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来源：百度知道 编辑：UC知道 时间：2024/09/24 05:32:09
Washington—U.S. instruments aboard Russian and U.S. satellites have detected a “hole” in the ozone layer over Antarctica nearly as deep as the record reported in 1993 and as large as the North American continent in surface area.
National Aeronautics and Space Administration (NASA) scientists at the Goddard Space Flight Center in Greenbelt, Maryland, said preliminary satellite data indicate that the size of the Antarctic ozone hole is about as large as those that occurred during the last two years, covering an area of 24 million square kilometers.
The largest hole ever observed was on September 27,1992, when it was measured to cover a surface area of 24.4million square kilometers.
This year’s ozone hole is also nearly as deep as the record hole measured in October 1993.
Ozone, a molecule made up of three atoms of oxygen, collects in a thin layer in the upper atmosphere and absorbs harmful ultraviolet radiation from the sun. The term “ozone hole” is used to describe a
National Aeronautics and Space Administration (NASA) scientists at the Goddard Space Flight Center in Greenbelt, Maryland, said preliminary satellite data indicate that the size of the Antarctic ozone hole is about as large as those that occurred during the last two years, covering an area of 24 million square kilometers.
The largest hole ever observed was on September 27,1992, when it was measured to cover a surface area of 24.4million square kilometers.
This year’s ozone hole is also nearly as deep as the record hole measured in October 1993.
Ozone, a molecule made up of three atoms of oxygen, collects in a thin layer in the upper atmosphere and absorbs harmful ultraviolet radiation from the sun. The term “ozone hole” is used to describe a
俄美卫星所载的美华盛顿设备探测到在南极洲上空出现一个接近1993年报道的大小的臭氧层空洞。这个洞有北美洲的陆地总面积那么多。。身在位于马里兰州格林贝尔的戈达德航天中心的美国航空航天部的科学家指出初步的卫星资料显示，位于南极洲上空的这个臭氧空洞大概和过去两年发现的加起来一样大，覆盖面达到2400万平方公里。
目前被发现的最大的臭氧空洞是1992.9.27被发现的，面积达到2440万平方公里。
一个臭痒分子由三个氧原子组成，它聚集在大气导上面的一个很薄的层。它可以吸收阳光中的有害的紫外线的辐射。臭氧空洞这个词被用来描述从八月末经过十月初并出现在十一月末在南极洲上空出现的臭氧的消耗。
科学家们已经禁止了人们日常生活中氯产品的使用，比如电冰箱等电器原使用，这些电器的使用是臭氧空洞形成的主要原因。
华盛顿美。文书上，俄罗斯和美国卫星发现了“洞”中的臭氧层，南极上空近深的记录报告在1993年和大北美大陆的表面积。
美国国家航空和航天局（ NASA ）的科学家在戈达德太空飞行中心的绿地，马里兰，说，初步的卫星数据表明，规模的南极臭氧洞是一样大那些发生在过去的两年里，覆盖面积24万平方公里。
最大的洞是以往任何时候都观察到9月27,1992 ，当时测量覆盖面积24.4平方公里。
今年的臭氧空洞也是近深洞的纪录来衡量1993年10月。
臭氧分子由三个氧原子，收集在一个薄薄的上层大气和吸收有害紫外线辐射的阳光。术语“臭氧洞”是用来形容大面积紧张的臭氧损耗发生在南极上空通过8月下旬和10月初突破了通常在11月下旬。
科学家们已经确定，氯产品的人类活动，如电子和制冷的用途，是一种主要的原因形成的臭氧洞。