(G1) Atmospheric science
      Convener: Kaoru SATO, John WALSH

(G2) Ocean and sea ice
      Convener: Michiyo YAMAMOTO-KAWAI, Andrey PROSHUTINSKY

(G3) Hydrology, permafrost and snow cover
      Convener: Tetsuya HIYAMA, Larry HINZMAN

(G4) Ice sheets, glaciers and ice cores
      Convener: Shuhei TAKAHASHI, Maria ANANICHEVA

(G5) Terrestrial ecosystem
      Convener: Rikie SUZUKI, Walter OECHEL

(G6) Marine ecosystem
      Convener: Sei-Ichi SAITO, Sang H. LEE

(G7) Interdisciplinary modeling studies
      Convener: Toru NOZAWA, Kumiko TAKATA

(S1)  Polar (Arctic) amplification in global warming
(Convener: Hiroshi L. TANAKA,  Vladimir ALEXEEV)

(S2)  Changes in water and carbon cycles of terrestrial ecosystem on permafrost in a warming Arctic
(Convener: Atsuko SUGIMOTO,　J. van HUISSTEDEN)

(S3)  Changes in the Greenland ice sheet in the context of interactions with the atmosphere and the ocean
(Convener: Teruo AOKI, Konrad STEFFEN, Shin SUGIYAMA)

(S4)  International cooperation on Arctic observation and research
(Convener: Tetsuo OHATA, Volker RACHOLD)

(S5)  GRENE Arctic project
(Convener: Hiroyuki ENOMOTO , Takashi YAMANOUCHI)