654 (a) amplitude is within 0.5% (.995 - 1.005) so "good enough" for the next step (b) phase (angle) is between (-0.2, 0.2) so "good enough" for the next step ========================= (3) edit: gautoedit.py .. from gautoedit, for every screen do - show now - additional manual editing if necessary - list to disk (creates/appends new a*.asc files with new flags) ========================= (4) apply editing: from dir os38bb: quick_adcp.py --steps2rerun apply_edit:navsteps:calib --proc_engine python --auto ========================= (5) phase and amplitude calibration: from dir os38bb: quick_adcp.py --steps2rerun rotate:navsteps:calib:matfiles --rotate_amplitude 1.0055 --rotate_angle -0.05 --auto ** applied corrections: ** amp=1.0055 phase=-0.05 ** watertrack ** (tail -20 cal/watertrk/adcpcal.out) Number of edited points: 27 out of 27 amp = -0.0016 + 1.0002 (t - 101.7) phase = 0.02 + 0.0579 (t - 101.7) median mean std amplitude 0.9990 1.0002 0.0063 phase -0.0460 0.0579 0.5533 ========================= (6) web plots: mkdir webpy quick_web.py --cruiseid hot231_km1113 --sonar os38bb --interactive =========================