how are the coastal islands useful for india
Answers
Explanation:
Coastal Plains and Islands of India
India is surrounded by two coastal plains. In fact, the coastlines were a result of the faulting in Gondwanaland some million years ago. Today, the total coastline of India runs around 75616.6 km. This coastline engenders diverse services for its people and others: In other words, the coastline is a famous fortrade, agriculture, tourism, industrial manufacturing, fishing, salt-making, etc.
An in-depth elucidation of their various attributes is as follows:
Eastern Coastal Plains of India
The eastern coastal plains feature a wide territorial expansion between the eastern ghats and the aquatic boundaries of India.
Next, these plains are around 100-130 km wide.
These plains experience drainage water through rivers like Mahanadi, Godavari, Krishna, and Kaveri.
The mainland of the plains stretches along with the states of West Bengal in the east and Tamil Nadu in the south.
In addition to mainland and drainage systems, the eastern coastal plains comprise lakes, lagoons, sand dunes, beaches, and significant deltas (such as the Sunderbans Delta).
Some of the key lagoons surfacing these plains are Chilika, Koleru, and Pulikat.
Further to the above, the plains can be classified into six major regions namely:
a. The Mahanadi Delta
b. The Southern Andhra Pradesh Plain
c. The Godavari-Krishna Deltas
d. The Kanyakumari Coast
e. The Coromandel Coast between Krishna and Kavery rivers
Explanation:
Coastal Islands useful for India are:-
India is an abundant home for islands. In fact, there are nearly 1200 islands in India. Most of these islands are composed of tertiary sandstones and granite rocks.
However, this article elucidates the two prominent groups of islands. It also outlines the other minor islands of India. The depiction of these islands is mentioned below:
1. Andaman and Nicobar Islands of India
Roughly situated about 6 degrees N- 14 degrees N and 92 degrees E- 94 degrees E.
Constituting around 572 small islands, the Andaman and Nicobar islands is a major island group in the Bay of Bengal.
Labyrinth island and Ritchie’s Archipelago are the two key groups of islets.
The islands consist of hard rocks and volcanic rocks and feature as an extension of the Arkan Yoma mountains in Myanmar.
Port Blair is the official capital of these islands, located in the south Andaman islands
Additionally, this entire group is categorized into Andaman in the north and Nicobar in the south.
A barren island, India’s only volcano island is situated in these islands.
A water-body named ten-degree channel separates these two islands.
As per belief, these islands feature as an elevated portion of mountains that got submerged millions of years ago.
More to this, the Andaman islands can be further divided into four island collections namely:
a. North Andaman
b. Middle Andaman
c. South Andaman
d. Little Andaman
Indira Point is the southernmost point of these islands and is located in the south Nicobar.
In fact, Indira Point also features as the endpoint of Indian territory.
Saddle Peak in the north Andaman is the highest peak (737 m) of these islands.
Altogether, a wonderful tourist spot, the island contains beautiful beaches and rich biodiversity.
The islands constitute an equatorial type of vegetation.
2. Lakshadweep Islands of India
Located in the Arabian sea (8 degrees- 12 degrees N and 71 degrees- 74 degrees E) Lakshadweep in a group of 35 islands and islets.
Scattered around the land of 32 square km, these islands lie 200-300 km off the coast of Kerala.
Composed of coral origin, these islands comprise:
a. 3 reefs
b. 5 submerged banks
Minicoy features as the largest island in the Lakshadweep group, with a mainland area of 4.5 km.
The eleventh-degree channel divides the Lakshadweep islands.
Amini Island and Cannanore island surround this eleventh-degree channel from the north and south directions respectively.
Comprises unconsolidated pebbles, cobbles, shingles, and bounders on its eastern shores.
Riverine is located both of the eastern and western coasts of the islands.
Contain tropical rain forests and granite rocks.
Low surfaced islands with an elevation of 5 m above sea level.
Kavaratti is the official capital of the islands.
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