Coral Reef Formation: Subsidence Theory
The question asks to identify the scholar who proposed the Subsidence Theory concerning coral reefs.
Subsidence Theory Explanation
The Subsidence Theory, a significant explanation for the formation of coral reefs, particularly atolls, was primarily developed by Charles Darwin.
- The core idea is that coral polyps start growing around a volcanic island that gradually sinks (subsides) over time.
- As the island subsides, the corals continue to grow upwards, maintaining their position near the surface of the water.
- This process leads to the formation of a fringing reef, then a barrier reef, and finally, an atoll (a ring-shaped coral reef enclosing a lagoon) when the central island has completely submerged.
Scholar Attribution
Charles Darwin is credited with formulating and elaborating the Subsidence Theory based on his observations during the voyage of the HMS Beagle.
While other scholars like Davis and Dutton proposed modifications or alternative theories later, Darwin's initial concept laid the foundation for understanding reef development through subsidence.
Therefore, Darwin is the scholar associated with the Subsidence Theory of coral reefs.
Important Questions from Oceanography
Which one of the following is not a cold current?
Which of the following positions of Sun, Earth and Moon is/are suitable for Spring Tide?
1. SYZYGY Conjunction
2. SYZYGY Opposition
3. Quadrature
Select the correct answer using the code given below :
The maximum depth of Lithosphere is found in the
The periodic rise and fall of ocean water in response to gravitational forces is called
Consider the following statements regarding 'fronts':
1. The movement of a front causes a slow change in weather in the area over which it moves.
2. Cold fronts are associated with thunderstorms.
3. Warm front is the boundary between an advancing mass of warm air where it is overriding and rising above a mass of colder air.
Which of the statements given above is/are correct?
