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Tuesday 16 September 2008

Stellar Insights: Using the TeraGrid to Understand the Stars

image thumbnail Our understanding of the Sun, and other stars like it, has been continually growing. But the last 20 years have been revolutionary. Improved technologies and observational capacity have led to entire new fields of study like helioseismology and asteroseismology that look at the global oscillations of the Sun and other stars to deduce their internal structure.

Travis Metcalfe, a scientist at NCAR's High Altitude Observatory and CISL, is using the TeraGrid to analyze new data about solar and stellar oscillations from satellites. He is also validating the results by comparing them with ground-based observations.

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Beijing Summer Olympics and the Forecast Demonstration Project

feature thumbnail The Institute of Urban Meteorology (IUM) of the Beijing Meteorological Bureau (BMB) and NCAR are working collaboratively to transfer the AutoNowCaster (ANC) system to the BMB, and to develop it further to adapt to the local terrain and climate.

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Hurricane Bertha’s Worrisome Arrival

image thumbnail Chris Mooney, online pundit at The Daily Green, writes of his conversation with NCAR Senior Scientist Greg Holland concerning the early arrival of such an intense hurricane.  Bertha formed just before Independence Day last week, exploding into a powerful Category 3 major hurricane Monday with 120 mile per hour winds.

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ARCTAS: Measuring the Arctic’s Haze and Smoke

thumbnailThe Arctic is often perceived as a pristine place, located as it is far from the world’s smokestacks. And yet its atmosphere serves as a receptor for air pollution from the industrial regions of North America, Europe, and Asia. The reddish-brown soup of pollution that peaks in late winter and early spring even has a name—Arctic haze. During the summer, smoke from wildfires joins the mix. This spring and summer, NCAR researchers from ESSL/ACD and EOL are supporting a NASA field project to investigate the chemistry of the Arctic’s lower atmosphere.

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Hurricane Ike’s Sprawl a Meteorological Mystery

Discovery Channel Online (15 September 2008)

image thumbnail Considering the vastly different dangers posed by [hurricanes], it's natural to wonder just why some storms get so big while others stay small, despite having the same hurricane-force winds. 'This is actually a very important and unresolved question in the science right now,' said senior scientist Chris Davis at the National Center for Atmospheric Research. There are a few theories out there, he said, some of which look to the number of cloud clusters around a storm in its early days. [read more]

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Education & Outreach

You can explore the atmosphere, too. From the learning games on Kid's Crossing, to Windows to the Universe, there are many ways to learn about our atmosphere, and the scientists who study it.

There are opportunities for undergraduates with internship programs such as SOARS; and Post graduate students should explore the opportunities to work with NCAR, via the Advanced Study Program.

NCAR is committed to developing and enhancing public interest in and understanding of science. Educators can take an online course, view teaching resources by grade-level in the Educator's Bridge, or get up-to-speed on Weather & Climate Basics.

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