What is it about?

The study evaluates global and regional land warming trends over recent decades using two datasets: MODIS and ERA5-Land land surface temperature data. It focuses on analyzing temperature change rates from 2001 to 2020, extending the analysis to 1981 for ERA5-Land. The research emphasizes differences in warming rates across various regions, with a special focus on high-latitude areas like the Arctic. The study’s methodology involves assessing mean temperatures per region and calculating temperature change rates using linear regression. The results reveal significant warming trends, particularly in the Arctic, which experiences faster warming compared to other regions. [Some of the content on this page has been created by AI]

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Why is it important?

This research is vital for understanding recent patterns in global and regional warming, contributing to the broader discourse on climate change. By providing detailed analysis using high-resolution data, the study sheds light on the spatial variability of warming trends. The emphasis on the Arctic is particularly crucial given its sensitive role in the global climate system. The findings, showing accelerated warming in certain regions, underscore the urgency of addressing climate change impacts. This study aids in developing targeted climate policies and helps in forecasting future climate scenarios. KEY TAKEAWAY: The study highlights significant and accelerated warming trends globally, with the Arctic region experiencing exceptionally high warming rates, emphasizing the need for urgent climate action.


First and foremost, I feel a profound sense of accomplishment. A year of rigorous work has finally been presented to my peers and the world. Every graph, every statistic, and every conclusion in the study is a testament to the commitment my team and I put into this work. Yet, with every data point showcasing the accelerating rate of global warming, particularly in vulnerable regions like the Arctic, I cannot help but feel a deep concern for our planet's future. The findings underscore not only the drastic changes our environment is undergoing but also the highly potential risks for ecosystems and human societies. However, I believe that by laying out these stark realities through our research, we're providing policymakers, industries, and individuals the necessary information to make informed and impactful decisions. My hope is that our study becomes a catalyst for meaningful change. I believe I have a responsibility. It's not just about publishing a paper. It's about ensuring that the findings reach beyond the readership of academic journals. Whether it's engaging with the media, presenting at conferences, or participating in community dialogues, I'm committed to making sure our findings go beyond the academia. Finally, I’m sure that while this publication marks the end of one journey, it also leads to the beginning of another.

Prof. You-Ren Wang
National Sun Yat-sen University

Read the Original

This page is a summary of: Evaluating global and regional land warming trends in the past decades with both MODIS and ERA5-Land land surface temperature data, Remote Sensing of Environment, October 2022, Elsevier,
DOI: 10.1016/j.rse.2022.113181.
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