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Generally, at the same latitude the insolation is moreover the continent than over the oceans, because
1. Oceans are cloudier
2. Continents have varied relief
Which of the above is/are correct?
- a)1 only
- b)2 only
- c)Both 1 and 2
- d)None of the above
Correct answer is option 'A'. Can you explain this answer?
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Most Upvoted Answer
Generally, at the same latitude the insolation is moreover the contin...
Insolation over continents and oceans at the same latitude
Insolation refers to the amount of solar radiation that reaches a specific area. It plays a significant role in determining the climate and weather patterns of a region. In this context, we are comparing the insolation over continents and oceans at the same latitude.
1. Oceans are cloudier:
- Oceans have a higher potential to be cloudier compared to continents. This is because water bodies have higher evaporation rates, leading to increased moisture content in the atmosphere.
- The presence of clouds can significantly affect the amount of solar radiation reaching the surface. Clouds can reflect or absorb solar radiation, reducing the amount that reaches the surface.
- Therefore, due to the higher likelihood of cloud cover over oceans, the insolation is generally lower compared to continents at the same latitude.
2. Continents have varied relief:
- Continents are characterized by varied relief features such as mountains, plateaus, and plains. These relief features can influence the distribution of solar radiation.
- Mountains, for example, can intercept the path of incoming solar radiation, causing shadows and reducing the amount of insolation reaching the surface. This phenomenon is known as the orographic effect.
- In contrast, plains and low-lying areas tend to receive more direct solar radiation as there are no significant barriers to block or divert the incoming solar radiation.
- Therefore, the varied relief of continents can lead to differences in the distribution of insolation at the same latitude compared to oceans.
Conclusion:
Based on the above discussion, it can be concluded that both statements are correct:
a) Oceans are cloudier.
b) Continents have varied relief.
Therefore, the correct answer is option 'A' - both 1 and 2.
Insolation refers to the amount of solar radiation that reaches a specific area. It plays a significant role in determining the climate and weather patterns of a region. In this context, we are comparing the insolation over continents and oceans at the same latitude.
1. Oceans are cloudier:
- Oceans have a higher potential to be cloudier compared to continents. This is because water bodies have higher evaporation rates, leading to increased moisture content in the atmosphere.
- The presence of clouds can significantly affect the amount of solar radiation reaching the surface. Clouds can reflect or absorb solar radiation, reducing the amount that reaches the surface.
- Therefore, due to the higher likelihood of cloud cover over oceans, the insolation is generally lower compared to continents at the same latitude.
2. Continents have varied relief:
- Continents are characterized by varied relief features such as mountains, plateaus, and plains. These relief features can influence the distribution of solar radiation.
- Mountains, for example, can intercept the path of incoming solar radiation, causing shadows and reducing the amount of insolation reaching the surface. This phenomenon is known as the orographic effect.
- In contrast, plains and low-lying areas tend to receive more direct solar radiation as there are no significant barriers to block or divert the incoming solar radiation.
- Therefore, the varied relief of continents can lead to differences in the distribution of insolation at the same latitude compared to oceans.
Conclusion:
Based on the above discussion, it can be concluded that both statements are correct:
a) Oceans are cloudier.
b) Continents have varied relief.
Therefore, the correct answer is option 'A' - both 1 and 2.
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Community Answer
Generally, at the same latitude the insolation is moreover the contin...
- This is due to greater evaporation. Similarly, in the equator, evaporation is high, cloudiness is high and rains are frequent. Clouds reflect incoming solar insolation and send it back to space.
- Despite the varied terrain and relief, the amount of insolation received by land isn’t affected so significantly as to cause such a difference in the total insolation received by land and seas.
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