Katherine
6.7 coastal upwelling lab-dropbox
1.
Describe the relationship between wind direction and how the water moves in
the near- surface of the ocean in the Northern Hemisphere.
2.
Describe what direction the wind should be blowing on the On the Eastern
Coast, (such as the US Atlantic Coast) to cause upwelling and downwelling.
3.
Along the coast of central and northern California, surface winds blow from
north to south in the summer and from south to north in the winter. Explain how this
affects upwelling and downwelling during the seasons.
4.
Fog is caused by the cooling of the atmosphere, which season should the
California expect the greatest amount of fog?
5.
How does the relationship between wind and near-surface flow differ in the
Southern Hemisphere from the Northern Hemisphere?
6.
Coastal upwelling of nutrient-rich water stimulates the growth of marine
plants, which support fisheries. Describe how the winds conditions off the following
land locations support increased productivity levels. (Northeastern US and
Northwestern Africa)
1. In the Northern hemisphere if the wind is blowing South then the
water near the surface is heading West. If the wind is blowing North
then the water near and at the surface is heading East.
2. In order for there to be down welling on the Eastern coast of the US
the wing needs to be moving South. In order for there to be upwelling
the wind needs to be traveling North.
3. With the winds blowing from North to South in the summer there
will be a cold upwelling in California. In the winter when the wind is
blowing from South to North there will be a warm down welling.
4. The cooling of the atmosphere will happen when the water is colder.
This happens in the summer when a cold upwelling occurs. So heavy
fog should be expected during the summer.
5. In the Southern hemisphere when the wind travels from South to
North the surface water travels West. When the wind travels North to
South the surface water travels East. The directions that the surface
water travels are opposite in the Northern and Southern hemispheres.
6. Both of these location are located in the Northern hemisphere so when one has an
upwelling the other will experience a down welling. When the wind is traveling
from North to South an upwelling will occur in Africa and a down welling off the
coast of the US. When the wind blows from South to North an upwelling will occur in
the US and a down welling in Africa.