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1º de ESO Geography and History


Climate Unit THE CLIMATE-Index

WEATHER and CLIMATE

THE ATMOSPHERE

ELEMENTS OF CLIMATE

CLIMATE FACTORS

CLIMATES OF THE WORLD

CLIMATE REPRESENTATION

Mind maps MIND MAPS

Mapa conceptual Earth planet mind map

Glossary GLOSSARY

Interactive exercises EXERCISES

Links LINKS

Keywords KEYWORDS

Printing document Exercise: English-SpanishPrinting document Exercise: Spanish-English

Usual English phrases USUAL PHRASES


Geography Unit THE EARTH PLANET

Relief Unit RELIEF

Prehistory Unit PREHISTORIC LIFE

Egypt Unit EGYPT


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Wind
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Wind is horizontal displacements of air created by differences in pressure.  The displacements go from high pressure zones to low pressure zones, but they are affected by the Earth's rotation (Law of Coriolis).

Representation

Isobars are used to see wind direction.  In the Northern Hemisphere, in the anticyclones the winds go clockwise and the low pressure areas go counter-clockwise.  In the Southern Hemisphere it's the opposite.

Anemometer
Anemometer Enlarge image
Veleta. Ampliar imagen
Vane Enlarge image

It also allows us to find out its force because the closer together the isobars are, the greater the speed of wind.

Measurement

To establish the speed of wind anemometer.  It is expressed in kilometers per hour or meters per second.

Direction

It is indicated by the weather vane.

Creation of the winds
Creation of the winds Enlarge image

Law of Coriolis. Animation Enlarge animation
Source: http://whs.moodledo.co.uk/

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© Guillermo Méndez Zapata, profesor del IES Juan de la Cierva de Vélez-Málaga
Licenciado por la Universidad de Málaga (España)
   guillermomendezapata@hotmail.com

Jorge Juan Lozano Cámara, profesor del IES Juan de la Cierva de Vélez-Málaga
Licenciado por la Universidad de Granada (España)
   claseshistoria@hotmail.com


Ana María Marcos Sánchez, profesora del IES Juan de la Cierva de Vélez-Málaga
Licenciada por la Universidad de Málaga (España)

Kerry Elyse Hart, Licenciada por la Universidad de Richmond (Virginia, USA)

 

 
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