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Fundamentals of Physical Geography

2nd Edition
James Petersen
ISBN: 9781133606536

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BuyFindarrow_forward

Fundamentals of Physical Geography

2nd Edition
James Petersen
ISBN: 9781133606536
Textbook Problem

How have scientists been able to document the rapid shifts of climates that have occurred during the latter part of the Pleistocene?

To determine

The way in which scientists have been able to document the rapid shifts of climates that have occurred during the latter part of the Pleistocene.

Explanation

The studies of climate change are made possible by two major developments. They are radioactive decay studies and the ocean floor sediments studies. In the first method, the radioactive decay rate of elements can be used to measure the time of death of fossilized organism. These types of radiometric dating techniques include radiocarbon dating. The time of glacial retreat can also be calculated from the radiocarbon dating of organic materials in glacial deposits. The sediments that are deposited on the floors of ocean can provide detailed evidence about the change in climate. The continuous and slow deposition of deep sea sediments preserves the climate history during the past several million years.

To study about the rapid rate of change in climate that occurred during the latter part of the Pleistocene can be done only with the aid of a more detailed record of climate than that the deep sea sediments can provide...

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