Climate Trends in the Great Lakes Region and Surrounding Area over the Past 40 Years
Received Date: Oct 03, 2022 / Accepted Date: Oct 24, 2022 / Published Date: Oct 31, 2022
Abstract
In this study, 38 climate indices for the Great Lakes region and surrounding areas are calculated using the newly released ERA5-land data. Four of the Mann Kendall (MK) trend test methods, with different consideration of serial autocorrelation, are applied to time series of these indices. The results show that the annual temperature in most parts of the Great Lake region shows a significant upward trend with a high confidence. Precipitation increased in the past 40 years. However, the trend is not significant over major parts. Only Quebec shows a significant increase trend. Extreme minimum temperatures (e.g. TNn, TXn) have a significant increase trend over the majority of the study area. As a result, extreme cold events such TX10p, TN10p, HDD18C and CSDI, have a significant decrease trend over the majority of the study area. The extreme maximum temperatures (e.g. TXx, TNx) increase over the past years. The trend is significant in some scattered areas. The significant trends have already and will continue to affect all related fields of our society in the future.
Citation: Zhu H, Deng Z, Liu J (2022) Climate Trends in the Great Lakes Region and Surrounding Area over the Past 40 Years. J Earth Sci Clim Change, 13: 643. Doi: 10.4172/2157-7617.100643
Copyright: © 2022 Zhu H, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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