GARP Chapter 1 Questions and Answers
2 key contributing factors of rising sea level
1) Melting of Grounded Ice
2) Water expansion due to warming
Tree Rings
These measurements can reveal climate variations in regions where trees grow and experience seasons for the past millennium.
...
2 key contributing factors of rising sea level - answer 1) Melting of Grounded Ice
2) Water expansion due to warming
Tree Rings - answer These measurements can reveal climate variations in regions
where trees grow and experience seasons for the past millennium.
Corals - answer Analysis of the skeletons of these sea creatures can yield climate
conditions in the ocean over millions of years
Speleothems (e.g., stalactites and stalagmites) - answer These cave structures can
yield estimates of the climate in the region around the cave over the past few hundred
thousand years
Ice Cores - answer Measuring the chemical composition of ice (mainly in Greenland
and Antarctica) yields estimates of the climate over the past million years or so.
Ocean sediment cores: - answer Analyzing the composition of the mud at the bottom
of the ocean provides information about the climate covering the past tens of millions of
years. Figure 1.3a shows the temperature over the past 70 million years.
Cold Periods - answer Ice Ages
Warmer Periods - answer interglacial
Global average temperature between Ice Age and Interglacial periods - answer 6
Degrees Celsius
The amount of energy radiated by an object is determined by: - answer Temperature
(as the object heats up it radiates more energy)
Green house gases reduce: - answer the amount of power the Earth radiated to
space. (A planet with more greenhouse gases is warmer than a planet with less)
As the mass of greenhouse gases in our atmosphere increases - answer the
atmosphere traps more heat, leading to higher temperatures.
The majority of the Earth's atmosphere consists of - answer molecular nitrogen (N2),
oxygen (O2), and the inert gas argon (Ar). These simple molecules do not interact with
infrared radiation and there-fore generate no greenhouse effect to warm the surface.
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