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The Oceans
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1. Oceans and climate - more
Worksheet 1: North Atlantic Oscillation
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Exercise: Right or wrong?
Can you answer the following questions about the North Atlantic Oscillation?
Click the green button, if you think the answer is correct and the red button, if you think it's wrong.
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The North Atlantic Oscillation (NAO) is a result of pressure differences between the Azores (30° N) and Iceland at 60°N.
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The North Atlantic Oscillation (NAO) is a result of temperature differences between the Azores (30° N) and Iceland at 60°N.
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The North Atlantic Oscillation (NAO) is a result of precipitation between the Azores (30° N) and Iceland at 60° N.
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The North Atlantic Oscillation (NAO) is most important in summer.
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The North Atlantic Oscillation (NAO) is most important in spring and autumn.
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The North Atlantic Oscillation (NAO) is most important in winter.
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The North Atlantic Oscillation (NAO) has only one phase.
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The North Atlantic Oscillation (NAO) has two phases.
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Can you fill the gaps?
The North Atlantic Oscillation (NAO) is a result of
.differences between the
at 30° N and
.. at 60°N.
The NAO is most important in
.and has
phases. Each causes distinct weather conditions around the North Atlantic.
..,
.,
and
are all directly affected by the phase of the NAO.
Missing words:
Agricultural harvests, Azores, engery supply, fisheries, Iceland, pressure, two, water management, winter.
Have a go describing and interpreting the Winter NAO index!
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1. Winter NAO index. Image courtesy: Dr. Tim Osborn at the Climatic Research Unit, University of East Anglia, Norwich, U.K.
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Positive and negative NAO conditions
Look at the two pictures and write down what you now know about air-pressure, storms, winds, warm and wet winters, cold and dry winters, etc.. |
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This picture shows positive NAO conditions. |
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This picture shows negative NAO conditions.
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About this page:
author: Dr. Yvonne Schleicher - University of Nόrnberg, Nόrnberg, Germany
scientific reviewing: Dr. Lucinda Spokes - School of Environmental Sciences, University of East Anglia, Norwich, U.K.
educational reviewing: Dr. Helmut Schrettenbrunner and Julia Heres - University of Nόrnberg, Nόrnberg, Germany
last update: 2003-10-29
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