航空气象学课后习题电子档学习资料

航空气象学课后习题

电子档

习题Chapter 1 ATMOSPHERE AND TEMPERATURE

1. Which feature is associated with the tropopause?

A. Absence of wind and turbulence.

B. Absolute upper limit of cloud formation.

C. Abrupt change of temperature lapse rate.

2. What is a characteristic of the troposphere?

A. It contains all the moisture of the atmosphere.

B. There is an overall decrease of temperature with an increase of altitude.

C. The average altitude of the top of the troposphere is about 6 miles.

3. The average height of the troposphere in the middle latitudes is

A. 20,000feet.

B. 25,000feet.

C. 37,000feet.

4. The primary cause of all changes in the Earth’s weather is

A. variation of solar energy received by the Earth’s regions.

B. changes in air pressure over the Earth’s surface.

C. movement of the air masses.

5. If the air temperature is +8 ℃ at an elevation of 1,350 feet and a standard (average) temperature lapse rate exists, what will be the approximate freezing level?

A. 3,350 feet MSL(Mean Sea Level)

B. 5,350 feet MSL

C. 9,350 feet MSL

6. The most frequent type of ground or surface based temperature inversion is that produced by

A. ground radiation on a clear, cool night, when the wind is light.

B. warm air being lifted rapidly aloft in the vicinity of mountainous terrain．

C. the movement of colder air under warm air, or the movement of warm air over

cold air.

7. What feature is associated with a temperature inversion?

A. A stable layer of air.

B. An unstable layer of air.

C. Air mass thunderstorms.

8. What are the characterizes of a ground-based inversion?

A. Convection currents at the surface.

B. Cold temperatures.

C.Poor visibility.

9. Where is a common location for an inversion of the atmosphere?

A. At the tropopause.

B. In the stratosphere.

C. At the base of cumulus clouds.

10. Which weather conditions should be expected beneath a low-level temperature inversion layer when the relative humidity is high?

A. Smooth air and poor visibility due to fog, haze, or low clouds.

B. Light wind shear and poor visibility due to haze and light rain.

C. Turbulent air and poor visibility due to fog, low stratus-type clouds, and showery

precipitation

11.对流层中，对天气变化影响较大的气体是：

A.氮气和氧气

B.氧气和二氧化碳

C.二氧化碳和水汽

D.水汽和臭氧

12.对流层顶是一个强大的稳定层，因为：

A. 它的上面是平流层

B. 空气干洁，能见度好

C. 气流平稳，没有对流运动 D 该处气温直减率小

13.在对流层顶以上飞行，常常是：

A. 气流平稳，能见度好

B. 有尘粒、烟粒等杂质聚积

C. 会遇到高云，或积雨云、浓积云顶

D. 有使飞机产生颠簸的扰动气流

14.局地气温的最低点通常出现在：

A. 后半夜

B. 天亮时

C. 早晨

D. 日出时

15.能造成较大气温日较差的有利天气和地理条件分别是：

A.晴天，陆地

B.晴天，海洋

C.阴天，陆地

D.阴天，海洋

16.局地气温的非周期变化受下列那一个因素的影响最显著？

A.太阳辐射强度

B.海陆分布

C.季节

D.冷暖空气的水平运动

17.标准大气的海平面气温等于：

A. 0℃

B. 10℃

C. 273.16Ｋ

D. 288.16Ｋ

18.气压相等时，较暖和较湿的空气密度分别比较冷和较干的空气密度要

A. 小，小

B. 大，大

C. 小，大

D. 大，小

Answers:

1.C

2.B

3.C

4.A

5.B

6.A

7.A

8.C

9.B 10.A

11.C 12.D 13.A 14.D 15.A 16.D 17.D 18.A