Which effect reduces primary productivity when upwelling fails?

💡 Explanation

Reduced wind forcing causes upwelling to cease, stalling the supply of nutrients via Ekman transport because deep waters are not being uplifted; therefore, nutrients deplete and phytoplankton blooms halt, rather than salinity or oxygen being the limiting factors.

• Which geological hazard is amplified when saturated sediment exists above faults?
• Which risk increases when fracking injects wastewater near seismic faults?
• Which risk increases when rapid deposition decreases permeability in alluvial fans?
• Which outcome follows when anticyclonic airflow amplifies near the 30° latitude regions?
• Which process increases cave formation permeability when precipitation increases?
• Which outcome is accelerated by high pore pressure during strike-slip faulting?