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CEE Seminar: Monsoon Intraseasonal Oscillations in Equatorial Atmosphere and Oceans

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Tuesday, April 06, 2021
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12:00 pm - 1:00 pm
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Harindra Fernando, Wayne and Diana Murdy Endowed Professor, University of Notre Dame, Civil & Environmental Engineering and Earth Sciences and Aerospace and Mechanical Engineering
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CEE Spring 2021 Seminar Series Colloquium

The hydrology of Indian Summer Monsoons is sensitively determined by the active and break phases of rainfall. Such variability is related to a bevy of intraseasonal oscillations (ISO) present in the tropical atmosphere and oceans with time scales ranging from about 30 to 60 days. Some examples of ISO are the ubiquitous equatorial planetary waves and the Madden Julian Oscillation that travel along an equatorial wave guide. Another important but meagerly understood ISO is the Monsoon Intraseasonal Oscillations (MISO) that propagate from the equatorial Indian Ocean toward the Bay of Bengal and then split into westward and northward branches. MISO events are directly related to the rainfall variability as well as a source of ISO with global reach that trigger larger scale phenomena, for example, El Niño. A comprehensive research program sponsored by the US Office of Naval Research (2012-2022) is afoot to peer into both oceanic and atmospheric ISO.....
Meeting ID: 972 8321 6160
Passcode: 274932