Rangkaan topik

  • General

    Tutup semua Kembangkan semua
    • URL ikon
      Japanese URL

    • This page provides an easy-to-read overview of the class and relevant links.
      For the most up-to-date "Class Plan", "Grading Criteria and Methods," and other information,
      be sure to check the official syllabus of Hokkaido University.

    • Teacher

      • KUDO Isao (Faculty of Fisheries Sciences)
      • OOKI Atsushi (Faculty of Fisheries Sciences)
      • ISHIHARA Chiaki (Faculty of Fisheries Sciences)　
      • YOSHIMURA Takeshi (Faculty of Fisheries Sciences)
      • WADA Satoshi (Faculty of Fisheries Sciences)
      • NOMURA Daiki (Field Science Center for Northern Biosphere (Hakodate))  

    • Questions regarding this class should be directed to the responsible faculty member, Takeshi Yoshimura (yoshimura-t@fish.hokudai.ac.jp).

    • Forum ikon
      アナウンスメント Forum

  • Experiment 1: Basic operation of laboratory equipment, volumetric analysis (measurement of dissolved oxygen) 【Teacher: OOKI】

    • ・Learn to measure capacity (click on image to watch video)

      　　

      　whole pipette　　　　　　burette　　　　　　　　Standard sample (electronic balance)


      Dissolved oxygen concentration in seawater is measured by the Winkler method (click image to watch video)

      　  

      　procedure　　　　　　　　principle①～③　（Sorry for the annoying face during playing...）


    • URL ikon
      Oshoro-Maru Basic Boarding Practice (YouTube playlist) URL

      Students will also learn to collect water from a Niskin water sampler in the student laboratory according to the water collection methods ① and ② in the playlist.

  • Experiment 2: Spectrophotometry (measurement of phosphate), Fluorescence spectrophotometry (measurement of chlorophyll-a) 【Teacher: YOSHIMURA】

    Students will learn spectrophotometry and fluorometry practically through the measurement of phosphate and chlorophyll-a, which are basic oceanographic observation parameters.


    図

  • Experiment 3: Phytoplankton culture experiment【Teacher: KUDO】

  • Experiment 4: Determination of Chemical Oxygen Demand (COD)【Teacher: NOMURA】

  • Experiment 5: Experiment of marine sediments collected during shipboard training Ⅰ【Teacher: OOKI】

    • Marine sediments are collected during shipboard training (click on image to watch video)

       　　

      Separate sediment samples　Absorb water (pore water) in sediments

      We will use multiple corers on Oshoro-Maru.



      The above process is performed on board the ship, and after disembarkation, the concentration of dissolved iron and the amount of acid volatile sulfide are measured in the student experiment.

      (Each group will receive analytical samples even if they do not participate in the shipboard training. In the event that sediment samples cannot be collected due to inclement weather or other reasons, changes will be made, such as using sediment samples from Funka-Bay)

      Here is a description of the marine sediments (click on the image to link to the description page)

      (Go to Chemistry of Sediments "Introduction")


  • Experiment 6: Determination of phosphate in seawater samples collected during shopboard training Ⅰ【Teacher: YOSHIMURA】

    Analyze phosphate in seawater collected during the shipboard training Ⅰ using the Oshoro-Maru to determine the vertical distribution of phosphate concentration in the on-site sea area.

    図

  • Experiment 7: Survey of biota in Nanaehama Beach【Teacher: WADA, ISHIHARA】

  • 【 Related Courses 】