The cold water observed along the northern California coast in summer is mainly due to: upwelling .
- here Upwelling is a process in which deep, cold water rises toward the surface replaces warm water from the surface.
- Winds blowing across the ocean surface push water away. Water then rises up from beneath the surface to replace the water that was pushed away. This process is known as “upwelling.”
- Upwelling 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 and the surface water eventually sinks toward the bottom.
- Water that rises to the surface as a result of upwelling is typically colder and is rich in nutrients. These nutrients “fertilize” surface waters, meaning that these surface waters often have high biological productivity. Therefore, good fishing grounds typically are found where upwelling is common.
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Varves are best developed near glaciers because they represent light colored layers of coarser material deposited in the summer when the streams issuing from glaciers have more energy to erode coarser material compared to the fine silts and clay of the winter months when there is very little flow and very little erosion. They mostly occur in glacial lakes.
Ganges Rivers <span>is a river in South Asia that is more than 1500 miles long.</span>
If hills happen to be on your question....then that should be the answer....hopefully i helped kk....have a great christmas when it comes and plzz give brainliest answer (trust me i need it)....
Yes it is within the past 500 years.
ps. could i please get a brainliest please
