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- Influence of the North Polar Vortex Activity on the Contemporaneous and Subsequent Air Temperature in China 北极涡活动对我国同期及后期气温的影响
- The Interdecadal Variation of North Polar Vortex and Its Relationships with Spring Precipitation in China 北极涡年代际变化及其与我国春季降水的关系
- north polar vortex 北极涡
- The weather helps to break up a pattern of strong, cold winds called the circum polar vortex. 这样的气候有助于打破一个被称作环极涡旋的强盛的寒冷风场。
- The weather helps to break up a pattern of strong,cold winds called the circum polar vortex. 这样的气候有助于打破一个被称作环极涡旋的强盛的寒冷风场。
- In the paper, using Morlet wavelet transform and EOF analysis to analyze Polar Vortex and SAH at 100hPa Geopotential Height. 利用NCEP/NCAR高度场资料进行EOF分解;并对冬、夏极涡与夏季南亚高压的面积进行Morlet小波变换.
- In this paper we discuss the problem of taking time from Beijing to Detroit flying over the north polar regions. 讨论了飞机从北京到底特律沿不同航线飞行的时间问题 .
- The scal of the North Polar Ice Cap in the month of September is only half the scal it am a mere 50 seasons ago. 北极冰盖在4月份的大小,只相当于50年前的一半。
- If positive (negative) forcing of the Arctic sea ice concentration, area index of annual polar vortex decline (ascend), but index of intensity ascend (decline). 当采用极冰浓度正(负)强迫,年平均极涡的面积指数下降(上升),强度指数上升(下降)。
- The results show: Polar Vortex and SAH have similar evolutive character, especially the characters of former Winter Polar Vortex and Summer SAH are more similar. 结果表明:极涡与南亚高压具有相似的演变特征,尤其前期冬季极涡与夏季南亚高压变化更为相似,当前期冬季极涡加强时,则夏季南亚高则减弱,反之如此,体现了年际和年代际周期振荡特征;
- Keck Observatory atop Mauna Kea on the Big Island suggest a warm polar vortex - a large-scale weather pattern likened to a jet stream on Earth that occurs in the upper atmosphere. 涡流是一种波及范围较广的天气形态,类似于地球高层大气中的急流。
- Visible also in the above images are the north polar cap of Mars, dark and light soil, clouds, and, in the early images, a global dust storm. 在上面的影像中还可以看到火星的北极冰帽,色彩深浅不一的土壤,云层,以及在早期相片中的出现的全球性沙尘暴。
- In this example showing the north polar region, a very recognizable Big Dipper, part of the modern constellation Ursa Major, lies along the bottom of the chart. 这幅图描绘的是北天极区域,清晰可辨的北斗七星位于这张星图的底部,现在它是大熊座的一部分。
- Especially, t-test shows that significance of the Asia polar vortex, zonal circulation index, the most northern extension edge of subtropical high of Northern West Pacific and the warm pool of Pacific Ocean, are at 95% (90%) . 特别地,亚洲极涡、纬向环流指数、西太平洋副热带高压北界位置及太平洋暖池的海表面温度等因子均通过了95%25(90%25)信度水平检验。
- Aimed at the important impact of polar vortex on weather, climate and environment, we studied deeply polar vortex by virtue of dada analysis, dynamical statistic diagnoses and numerical simulation. 基于极涡在天气、气候及环境变化中的重要作用,本文通过资料分析、动力统计诊断和数值模拟研究,指出极涡的活动特征及其与阻塞高压、副热带高压、东亚季风等大气环流因子相互之间的动力统计关系;
- The impact of Northern Hemisphere polar vortex area and Eurasian meridional circulation on the epidemic of wheat power mildew is negative, while the impact of Indiaburman trough and West Pacific Subtropical high area is positive. 北半球极涡面积和欧亚经向环流对我国小麦白粉病流行影响为负效应,印缅槽和西太平洋副热带高压面积对我国小麦白粉病流行影响为正效应;
- Analyses on the 500 hPa circulation of the extreme cold winter indicates that it would be the extreme cold winter in Hainan island when the polar vortex lied on the shore of Arctic Ocean of the eastern Siberian. 通过对海南岛异常特冷年500hPa环流场分析表明,海南岛异常特冷年主要发生在东西伯利亚极涡南落的年份里
- Two explanations are given from the angle of mathematics about "It saves nearly 4 hours across the North Polar Regions to North America form Beijing to Detroit" under the following two cases: (1) The earth is a globe; (2) The earth is an ellipsoid. 对“飞越北极 ;北京至底特律的飞行时间可节省 4小时”问题 ;从数学的角度分别给出了 :(1)地球是球体 ;(2 )地球是椭球体两种情况下的合理解释 .
- With the shift of current zone and the attenuation of the polar vortex, the node of the summertime AO zonal symmetric mode transfers poleward compared with that of the wintertime AO. 而夏季纬向对称型随季节风带的北移和极涡的减弱,其节点也相应向极地移动。
- The smooth Snow Queen feature is strongly suspected to be ice originally just under the soil, uncovered by the thruster rockets as Phoenix set down on the north polar plains of Mars. 冰后光滑的特征很明显是在土壤下形成的冰块,当凤凰号飞船降落到火星北极平原时由火箭推进器揭露了其面纱。