Category Archives: Atmosphere

Wimpy Hurricane Season a Surprise — And a Puzzle for Statisticians

It was a hurricane season almost without hurricanes. There were just two, Humberto and Ingrid, and both were relatively wimpy, Category 1 storms. That made the 2013 Atlantic hurricane season, which ended Saturday, the least active in more than 30 years — for reasons that remain puzzling. Continue reading

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Atmosphere and Ocean Dynamics through the Lens of Model Systems

The atmosphere and ocean are central components of the climate system, where each of these components is affected by numerous significant factors through highly nonlinear relationships. It would be impossible to combine all of the important interactions into a single model. Therefore, determining the contribution of each factor, in both a quantitative and qualitative sense, is necessary for the development of a predictive model, not to mention a better understanding, of the climate system. Continue reading

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DIMACS/CCICADA Collaboration on REU and Other Sustainability Projects

The Center for Discrete Mathematics and Theoretical Computer Science (DIMACS) and the Command Control Interoperability Center for Advanced Data Analysis (CCICADA), both based at Rutgers University, have collaborated on some recent activities to enhance the summer experience for several undergraduate students participating in the DIMACS/CCICADA Research Experiences for Undergraduates (REU) program. DIMACS and CCICADA recently co-hosted a workshop on Science and Technology Innovations in Hurricane Sandy Research. Continue reading

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Measuring Carbon Footprints

Releasing a ton of carbon dioxide into the atmosphere has quite a different effect on the global average temperature than releasing a ton of methane. Have you ever wondered how the effects of different greenhouse gases are compared? Continue reading

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A View of Prediction of the Atmosphere

This morning I heard a lecture by Rick Anthes, president emeritus of UCAR, former director of NCAR. His talk was entitled “Butterflies and Demons,” and the subject was predictability of weather and climate. He was a witness to, and participant in the development of numerical weather prediction in the form it exists today at weather centers worldwide. It was a particularly interesting and provocative talk.
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Atmospheric waves and the organization of tropical weather

Though waves of one sort or another are a ubiquitous part of our daily experience, we have to get on with our lives, and therefore tend not to think of the wavelike nature of daily phenomena. Those fortunate among us who can escape to the shore on a hot August week can then take the time to observe the sea and the waves she sends us. Continue reading

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Ice Floes, Coriolis Acceleration and Estimating the Viscosity of Air and Water

I have wanted to run this story down since I saw the reference in Lamb’s Hydrodynamics to a paper by G. I. Taylor that contains a description of what oceanic and atmospheric scientists call “Ekman layers.” Physical oceanographers learn early … Continue reading

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