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Watanabe Lab
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The lab uses climate models to explore how climate change works and how predictable it is.

AboutAbout the lab
Solving how the climate changes with numerical models
The Watanabe Lab studies the mechanisms and predictability of climate change.
The lab belongs to the Climate Variability Research Section of the Climate System Research Division at the Atmosphere and Ocean Research Institute.
Research combines numerical experiments using climate models and Earth system models with data analysis ranging from in-situ observations to satellite observations.
The main themes are the dynamics of large-scale atmospheric circulation, climate modeling, and air-sea interaction.
Key terms
- Climate model
- A numerical model that represents the workings of the atmosphere, ocean, snow and ice, and land surface with mathematical equations and reproduces the climate on a computer
- Predictability
- An outlook on how far into the future, and with what degree of certainty, a given phenomenon can be predicted
- Air-sea interaction
- The mutual exchange in which the ocean changes the flow of the atmosphere, and that atmosphere in turn acts back on the ocean
ResearchResearch themes
As part of the Climate Variability Research Section, the lab aims to understand the mechanisms of ongoing global warming and of a wide range of natural climate variability phenomena. Its research combines numerical experiments using climate models and Earth system models with data analysis ranging from in-situ observations to satellite observations.
*Illustrative imageMechanisms and predictability of climate change
The lab studies how climate change occurs and how far it can be predicted. It approaches these questions both through experiments with numerical climate models and through analysis of observational data.
*Illustrative imageDynamics of large-scale atmospheric circulation
The lab investigates what dynamics determine the large-scale wind patterns that circulate around the globe, and how those patterns change. Phenomena on different time scales are involved, from daily weather to extreme weather lasting several tens of days to decadal variability.
*Illustrative imageAir-sea interaction
The lab studies how the atmosphere and the ocean influence each other (air-sea interaction). The scope ranges from interannual variability such as El Niño to the long-term trend of global warming.
MembersFaculty
- ProfessorMasahiro WatanabePublications ↗
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Blue Marble Western Hemisphere” NASA / Reto Stöckli / Public domain (cropped)
- Mechanisms and predictability of climate change: “Discover Supercomputer )” NASA Goddard Space Flight Center / Public domain (cropped)
- Dynamics of large-scale atmospheric circulation: “Clouds over Africa (MODIS )” MODIS Land Rapid Response Team, NASA GSFC / Public domain (cropped)
- Air-sea interaction: “El Niño Sea Surface Temperature Anomaly- January, 1997, through December, 1997 (SVS156 - sst 2d)” NASA's Scientific Visualization Studio / Public domain (cropped)
- Related lab (Oka Lab (Division of Climate System Research)): “Deciphering the Maud Rise Polynya in normal color” NASA Earth Observatory images by Lauren Dauphin, using MODIS data from NASA EOSDIS/LANCE and GIBS/Worldview. Story by Kathryn Hansen. / Public domain (cropped)
- Related lab (Imada Lab): “Cumulonimbus cloud ( )” contri / CC BY-SA 2.0 (cropped)
- Related lab (Yoshimori Lab): “Mosaic of the Arctic” NASA / Public domain (cropped)
- Related lab (Satoh Lab): “Super Typhoon Oscar SE of Japan near peak intensity (2268-432)” NOAA
(GMS-5衛星) / Public domain (cropped)
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