As the spacing between isobars increases, the horizontal pressure gradient force and wind speed decrease.
The closer the spacing of isobars, the stronger is the strain gra- dient force. The stronger the stress gradient pressure, the stronger is the wind. thus, intently spaced isobars mean strong winds; extensively spaced isobars imply lighter wind.
The relationship between isobar spacing and wind velocity is that the closer the isobar spacing then the stronger the wind velocity. The spacing among isobars represents a stress differential among those two isobars. when two isobars are nearer together then the stress changes at a greater rate over distance.
The lines around high and low strain on a climate map are called isobars, or lines of equal stress, as shown in the above image on the left. While isobars are near together it is very windy; while they are further aside, conditions are more calm. The wind around highs usually blows in a clockwise direction.
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Answer:
Option (4)
Explanation:
Seismic P and S waves are generated during an earthquake that has the potential to propagate through the interior of the earth. P waves are also known as the primary waves and they move in a compression and extension way in their direction of propagation. S waves are shear waves. This P waves travel faster than the S waves and can travel in both solid as well as in liquid. Whereas the S wave can travel only through solids. They get absorbed when they reach the core-mantle boundary. These two waves are helpful in determining the epicenter of an earthquake by recording the arrival of these waves.
Hence, the correct answer is option (4).
Answer:
Defined as below
Explanation:
Plate tectonics are defined as the pieces of Earth's crust floating over the liquid asthenosphere or the movements of sheets/plates of hard rock over the rigid mantle. Varying in thickness moving in the directions to there orientation. They are either oceanic or continental plates
Rift valleys are generally linear or are highlands that separated by actions of geologic agents. It may be formed by a divergent or a convergent plate movement. 0n earth can occur on all height above mean sea levels. Extraterrestrial Rift valleys have also been found on planets in the solar system. Example is Eastern valley of africa.
Earthquake is a shaking of the earth from the interior due to the vibrations and waves produced due to the movement of geo-material beneath the earth's crust. These waves are measured on a Richter scale and range from 1 to 12 caused by sliding of the earth plates from the convergent, divergent and transform boundaries. Like the ring of fire an earthquake prone region.
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