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The characteristics of the lower stratospheric gravity wave field above Halley (75°S, 26°W), Antarctica, from radiosonde observations

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first_imgDaily radiosonde observations between 2003 and 2013 from Halley research station, Antarctica (75°S, 26°W) are used to determine climatologies of gravity wave properties in the lower stratosphere (between 15 km and 22 km altitude). Individual waves are extracted from the radiosonde profile using wavelet analysis and separated into upward and downward propagating waves. An increase in the percentage of downward propagating waves (~30% of the waves) is seen during the winter months. For the upward and downward propagating waves their horizontal and vertical wavelength, intrinsic frequency, energy density, pseudo-momentum flux and direction of propagation are determined. The upward propagating wave field is found to be dominated by waves with short vertical wavelength (~1 km) and low intrinsic frequency (ω~f). The downward propagating wave field is composed of a wider distribution of vertical wavelength waves and has a larger proportion of higher frequency waves present. The upward propagating waves show an increase in total energy density in autumn and spring, the larger increase occurs during spring (up to 1.7 J kg-1 in September). The downward propagating waves increase in total energy density occurs during wintertime (up to 0.7 J kg-1 in June). During winter the contributions of the upward and downward propagating waves to the total energy density and pseudo-momentum flux are almost equal. This paper details the first study of individual gravity wave properties combined into upward and downward propagating wave climatologies in the lower stratosphere above Halley.last_img read more

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Qatar to leave OPEC from January 2019

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first_imgLNG World News Staff Image courtesy of Qatar PetroleumWorld’s largest liquefied natural gas exporter Qatar has decided to step away from the Organization of the Petroleum Exporting Countries (OPEC). Speaking at a news conference, Qatar’s minister of state for energy affairs, Qatar Petroleum’s president and CEO Saad Sherida Al-Kaabi, the country is set to withdraw effective January 1, 2019.Al-Kaabi, said, “Qatar has worked diligently during the past few years to develop a future strategy based on growth and expansion, both in its activities at home and abroad.”The decision follows Qatar’s revision of its international role as well as its long-term strategy that will put even more focus on its natural gas industry.Al-Kaabi added that Qatar is set to attend this week’s OPEC meeting in Vienna. OPEC members will be meeting in Austria to discuss supply cuts.Qatar, currently producing 77 mtpa of LNG has devised plans to increase the production capacity to 110 mpta.last_img read more

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Andy Ruiz Jr. admits he gained too much weight in loss to Anthony Joshua: ‘I didn’t prepare how I should have’

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first_imgAndy Ruiz admits he gained too much weight ahead of his heavyweight title rematch with Anthony Joshua in Saudi Arabia this weekend. Ruiz shocked the world by scoring a seventh-round knockout win over Joshua to claim the WBA (Super), WBF, IBO and IBF titles in their first encounter in June at Madison Square Garden. Six months later, there was another shock at the weigh-ins ahead of the rematch, as Ruiz tipped the scales at a whopping 283 pounds.  Joshua ranked the victory second amoung his wins, with only his knockout of Wladimir Klitschko above it. “I respect Andy, a man that beat me fair and square, it was like an exam I failed the first time, but I came back and studied harder and I got the W,” he said. “Where does it rank? No. 2, because the fight with Wladimir Klitschko meant so much to me because I learnt so much.”I respect Wladimir so much because he gives me so much advice. That fight with Wladimir is what created this night here, and that’s why it will always rank No. 1.” That’s 15 pounds heavier than their first meeting, rmaking the American the second heaviest defending heavyweight champion in boxing history behind 7-foot-tall Nikolai Valuev.Meanwhile, Joshua shed 10 pounds to 237 as he prepared to win back his heavyweight titles. Andy Ruiz: “For this fight, I was overweight. … I should have trained harder. I should have listened to my coaches more. Maybe I shouldn’t have put on all this weight that I did.” #RuizJoshua2 pic.twitter.com/EfYvMNzpbG— Mike Coppinger (@MikeCoppinger) December 7, 2019Andy Ruiz says “I’d like to say the three months of partying didn’t affect me, but it did. … I think the partying and all this stuff got the best of me.” He apologized you trainer Manny Robles, who hasn’t changed his expression #RuizJoshua2 pic.twitter.com/7IfHZpnIqE— Mike Coppinger (@MikeCoppinger) December 7, 2019In the event, Joshua put on a boxing masterclass, moving as well as he ever has and jabbing Ruiz into oblivion to win a one-sided unanimous decision with scores of 118-110, 118-110 and 119-109.Speaking after the fight, Ruiz admitted that he’d gained too much weight and hadn’t trained like he should have. “It was (Joshua’s) night. I didn’t prepare how I should have,” he said. “I gained too much weight.”He won, he boxed me around. If we do it a third time, I’m going to be in shape. I thought I was going to be stronger and better, but next fight I’m going to be more well-prepared. I don’t want to give any excuses.” last_img read more

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Adopt-A-Pet Dog of the Week: SnowBear

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first_imgFacebook0Tweet0Pin0Submitted by Adopt-A-PetMeet SnowBear!  He is a handsome, 14-pound, 9-year-old, longhair Chihuahua mix.  The volunteers enjoy holding this soft bundle of love.  SnowBear looks like he just stepped out of a doggie-spa with his faintly-freckled coat of silky-white. He enjoys people, walks, and car rides and is looking for some lucky person to spend quality time with (perhaps on a lap) where he is most safe and happy. His big brown forever-puppy eyes and wagging tail will reward you for choosing him to be your companion.If you have further questions or would like to schedule an appointment to meet SnowBear in person, please contact the adoption team at Shelton Adopt-a-Pet. Emails are the preferred method of communication.Adopt-A-Pet has many great dogs and always need volunteers. To see all our current dogs, visit the Adopt-A-Pet website, our Facebook page or at the shelter on Jensen Road in Shelton. For more information, email [email protected] or call 360-432-3091.last_img read more

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