is a Japanese

climatologist Climatology (from Greek , ''klima'', "place, zone"; and , ''-logia'') or climate science is the scientific study of Earth's climate, typically defined as weather conditions averaged over a period of at least 30 years. This modern field of study ...

, known for his discovery and contributions to the theory of

global dimming Global dimming is the reduction in the amount of global direct irradiance at the Earth's surface that has been observed since systematic measurements began in the 1950s. The effect varies by location, but worldwide it has been estimated to be of ...

. Ohmura was born in the

Bunkyō is a special ward located in Tokyo, Japan. Situated in the middle of the ward area, Bunkyō is a residential and educational center. Beginning in the Meiji period, literati like Natsume Sōseki, as well as scholars and politicians have lived th ...

ward of Tokyo in 1942. In 1965 he graduated with a B.Sc. from the

University of Tokyo , abbreviated as or UTokyo, is a public research university located in Bunkyō, Tokyo, Japan. Established in 1877, the university was the first Imperial University and is currently a Top Type university of the Top Global University Project by ...

and in 1969 received an M.Sc. from

McGill University McGill University (french: link=no, Université McGill) is an English-language public research university located in Montreal, Quebec, Canada. Founded in 1821 by royal charter granted by King George IV,Frost, Stanley Brice. ''McGill Universit ...

. He later received a Dr.sc.nat from the

ETH Zurich (colloquially) , former_name = eidgenössische polytechnische Schule , image = ETHZ.JPG , image_size = , established = , type = Public , budget = CHF 1.896 billion (2021) , rector = Günther Dissertori , president = Joël Mesot , ac ...

. Ohmura is a professor

emeritus ''Emeritus'' (; female: ''emerita'') is an adjective used to designate a retired chair, professor, pastor, bishop, pope, director, president, prime minister, rabbi, emperor, or other person who has been "permitted to retain as an honorary title ...

of the Institute for Atmospheric and Climate Science at ETH Zurich, where he was the leader of the institute's climate research group. The group has strong interests in the

planetary boundary layer In meteorology, the planetary boundary layer (PBL), also known as the atmospheric boundary layer (ABL) or peplosphere, is the lowest part of the atmosphere and its behaviour is directly influenced by its contact with a planetary surface. On Ear ...

and the cryosphere including its interaction with the atmosphere and ocean. The group maintains a general circulation model. Ohmura also initiated the

Baseline Surface Radiation Network Baseline Surface Radiation Network (BSRN) is a project of the World Climate Research Programme (WCRP) and the Global Energy and Water Cycle Experiment ( GEWEX) and as such is aimed detecting important changes in the Earth's radiation field at the Ea ...

(BSRN). In March 2021 he was awarded the IASC Medal by the

International Arctic Science Committee The International Arctic Science Committee (IASC) is a non-governmental organization which is composed of international science groups participating in arctic science research. IASC is an International Scientific Associate of ICSU, and was establi ...

"for outstanding achievements in understanding complex climate and glacier relationships, global energy budgets, and thermal energy flow in the Arctic; and for excellence in program building, international collaborations, and mentorship in the cryospheric sciences."

References

External links

BiographyPersonal webpage
1942 births Living people Japanese climatologists University of Tokyo alumni McGill University alumni ETH Zurich alumni Academic staff of ETH Zurich {{climate-bio-stub