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1. Dynamics & Aviation
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1. Dynamics and aviation - more

Worksheet 1: Test yourself:

Quiz about aviation and climate

This is an interactive web-page.

 

 

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To answer these questions have another read of the background text on Aviation.
You may need a sheet of paper, a pencil and a calculator.

 

 

Airbus A 320
Airbus A320
by Ian Britten © FreeFoto.com 
contrails and cirrus clouds
Photo: © Bernhard Mühr, Karlsruher Wolkenatlas
Find the right answers!

1) In May 1992 how much fuel was burnt every day by civil aircraft in the air above Ireland?  Work out your answer for each 1 x 1 degree box. 

a) 1 - 10 kg.
b) 100 - 1000 kg.
c) 10,000 - 100,000 kg.
d) 1,000,000 - 10,000,000 kg.

2) The unit tonne-kilometre is a:
a) measure of the fuel consumption of an aircraft.
b) measure of the total cargo transported by aircraft including passengers.
c) measure of the total cargo transported by aircraft excluding 
passengers.
d) measure of volume of all air traffic.

3) Given a world population of 5.7 billion people in 1995, every human flew an average of:
a) 125 km by plane in 1995.
b) 235 km by plane in 1995.
c) 445 km by plane in 1995.
d) 655 km by plane in 1995.

4) Which kind of cloud forms as a result of air traffic in or close to the
 tropopause?
a) altostratus clouds
b) stratus clouds
c) cumulus clouds
d) cirrus clouds

5) Which of the exhaust gases from aircraft contributes towards a  reduction in the greenhouse effect?
a) carbon dioxide
b) sulphur dioxide
c) water
d) exhaust soot

6) However, the reduction in the greenhouse effect may be reversed because...
a) this substance contributes to the formation of cirrus clouds and these have a positive greenhouse effect.
b) under the influence of light this substance breaks down into constituents that have a positive greenhouse effect.
c) this substance reflects the infra-red radiation from the Earth back towards the Earth.
d) this substance promotes the growth of plants on soils with a high lime component.

7) Predictions of the effect of airtraffic on our climate in the future can be made:
a) very precisely because the effects of all the substances emited by aircraft are well-known and the future development of the  Earth's population is also well-known.
b) with only one uncertainty as we don't yet know how the population of the Earth will change in the future.
c) with a few uncertainties because we don't yet know how the population of the Earth will change in the future and we don't know enough about the effect of cirrus clouds on our climate.
d) very vaguely at present because only a few of the many complex interrelationships involved have been thoroughly investigated and are predictable.

 

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About this page:
authors: M. Seesing, M. Tausch - Universitšt Duisburg-Essen, Duisburg, Germany
last update: 2004-05-13

 

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