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Too Hot to Exercise? New Research Links Obesity to Temperature and Humidity

By Guest PostJuly 22, 2014Healthandreas hartmann, austin, clot busting drugs, colorado, exercise, grundwasserneubildung, humidity, hydrologische prozesse, link, mountainous areas, obesity, people, stroke treatment, temperature, theresa shireman, university of texas

AUSTIN, Texas — If you live in the South and have trouble exercising during the muggy summer months, you’re not alone. New research by researchers at The University of Texas at Austin has found that adults are less physically active — and more obese — in counties where summers are hot, especially if they are also humid or rainy.

The new study, which appears in the American Journal of Public Health, also found that adults are less active and more obese in counties where winters are especially cold, cloudy and dark. (more…)

Erstes weltweites Gletscherinventar erstellt

By Guest PostMay 11, 2014Environmentantarktis, aus dem eis, colorado, daenemark, david flannigan, deutschland, digital artist, erde, esa, gabriel pulecio, geschichte, glaziologe, hauptlaermquelle, klimawandel, light collider, polen, saturn submerged, tad pfeffer, through, traps infinity, verkehr

Was bisher nur für wenige Gebiete galt, ist jetzt für alle Gletscherregionen der Erde bekannt: „Endlich wissen wir, wie viele Gletscher es auf der Erde gibt, wo sie sich befinden, wie groß sie sind und wie viel Eis in ihnen gespeichert ist“, sagt der Glaziologe Georg Kaser über das von ihm mitinitiierte globale Gletscherinventar.

Eine große internationale Gruppe von Wissenschaftlerinnen und Wissenschaftlern hat so gut wie alle Gletscher auf der Erde kartiert und in computerlesbare Form im Randolph Gletscher Inventar (RGI) zur Verfügung gestellt. Dank dieser Anstrengungen ist es für Glaziologen nun möglich, mit bisher nicht erreichter Genauigkeit die Auswirkungen des Klimawandels auf jeden einzelnen Gletscher weltweit zu berechnen. Insgesamt bedecken die rund 200.000 Gletscher der Erde (ohne die Eischilde Grönlands und der Antarktis) eine Fläche von etwa 730.000 km² und haben ein Volumen von rund 170.000 km³. „Damit wurde die genaue Modellierung der Gletscherreaktion auf Klimaänderungen stark verbessert“ sagt Georg Kaser vom Institut für Meteorologie und Geophysik der Universität Innsbruck. (more…)

Amount of dust blown across the West is increasing, says CU-Boulder study

By Guest PostJune 14, 2013Environmentacid rain, across the west, aeolian research, arizona, atmospheric calcium, boulder, british columbia, calcium deposition, canada, colorado, data, dust, dust emissions, dust storm, front range, janice brahney, jason neff, mesa verde, nadp, national park, phenomena, rockies, southern rockies, united states, university, university of colorado, utah, western slope, windstorm frequency

The amount of dust being blown across the landscape has increased over the last 17 years in large swaths of the West, according to a new study led by the University of Colorado Boulder.

The escalation in dust emissions — which may be due to the interplay of several factors, including increased windstorm frequency, drought cycles and changing land-use patterns — has implications both for the areas where the dust is first picked up by the winds and for the places where the dust is put back down. (more…)

NASA Opens New Era in Measuring Western U.S. Snowpack

By Guest PostMay 7, 2013Environment, Sciencealberta, calgary, california, canadian concern, canadian firm optech, climate change, colorado, dana plateau, data gathering technology, economic benefits, frank gehrke, freshwater supply, hetch hetchy reservoir, itres, jared entin, melt, mountain watersheds, mt dana, mt lyell, nasa airborne mission, nasa headquarters, observatory data, ontario, population growth, sierra nevada, snow observatory mission, snowpack, snowpack volume, tom painter, tuolumne river basin, twin otter aircraft, uncompahgre river basin, united states, upper colorado river, vaughan, Washington, water supply, western united states, yosemite national park

PASADENA, Calif. – A new NASA airborne mission has created the first maps of the entire snowpack of two major mountain watersheds in California and Colorado, producing the most accurate measurements to date of how much water they hold.

The data from NASA’s Airborne Snow Observatory mission will be used to estimate how much water will flow out of the basins when the snow melts. The data-gathering technology could improve water management for 1.5 billion people worldwide who rely on snowmelt for their water supply. (more…)

App Offers Flurry of Exciting Features for Skiers

By Guest PostMarch 18, 2013Technologycanada, China, colorado, heavenly mountain resort, kevin ashley, lake tahoe, Microsoft, nokia collection, randy guthrie, ride app, silicon valley startup, snowboard instructors, windows phone, windows phone 8, winter ski, youtube videos, zoomable

Winter Ski & Ride app for Windows Phone helps you plan ultimate outings, keep track of your friends on the slopes, and beat your personal best.

REDMOND, Wash. – Winter Ski & Ride, a new Windows Phone app in the Nokia Collection, is taking skiing and snowboarding to a new altitude.

Say you’re riding a ski lift to the top of a snow-covered mountain, be it in Colorado, Canada or China. You touch the screen of your Nokia device, with frosty, gloved hands, and pass the lift time by looking at your stats. How many runs have you done? What was your top speed? You look at your contacts, and note what friends are still on the mountain. You decide to ski a mogul-heavy double black diamond run next, and watch a short video by a professional instructor to brush up on your bump skills. (more…)

JILA Physicists Achieve Elusive ‘Evaporative Cooling’ of Molecules

By Guest PostDecember 30, 2012Scienceatoms, bec, bose einstein condensate, boulder, chemical reaction, colorado, control, cool atoms, cup of coffee, electromagnetic pulses, energy state, evaporative cooling, gas, hydrogen atom, hydroxyl radicals, jila, jila theorist, john bohn, jun ye, magnetic fields, millikelvin, mk, molecules, novel way, oh, oh molecules, oxygen atom, physicists, potassium, potassium rubidium molecules, quantum simulators, reactive molecules, rubidium atoms, ultracold chemistry, university

Achieving a goal considered nearly impossible, JILA physicists have chilled a gas of molecules to very low temperatures by adapting the familiar process by which a hot cup of coffee cools.

JILA is a joint institute of the University of Colorado Boulder and the National Institute of Standards and Technology located on the CU-Boulder campus. (more…)

Rise in Teen Marijuana Use Stalls, Use of Synthetic Marijuana and ‘Bath Salts’ is Very Low

By Guest PostDecember 22, 2012Culture, Generaladderall, amphetamines, barbiturates, bath salts, cannabinoids, cannabis, cocaine, colorado, crack, daily use, dea, designer drugs, ecstasy, hallucinations, hallucinogens, heart rate, herbs, heroin, illicit drug, index, indicator of use, k 2, lloyd johnston, lsd, marijuana use, narcotics, oxycontin, paranoia, psychotherapeutic drugs, rise, salvia, salvia divinorum, sedatives, side effect, spice, statistical significance, suicidal thoughts, synthetic cathinones, synthetic marijuana, teen marijuana, tobacco, tranquilizers, vicodin, violent behavior, Washington

ANN ARBOR — National samples of 45,000 to 50,000 students in three grades (8, 10, and 12) have been surveyed every year since 1991 as part of the nationwide Monitoring the Future study. Among the most important findings from this year’s survey of U.S. secondary school students are the following:

Marijuana. After four straight years of increasing use among teens, annual marijuana use showed no further increase in any of the three grades surveyed in 2012. The 2012 annual prevalence rates (i.e., percent using in the prior 12 months) were 11%, 28%, and 36% for 8th, 10th, and 12th graders, respectively. (Among the 8th graders there was a modest decline across the past two years—from 13.7% in 2010 to 11.4% in 2012—that reached statistical significance.) (more…)

Fire and Ice: Wildfires Darkening Greenland Snowpack, Increasing Melting

By Guest PostDecember 13, 2012Environmentaerosols, Arctic, arctic wildfires, calipso, calipso data, colorado, computer models, dark snow project, environmental effect, evidence of smoke, greenland, greenland ice sheet, greenland landscape, high temperatures, ice melts, jason box, mckenzie skiles, melting in greenland, ohio state university, particle trajectories, polar ice, satellite observations, smoke clouds, summer, temperatures rise, thermal images, thomas painter, tundra fires

SAN FRANCISCO — Satellite observations have revealed the first direct evidence of smoke from Arctic wildfires drifting over the Greenland ice sheet, tarnishing the ice with soot and making it more likely to melt under the sun.

At the American Geophysical Union meeting this week, an Ohio State University researcher presented images from NASA’s Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation (CALIPSO) satellite, which captured smoke from Arctic fires billowing out over Greenland during the summer of 2012. (more…)

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