Vasilii Petrenko, University of Rochester (2 of 2) (video) University of Rochester Share Print E-Mail Loading video... Caption Paleoclimatologist Vasilii Petrenko discusses his field work in Greenland and Antarctica. By working with ice core samples, Petrenko can uncover information on temperature, wind speed, and atmospheric composition for specific time periods. Credit Video by Matthew Mann/University of Rochester. Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.