WebThe convection currents happen down in the mantle. Our continents and plates are dragged along on top as the mantle stuff moves underneath. When two plates rub against each … WebDownwelling leads to reduced productivity, as it extends the depth of the nutrient-limited layer. Upwelling occurs where surface currents are diverging, or moving away from each other. As the surface waters diverge, deeper water must be brought to the surface to replace it, creating upwelling zones.

What does downwelling mean? - definitions

WebDownwelling reduces biological productivity and transports heat, dissolved materials, and surface waters rich in dissolved oxygen to greater depths. This occurs along the west … WebDownwelling leads to reduced productivity, as it extends the depth of the nutrient-limited layer. Upwelling occurs where surface currents are diverging, or moving away from each other. As the surface waters … crows v north melbourne tickets

Oceanography Test 2 Ch 7 Flashcards Quizlet

WebNov 1, 2008 · As a downwelling current flows along the continental slope, bottom friction and lateral diffusion spread it onto the neighboring shelf, thus generating along-shelf … WebUpwelling occurs in the open ocean and along coastlines. The reverse process, called downwelling, also occurs when wind causes surface water to build up along a coastline. The surface water eventually sinks toward … WebDownwelling Question 8 What happens to allow the sand to be deposited and create the spit? Not yet answered Marked out of 5.0 Select one: a. Energy increases within the longshore current. O b. Energy decreases within the longshore current. O c. Energy stays the same within the longshore current. crows vision