Atmospheric Radiation Measurement Madden-Julian Oscillation Investigation Experiment Field Campaign Report

Long, Chuck² 

[1] Pacific Northwest National Laboratory;National Oceanic and Atmospheric Administration (NOAA), Boulder, CO (United States). Earth System Research Lab.

关键词: Gan Island;    Indian Ocean;    atmospheric convection;    intertropical convergence zone;    Madden-Julian Oscillation;   

DOI  :  10.2172/1302195
RP-ID  :  DOE/SC--ARM-16-039
PID  :  OSTI ID: 1302195

学科分类：环境科学（综合）

美国|英语

来源: SciTech Connect

【 摘 要 】

Every 30???90 days during the Northern Hemisphere winter, the equatorial tropical atmosphere experiences pulses of extraordinarily strong deep convection and rainfall. This phenomenon is referred to as the Madden???Julian Oscillation, or MJO, named after the scientists who identified this cycle. The MJO significantly affects weather and rainfall patterns around the world (Zhang 2013). To improve predictions of the MJO???especially about how it forms and evolves throughout its lifecycle???an international group of scientists collected an unprecedented set of observations from the Indian Ocean and western Pacific region from October 2011 through March 2012 through several coordinated efforts. The coordinated field campaigns captured six distinct MJO cycles in the Indian Ocean. The rich set of observations capturing several MJO events from these efforts will be used for many years to study the physics of the MJO. Here we highlight early research results using data from the Atmospheric Radiation Measurement (ARM) Madden-Julian Oscillation Investigation Experiment (AMIE), sponsored by the U.S. Department of Energy (DOE) Atmospheric Radiation Measurement (ARM) Climate Research Facility.