Which outcome primarily results when coastal upwelling brings deep ocean water to the surface?

💡 Explanation

When upwelling occurs, cold, nutrient-rich water from the deep ocean rises to the surface, because density differences drive vertical water movement, dramatically lowering surface water temperatures. Therefore decreased surface temperatures result, rather than increased salinity, mangrove expansion, or reduced atmospheric CO2, which are dependent on separate mechanisms.

• Which primary mechanism dictates cirque orientation disproportionately towards northeastern aspects in the Northern Hemisphere?
• Which outcome is caused by significant increase in pore water pressure within fault zone sediments during seismic activity?
• Which effect accelerates solifluction on Arctic slopes following permafrost thaw due to rising temperatures?
• Which outcome results when levee erosion in an alluvial plain?
• Which outcome results when large-scale wind patterns encounter significant topographic barriers?
• Which climatic consequence occurs when a major volcanic eruption disrupts the North Atlantic subpolar gyre?