Ship Name: R/V Kofu Maru (JDWX)
Organization: Hakodate Marine Observatory(HMO)
Cruise No./Name: 10-01
Area: East of Honshu
Miles of Track: 2,713NM
Chief Scientist: Tatsuo Nakamura

Ports of Call and Cruise Dates
         Departure                   Arrival
  --------------------------------------------------------------
  Leg 1: 2010/01/19 (Hakodate)  -  2010/01/30 (Shiogama)
  Leg 2: 2010/02/03 (Shiogama)  -  2010/02/17 (Hakodate)
  
General Ocean Area(s): North Pacific Ocean
Specific Areas:
Geographic Coverage: 130/166
Project Name: NEAR-GOOS, JCOMM, WESTPAC
Coordinating body: WMO, 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 Investigator

   A; T.Nakamura, Oceanographical Division, HMO.
   B; T.Saitou, Maritime Meteorological Division, HMO.
   C; S.Minato, Global Environment and Marine Department, Japan Meteorological Agency(JMA).
   D; K.Ogawa, Global Environment and Marine Department, JMA.
   
Summary of Measurements and Samples taken

  Description[DATA TYPE]                                        PI
  --------------------------------------------------------------------------
  Hydrographical Observation            (KH2626 - KH-2689)
    CTD Stations[H10]                              64 Stations ; A
    Salinity[H90]                                  12 Stations ; A
    Oxygen[H21]                                     6 Stations ; A
    Phosphate[H22]                                  6 Stations ; A
    Nitrate[H24]                                    6 Stations ; A
    Nitrite[H25]                                    6 Stations ; A
    Chlorophyll a and phaeopigments[B02]            6 Stations ; A
    Heavy metals(Hg,Cd)[P02]                        2 Stations ; C
    Dissolved or dispersive petroleum
                         hydrocarbons[P03]          2 Stations ; C

  Underway Measurements
    Subsurface Current Observation     (AH-001 - AH-103)
     Acoustic Current Meter[D71]                  103 Stations ; A
    Surface measurements underway(T,S)[H71]      2713 NM       ; A
    Single-beam echosounding[G73]                  64 Stations ; A
    Oil slicks and floating pollutants
       (Daytime only)[P90]                         15 Days     ; A

  Meteorological Observation
    Routine standard measurements[M06]            129 Times    ; B
    Hourly Weather report except M06[M90]         259 Times    ; B
    Upper air Observations[M01]                     4 Ascents  ; B
  
  Ocean wave Observation[D72]                     259 Times    ; B
    (Using micro-wave gauge)

Mooring, bottom mounted gear and drifting system

  Station Latitude  Longitude  Depth Date       System[Data type] ;PI
 --------------------------------------------------------------------
  Deployed:
    21600 36-59.89N 144-58.80E 2010/02/04 Drifting Ocean Data Buoy [D05] ; D

Equipments and/or Standard Procedures

  CTD/Multi Bottle Sampler/Software
    Sea-Bird 9 plus (S/N 09P35251-0760).
    Sea-Bird 32 Carousel Water Sampler(S/N3235251-0501) with 1.7liters Niskin bottles.
    Sea-bird Seasave and Data Processing Ver.7.18

  Salinity
    Guildline AUTOSAL 8400B (S/N 69518).

  Dissolved Oxygen
    Modified Carpenter method by Kimoto electroric DOX-01T(semi-automated,photometric end point).

  Nutrients
    Technicon Auto Analyzer II in 3 channel system.

  Chlorophyll a and phaeopigments
    In vitro fluorometric method Turner designs Fluorometer 10-AU-005CE.

  Underway measurements
    Furuno Denki Acoustic Current Meter CI-20-H (130 kHz).
    SEA-BIRD ELECTRONICS Thermosalinograph Model SBE 21 (S/N 2120042-2739).
    Kaijo Echosounder WD-110.

Correction and Calibration
  CTD
    Sea Bird 9 plus (S/N 09P35251-0760).

      Temperature(S/N 03P4437)
      Calibrated 2009/12/08 at Sea-Bird Electronics, INC.
       Formulas  : T(ITS-90) = 1/(g+h*(ln(f0/f))+i*(ln^2(f0/f))+j*(ln^3(f0/f))-273.15 [Deg.C]
                   g = 4.33424802e-003
                   h = 6.37479573e-004
                   i = 2.12870422e-005
                   j = 1.87061330e-006
                  f0 = 1000.0

     Pressure(S/N 91529)
      Calibrated 2009/12/10 at Sea-Bird Electronics, INC.
       Formulas : P = C*(1-(T0^2/(T^2)))(1-D*(1-(T0^2/(T^2))))   [psia]
                   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 [degC]
                  C1 =-4.959020e+004
                  C2 = 5.955454e-001
                  C3 = 1.521070e-002
                  D1 = 3.670600e-002
                  D2 = 0.000000e+000
                  T1 = 3.006343e+001
                  T2 =-1.267270e-004
                  T3 = 3.974510e-006
                  T4 = 3.613180e-009
                  T5 = 0.000000e+000

     Conductivity(S/N 042987)
      Calibrated 2009/12/08 at Sea-Bird Electronics, INC.
       Formulas : C0 = (g+h*f^2+i*f^3+j*f^4)/(10*(1+CTcor*t+CPcor*p))  [Siemens/m]
                   C = (A+B*C0)                                        [Siemens/m]
                   where
                   g =-1.00621215e+001
                   h = 1.38194462e+000
                   i = 3.08977077e-004
                   j = 5.42090889e-005
               CPcor =-9.5700e-008 (nominal)
               CTcor = 3.2500e-006 (nominal)
                   f : Instrument Freq.[kHz]
                   t : temperature     [Deg.C] 
                   p : pressure        [db]

                               A                B
      ---------------------------------------------------------
      KH-2626 - KH2652     -0.0009315        1.000219
      KH-2653 - KH2689     -0.0018612        1.000508

  Thermosalinograph
     Conductivity
      Calibrated with Salinity measurements.
       Formulas : C(INTAKE) = A * C(TSG) + B
                               A                B
      ---------------------------------------------------------
       Leg 1                  0.96105        -1.34196
       Leg 2                  1.00035        -0.00140

  Chlorophyll a and phaeopigments
    The method was calibrated by 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).