H5N1 recent report on straight dating of sediments extracted from paleochannels unopen to Harappan sites inwards the percentage of Sutlej-Yamuna interfluve yesteryear a squad of scientists from the Physical Research Laboratory, Ahmedabad (PRL) as well as CNRS, France, betoken that these rivers changed their course of teaching nearly 35,000 years earlier the Harappans came to settle there.
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| Reconstruction of Lothal, 1 of the southernmost cities of the ancient Indus valley civilization, located in the Bhāl region of the modern nation of Gujarāt as well as rootage inhabited c.3700 BCE [Credit: Harappa.com] |
Along alongside a 2017 newspaper inwards Nature Communications yesteryear A. Singh from IIT Kanpur as well as others, this report straight off provides scientific bear witness that contradicts the suggestions on Harappans flourishing on the banks of the mythical Vedic rivers, Sarasvati as well as Drishadvati. These studies provide bear witness that these rivers changed their course of teaching much earlier the fourth dimension of Harappan settlements nigh 5,000 years ago. The report was published latterly inwards Quaternary Geochronology.
The regain of several hundred Harappan sites inwards the Sutlej–Yamuna interfluves led archaeologists to infer that similar other ancient civilisations, Harappans also flourished on the banks of mighty rivers. Presence of ephemeral rivers Ghaggar-Hakra as well as Chautang inwards this surface area led people to propose that these were vestiges of the 1 time mighty glacial rivers on whose banks the Harappan civilisation was established. This gained popularity when a paleo-channel (ancient remains of rivers) was discovered inwards this region.
The naming of a paleo-channel as well as associating it alongside archaeological sites irked the curiosity of Prof. A.K. Singhvi from PRL. “To me this appeared unrealistic as well as far-fetched. H5N1 ballpark analysis of Harappan site per unit of measurement fourth dimension indicated that the numbers of settlements to endure supported [by a large river] were also few as well as the need to invoke a mighty river was somewhat misplaced,” he says.
For over iii decades many papers were written but this premise was non tested scientifically using modern dating techniques till now.
Settlement patterns
This report analysed the distribution of Harappan sites along the 2 principal rivers inwards the percentage – the Indus, which is perennial, as well as the Ghaggar-Hakra, which is ephemeral; examined the mineralogy of river sediments to constitute their source as well as dated the entire sediment succession of the percentage using dating technique to constitute the final result chronology of the development of the region.
The authors conclude thus: “Settlement patterns as well as other analysis propose that factors other than perennial rivers dictated their [Harappan’s] settlement” as well as that, “Major modify inwards the river dynamics occurred betwixt 24,000-45,000 years agone (most probable merely about 40,000-45,000 years ago), as well as since 25,000 years the landscape has non changed significantly.”
Prof Singhvi, who led the study, states that ipso-facto this report implies that as well as then called paleo-river features are far also quondam to endure associated alongside Vedic times.
“Care should endure taken inwards making a linear association of river hydrology alongside abundance of archeological sites,” he says.
He points out that this inference is also buttressed yesteryear the evidences of H2O harvesting techniques of Harappans, the cropping patterns suggesting their dependence on seasonal monsoon rather than constant render of water.
Author: Shubashree Desikan | Source: The Hindu [August 13, 2018]
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