Identifying Thick Dust
Question 1
This day natural colour RGB shows a zoomed in area of the southern Sahara on 19 March 2010 12 UTC. Which areas have thick dust? Select all that apply.
The correct answers are B, C, D, and E.
There's a vast area of thick dust over northern Nigeria (B), northern Cameroon (C), southwestern Chad (D), and northern Central African Republic (E).
In Burkina Faso (area A), the dust appears to be much thinner and is barely visible.
Question 2
Which areas have thick dust in this dust RGB from the same time? Select all that apply.
The correct answers are B, C, D, E, and I.
The dust RGB shows areas of thick dust (dark magenta) over Mali (B), south Chad/North Cameroon (C), Sudan/South Sudan (D), Saudi-Arabia (E), and western Chad/Niger (I).
Southwest Algeria (area F) and northern Nigeria (area H) are lighter magenta, indicating that there’s a thinner layer of dust in the area.
Over the ocean (area A), thinner dust is moving from continental Africa towards the Cape Verde islands.
Area G does not have dust.