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The author:(作者)delvpublished in(发表于) 2014/1/6 10:22:29 Snow Dragon， the nearest water area of about 14.5 km
China News Agency, Beijing, January 6 (Xinhua Haiyan Ma) Chinese 30th Antarctic expedition task you are performing "Snow Dragon", trapped sea ice retreating sharply in the eastern margin line of, the shrinking by 2 to 8 kilometers, the "Snow Dragon", currently the nearest water area of about 14.5 km.
6th reporters from global change and Earth System Science Research Institute of Beijing Normal University to receive this message. The Institute is responsible for real-time acquisition and evaluation analysis of high-resolution imagery, expeditions provide icebreaking navigation protection. Analysis of the study, Professor Cheng Xiao, this may be due to the days of the Southeast and the result of the combined effects of astronomical tide.
Cheng Xiao said, "Snow Dragon", was trapped ice has 2 block big iceberg, which maximum of a block long about 1 km, occurred has fast drift, which January 3 Mobile has 8.5 km, January 4 mobile has 3 km, from is located in "Snow Dragon", Southeast direction 7.5 km mobile to has "Snow Dragon", North direction 4.5 km, in the course of the distance "Snow Dragon", recently of distance about for 2.5 km.
Updated January 5, satellite imagery indicated that, in the "Snow Dragon" moving East to 9 km from thousands of large and small within the sea ice at the edge of a small pond, averaging approximately 5,000 square metres. This showed that under the influence of tides and currents, East of sea-ice concentration of significant changes have taken place, "Snow Dragon" out of the ice is good news.
30th Antarctic scientific expedition on November 7, 2013, Emperor of China, on December 25, the "Snow Dragon", to change their course, hard ice-driving more than 600 nautical miles, Russia ships in distress, "Shao Kaliski academicians", implementation of emergency relief. On January 2, 2014 in the successful rescue of Russian ships in distress after the 52 passengers, the "Snow Dragon", ready to evacuate when pack ice area, ice extent affected by the powerful cyclone in the area expanded rapidly, resulting in "Snow Dragon", and 101 people were trapped on board.
It is understood that climate warming has caused the Arctic sea ice to fade background, Antarctic sea ice had an upward trend in recent years of "Snow Dragon" in prydz Bay ice-blocked on several occasions. Starting from the 27th Antarctic expedition, China began experimenting with using high resolution radar satellite for "Snow Dragon", find a way.
By analyzing the latest satellite information, the experts found serious ice this year than in previous years, major ice clearing northeast of Zhongshan station, are smaller, and prydz Bay between the outer edge of the sea ice to the ice Lake ranges over more than 200 nautical miles inland sea ice concentration is large ships going through the difficulty. (End)
(Original title: "Snow Dragon", the nearest water area of about 14.5 km)
中新社北京1月6日电 (记者 马海燕) 正在执行中国第30次南极科考任务的“雪龙”号被困区域海冰的东缘线发生了大幅退缩，退缩幅度达2至8公里，“雪龙”号目前距离最近清水区约14.5公里。
记者6日从北京师范大学全球变化与地球系统科学研究院获得这一消息。该研究院负责高分辨率图像的实时获取和解译分析，为考察队提供破冰导航保障。该研究院教授程晓分析，这可能是由于连日的东南风和天文大潮的综合影响使然。
程晓说，“雪龙”号被困冰区有2座大冰山，其中最大的一座长约1公里，发生了快速漂移，其中1月3日移动了8.5公里，1月4日移动了3公里，从位于“雪龙”号东南方向7.5公里移动到了“雪龙”号正北方向4.5公里，其间距离“雪龙”号最近的距离约为2.5公里。
最新的1月5日卫星图像表明，在“雪龙”号正东方向9公里至边缘的海冰内部出现了大大小小上千个小水塘，平均面积大约5000平方米。这表明在潮汐和洋流的影响下，东侧海冰的密集度已经发生了显著变化，对于“雪龙”号脱离冰区是利好消息。
中国第30次南极科学考察队于2013年11月7日出征，12月25日，“雪龙”号改变自己的航向，艰难破冰行驶600多海里，对俄罗斯遇险船“绍卡利斯基院士”号实施紧急救援。2014年1月2日在成功营救俄遇险船上52名乘客后，“雪龙”号准备撤离浮冰区时，所在地区受强大气旋影响浮冰范围迅速扩大，造成“雪龙”号及船上101人被困。
据了解，在气候变暖导致北极海冰快速消退的背景下，南极海冰却呈现上升趋势，近年来“雪龙”号数次在普里兹湾破冰受阻。从第27次南极考察开始，中国开始尝试运用高分辨率雷达卫星为“雪龙”号找路。
通过分析最新的卫星资料，专家发现今年的冰情较往年严重，主要是中山站东北方向的冰间湖变小，并且从普里兹湾海冰外缘到该冰间湖的200多海里范围内海冰密集度很大，船只通过难度大。(完)
（原标题：“雪龙”号距离最近清水区约14.5公里）
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