Atmospheric Observation


  • The observation setup at the Mini Hotel, one of the two hotels in the island.

  • A chilled-mirror hygrometer, "SnowWhite" Mar00 Version. Electric circuit and sensor box attached on to an aluminum radiator situated in a Styrofoam flight box.

  • Preparation of the SnowWhite-ECC-TMAX-RS80 sonde.

  • Balloon preparation. (The third photo shows a TA350-type balloon for the GPS-radiosonde hung on the antenna.)

  • Day-time flight and night-time flight.


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    Masatomo Fujiwara
    Environmental Earth Science, Hokkaido University, Japan