If you made any changes in Pure these will be visible here soon.

Fingerprint Dive into the research topics where Toshihiko Hirooka is active. These topic labels come from the works of this person. Together they form a unique fingerprint.

Earth & Environmental Sciences

stratosphere
planetary wave
Rossby wave
winter
Northern Hemisphere
troposphere
warming
ozone
Southern Hemisphere
zonal wind
polar vortex
Arctic Oscillation
general circulation model
polar region
anomaly
ozone depletion
prediction
mesosphere
wave propagation
total ozone
standing wave
temperature
geopotential
westerly
UARS
CHAMP
atmospheric wave
sudden stratospheric warming
electrojet
sulfur compound
annual variation
long range transport
experiment
heating
gravity wave
divergence
cooling
atmosphere
eddy
tropopause
GPS

Physics & Astronomy

Geosciences

stratosphere
ozone depletion
ionospheric currents
electrojets
stratopause

Aerospace Sciences

planetary waves
winter
Northern Hemisphere
polar regions
radio occultation
troposphere
mesosphere
geopotential height
Southern Hemisphere

Engineering

stratospheric warming
heating

Chemistry and Materials

ozone

General

hemispheres
night
anomalies
wave packets
predictions
counters
propagation

Physics

wave propagation
gravity waves
quasi-biennial oscillation