Examining the Insight Impacts of Indian Ocean Pressure on Autumntime Precipitation Variability over Tasmania through Singular Value Decomposition Analysis
Journal Title: UNKNOWN - Year 2024, Vol 5, Issue 1
Abstract
This study explores further the impacts of the relationship between autumntime mean sea level pressure (MSLP) over the Indian Ocean and autumntime precipitation over Tasmania. We employ a combination of cross-correlation analysis, Singular Value Decomposition (SVD), and covariance measures to unravel this intricate connection. Our results reveal that MSLP over the Indian Ocean significantly influences Tasmania’s autumn precipitation, particularly in the region extending from 125°E eastward and from 35°S southward. This MSLP-precipitation link is statistically significant, characterized by a Pearson’s coefficient of correlation of 0.63 (p < 0.05). In addition, we calculate the Root Mean Square Covariance (RMSC) to gauge the strength of this association. The RMSC value, calculated at 0.33, surpasses the threshold of 0.1, emphasizing a robust and significant connection between autumntime MSLP and precipitation in Tasmania. Our results emphasize that the first leading mode of SVD accounts for 84% of the variability in both MSLP over the Indian Ocean and precipitation in Tasmania. These results contribute to a more profound understanding of the factors governing autumn precipitation in Tasmania and offer valuable insights for meteorological and climate science.
Authors and Affiliations
Kamran Khan Saqib-Ur- Rehman Muhammad Zulqarnain Siddiqui Atia Elahi Abdul Jameel Khan
Keywords
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- EP ID EP733520
- DOI 10.55737/qjssh.406280930
- Views 39
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