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Climate Change: Dawn And Dusk Of Indus Valley Civilization

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Climate Change: Dawn And Dusk Of Indus Valley Civilization

A recent study of Rochester Institute by Mathematical Scientist, Nishant Malik, indicates climate change, predominantly, the transition in monsoon pattern as the start and end of Indus Valley Civilization.

The methodology in his study included palaeoclimatology (the study of past climates) with mathematical dynamical system and stable isotopes which are present in stalagmites (minerals deposited from solution by slowly dripping water) in caves enhancing more in-depth knowledge of ancient climatic transition.

The Daily Mail quoted Dr Malik “Indus Valley Civilization sites were found along the Ghaggar–Hakra river —a monsoon-fed river system. Hence, the Indus Valley Civilization was critically dependent on monsoon driven rainfall, a highly dynamic phenomenon.” This signifies the importance of rainfall in Indus.

What does the study indicate?

The study put forwards two-dimensional ideas related to climate change. The initial orbital force caused the end of Holocene climate optimum, i.e. warm period roughly 7,000 years ago and the advent of high rainfall led to Indus Valley Settlement.

The other dimension is that the same orbital force gradually started causing less rainfall in the region, not enough for Harrapans to carry out their agricultural activity and thus, they had to disperse in different areas gradually.

Indus Valley Civilization

This figure shows the settlements of the Indus Valley Civilization during different phases of its evolution. (Image Source: rit.edu)

Only Maths is Enough?

Recently a team led by geneticist David Reich at Harvard University and archaeologist Vasant Shinde at Deccan College in Pune analyzed the DNA of a Harrapan Woman skeleton, whose genome closely matched with the DNA of Iran and Turkmenistan individuals. This suggests the possible migration due to unfavourable condition in Indus Valley, thereby supporting the climate change theory.

Last year, IIT Kharagpur and archaeological survey emphasized on “Earthquake” in Dholavira and Kalibangan, Indus Valley sites, as a reason of collapse siting the tectonic activity and climate change which lead to drying up of the river system.

Brief about Indus Valley and its decline theories:

The discovery of Harrapan Civilisation in 1921 drastically changed the course of Ancient Indian History and linked us to the oldest urban civilization. The decline of the same is propounded by many theories such as controversial “Aryan-Invasion theory” advocated by colonial historians to connect fall of Indus valley and the advent of Aryans in Gangetic plains, accusing the origin of Vedic culture of being an invasion. Oriental historians refuted this theory on lack of evidence, and they gave a new perspective with “Aryan-Migration theory” leading to gradual Indo-Aryan migration and the development of the Sanskrit language as evidence.

Other historians advocated the theory climatic change in rainfall, but Malik’s mathematical evidence brings us a step closer to comprehend the end of this marvellously mysterious civilization.

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The Meenakshi – Sundareswarar Temple

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The gigantic temple complex is dedicated to lord Shiva, known here as Sundareshvara and his consort Meenakshi or Parvati. The temple was originally built by Kulasekara Pandya, but the entire credit for making the temple as marvelous as it is today belongs to the Nayaks. The Nayaks ruled Madurai from the 16th to the 18th century & left a majestic imprint of their rule in the Meenakshi – Sundareswarar Temple.

As per the history it is said that the temple was plundered in the 14th century by a Muslim raider Malik Kafur who looted the temple valuables. The restoration was undertaken by then Nayak ruler Vishwanatha Nayakar around the 16th century. It was king Vishwanatha Nayak who reconstructed the temple in accordance to shilp-shastra.

The temple complex is build within a high-walled compound, at the core of which are the two main sanctums for Meenakshi and Sundareshwara, surrounded by a number of smaller shrines & grand pillared halls. Especially impressive are the twelve (12) gopuras. Their soaring towers rise from a solid granite bases & are covered with stucco figures of deities, mythical animals & monsters are painted in vivid colours.

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