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Alaskans brace for storm days after ‘bomb cyclone’ slammed through North Pacific…and more

Salt-impregnated asphalt de-ices itself

asphalt

Living someplace that gets snow in the winter may have its perks, but the ice-melting salt that’s spread on the roads isn’t one of them. Besides the fact that it gets all over our cars and clothing, it also has to be reapplied throughout the winter, harming the environment in the process. If a new type of asphalt reaches production, however, salt-spreading may become a thing of the past. Led by Dr. Seda Kizilel, a team of scientists at Turkey’s Koc University mixed the salt potassium formate with a hydrophobic (water-repelling) polymer known as styrene-butadiene-styrene. That mixture was in turn added to bitumen, which is the main binding ingredient in asphalt. The resulting composite material was found to be just as tough as regular bitumen, yet its salt content “significantly delayed” the formation of ice on its surface…

 

El Niño’s Promise of a Wet California Winter Could be Costly and Dangerous

Our nation experiences some of the most extreme and dangerous weather in the world, and this winter, California faces a particularly severe threat. Forecasts are showing a strong and peaking El Niño that could deliver drenching conditions to the state and throughout the South. These predicted conditions come with an enhanced flood threat through the spring. Making matters worse, much of the landscape in California today is already dry and parched, due in part to historic drought and recent wildfires. This hard, packed soil, combined with vegetation loss and burn scars on the earth, can cause extensive runoff because rainwater and snowmelt won’t effectively be absorbed into the ground. The runoff could turn into destructive flash floods and mud slides, making it vitally important that people are aware and prepared…

 

Alaskans brace for storm days after ‘bomb cyclone’ slammed through North Pacific

Communities in Alaska’s Aleutian Islands are already facing another storm just days after a near-record breaking weather system slammed through their communities peppered along the volcanic island chain in the North Pacific. Much of the Aleutians remain under a storm warning as meteorologists in Anchorage track a system moving into the Bering Sea toward the Prbilof Islands, where it is expected to weaken. A strong wind warning had already…

 

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This entry was posted on 21/12/2015 by in Uncategorized and tagged , , , .

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