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時間:2022-08-15 來源:本站 點擊:258次
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Tonga volcanic eruption not likely to cause global climate change, says New Zealand volcanologist******

The Tonga volcanic eruption is not likely to cause global climate change, while the volcanic ash and acid rain may damage crops and water supply, a leading New Zealand volcanologist said Monday.。

Professor Shane Cronin of the University of Auckland, who visited the Hunga-Tonga Hunga-Ha'apai volcano in November 2015, has explained the uniqueness of the volcanic event and its impacts.。

According to the professor, the most significant impact so far has been the tsunami generated at the beginning of the eruption.。

"Thankfully, the tsunami in Tonga was not so big," said the professor.。

All the homes on one of Tonga's small outer islands were destroyed in the massive volcanic eruption and tsunami, with three people confirmed dead so far, the government said on Tuesday in its first update since the disaster hit.。

"But mostly the damage is not so far from the coast and especially confined to a few very low-lying areas. Thankfully, most people were able to get away from those waves," he said.。

The other impacts locally in Tonga are from the ashfall. "Thankfully again, the ashes mostly fell into the ocean. On the Tongatapu island, there were reports of two centimeters of ash. This ash will impact water supply and some broad-leaf crops like corn, banana and squash, but unless there are more eruptions, this effect should allow a quick plant recovery."

Professor Cronin noted that most of the volcanic plumes from Saturday's eruption were in the troposphere or lower part of the atmosphere, below 25 km. Along with this short eruption means that there is not much aerosol to reflect sunlight and cause global cooling.。

"Most of the ash plume and gas plume that went into the air contains gases like sulpha dioxide. The rain will wash them down. There was not too large a volume of particles and aerosols high enough in the atmosphere to cause global cooling," he said.。

But the impact from acid rains for the affected areas such as Tonga and parts of eastern Fiji could be real. Should there be many more eruptions to come, and the acid rain continues, it could be more damaging for crops and water supply.。

The longer-term effects of the volcanic eruption on marine life could be significant, he said.。

On the downside, the local fishing and marine life will experience many changes as part of the volcano is destroyed. But there is some bright side along with the volcanic ashes in the longer term.。

"Because when ash falls into the ocean, it brings with it nutrients. For example, It can bring iron, which is usually quite low in the ocean. It can suddenly create a bloom of plankton, which then go through the food chain, creating a population boom later on the fish and other lives too," said Professor Cronin.。

According to the professor, a series of more minor eruptions happened in the submarine volcano in 1998, 2009, 2014, 2015 and perhaps even earlier than that. Saturday's eruption was so severe because a lot of the magma in the volcano had been building up for at least 10 years, or maybe longer.。

"The magma accumulates to a large size inside the volcaNo. The pressure of the magma, built up to a point that the top of the volcano can no longer hold it. At this point cracks start to happen, until suddenly the magma is released. The magma is full of gas and it expands extremely rapidly," said Professor Cronin.。

The central part of the Hunga volcano is about 150 meters to 300 meters below sea level. The amount of water that went into the crater was just big enough to fuel the big explosion that has sent waves of air pressure traveling around the world.。

"Also, tsunami waves were generated by the initial expansion as well as by changes in the surface on the top of the volcano," Professor Cronin said.。

"The maximum power of this eruption was very strong, equivalent to the Mount Pinatubo eruption in 1991 in the Philippines. However, the Saturday eruption was a very short one. It lasted less than 10 minutes for its main active phase. In contrast, the Pinatubo lasted for many hours," he said.。

The short period means that the overall amount of materials released from this eruption was relatively small. "We think around 0.5 cubic kilometers of materials was ejected into the air," Cronin said.。

The professor's best guess is the lower level of the VEI 5 range. "Which is roughly one per 10 years around the world for such a size," he said. "It may be more sort of normal mid-scale large eruption volume."

However, it is very difficult to predict what might happen next.。

"I would suggest that the eruption may be less violent from now on because the beginning of this eruption was all these pent-up magmas with a lot of trapped gas in it," Professor Cronin said.。

He also warned of future tsunami events. "This volcano is shallow and still have seawater on top. So any further eruptions or any collapse from the volcano can cause a tsunami in the local region. Probably there will be less wide-spread tsunami."

Mantia takes over Ning's World Cup lead in men's 1,500m with victory in Calgary******

OTTAWA, Dec. 12 (Xinhua) -- Joey Mantia of the United States won back-to-back gold in the men's 1,500m at the International Skating Union (ISU) World Cup series in Calgary, Canada on Saturday.。

Mantia clocked one minute and 41.86 seconds for the win, 0.56 seconds ahead of Canadian Connor Howe, who had a personal best of 1:42.425. Allan Dahl Johansson of Norway took a bronze in 1:43.275.。

Together with victory on home ice in Salt Lake City last weekend, the 35-year-old American pushed China's Ning Zhongyan to second on the World Cup standings.。

Previous leader Ning skipped the race to help China secure a mass start slot to Beijing 2022, and fulfilled his mission with a second finish in the semifinal and a 14th place finish in the final.。

The mass start gold went to Bart Hoolwerf, who also carried with him the pressure to earn a Beijing 2022 ticket for Team Netherlands. The Dutch, only 24th on the World Cup rankings prior to Saturday's competition, had enough time to celebrate his surprisingly victory before crossing the line way ahead of the pack in 7:38.880.。

World bronze medalist Bart Swings of Belgium took the silver and Felix Rijhnen of Germany completed the podium, edging Andrea Giovannini to fourth by just 0.01 second.。

Elsewhere on Saturday, the Canadian ladies had their third World Cup victory in team pursuit in as many competitions with a track record time of 2:52.06. Japan and China claimed silver and bronze respectively.。

World bronze medalist Angelina Golikova of Russia won her first World Cup gold in the women's 500m, clocking 36.669. Nao Kodaira of Japan was 0.09 seconds behind and World Cup leader Erin Jackson of the United States came third in 36.921.。

China's Tian Ruining wrapped up her World Cup journey with a sixth place finish in 37.100, and she said she was generally satisfied with her stable performance in four stops and tried to find problems and adjust.。

Pairing with Kodaira on Saturday, the 24-year-old took it as a chance to learn from the Olympic champion.。

"It's a great chance to learn from Kodaira. Her skills and pacing, as well as handling of details, these are not what you can tell from trainings," she told Xinhua. "Although I made some mistakes today, these will be valuable experience for me and will help with my final preparation [for the Winter Olympics]."

Tian finished 20th in PyeongChang three years ago and she was looking forward to competing on home ice.。

"I hope I can be the best version of myself and achieve better results," she said.。

Also on Saturday, Kodaira finally grabbed her long-awaited World Cup victory in the women's 1,000m race, clocking 1:12.510. The 35-year-old edged out world record holder Brittany Bowe of the U.S. by 0.03 seconds and Olga Fatkulina of Russia bagged a bronze in 1:13.151.。

The 2021-22 season World Cup series will conclude on Sunday, and then the quotas for the 2022 Olympics will be provisionally allocated to National Olympic Committees. Enditem。

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“痣”同道合?海南体彩回应俩位大奖得主脖子同一部位有黑痣******

12月1日,海南体彩以前由于在11月30日巨奖领奖当场,领奖人外衣里的T恤上外露“中国体彩”的LOGO和一部分字眼而遭受网民的怀疑。

前不久,“穿工作服装领奖”事情刚平复,海南体彩再起波澜。

有网民发觉,11月30日领奖当场和2021年2月1日领奖当场的领奖人颈部左边都是有一颗小痣,被网民怀疑:“老戏骨了,原来是同一个人。”也是有网民打趣道:“痣志同道合者合”。

潇湘晨报小编查看海南体彩官网,在其“今日热点”中找到报导这2次领奖的新闻报道:俩位领奖人皆是“王先生”,且全是“80后”。最近的“王先生”是位“新海南人”,现阶段在海口市做生意,是超级大乐透的杰出游戏玩家,选购超级大乐透早已10很多年了。而2月的“王先生”是海南屯昌当地人,早已买了10很多年的中国体育彩票。

12月13日早上,海南体彩的客服工作工作人员回复潇湘晨报小编称,已核查并并不是同一个人。

怀疑:俩位领奖人颈部左边都是有一颗小痣。

潇湘晨报小编认识到,网民曝料的海南体彩“痣志同道合者合”照片,来自2021年海南体彩11月30日的超级大乐透4834万余元巨奖领奖当场和2月1日的7星彩2500万余元巨奖领奖当场。

从网爆的视频截取可以看得出,两位领奖者的颈部左边都是有一颗小痣,但因为视频清晰度和脸部挡住的问题,仅从视频截取上没法确定其部位和尺寸是不是一致,无法判断是不是为同一人。但也正因这类偶然,让许多网民“心潮澎湃”,讽刺海南体彩“肥水不流外人田”。

小编寻找海南体彩官网,在其“今日热点”中找到报导这2次领奖的新闻报道。据资讯新闻,俩位领奖人皆是“王先生”,且全是“80后”。11月30日的王先生是位“新海南人”,现阶段在海口市做生意,是超级大乐透的杰出游戏玩家,选购超级大乐透早已10很多年了。而2月1日的王先生是海南屯昌当地人,早已买了10很多年的中国体育彩票。

除此之外,俩位“王先生”在应对干万巨奖时也是极其慷慨大方。都表明会向海南青少年儿童期待慈善基金会希望工程开展捐助,支助艰难少年儿童念书,而且会一直适用体育彩票的公益慈善。

回复:经核查,并并不是同一个人。

12月13日早上,潇湘晨报小编拨通了海南体育彩票中心的客服热线,客服工作工作人员回复小编称,得奖福利彩票是唯一的领奖凭据,纬向会计和开发设计单位核查,11月30日超级大乐透4834万和2月1日七星彩2500万的中奖人并不是同一个人。

小编询问俩位老先生脖子上的痣是不是为偶然时,工作员并没有得出立即的回应,仅仅持续注重“并不是同一人”。

12月1日,海南曾陷“穿工作服装领奖事件”,体育彩票中心曾回复新闻媒体称“自己是自行的,换下来了本身的衣服裤子”。而且,体育彩票中心还表明,为其提前准备工作服装是为了更好地维护领奖人的个人隐私,防止其被别人认出。

对于这事,有网民在曝料中提议,海南体彩不应该“空口回应”,应当在维护好两位中奖人私人信息的条件下,邀约警察、公正单位、新闻媒体、网友与此同时到场印证,对两位中奖人颈部左边小痣开展同视角照相核对,发布有关結果。


来源于:潇湘晨报。

编缉:王蜀周秦。

周至两兄弟“卖卡”非法获利两万余元 被依法刑拘******

  近日,根据国家反诈平台“两卡”涉案线索指令及外地警方办案协作请求,周至县哑柏镇张氏二兄弟有“涉卡”犯罪嫌疑,周至县公安局哑柏派出所依法将其二人刑拘。

  张氏二兄弟交代,因为手头缺钱的缘故,在朋友的联系下,兄弟二人和其他三名同伙一行5人前往广东某地“卖卡”。在明知对方从事违法犯罪活动的情况下,5人仍将自己的电话卡、银行卡、U盾等交由他人“使用”,张氏二兄弟分别获得非法利益两万余元。

  目前,两名嫌疑人已被周至警方依法刑事拘留,其余三名涉案人员仍在追捕中,现案件正在进一步办理。

  在此,警方提示:请妥善保管好个人隐私以及相关证件,千万不要因为贪图蝇头小利而去出借、出售自己的身份证、银行卡和手机卡等信息,一旦被不法分子用于诈骗、网络赌博或其他违法犯罪,不仅会给他人造成不可挽回的财产损失,自己也会成为犯罪“帮凶”,被依法追究法律责任。

  华商报记者 田睿

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来源:华商网-华商报

编辑:方正

杰伦-罗斯:拉塞尔本应成为NBA的Logo 其他29队应悬挂他的6号横幅

1.千城胜景|宁夏西吉:七彩丹霞火石寨

2.特斯拉年度“吹牛大会”,有这些重磅消息

3.中国创造相当于地球磁场90多万倍的磁场,有啥用?

4.何同学打造"自己打字的键盘",专家点评

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