Tag Archives: university of washington

Scientists want a detailed picture of Mount St. Helens’ plumbing

Earth scientists are laying plans for a two-year study covering a broad area of southwestern Washington to develop a better understanding of how Mount St. Helens gets its supply of volcanic magma.

“The main goal is to understand the plumbing system of the mountain,” said Kenneth Creager, a University of Washington professor of Earth and space sciences who is leading the study. (more…)

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Scientists review the ecological effects of sea ice loss

The Arctic Ocean has more open water each summer, a trend most scientists predict will continue in coming years. September 2012 set the record for the most open water since satellite observations began.

A University of Washington researcher is co-author on a review paper published (Aug. 2) in the journal Science looking at the ecological consequences of sea ice decline.

Led by corresponding author Eric Post, a biologist at Pennsylvania State University, the international team looked at effects on animals ranging from microorganisms to polar bears. As well as obvious changes for organisms that live in or on the ice, there also are trickle-down effects for food webs, animal behavior, species ranges, interbreeding and disease dynamics. (more…)

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Santa’s workshop not flooded – but lots of melting in the Arctic

Santa’s workshop at the North Pole is not under water, despite recent reports. A dramatic image captured by a University of Washington monitoring buoy reportedly shows a lake at the North Pole. But Santa doesn’t yet need to buy a snorkel.

“Every summer when the sun melts the surface the water has to go someplace, so it accumulates in these ponds,” said Jamie Morison, a polar scientist at the UW Applied Physics Laboratory and principal investigator since 2000 of the North Pole Environmental Observatory. “This doesn’t look particularly extreme.” (more…)

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Nighttime heat waves quadruple in Pacific Northwest

Nighttime heat waves are becoming more frequent in western Washington and Oregon.

And if you don’t sleep well in hot weather, this might be a good time to buy a fan, since records show that on average heat waves tend to strike around the last week of July.

University of Washington research shows that the region west of the Cascades saw only three nighttime heat waves between 1901 and 1980, but that number quadrupled to 12 nighttime heat waves in the three decades after 1980, according to a paper published in the July issue of the Journal of Applied Meteorology and Climatology. (more…)

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Ecological forces structure your body’s personal mix of microbes

Environmental conditions have a much stronger influence on the mix of microbes living in various parts of your body than does competition between species. Instead of excluding each other, microbes that fiercely compete for similar resources are more likely to cohabit in the same individual.

This phenomenon was discovered in a recent study of the human microbiome – the vast collection of our resident bacteria, fungi, and other tiny organisms. (more…)

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Global study stresses importance of public Internet access

Millions of people in low-income countries still depend on public computer and Internet access venues despite the global proliferation of mobile phones and home computers. However, interest in providing such public access has waned in recent years, especially among development agencies, as new technologies become available.

But a five-year, eight-country study recently concluded by the Technology & Social Change Group at the University of Washington Information School has found that community access to computer and Internet technology remains a crucial resource for connecting people to the information and skills they need in an increasingly digital world. (more…)

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Link between low vitamin D blood levels and heart disease varies by race

Low vitamin D blood levels are linked to greater risk of heart disease in whites and Chinese, but not in blacks and Hispanics, according to a study appearing this week in JAMA, the Journal of the American Medical Association.

Growing evidence has suggested that low blood levels of 25-hydroxyvitamin are associated with higher risk of developing coronary heart disease among whites. Few of these studies included substantial numbers of people from other races. (more…)

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Hazy days of summer: Southeast U.S. field work measures mercury, smog

Dozens of atmospheric scientists, including three University of Washington faculty members, are taking part in what’s being described as one of the largest atmospheric field campaigns in decades.

The six-week Southeast Atmosphere Study, through July 15, includes scientists from more than 30 different institutions. Together they are studying how pollutants combine with natural vegetation emissions to affect climate and air quality in the Southeastern U.S. (more…)

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