雷和风哪个速度更快
发布网友
发布时间：2023-06-26 08:54
共3个回答
热心网友
时间：2023-10-11 02:02
闪电是雷雨云体内各部分之间或云体与地面之间，因带电性质不同形成很强的电场的放电现象。
由于闪电通道狭窄而通过的电流太多，这就使闪电通道中的空气柱被烧得白热发光，并使周围空气受热而突然膨胀，其中云滴也会因高热而突然汽化膨胀，从而发出巨大的声响--雷鸣。
在云体内部与云体之间产生的雷为高空雷;在云地闪电中产生的雷为“落地雷”。
落地雷所形成的巨大电流、炽热的高温和电磁辐射以及伴随的冲击波等，都具有很大的破坏力，足以使人体伤亡，建筑物破坏。
如，1986年4月25日7时20分，湖南省溆浦县的观音阁、双井、低庄乡等地，乌云压顶，风雨交加，电闪雷鸣……随着一道强烈的闪光，一声震耳的霹雷--落地炸雷，殃及了3个乡6个村庄，顿时一片混乱，雷声、雨声、风声、哭声、喊声混杂在一起。据地、县联合调查组调查，当场雷击死亡7人，伤10人，其中重伤3人，有一名死者的头发、衣物全被烧化，身躯也被烧焦变形，惨不忍睹。
风的形成乃是空气流动的结果。风能利用形成主要是将大气运动时所具有的动能转化为其他形式的能。
风就是水平运动的空气，空气产生运动，主要是由于地球上各纬度所接受的太阳辐射强度不同而形成的。在赤道和低纬度地区，太阳高度角大，日照时间长，太阳辐射强度强，地面和大气接受的热量多、温度较高;再高纬度地区太阳高度角小，日照时间短，地面和大气接受的热量小，温度低。这种高纬度与低纬度之间的温度差异，形成了南北之间的气压梯度，使空气作水平运动，风应沿水平气压梯度方向吹，即垂直与等压线从高压向低压吹。
地球在自转，使空气水平运动发生偏向的力，称为地转偏向力，这种力使北半球气流向右偏转，南半球向右偏转，所以地球大气运动除受气压梯度力外，还要受地转偏向里的影响。大气真实运动是这两力综合影响的结果。
实际上，地面风不仅受这两个力的支配，而且在很大程度上受海洋、地形的影响，山隘和海峡能改变气流运动的方向，还能使风速增大，而丘陵、山地却磨擦大使风速减少，孤立山峰却因海拔高使风速增大。因此，风向和风速的时空分布较为复杂。
在有海陆差异对气流运动的影响，在冬季，*比海洋冷，*气压比海洋高风从*吹向海洋。夏季相反，*比海洋热，风从海洋吹向内陆。这种随季节转换的风，我们称为季风。所谓的海陆风也是白昼时，*上的气流受热膨胀上升至高空流向海洋，到海洋上空冷却下沉，在近地层海洋上的气流吹向*，补偿*的上升气流，低层风从海洋吹向*称为海风，夜间(冬季)时，情况相反，低层风从*吹向海洋，称为陆风。
在山区由于热力原因引起的白天由谷地吹向平原或山坡，夜间由平原或山坡吹向，前者称为谷风，后者称为山风。这是由于白天山坡受热快，温度温度高于山谷上方同高度的空气温度，坡地上的暖空气从山坡流向谷地上方，谷地的空气则沿着山坡向上补充流失的空气，这时由山谷吹向山坡的风，称为谷风。夜间，山坡因辐射冷却，其降温速度比同高度的空气交快，冷空气沿坡地向下流入山谷，称为山风。
此外，不同的下垫面对风也有影响，如城市、森林、冰雪覆盖地区等都有相应的影响。光滑地面或摩擦小的地面使风速增大，粗糙地面使风速减小等。
Ray fast.
Lightning is a thunderstorm in the body between the various parts of the body and between the ground, e to the nature of the charged nature of the formation of a strong electric field discharge.
Because of the narrowness of the lightning channel through which the current is too much, which makes the lightning channel in the air column burned glowing white hot, and heat the surrounding air and all of a sudden expansion, which cloud droplets will result of high fever and a sudden expansion of vaporization, which issued a great sound - Thunder.
The thunder proced between the cloud body and the cloud is a high altitude mine, and the lightning in the cloud is "thunder" ".
The huge current, hot high temperature and electromagnetic radiation, as well as the accompanying shock wave and so on, all have great destructive power, which is enough to cause human casualties and building damage.
Such as 1986 April 25 7 when 20 minutes, Guanyinge, Shuangjing, low Zhuang Xiang, Xupu County in Hunan Province, the dark cloud capping, rains, thunder and lightning... With a strong flash and a loud Thunderclap - landing clap of thunder, bring disaster to the three township 6 villages and immediately chaos, thunder, rain, wind, crying, shouting mixed together. According to the county and the joint investigation team to investigate on the spot and killed by lightning seven people, injuring 10 people, injured three people, there is a dead man's hair and clothes were burnt and charred body has been deformed, too horrible to look at.
The formation of wind is the result of air flow. The use of wind energy is mainly to convert the kinetic energy into other forms of energy.
The wind is the horizontal movement of the air, air movement, mainly e to the different latitude of the earth's solar radiation intensity is different and the formation of the. In the equatorial and low latitudes, the sun elevation angle, long sunshine hours, solar radiation intensity, ground and atmosphere heat, high temperature; high latitude solar zenith angle is small, sunshine time is short, small ground and atmosphere heat, the temperature is low. The temperature difference between the high latitude and low latitude, the formation of the pressure gradient between the north and the south, the air for horizontal movement, wind along the direction of the horizontal pressure gradient blow, namely vertical with the isobars from high to low blow.
The earth in the rotation, the horizontal movement of air force bias, known as the Coriolis force. This force the north hemisphere, air right deflection, the deflection of the southern hemisphere to the right, so the movement of the earth's atmosphere is not only affected by the pressure gradient force, but also by turn bias in the effect. The true motion of the atmosphere is the result of the combined effects of these two forces.
In fact, surface wind is affected not only by the two forces of domination, and in a great extent by the influence of ocean, terrain, corfe and channel can change the direction of air flow, but also the wind speed will increase, and in mountainous and hilly region, but friction Ambassador rection in wind speed, isolated peaks because of the high altitude makes the wind speed increases. Therefore, the spatial and temporal distribution of wind direction and wind speed is more complicated.
The influence of land sea difference on air flow, in the winter, cooler than the sea,, pressure than the high sea winds from the mainland blow to the ocean. In contrast to summer, the continent is more hot than the ocean, and the wind blows inland from the ocean. This change with the seasons of the wind, we call the monsoon. The so-called sea land breeze is the day, the airflow, heat expands and rises into the air flow to the sea, sinking to the ocean cooling and in the near surface layer of the ocean air blowing to the mainland, compensation, the updraft and low layer wind from the ocean blow to, known as the sea breeze, night (winter), the opposite is the case. Low level wind from the mainland blowing towards the sea, known as the breeze.
During the day in the mountains e to thermal reasons caused by the valley blow to the plains and hills at night by plain or hillside blow to the former said for the valley of the wind, which is known as the mountain. This is because of the fast heating of the hillside in the daytime, the temperature is higher than the above the valley with high air temperature, slope of the warm air from the hillside flow Valley above, the air in a valley, along the hillside to supplement the loss of air, then from the valley blowing to the slopes of the wind, called the valley of the wind. Night, hillside e to radiative cooling. And the cooling temperature faster than with the height of the air fast delivery, cold air along the slope down into the valley, known as the mountain breeze.
In addition, the different under the mat facing the wind also has the influence, such as the city, the forest, the snow and ice covered area and so on has the corresponding influence. The surface of a smooth surface or a small friction makes the wind speed increase, the roughness of the ground makes the wind speed decrease.
热心网友
时间：2023-10-11 02:03
热心网友
时间：2023-10-11 02:03
