Ship Name: R/V Ryofu Maru (JGQH) Organization: Global Environment and Marine Department, JMA Cruise No./Name: 10-01 Area: Western North Pacific Miles of Tracks: 4209NM Chief Scientist: MIURA,Yumitoshi Ports of Call and Cruise Dates Departure Arrival -------------------------------------------------------- Leg 1: 2010/01/14 (Tokyo) - 2010/02/03 (Osaka) General Ocean Area(s): North Pacific Ocean Specific Areas: Geographic Coverage: 131/95/59/23 Project Name: JCOMM(former IGOSS), WESTPAC, MARPOLMON Coordinating Body: IOC Objectives and Brief Narrative of Cruise A routine oceanographic observation (physical and biogeochemical). a) Monitoring and understanding of the ocean change relevant to the climate change. b) Monitoring of the greenhouse gases in the ocean and the understanding of ocean carbon circulation. c) Monitoring of background marine pollution. Deployment of a drifting ocean data buoy. Deployment of subsurface floats. Check of the Triton/TAO buoys. Maritime meteorological and aerological observations. Principal Investigators A; MINATO,S.: Global Environment and Marine Department, JMA B; HAYASHI,K.: Global Environment and Marine Department, JMA C; ISHII,M.: Geochemical Reserch Depertment, MRI D; OGAWA,K.: Global Environment and Marine Department, JMA Summary of Measurements and Samples Taken Description[Data type] PI ------------------------------------------------------------ Hydrographic observation (RF3531 -- RF3573) CTD Stations[H10] 40 Stations ; A XCTD Stations[H10] 2 Drop ; A Salinity[H90] 11 Stations ; A Oxygen[H21] 31 Stations ; A Phosphate[H22] 31 Stations ; A Nitrate[H24] 31 Stations ; A Nitrite[H25] 31 Stations ; A Silicate[H26] 31 Stations ; A Chlorophyll-a and phaeopigments[B02] 31 Stations ; A Dissolved or dispersive petroleum hydrocarbons[P03] 7 Stations ; A Heavy metals(Hg,Cd)[P02] 7 Stations ; A Total inorganic carbon[H74] 7 Stations ; A Total alkalinity[H27] 7 Stations ; A pH[H28] 7 Stations ; A Stable carbon isotope(13C)[H32] 3 Stations ; C Dissolved Organic Carbon(DOC)[B06] 7 Stations ; C Subsurface temperature observation (TF-001 -- TF-006) X-BT(T-6 probe)[H13] 6 Drop ; A Underway measurements Subsurface Current Observation (AF-001 -- AF-060) Current Profiler[D71] 60 Stations ; A Surface measurements underway(T,S)[H71] 4209 NM ; A Single-beam echosounding[G73] 60 Stations ; A CO2 concentrations in air and sea surface water[M71,H74] 4209 NM ; A Chlorophyll a in sea surface water 4209 NM ; A CH4 concentrations in air and sea surface water[M71] 4209 NM ; A Floating tar balls sampling (using with Neuston net)[P03] 2 Station ; A Oil slicks and floating pollutants (Daytime only)[P90] 17 Days ; A Meteorological observation Routine standard measurements[M06] 138 Times ; B Upper air observations[M01] 20 Ascents ; B Mooring, bottom mounted gear and drifting system Station Latitude Longitude Depth Date System [Data type] ;PI ----------------------------------------------------------------------------------------- Deployed: Q2900975 31-59.07N 137-02.35E 5900m 2010/01/17 Profiling float(APEX, drift 1000 m, profile 2000m, cycle 5 days) [D06] ; B Q2900976 31-59.06N 137-02.39E 5900m 2010/01/17 Profiling float(APEX, drift 1000 m, profile 2000m, cycle 5 days) [D06] ; B 21596 30-03.03N 136-59.84E 4486m 2010/01/18 Drifting Ocean Data Buoy [D05] ; D Q2900977 30-02.73N 136-59.73E 4491m 2010/01/18 Profiling float(APEX, drift 1000 m, profile 2000m, cycle 5 days) [D06] ; B Q2900978 30-02.76N 136-59.80E 4489m 2010/01/18 Profiling float(APEX, drift 1000 m, profile 2000m, cycle 5 days) [D06] ; B Q2900979 28-01.30N 137-03.08E 4548m 2010/01/18 Profiling float(APEX, drift 1000 m, profile 2000m, cycle 5 days) [D06] ; B Q2900980 28-01.34N 137-03.07E 4548m 2010/01/18 Profiling float(APEX, drift 1000 m, profile 2000m, cycle 5 days) [D06] ; B Q2900981 25-59.60N 136-58.90E 5485m 2010/01/19 Profiling float(APEX, drift 1000 m, profile 2000m, cycle 5 days) [D06] ; B Q2900982 25-59.57N 136-58.90E 5485m 2010/01/19 Profiling float(APEX, drift 1000 m, profile 2000m, cycle 5 days) [D06] ; B Q2900983 24-01.52N 136-59.74E 5050m 2010/01/19 Profiling float(APEX, drift 1000 m, profile 2000m, cycle 5 days) [D06] ; B Q2900984 24-01.48N 136-59.73E 5050m 2010/01/19 Profiling float(APEX, drift 1000 m, profile 2000m, cycle 5 days) [D06] ; B Q5900984 13-57.98N 136-57.57E 5087m 2010/01/22 Profiling float(APEX, drift - m, profile 2000m, cycle - days) [D06] ; B Equipments and/or Standard Procedures CTD/Multi Bottle Sampler/Software Sea-Bird 9-11 Plus (S/N 09P31345-0722,09P32114-0729) with an altimeter(Benthos PSA-900, S/N 1267). Sea-Bird 32 CAROUSEL 24-positions Water Sampler (S/N 3231345-0446) with 12-liters Niskin bottles. Sea-Bird Seasave and Data Processing Ver.7.18 XBT TSK MK-130 converter. TSK T-6 type probe. XCTD TSK MK-130 converter. TSK XCTD-1 probe. Salinity Guildline AUTOSAL 8400B (S/N 69677). IAPSO Standard Sea Water P150. Dissolved Oxygen Modified Carpenter method. Automatic photometric titrator DOT-01X manufactured by Kimoto Electronic Co. Ltd. Nutrients Technicon Auto Analyzer II in 4 channel system. Chlorophyll a and phaeopigments In vitro fluorometric method by Turner Designs Field Fluorometer 10-AU-005. Total inorganic carbon and Total alkalinity Japan ANS total inorganic carbon measuring system with a coulometer (Japan ANS) and Japan ANS total alkalinity measuring system with spectrometers (HAMAMATSU PHOTONICS VIS/NIR spectrometer C10083AH) Certified reference materials, batch 93 provided by Prof. A. G. Dickson of SIO. pH Japan ANS pH measuring system with spectrometers (HAMAMATSU PHOTONICS VIS/NIR spectrometer C10083AH) Underway Measurements RDI 75 KHz Broadband ADCP. FSI Thermosalinograph. NEC Echosounder. Japan ANS pCO2 measuring system with a NDIR analyzer (LI-COR LI7000). WMO mole fraction scale (provisional). Shimadzu pCH4 measuring system with a GC-FID (Shimadzu GC-8A). WMO mole fraction scale (provisional). Turner Designs Field Fluorometer 10-AU-005 (in vivo fluorometry). Correction and Calibration CTD:Sea-Bird 9-11 Plus (S/N 09P31345-0722) Temperature (S/N 034321) Formulas : T(ITS-90) = 1/(g+h*(ln(f0/f))+i*(ln^2(f0/f))+j*(ln^3(f0/f))-273.15 [Deg.C] Calibrated 2009/12/31 at Sea-Bird Electronics, INC. where g = 4.39115453E-03 h = 6.47362291E-04 i = 2.30967316E-05 j = 1.96401089E-06 f0 = 1000.000 Conductivity (S/N 042849) Formulas : C0 = (g+h*f^2+i*f^3+j*f^4)/(10*(1+CTcor*t+CPcor*p)) [Siemens/m] C = (A+B*C0+C*C0^2) [Siemens/m] Calibrated 2009/12/31 at Sea-Bird Electronics, INC. where g =-1.01279572E+01 h = 1.41566413E+00 i = 6.03646728E-04 j = 3.13686719E-05 CPcor =-9.57E-08 CTcor = 3.25E-06 f : Instrument Freq.[kHz] t : temperature [Deg.C] p : pressure [db] Calibrated with Salinity measurements at Ryofu Maru. A B C Calibrated date ------------------------------------------------------------------------------- RF3532 - RF3573 0.0004924 1.000288 0.00000 2010/01/31 Pressure (S/N 90574) Formulas : Pm = C*(1-(T0^2/(T^2)))(1-D*(1-(T0^2/(T^2)))) [psia] Calibrated 2009/12/18 at Sea-Bird Electronics, INC. where C = C1+C2*U+C3*U^2 D = D1+D2*U T0 = T1+T2*U+T3*U^2+T4*U^3+T5*U^4 T : pressure period [micro second] U : temperature [deg.C] C1 =-4.802766E+04 C2 =-2.656902E-01 C3 = 1.418260E-02 D1 = 3.830200E-02 D2 = 0.000000E+00 T1 = 3.012930E+01 T2 =-3.769891E-04 T3 = 4.208190E-06 T4 = 1.503050E-09 T5 = 0.000000E+00 Pressure (S/N 90583) Formulas : Pm = C*(1-(T0^2/(T^2)))(1-D*(1-(T0^2/(T^2)))) [psia] Calibrated 2009/07/29 at Sea-Bird Electronics, INC. where C = C1+C2*U+C3*U^2 D = D1+D2*U T0 = T1+T2*U+T3*U^2+T4*U^3+T5*U^4 T : pressure period [micro second] U : temperature [deg.C] C1 =-4.547725E+04 C2 =-2.056220E-01 C3 = 1.266660E-02 D1 = 3.706000E-02 D2 = 0.000000E+00 T1 = 3.025400E+01 T2 =-3.933545E-04 T3 = 4.288010E-06 T4 = 1.430590E-09 T5 = 0.000000E+00 Thermosalinograph Temperature (Intake:S/N 1364) Calibrated 2005/12/26 at SEA. Temperature (TSG:S/N 1429) Calibrated 2006/03/06 at FSI. Conductivity (TSG:S/N 1429) Calibrated with Salinity measurements at Ryofu Maru. Linear Fit; Formulas : C = A + B*Cm [Siemens/m] where A B Calibrated date ------------------------------------------------------------------------------- 01/15-02/01 0.04774 1.00211 2010/02/03 Chlorophyll a and phaeopigments The Turner Fluorometer was calibrated by a chlorophyll standard solution (SIGMA@ C-6144) labeled with the spectrophotometric method. Spectrophotometric equation was given by Jeffrey and Humphrey (1980, UNESCO). XCTD Formulas : Z=A*t+B*t^2 where Z : depth [m] t : elapsed time [s] A B ------------------------------------------------ TSK XCTD-1 3.425 -0.00047 XBT Formulas : Z=A*t+B*t^2 where Z : depth [m] t : elapsed time [s] A B ------------------------------------------------ TSK T-6 6.691 -0.00225 Remarks The time is expressed in the Japan Standard Time (JST) that is 9 hours ahead of the Coordinated Universal Time (UTC).