What is sea level pressure and why is it important?
What will be an ideal response?
Answer: Sea-level pressure is the pressure that would exist if the observation point were at sea level. Sea-level pressure allows us to compare pressure at different locations, taking into account differences in elevation.
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A conditionally unstable atmosphere is __________ with respect to unsaturated air
and __________ with respect to saturated air. a. unstable, stable b. unstable, unstable c. stable, unstable d. stable, stable
Agriculture production may possibly move northward in latitude due to increased warming. However, agriculture will only be successful if ________
A) appropriate farming technology is available B) pesticides are acceptable for use C) polyculture techniques are available D) appropriate soils are found at these latitudes E) climate change eventually reverts its current trends
Occluded fronts characterize the beginning stages of a middle latitude cyclone
Indicate whether the statement is true or false
African dust from the Sahara desert is observed across the Atlantic as far west as the Caribbean region where it produces a hazy sky condition during the annual dry season
You are a climate scientist and make a prediction that the Sahara was not a desert during glacial periods in the northern hemisphere. How could you test this hypothesis by looking at deep sea sediments from the Atlantic off west Africa? A) You could look at the sediments to see if there were biogenic sediments interbedded with sediments with terrigeneous input corresponding to the dry, interglacial intervals. B) You would look at fossils to see if there were organisms that preferred dusty conditions vs. clear water conditions. C) You could measure the isotopes in the sediment to estimate the sea surface temperatures. D) The hypothesis is untestable with deep sea sediment.