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Zorluk: Çok zorState Geography and Physical Features

Consider the following statements regarding the physical relief, passes, and drainage features of the Western Ghats mountain range:

1. The Palghat Gap is a prominent low-pass break in the Western Ghats that separates the Nilgiri Hills to the north from the Anaimalai Hills to the south.
2. Major rivers originating on the eastern slopes of the Western Ghats, such as the Godavari and Krishna, flow across the Deccan Plateau and form estuaries rather than deltas at their mouths along the Bay of Bengal.
3. The steep western escarpment of the Western Ghats acts as an orographic barrier to the Arabian Sea branch of the Southwest Monsoon, causing heavy precipitation on the windward coastal side and creating a rain-shadow region on the leeward eastern side.

Which of the statements given above are correct?

  1. A
    1 and 2 only
  2. 1 and 3 onlyCevap
  3. C
    2 and 3 only
  4. D
    1, 2 and 3

Cevap

Statements 1 and 3 are correct. The Palghat Gap separates the Nilgiri Hills from the Anaimalai Hills, and the western escarpment induces strong orographic rainfall during the Southwest Monsoon. Statement 2 is incorrect because rivers flowing east into the Bay of Bengal build large deltas, not estuaries.
The option selecting statements 1 and 3 only is correct. Palghat Gap physically splits the Nilgiri and Anaimalai hill ranges, and the steep western slope causes heavy orographic rain on the windward side. Statement 2 is false because east-flowing rivers form deltas at their mouths along the Bay of Bengal, whereas estuaries are formed by west-flowing rivers along the Arabian Sea.

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1
Analyze Statement 1 regarding mountain pass physical geography
Statement 1 is TRUE. Palghat (Palakkad) Gap is a major mountain pass approximately 30 km wide in the Western Ghats located between the Nilgiri Hills to its north and the Anaimalai Hills to its south.
Topographic map alignment confirms Palghat Gap's position separating these two hill clusters.
2
Analyze Statement 2 regarding river drainage features and coastal landforms
Statement 2 is FALSE. Rivers originating on the eastern slopes of the Western Ghats (such as Godavari, Krishna, and Kaveri) traverse long distances across gentle gentle slopes to the east, carrying large volumes of sediment and forming vast deltas. Estuaries are characteristic of short, swift west-flowing rivers along the Arabian Sea coast.
Distinguishing between east-flowing delta-forming systems and west-flowing estuary-forming systems is a fundamental coastal hydrography rule.
3
Analyze Statement 3 regarding atmospheric driving forces and relief interaction
Statement 3 is TRUE. The continuous elevation of the Western Ghats forces incoming moisture-laden monsoon winds from the Arabian Sea to rise, producing intense orographic rainfall along the windward western coastal plain, while leaving the eastern plateau in a rain shadow.
Orographic uplift against physical relief features controls micro-climate distribution across the state topography.

Anahtar Kavram

Physical relief features, pass alignment, and river landform dynamics of the Western Ghats
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Konular

State Geography and Physical Features

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