Geology test 3
Terms in this set (31)
What is land subsidence?
Subsidence is the motion of a surface as it shifts downward relative to a reference level such as sea level.
What is soil?
The uncosolidated mineral or organic material on the immediated surface of the earth that serves as a natural medium for the growth of the plants.
What are the factors affection soil formation?
3. Parent material
5.Organic processesSoil texture
is a determined by the relative proportion of the particles of different size.
3 properties of clay
Three types of soil water?
1. Hygroscopic water
2. Capillary water
3.Air or gravirational water
Soil particle size
sand = biggest
which on has most volume change potential
Drinking water for humans and farming.
Global Soil Regions
Ultisols = Georiga
What are the compositions of soil %
What is the process of Karst process
land forms produced by dissolution of rock.
Where do karst usually occur?
Type of rock Karst
what occurs Karst
Stalactite = top process
Stalagmite= bottom process
major karst in the world?
South eastern China
Major karst areas in the U.S
What is weather?
is the state of atmosphere.
Bottom two layers of atmosphere?
Mass distribution of atmosphere
exosphere - top
pressure change with height?
Air mass move from high pressure to low pressure
what is air mass
movenment of the air masses due to difference in pressure
Movement of air mass from where to where
change of elevation high to low
what causes Coriolis effect and how does it manifested in northern and southern hemisphere.
Air mass moves from high-pressure region to low-pressure region.
Which front produces narrow band of thunderstorms.
4types of weather fronts
cold, warm, stationary, and occluded
What are the three stages of thunderstorm, what direction is air moving in each stage
Cumulus stage- uplifting
Mature stage- cold down, warm up
dissipate stage- downdraft
What are three types of lighting
ground to ground
cloud to cloud
ground to cloud (rare)
How to uplift a air mass
Condensation of water releases latent heat keep the air mass uplifing.
how is super cell different
Rotating updraft, spinning starts due to changing winddirection.
What is a tropical cyclone
Storm system characterized by a low-pressure center surrounded by a spiral arrangement of thunderstorms that produce strong winds and heavy rain
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