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Showing posts with label general studies geography. Show all posts
Showing posts with label general studies geography. Show all posts

Friday, 5 December 2014

Geo-political significance of Indian Ocean

Geo-political significance of Indian Ocean


The Indian ocean has been important in geopolitical aspect of world from early times. The discovery of the sea route in Indian ocean and subsequent trade as well as colonization has changed the world. The imperialism, spread/change of trade/agriculture etc  has occurred from times immemorial due to the routes in Indian ocean.

In modern times, the significance of Indian ocean has increased many fold.
First, Geological location – (put a small sketch here showing Indian ocean region). The IO serves not only bigger nations like India, China but also littoral states. The land locked countries like Bhutan also depend on Indian ocean for their day to day activities.
source:www.japanfocus.org
Trade-(Put small sketch for trade routes – mallacca / Suez Canal) large volumes of trade in Oil/steel/textiles/pharmaceuticals etc occur from Asia to West and East through the Indian Ocean. The trade has been increasing as the nations like India are rapidly progressing. This makes IOR very important.

Resource- Many areas in Indian Ocean are rich in minerals/oils etc. The mining of these natural resources will change the future of the nation which does it. As a result the technology/political power in this region is of importance.

Terrorism- the IOR is important in the security point of view. The Mumbai attacks has reminded us of the cost for neglecting IOR security. Now India has strengthened its coast guard and navy to meet needs of IOR.

Illegal trade – the illegal trade/narcotics etc has IOR as play ground. The golden crescent/ golden triangle are adjacent to the IOR.
source:www.wikispooks.org

The attempt of nations like US to continue the presence through Diego Garcia ( command over sea ) indicates the significance of IOR.

The rising ocean pollution (put few eg’s) need the cooperation of all nations. In such a situation the IOR and laws governing the disposal of wastes including nuclear waste in ocean assumes large geopolitical significance.

Thus Indian Ocean region has high geopolitical significance in today’s situation due to trade, location, assertion of marine control by world powers, security and environmental reasons.

The above question can be put in words like
Q: Why is Indian ocean called modern maritime silk route?
Q: What is relevance of Indian ocean with regard to China/India?

PS: Add small sketches especially in geo-optionals.



Sunday, 16 November 2014

Tibetan Plateau - Role in Indian Monsoon

Tibetan plateau has considerable importance with regard to monsoon in Asia. This along with its repeated presence in news makes it a hot topic. In the past few years there have been many research findings regarding – the elevation change in Tibetan plateau, role on Indian monsoon, the change in the glaciers of Tibetan plateau etc.


How Tibetan plateau affects monsoon?

The Tibetan plateau is a vast structure extending long and wide. The heating or cooling of such a large geophysical structure leads to change in the jet streams during summer and winter. The change is the jet streams are due to 1) tilt of the earth changing with season 2) uplift of air from the Tibetan plateau. These changes in the jet stream in winter and summer results in change in wind over the peninsular region. As you would know when wind flow from the equatorial region to the subcontinent, then rainfall will occur. The rate of heating, duration of heating of Tibetan plateau has considerable influence on Monsoon.
The role of the Tibetan plateau has been given in Savindra Singh’s Geography book .In case you have a friend with geo optional, just have a glance over it.

source:novascience.wordpress.com

The above psychedelic diagrams shows the flow of jet streams in winter. The lower arm disappears in summer. This results in monsoon flow. 

Why important?

We have been trying to predict the Indian monsoon correctly for years. One of the parameters (among several others) is the Tibetan plateau. So unless we clearly get a knowhow of this parameter, it is difficult to make accurate predictions.

News regarding Tibetan plateau 

News one (must read)

News two  (optional reading )

News three  (optional reading)


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