wod profiles

[HyunChaeJung]

https://www.ncei.noaa.gov/products/world-ocean-database

[HyunChaeJung]

CTD, PFL 이 안정적

[HyunChaeJung]

[HyunChaeJung]

[공주대 장유순 교수님, QC 프로그램 REF]

• Boyer and Levitus (1994) Quality control and processing of historical temperature, salinity and oxygen data.

• Chang et al., (2009) Objective analysis of monthly temperature and salinity for the world ocean in the 21st century: Comparison with World Ocean Atlas and application to assimilation validation.

[HyunChaeJung]

[WOD NETCDF 데이터 문제] + 생지화학변수....

• 생지화학 변수는 공주대 툴 적용되지 않음.
• NETCDF 포맷 자료 구조 : wod_??????????.nc 파일에 1 point/1 date 자료가 들어가 있음.

  .....
  wod_020315047O.nc wod_019823062O.nc  wod_019823417O.nc  wod_020189344O.nc  wod_020189448O.nc  wod_020315048O.nc wod_019823066O.nc  wod_019823419O.nc  wod_020189345O.nc  wod_020189449O.nc  wod_020315049O.nc wod_019823076O.nc  wod_019823424O.nc  wod_020189346O.nc  wod_020189450O.nc wod_020315050O.nc ......
  netcdf wod_020315036O {
  dimensions:
      z = 1962 ;
      strnlen = 200 ;
  variables:
      char country(strnlen) ;
      char WOD_cruise_identifier(strnlen) ;
              WOD_cruise_identifier:comment = "two byte country code + WOD cruise number (unique to country code)" ;
              WOD_cruise_identifier:long_name = "WOD_cruise_identifier" ;
      char originators_cruise_identifier(strnlen) ;
      int wod_unique_cast ;
              wod_unique_cast:cf_role = "profile_id" ;
      char originators_station_identifier(strnlen) ;
              originators_station_identifier:long_name = "originators_station_identifier" ;
      float lat ;
              lat:standard_name = "latitude" ;
              lat:long_name = "latitude" ;
              lat:units = "degrees_north" ;
              lat:axis = "Y" ;
      float lon ;
              lon:standard_name = "longitude" ;
              lon:long_name = "longitude" ;
              lon:units = "degrees_east" ;
              lon:axis = "X" ;
      double time ;
              time:standard_name = "time" ;
              time:long_name = "time" ;
              time:units = "days since 1770-01-01 00:00:00" ;
              time:axis = "T" ;
      int date ;
              date:long_name = "date" ;
              date:comment = "YYYYMMDD" ;
      float GMT_time ;
              GMT_time:long_name = "GMT_time" ;
  ....
      float z(z) ;
              z:standard_name = "altitude" ;
              z:long_name = "depth_below_sea_level" ;
              z:units = "m" ;
              z:positive = "down" ;
      short z_origflag(z) ;
              z_origflag:flag_definitions = "Odflag" ;
      short z_WODflag(z) ;
      short z_sigfig(z) ;
      float Temperature(z) ;
              Temperature:long_name = "Temperature" ;
              Temperature:standard_name = "sea_water_temperature" ;
              Temperature:units = "degree_C" ;
              Temperature:coordinates = "time lat lon z" ;
              Temperature:grid_mapping = "crs" ;
      short Temperature_sigfigs(z) ;
      short Temperature_WODflag(z) ;
              Temperature_WODflag:flag_definitions = "WODf" ;
      short Temperature_origflag(z) ;
              Temperature_origflag:flag_definitions = "Oflag" ;
      short Temperature_WODprofileflag ;
              Temperature_WODprofileflag:flag_definitions = "WODfp" ;
      char Temperature_Scale(strnlen) ;
              Temperature_Scale:long_name = "Scale upon which values were measured" ;
  ....

[HyunChaeJung]

[WOD]

ctd, xbt, pfl, drb, mrb 중에서 CTD, PFL이 안정적