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How is wind driven ekman transport related to coastal upwelling and downwelling?
They are both wind driven, if the Ekman Transport is moving in towrds the shore then downwelling will pull water from it and move it down and out. While when the Ekman Transport is moving out away from shore up welling will pull water up and feed the Transport. Note all directions are based on 90 degrees to the left or right fo the wind direction depending on wich Hemisphere.
When is upwelling weaker during a normal pattern El Niño or La Nina event?
Upwelling is weaker during a normal pattern El Niño event. This is because El Niño brings warmer sea surface temperatures, which suppress the nutrient-rich cold water that drives upwelling along the coast. In contrast, La Niña events typically enhance upwelling due to cooler sea surface temperatures.
Which type of flow works in opposition to Ekman transport in a gyre?
Geostrophic flow works in opposition to Ekman transport in a gyre. Geostrophic flow is the balance between the pressure gradient force and the Coriolis force, causing water to move at an angle to the wind direction. This balances the net transport of water caused by Ekman transport.
What cold currents near coastlines might indicate sites of upwelling?
Cold currents near coastlines often indicate the presence of upwelling. This is because upwelling brings cold, nutrient-rich waters from the ocean depths to the surface, leading to colder surface currents. Some examples of cold currents near coastlines that are associated with upwelling include the California Current, the Benguela Current, and the Canary Current.
How does upwelling affect biological activity?
Upwelling is a process where deep, nutrient-rich waters rise to the surface, bringing essential nutrients that stimulate phytoplankton growth. This increase in primary production supports higher trophic levels, enhancing the abundance and diversity of marine life, including fish and other aquatic organisms. As a result, upwelling zones are often characterized by high biological productivity and are crucial for fisheries. Overall, upwelling significantly boosts the overall health of marine ecosystems.
How is wind driven ekman transport related to coastal upwelling and downwelling?
They are both wind driven, if the Ekman Transport is moving in towrds the shore then downwelling will pull water from it and move it down and out. While when the Ekman Transport is moving out away from shore up welling will pull water up and feed the Transport. Note all directions are based on 90 degrees to the left or right fo the wind direction depending on wich Hemisphere.
Does upwelling happen in open ocean?
Yes, but one type only: equatorial upwelling!There are three types of upwelling: equatorial, coastal, and seasonal.Equatorial upwelling is caused by the winds known as the trade winds. The trade winds blow from east to west in the vicinity of the equator. On the northern side of the equator Ekman Transport is to the right (northward), and on the southern side it is to the left (southward). With water flowing directly away from the equator, both northward and southward, the equator itself has a deficit of water. Hence, water from below upwells to fill in the gap. Equatorial upwelling is most prominent in the Pacific Ocean.
What is the birth name of Hasse Ekman?
Hasse Ekman's birth name is Hans Gsta Ekman.
What is the birth name of Sanna Ekman?
Sanna Ekman's birth name is Maria Susanna Ekman.
What is the birth name of David Ekman?
David Ekman's birth name is David Olof Bertil Ekman.
When did Hilding Ekman die?
Hilding Ekman died in 1966.
When was Benny Ekman born?
Benny Ekman was born in 1955.
When was Werner Ekman born?
Werner Ekman was born in 1893.
When did Werner Ekman die?
Werner Ekman died in 1968.
When was Susanne Ekman born?
Susanne Ekman was born in 1978.
When did Ida Ekman die?
Ida Ekman died in 1942.
When was Ida Ekman born?
Ida Ekman was born in 1875.
