Shira lake sediments help unveil the secret of ancient climate
Scientists from the Institute of Geology and Petroleum Technologies and their overseas colleagues have studied the bottom sediments of Lake Shira in Khakassia, Russia, and found out how climatic and environmental conditions in the region have changed over 150 years. For this purpose, they conducted a number of geochemical, isotopic, magnetic, seismo-acoustic and radiocarbon studies of...