9 When the wind transports near-surface water toward a coast, the low-nutrient w
ID: 293280 • Letter: 9
Question
9 When the wind transports near-surface water toward a coast, the low-nutrient warm surface layer thickens and water sinks, decreasing biological productivity This process is called downwelling. According to the Model Ocean Basin (see video setting starting at Time 24), the wind blowing toward the north in the Northern Hemisphere will produce downwelling in the ocean near the land's coast. [ leasten I western 10 Along the coast of central and northern California, surface winds generally blow toward the south in the summer and toward the north in the winter According to the Ocean Basin Model video, the season of warm water transport toward the California coast and downwelling for this region is lsummer I Jwinter 11.The season when cold coastal upwelling water along the California coast cools the overlying air to saturation and produces frequent fog is Isummer [ Jwinter 12 The Southern Hemisphere's trade winds, between the equator and 30 degrees S, have a strong component blowing from south-to-north This causes upwelling, high biological productivity, and abundant fish harvests along the coasts of Africa and South America. I Jwestern I leasternExplanation / Answer
9) - Eastern coast ( due to Ekman transport of surface water).
10)- Summer
11)- Summer.
upwelling and downwelling are not only coastal phenomena . They occur in the open ocean under certain conditions.
12)- Western
The upwelling water is rich in nutrients, especially nitrogen in the form of nitrates ,which is the byproduct of the decomposition of organic material that has rained down on the seafloor , now due to upwelling this byproduct are raised along through the process.
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