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Posts tagged Ivory Coast

Vegetation Index of Ghana and Ivory Coast

7.1N 0.1E

June 25th, 2012 Category: Vegetation Index

Ghana - January 5th, 2012

This FAPAR image shows the vegetation index of Ghana (right) and the Ivory Coast (left). Visible near the right edge is Lake Volta, the largest lake in Ghana. The vegetation index is mostly good (green) near the coast, and becomes progressively lower (yellow) as one moves northwards towards the Sahara Desert.

Vegetation Index of Liberia and Ivory Coast

5.6N 8.4W

March 5th, 2012 Category: Vegetation Index

Ivory Coast - December 30th, 2011

This FAPAR image shows the vegetation index of the Ivory Coast (right) and Liberia (left), in western Africa. The vegetation index is lower to the north, as indicated by the yellow false-coloring, as one nears the Sahara Desert.

It becomes higher to the south, however, as one nears the coastline. Along the coastal plains, it is generally good, as evidenced by the green false-coloring, although some patches of high activity (rusty red) can be observed, particularly in Liberia.

Dust Over Ivory Coast and Ghana

4.2N 2.1W

February 11th, 2012 Category: Dust Storms

Dust Over Ghana and Ivory Coast - February 10th, 2012

An intense dust storm has been clouding the skies over West Africa over the last few days (click here for previous images). At the beginning of the month, the dust was concentrated over Mauritania and Senegal, then moved eastward over the Cape Verde Islands.

A few days later, shifting winds carried the Saharan sands southward over the Ivory Coast and Ghana, whose skies it has been clouding over the last three or four days. The coastline of these countries along the Gulf of Guinea is barely visible through the thick cloud of dust.

Popcorn Clouds Over Côte d’Ivoire and Liberia – December 18th, 2011

4.7N 7.5W

December 18th, 2011 Category: Clouds

Ivory Coast and Liberia - December 11th, 2011

This image stretches from Côte d’Ivoire (the Ivory Coast, right) to Liberia (left). While the upper part of the image is slightly hazy, the central strip is covered by a layer of popcorn clouds that ends at the shoreline.

Popcorn clouds, so-named for their dotted appearance, form due to interactions between forest and atmosphere. When the forest receives a lot of sunlight, causing plants to thrive, they put out extra leaves and photosynthesis increases, releasing water vapour into the atmosphere. Water vapour is more buoyant than dry air, so it rises and eventually condenses into clouds like the popcorn clouds shown in this image.

Vegetation Index of Ivory Coast, Ghana and Neighbors

9.8N 3.7W

November 14th, 2011 Category: Vegetation Index

Ghana, Ivory Coast and Neighbors - November 13th, 2011

This FAPAR image shows the vegetation index of part of Liberia, the Ivory Coast and Ghana (below, from west to east), as well as part of southern Mali and Burkina Faso (above, from west to east).

Levels of photosynthetic activity are highest (rusty red) near the coast and become progressively lower (yellow) as one moves inland, although most of the image shows a good (green) vegetation index.

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