Climate in cities

Basics

Worksheet: Wind in the city

Sheet 2: Test your knowlegde

Can you answer the following questions on urban climate?
1) Which factor has NO influence on the formation of urban climate? a) air pollution b) albedo c) type of soil on which the city is built d) combustion of fossil fuels   3) The intensity of UHI (urban heat island ... a) ... does not change during the year. b) ... is higher in winter than in summer. c) ... is higher in summer than in winter. d) ... is highest in autumn.   5) The occurence of UHI causes changes in urban climate. What is not correct? a) The vegetation period is longer. b) The sums of percipitation is higher. c) There are more hot days than in non urban areas. d) Cumulus clouds are noted less often.   7) Air circulation in the city is not controlled by ... a) air temperatures b) steepness of the roofs or street width c) surface`s roughness d) presence of barriers   9) The average annual windspeed in Chicago is ... a) 1 m/s b) 50 m/s c) 10 m/s d) 100 m/s 2) Which of the following items does not contribute to form an urban heat island? a) residential area b) area with factories c) area with power plant d) area in the city center (station)   4) The phenomenon of UHI has negative impact on human organism, as it may cause... a) high blood pressure b) coughing c) constant freezing outside the city d) overheating   6) What is wrong? Air pollution ... a) ...decreases air transparency b) ...changes the composition of urban air. c) ...has the highest concentration in the evening. d) reduces the amount of solar radiation reaching the surface.   8) What is correct? The windspeed is ... a) ... higher in the center than in suburbs b) ... higher at street corners than in the street. c) ... higher in summer than in winter. d) ... higher in the cities than in urban areas.   10) What helps to reduce the negative impact of urban climate? a) moving into the city center b) increase in the share of parks and lawns c) more power plants d) higher buildings Quiz results: Questions you got right: Questions you got wrong: Grade in %:

About this page:

- Author: Julia Heres - University of Nürnberg - Germany
- scientific reviewing:
- educational reviewing: Prof. Dr. Schrettenbrunner, Dr. Schleicher
- last update: 09.09.03