Ship Name: R/V Chofu Maru (JCCX) Organization: Nagasaki Marine Observatory (NMO) Cruise No./Name: 10-01 Area: Western North Pacific and East China Sea Miles of Tracks: 2712 NM Chief Scientist: J.Nakagawa Ports of Call and Cruise Dates Departure Arrival ---------------------------------------------------------- Leg 1: 2010/01/15 (Nagasaki) - 2010/01/20 (Naha) Leg 2: 2010/01/24 (Naha) - 2010/02/03 (Kagoshima) Leg 3: 2010/02/09 (Kagoshima) - 2010/02/15 (Nagasaki) General Ocean Area(s): Philippine Sea and East China Sea Specific Areas: Geographic Coverage: 132/131/96/95 Project Name: NEAR-GOOS, JCOMM, WESTPAC 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 climate change. b) Monitoring of background marine pollution. Deployment of a drifting ocean data buoy. Maritime meteorological and aerological observation. Principal Investigators A; J.Nakagawa, Oceanographical Division, NMO B; R.Okada, Oceanographical Division, NMO C; N.Ishikawa, Maritime Meteorological Division, NMO D; S.Minato, Global Environment and Marine Department Japan Meteorological Agency(JMA) E; K.Ogawa, Global Environment and Marine Department, JMA Summary of Measurements and Samples Taken Description[Data type] PI ------------------------------------------------------------ Hydrographic observation (NC7703 -- NC7792) CTD stations[H10] 90 Stations ; A Salinity 26 Stations ; A Oxygen[H21] 21 Stations ; B Phosphate[H22] 21 Stations ; B Nitrate[H24] 21 Stations ; B Nitrite[H25] 21 Stations ; B Chlorophyll a and phaeophytin[B02] 10 Stations ; B Heavy metals(Hg,Cd)[P02] 4 Stations ; D Petroleum hydrocarbons[P03] 4 Stations ; D Underway Measurements Subsurface current observation (AC-001 -- AC-116) Current profiler[D71] 116 Stations ; A Single-beam echosounding[G73] 91 Stations ; A Floating tar balls sampling (using with Neuston net)[P03] 1 Station ; B Oil slicks and floating pollutants (Daytime only)[P90] 14 Days ; B Meteorological observation Routine standard measurements[M06] 362 Times ; C Ocean wave observation[D72] 745 Times ; C Mooring, Bottom Mounted Gear and Drifting Systems Deployed ; Drifting buoy station Latitude Longitude Date Time System[Data Type] ;PI -------------------------------------------------------------------------------- 21709 29-33.30N 126-34.50E 2010/01/16 10:28 Drifting Bouy[D05] ; E Equipments and/or Standard Procedures CTD/Multi Bottle Sampler/Software SBE 9plus CTD (S/N 09P16140-0481). Sea-Bird 32 CAROUSEL 12-positions Water Sampler (S/N 3242637-0573) with 1.7 liters Niskin bottles. Sea-Bird Seasave and Data Processing Ver.5.28a Salinity Guildline AUTOSAL 8400B (S/N 68614). IAPSO standard sea water P150. Dissolved Oxygen KIMOTO ELECTRIC CO.,LTD. DOT-01X. Nutrients Technicon Auto Analyzer II in 3 channel system. Chlorophyll a and phaeophytin In vitro fluorometric method Turner designs Fluorometer 10-AU-005CE. Underway Measurements ADCP manufactured by Furuno Co. Ltd. The instrument computes ship velocity from navigation data every 15 seconds using 10 minutes position distance and smoothes these velocities through 1 minute running mean filter. Raytheon RD-100 echosounder. Ocean wave Tsurumi Micro-wave wavemeter. Correction and Calibration CTD SBE 9plus CTD (S/N 09P16140-0481) Pump (S/N 053887) Temperature (S/N 03P2312) Calibrated 2009/09/04 at SEA-BIRD ELECTRONICS,INC. Formulas : ITS-90 = 1/(g+(h+(i+j*(lnf0/f))*lnf0/f)*lnf0/f)-273.15 ITS-68 = ITS-90*1.00024 where g : 4.34859453e-03 h : 6.40803735e-04 i : 2.32527904e-05 j : 2.24238219e-06 f : output frequency [Hz] f0: 1000.000 Pressure (S/N 69006) Calibrated 2009/12/09 at SEA-BIRD ELECTRONICS,INC. Formulas : Pm = C(1-(T0*T0/(T*T)))(1-D(1-(T0*T0/(T*T)))) [psia] where C = C1+(C2+C3*U)*U D = D1+D2*U T0= T1+(T2+(T3+T4*U)*U)*U T : pressure period [micro second] U : temperature [degC] C1: -4.925850e+04 C2: 1.071788e-01 C3: 1.520400e-02 D1: 3.695600e-02 D2: 0.000000e+00 T1: 3.027823e+01 T2: -3.263436e-04 T3: 4.197870e-06 T4: 2.862550e-09 Calibrated 2009/12/09 at SEA-BIRD ELECTRONICS,INC. Linear Fit Formulas : P = A+(B+(C+D*Pm)*Pm)*Pm where ----------------------------------------------------- A -0.5971E+00 B 0.99991E+00 C 0.00000 D 0.00000 Conductivity (S/N 041918) Calibrated 2009/08/27 at SEA-BIRD ELECTRONICS,INC. Formulas : Cm = (g+(h+(i+j*f)*f)*f*f)/(10*(1+CTcor*t+CPcor*p)) [Siemens/meter] where g : -4.09857034e+00 h : 5.26212020e-01 i : -9.12262741e-04 j : 7.07512782e-05 CTcor : 3.25e-06 CPcor : -9.57e-08 t : temperature [degC] p : pressure [decibars] f : instrument frequency [kHz] A recursive filter to remove conductivity cell thermal mass effects from the measured conductivity Formulas : Cc = Cm+ctm where ctm = -1.0*b*previous ctm+a*dcdt*dt dt = temperature-previous temperature a = 2*alpha/(sample interval*beta+2) b = 1-(2*a/alpha) dcdt = 0.1*(1.0+0.006*(temperature-20)) alpha : 0.04 1/beta : 8.0 Calibrated with Salinity measurements. Linear Fit; Formulas : C0 = A + B*P where P A B ------------------------------------------------- NC7703 - NC7718 0- 101 0.99997 -0.00000010 102- 403 0.99992 0.00000035 404- 604 1.00012 -0.00000016 605- 907 1.00013 -0.00000017 908-1500 0.99998 0.00000000 NC7719 - NC7771 0- 206 1.00001 0.00000003 207- 503 0.99997 0.00000023 504-1010 1.00016 -0.00000015 1011-2100 1.00002 -0.00000001 NC7772 - NC7792 0- 105 1.00000 0.00000008 106- 252 0.99996 0.00000043 253- 378 1.00017 -0.00000039 379- 609 0.99992 0.00000027 610- 803 1.00028 -0.00000032 804-1500 1.00006 -0.00000005 Remarks The time is expressed in the Japan Standard Time (JST) that is 9 hours ahead of the Cordinated Universal Time(UTC).