Local winds are much more variable than predicted global patterns in Figure 20.3c. Explain the causes of these local variations
What will be an ideal response?
Local variations in air pressure and atmosphere density occur near coastal areas, in mountainous areas, and near glaciers. Coastal lands are warmest in the afternoon, and when the air rises, it is replaced by lower density, cooler air over the ocean. This creates a wind that blows onshore in the day. The reverse happens at night, when the land cools relative to the ocean, driving an offshore wind. Cool or dry air descends from high elevation mountains into lowlands, and these winds are most intense where they descend from high, cold glaciers.
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Which of the following problems arise because the grid spacing in modern computer forecasting models has become increasingly smaller?
A. Small-scale weather features can be resolved by the models. B. Mesoscale weather features cannot be predicted. C. Atmosphere-oceans interactions cannot be resolved. D. Many more computations are needed.
In a chemical reaction, ________
A) new elements are formed B) new atoms are formed C) atoms are destroyed D) atoms are rearranged
A(n) ________ facies is associated with a high-pressure, low-temperature environment
A) zeolite B) granulite C) blueschist D) eclogite
Provide three examples of planetesimals
What will be an ideal response?