Ship Name: R/V Ryofu Maru (JGQH) Organization: Global Environment and Marine Department, JMA Cruise No./Name: 11-01 Area: western Pacific Miles of Track: 8143 N.Miles Chief Scientist: NAKAMURA,Tatsuo Ports of Call and Cruise Dates Departure Arrival -------------------------------------------------------- Leg 1: 2011/01/07 (Tokyo) - 2011/01/24 (Palau) Leg 2: 2011/01/28 (Palau) - 2011/02/12 (Saipan) Leg 3: 2011/02/16 (Saipan) - 2011/02/28 (Tokyo) General Ocean Area: Pacific Ocean Specific Areas: Geographic Coverage: 131/95/59/23/22/321/58/94/130 Objectives and Brief narrative of Cruise A routine oceanographic observation (physical and biogeochemical). a) Monitoring and understanding of the ocean change relevant to climate change. b) Monitoring of the greenhouse gases in the ocean and 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; KAMIYA,H. : Global Environment and Marine Department, JMA. B; ISHII,M. : Geochemical Reserch Department, MRI. C; OGAWA,K. : Global Environment and Marine Department, JMA. Summary of Measurement and Samples taken Description[DATA TYPE] PI ---------------------------------------------------------------- Hydrographical Observation (RF3868 -- RF3968) CTDO Stations[H10,H21] 100 Stations ; A XCTD[H10] 1 Drop ; A Salinity[H90] 21 Stations ; A Oxygen[H21] 79 Stations ; A Phosphate[H22] 79 Stations ; A Nitrate[H24] 79 Stations ; A Nitrite[H25] 79 Stations ; A Silicate[H26] 79 Stations ; A Chlorophyll a and pheopigments[B02] 38 Stations ; A Heavy metals(Hg,Cd)[P02] 9 Stations ; A Total Inorganic Carbon[H74] 20 Stations ; A pH[H28] 20 Stations ; A Total alkalinity[H27] 20 Stations ; A Stable carbon isotope(13C)[H32] 2 Stations ; B Dissolved or dispersive petroleum hydrocarbons[P03] 9 Stations ; A Dissolved Organic Carbon(DOC)[B06] 4 Stations ; B Underway Measurements Subsurface Current Observation (AF-001 -- AF-117) Current Profiler[D71] 117 Stations ; A Surface measurements underway(T,S)[H71] 8143 N.Miles ; A Single-beam echosounding[G73] 117 Stations ; A CO2 concentrations in air and sea surface water[H71,H74,M71] 8143 N.Miles ; A Surface water sampling for measuring carbon parameters[H22,H24,H25,H26,H27,H28,H74,B02] 45 Stations ; A CH4 concentrations in air[M71] 8143 N.Miles ; A Chlorophyll a in sea surface water[B02] 8143 N.Miles ; A Floating Tar balls sampling (Using with the Neuston Net)[P03] 5 Stations ; A Oil slicks and floating pollutants (Daytime only)[P90] 39 Days ; A Meteorological Observation Routine standard measurements[M06] 325 Times ; A Upper air observations[M01] 60 Ascents ; A Moorings, bottom mounted gear and drifting systems Station Latitude Longitude Depth Date System [Data type] ;PI ----------------------------------------------------------------------------------------------------------------------------- Deployed: 21707 31-01.06N 137-00.20E 4413m 2011/01/10 Drifting Ocean Data Buoy [D05] ; C Q5901968 9-04.53N 149-18.13E 4490m 2011/02/06 Profiling float(APEX, drift 1000 m, profile 2000m, cycle 10 days) [D06] ; A Q5901969 14-58.04N 149-19.90E 5656m 2011/02/07 Profiling float(APEX, drift 1000 m, profile 2000m, cycle 10 days) [D06] ; A Q5901970 14-58.08N 149-19.90E 5656m 2011/02/07 Profiling float(APEX, drift 1000 m, profile 2000m, cycle 10 days) [D06] ; A Equipments and/or Standard Procedures CTD/Oxygen Profiler/Multi Bottle Sampler/Software Sea-Bird SBE 911plus (S/N 09P35251-0761) with an altimeter (Teledyne Benthos PSA-916, S/N 43854). JFE Advantech RINKO III (S/N 007, FoilNumber 144). Sea-Bird SBE 32 Carousel Water Sampler (36 positions type, S/N 3254567-0734) with 10-liters Niskin bottles. Sea-Bird Seasave and Data Processing Ver.7.18. XCTD TSK MK-130 compatible recorder for both XBT and XCTD. TSK XCTD-1 type probe. Salinity Guildline AUTOSAL 8400B (S/N 67642). IAPSO Standard Sea Water P152. Dissolved Oxygen Modified Carpenter method. Kimoto Electronic Automatic photometric titrator DOT-01X. Nutrients BLTEC Auto Analyzer 3 in 4 channel system. Chlorophyll a and phaeopigments In vitro fluorometric method. Turner Designs 10-AU-005-CE Field Fluorometer. Total inorganic carbon and Total alkalinity Japan ANS total inorganic carbon measuring system with a coulometer (Japan ANS). Japan ANS total alkalinity measuring system with spectrometers (HAMAMATSU PHOTONICS VIS/NIR spectrometer C10083AH). Certified reference material provided by Prof. A. G. Dickson of SIO, batch 103 and 108. pH Japan ANS pH measuring system with spectrometers (HAMAMATSU PHOTONICS VIS/NIR spectrometer C10083AH). Chlorofluorocarbons GL Sciences chlorofluorocarbons measurement purge and trap system with GC-ECD (Shimadzu GC-8A). Underway Measurements Teledyne RD Instruments Ocean Surveyor Vessel-Mount ADCP (38kHz, S/N 1211). Sea-Bird SBE 45 Thermosalinograph (S/N 4556783-0301). Kongsberg Maritime EA 600 Single beam echosounder (S/N 341). 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 10-AU-005-CE Field Fluorometer with a flowcell (in vivo fluorometry). Correction and Calibration CTD:Sea-Bird SBE 911plus (S/N 09P35251-0761). Temperature:Sea-Bird SBE 3plus (S/N 03P2846) 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 2010/10/15 at Sea-Bird Electronics, INC. where g = 4.36766021e-003 h = 6.43351766e-004 i = 2.27798888e-005 j = 2.10210494e-006 f0 = 1000.000 f : Instrument Freq.[Hz] Conductivity:Sea-Bird SBE 4C (S/N 042986) Formulas : C0 = (g+h*f^2+i*f^3+j*f^4)/(10*(1+CTcor*t+CPcor*p)) [Siemens/m] C = (A+B*C0+D*C0^2) [Siemens/m] Calibrated 2010/10/15 at Sea-Bird Electronics, INC. where g =-9.84925939e+000 h = 1.29040044e+000 i = 6.22526579e-004 j = 1.72251555e-005 CPcor =-9.5700e-008 CTcor = 3.2500e-006 f : Instrument Freq.[kHz] t : temperature [Deg.C] p : pressure [db] Calibrated with Salinity measurements at Ryofu Maru. A B D Calibrated date ---------------------------------------------------------------------------- RF3868 - RF3908 -0.0002381 1.000066 0.00000 2011/01/22 RF3909 - RF3939 -0.0000679 1.000040 0.00000 2011/02/11 RF3941 - RF3968 -0.0002744 1.000071 0.00000 2011/02/27 Pressure:Sea-Bird SBE 9plus (S/N 91530) Formulas : Pm = C*(1-(T0^2/(T^2)))(1-D*(1-(T0^2/(T^2)))) [psia] P = Offset+Slope*Pm [psia] Calibrated 2010/10/22 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 =-4.651547e+004 C2 = 9.130672e-002 C3 = 1.439800e-002 D1 = 3.778300e-002 D2 = 0.000000e+000 T1 = 3.020363e+001 T2 =-2.641135e-004 T3 = 4.172110e-006 T4 = 3.125100e-009 T5 = 0.000000e+000 Slope = 0.99994 Offset =-1.2564 Oxygen Profiler:JFE Advantech RINKO III (S/N 007, FoilNumber 144) Formulas : [O2] = (P0/Pc-1)/Ksv*(1+c8*p/1000)^(1/3) [1] where Ksv = c0+c1*t+c2*t^2 P0 = 1+c3*t Pc = c4+c5*V+c6*T+c7*T*V t : potential temperature [ITS-90] p : pressure [db] V : Instrument Voltage [V] T : Instrument Operating Time from the first station of each period [Day] Calibrated with Oxygen measurements at Ryofu Maru. RF3868 - RF3908 RF3909 - RF3968 ------------------------------------------------------ c0: 1.94564e+000 1.90122e+000 c1: 1.39751e-002 2.15659e-002 c2: 1.80351e-004 1.18434e-004 c3: -1.12683e-003 3.71482e-004 c4: -2.14344e-001 -2.05088e-001 c5: 3.15296e-001 3.16722e-001 c6: 1.31088e-003 -1.68167e-003 c7: 5.39746e-004 6.80255e-004 c8: 5.95196e-002 5.49253e-002 Calibrated date: 2011/10/05 2011/10/05 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 Thermosalinograph:Sea-Bird SBE 45 (S/N 4556783-0301) Temperature (S/N 4556783-0301) Formulas : T(ITS-90) = 1/(a0+a1*(ln(n))+a2*(ln^2(n))+a3*(ln^3(n)))-273.15 [Deg.C] Calibrated 2009/11/18 at Sea-Bird Electronics, INC. where a0 = 1.205394e-005 a1 = 2.773034e-004 a2 =-2.691945e-006 a3 = 1.571903e-007 n : Instrument output Conductivity (S/N 4556783-0301) Formulas : F = f*sqrt(1.0+WBOTC*t)/1000.0 C(TSG) = (g+h*F^2+i*F^3+j*F^4)/(10*(1+CTcor*t+CPcor*p)) [Siemens/m] C(INTAKE) = A * C(TSG) + B [Siemens/m] Calibrated 2009/11/18 at Sea-Bird Electronics, INC. where g =-1.011274e+000 h = 1.216937e-001 i =-2.994718e-004 j = 3.663245e-005 CPcor =-9.5700e-008 CTcor = 3.2500e-006 WBOTC = 4.9027e-007 f : Instrument Freq.[kHz] t : temperature [Deg.C] p : pressure(= 0) [db] Calibrated with Salinity measurements at Ryofu Maru. A B ---------------------------------------------------------- 2011/01/07 - 2011/02/26 1.00112 0.002291 Temperature:Sea-Bird SBE 38 (S/N 3856783-0512) Formulas : T(ITS-90) = 1/(a0+a1*(ln(n))+a2*(ln^2(n))+a3*(ln^3(n)))-273.15 [Deg.C] Calibrated 2009/11/17 at Sea-Bird Electronics, INC. where a0 = 6.437166e-005 a1 = 2.691070e-004 a2 =-2.100098e-006 a3 = 1.417914e-007 n : Instrument output 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). Remarks The time is expressed in the Japan Standard Time (JST) that is 9 hours ahead of the Coordinated Universal Time (UTC).