Scientists of Indian origin explore possibilities for the decline of the Indus Valley Civilization


A study by a scientist of Indian origin found that the Indus Valley civilization has declined due to climate change.

Highlight

  • Indus Valley Civilization collapse due to climate change: study
  • Scientist analyzed data of last 5,700 years of North India
  • A new mathematical method was used to study ancient climate patterns

New York:

According to a study done by a scientist of Indian origin, analyzing data from the past 5,700 years, the rise of the ancient Indus Valley civilization and the change in the monsoon pattern led to the rise and fall of the ancient Indus Valley civilization.

An analysis by Nishant Malik of the Rochester Institute of Technology (RIT) in the United States used a new mathematical method to study ancient climate patterns in North India over time, using indirect observations about past seasons. Provides information in

Research published in ‘Chaos: An Interdisciplinary Journal of Nonlinear Science’ states that by measuring the presence of special chemical forms in stalagmite mineral deposits in caves in South Asia, scientists can develop a record of monsoon rainfall in the previous region. 5,700 years.

However, Mr. Malik said that studying ancient climate time series with commonly used mathematical tools to understand the climate is a challenging task.

Mr. Malik said, “Usually when we analyze data there is a short time series with paleoclimate noise and uncertainty. As far as mathematics and climate are concerned, the tools we often use to understand climate and weather are Is a dynamic system. “

“But dynamic systems theory is hard to apply to paleoclimate data. This new method can find changes in the most challenging time series, including paleoclimates, which are low, have some degree of uncertainty and are noisy,” he said. Explained.

The study notes that there are several theories about why the Indus Valley civilization has declined, including nomadic Indo-Aryan and invasions by earthquakes, climate change seems to be the most likely scenario.

However, Mr. Malik stated that there was no mathematical proof until the new hybrid approach was implemented.

According to his analysis, there was a major shift in the monsoon pattern just before the onset of this civilization and that the pattern was completely reversed before it declined, indicating that it was indeed climate change that caused the decline.

Scientists at the Rochester Institute of Technology believe the new method will allow scientists to develop more automated methods of finding the transition to ancient climate data, leading to additional important historical discoveries.

(Except for the headline, this story has not been edited by NDTV staff and published from a syndicated feed.)

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