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1 March 2013

Spring is in the air


Almond blossom from the Tunisian countryside.
 
I wanted to share with you these beautiful photographs my husband has taken showing the early signs of Spring in the Tunisian countryside.  This small tree is laden with pale blossoms which look like popcorn stuck to the branches.  Spring symbolises many things such as rejuvenation, hope and new life.  Trees which have been dormant in the colder winter months suddenly burst into life.
 
 
Meteorological reckoning
 Meteorologists generally define four seasons in many climatic areas: spring, summer, autumn (or fall) and winter. These are demarcated by the values of their average temperatures on a monthly basis, with each season lasting three months. The three warmest months are by definition summer, the three coldest months are winter, and the intervening gaps are spring and autumn. Spring, when defined in this manner, can start on different dates in different regions. In terms of complete months, in most North Temperate Zone locations, spring months are March, April and May, although differences exist from country to country.  (Summer is June, July, August; autumn is September, October, November; winter is December, January, February). The vast majority of South Temperate Zone locations will have opposing seasons with spring in September, October and November.
 
 
Ecological reckoning
The beginning of spring is not always determined by fixed calendar dates. The phenological or ecological definition of spring relates to biological indicators; the blossoming of a range of plant species, and the activities of animals, or the special smell of soil that has reached the temperature for micro flora to flourish. It therefore varies according to the climate and according to the specific weather of a particular year. Most ecologists divide the year into six seasons that have no fixed dates. In addition to spring, ecological reckoning identifies an earlier separate prevernal (early or pre-spring) season between the hibernal (winter) and vernal (spring) seasons. This is a time when only the hardiest flowers like the crocus are in bloom, sometimes while there is still some snowcover on the ground. http://en.wikipedia.org/wiki/Spring_(season)
 

 

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