What is the average upwelling speed The trade winds cause a water transport in t

Question

What is the average upwelling speed

The trade winds cause a water transport in the upper 200m of the water column away from the equator in exactly NW and SW direction at 0.5 m/s (assume a globe that is uniformly covered with water). The water is replaced by upwelling in an area extending 50km to the North and South of the equator. What is the average upwelling speed? If the photic zone is in the upper 200m of the water column and nutrients are typically used up by phytoplankton within 3 days, would you expect phytoplankton growth in the entire photic zone? Why?

Explanation / Answer

Answer:

(b) Yes,if nutrients are used up by the phytoplanktons,there would be no growth in the photic zone because inorganic nutrients are necessary for the growth of plants.although they would survive due to availability of carbon dioxide and light.

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