151 Multi-Year Subsurface Mixing Properties and Air-Sea Interaction in the Arabian Sea Warm Pool

Thursday, 9 May 2024
Regency Ballroom (Hyatt Regency Long Beach)
Jonathan Christophersen, National Research Council - Naval Research Laboratory, Monterey, CA

Due to its social and economic impact on India and surrounding countries, close attention
has been paid on the Indian Summer Monsoon (ISM) and the role of the Arabian Sea Mini Warm
Pool (ASMWP) region that lies in the southeastern Arabian Sea. Past studies have indicated a
linkage between the ocean heat content (OHC) with various atmospheric properties related to the
ISM (rainfall, onset vortex, etc.). This study uses 20 years of daily reanalysis to analyze the
subsurface of the ocean within the ASMWP in order to better understand the role of the OHC on
the ISM. By employing an OHC tendency budget, preliminary findings suggest that vertical
mixing contributes significantly to OHC throughout the year in this region and is analyzed in this
study. Diagnostics are implemented to determine the impact of OHC on coupling in the region
with an emphasis on rainfall related to the ISM.
- Indicates paper has been withdrawn from meeting
- Indicates an Award Winner