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案例简介:@ estherhorvath/北极海冰的视频在融化之前可能已经有几年的历史了。在1980年代,北冰洋的70% 被一年以上的冰覆盖,称为多年冰。今天,它只有30%-因为大多数在第一个夏天融化。根据气候模型,在2035年之前,夏季的北冰洋可能是无冰的。为了监测北极快速变化的海冰状态,阿尔弗雷德 · 韦格纳研究所每年进行两次空中调查。飞行是在200英尺 (约60m) 的高度上进行的,同时拖曳了一种类似鱼雷的仪器,称为 “鸟”。它用电磁和激光技术测量冰的厚度。调查是与其他国际项目密切合作进行的: 欧洲航天局的Cryosat验证实验 (CryoVEx) 和NASA的Icebridge行动 (OIB)。请关注 @ estherhorvath的极地科学纪录片和 @ awiexpeditions的极地研究。
案例简介:Video by @estherhorvath / Arctic sea ice can be several years old before it melts. In the 1980s, 70% of the Arctic Ocean was covered with ice older than a year, called multiyear ice. Today, it's just 30%—because most melts during its first summer. According to climate models, the Arctic Ocean in summer may be ice free before 2035. To monitor the state of rapidly changing sea ice in the Arctic, the Alfred Wegener Institute conducts airborne surveys twice a year. The flights are done at an altitude of 200 feet (about 60m) while towing a torpedo-like instrument called “Bird." It measures the ice thickness with electromagnetic and laser technology. Surveys are carried out in close collaboration with other international projects: the European Space Agency’s Cryosat Validation Experiments (CryoVEx) and NASA’s Operation Icebridge (OIB). Please follow @estherhorvath for polar science documentaries and @awiexpeditions for polar research.
国家地理 - Video by @estherhorvath / Arctic sea ice can be several years old before it melts. In the 1980s, 70% of the Arctic Ocean
案例简介:@ estherhorvath/北极海冰的视频在融化之前可能已经有几年的历史了。在1980年代,北冰洋的70% 被一年以上的冰覆盖,称为多年冰。今天,它只有30%-因为大多数在第一个夏天融化。根据气候模型,在2035年之前,夏季的北冰洋可能是无冰的。为了监测北极快速变化的海冰状态,阿尔弗雷德 · 韦格纳研究所每年进行两次空中调查。飞行是在200英尺 (约60m) 的高度上进行的,同时拖曳了一种类似鱼雷的仪器,称为 “鸟”。它用电磁和激光技术测量冰的厚度。调查是与其他国际项目密切合作进行的: 欧洲航天局的Cryosat验证实验 (CryoVEx) 和NASA的Icebridge行动 (OIB)。请关注 @ estherhorvath的极地科学纪录片和 @ awiexpeditions的极地研究。
国家地理 - Video by @estherhorvath / Arctic sea ice can be several years old before it melts. In the 1980s, 70% of the Arctic Ocean
案例简介:Video by @estherhorvath / Arctic sea ice can be several years old before it melts. In the 1980s, 70% of the Arctic Ocean was covered with ice older than a year, called multiyear ice. Today, it's just 30%—because most melts during its first summer. According to climate models, the Arctic Ocean in summer may be ice free before 2035. To monitor the state of rapidly changing sea ice in the Arctic, the Alfred Wegener Institute conducts airborne surveys twice a year. The flights are done at an altitude of 200 feet (about 60m) while towing a torpedo-like instrument called “Bird." It measures the ice thickness with electromagnetic and laser technology. Surveys are carried out in close collaboration with other international projects: the European Space Agency’s Cryosat Validation Experiments (CryoVEx) and NASA’s Operation Icebridge (OIB). Please follow @estherhorvath for polar science documentaries and @awiexpeditions for polar research.
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国家地理 - Video by @estherhorvath / Arctic sea ice can be several years old before it melts. In the 1980s, 70% of the Arctic Ocean
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