1) Where are major upwelling zones of the ocean located ? Name two. 2) what is t
ID: 286896 • Letter: 1
Question
1) Where are major upwelling zones of the ocean located ? Name two. 2) what is thermocline in lakes or ocean ? 3) what is the effect of an El Nino event on sea surface temperature in the equatorial Pacific ? 4) What is impact of mid ocean ridges on the chemical composition of sea water ?1) Where are major upwelling zones of the ocean located ? Name two. 2) what is thermocline in lakes or ocean ? 3) what is the effect of an El Nino event on sea surface temperature in the equatorial Pacific ? 4) What is impact of mid ocean ridges on the chemical composition of sea water ?
2) what is thermocline in lakes or ocean ? 3) what is the effect of an El Nino event on sea surface temperature in the equatorial Pacific ? 4) What is impact of mid ocean ridges on the chemical composition of sea water ?
Explanation / Answer
1) The rising of water to the surface from the bottom is called as upwelling.As a result of upwelling ,deep water becomes rich in nutrients.
Examples of major upwelling zones are
2) A thermocline is a thin layer in lakes or oceans in which temperature changes very quickly with depth than the temperature change in the layers present above or below it.
3) Due to El Nino event, there will be an increase in sea surface temperature (warm ocean temperatures) in the equatorial Pacific ,where as due to La Niña, there will be a decrease in sea surface temperature(cold ocean temperatures ) in the equatorial Pacific.
4) Impact of mid ocean ridges on the chemical composition of sea water
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