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The second Earth observation Scout mission, HydroGNSS, will provide measurements of key hydrological climate variables, including soil moisture, freeze–thaw state over permafrost, inundation and wetlands, and above-ground biomass.

Extreme sea levels at different global warming levels by C. Tebaldi et al by NatureClimate - present-day 100-yr extreme sea-level event will become at least once-per-year event, read more at: nature.com/articles/s4155…

In ongoing collaboration with the IPCC AR6, the NASA Sea Level Change Team has continued to increase the content and capabilities of the projection delivery tool NASA Earth sealevel.nasa.gov/ipcc-ar6-sea-l…

Happy to share our latest research on FLASH: FLash Drought Assessment using SMAP Hydrol., published in [Nature Communications]. We explore the rapid onset phase of flash droughts and underlying mechanisms on a global scale. Read more: nature.com/articles/s4146… The Hong Kong Polytechnic University (PolyU) PolyU Academy for Interdisciplinary Research Zong-Liang Yang UT Jackson School of Geosciences Texas Tech Atmo. Sci

"Flash droughts" come on fast — drying out soil and decimating crops in a matter of days to weeks. According to recent research by JSG Professor Zong-Liang Yang, they've gotten even speedier over the years. ow.ly/Wj5850IyHES

Published in Nature Communications, the research was a collaboration between scientists at UT Austin, Texas Tech University, and The Hong Kong Polytechnic University (PolyU). According to Yang, rising global temperatures are probably behind the faster flash drought onset. Read the study here: nature.com/articles/s4146…

Hong Kong and other southern parts of China are known to be vulnerable to floods. But a new #PolyU study found that #flashdrought are developing at a faster rate in the region and the rest of the world amid #climatechange. More: polyu.hk/Xufof

There was so much going on in 2022, the language had some serious catching up to do. Here are some of Grist’s picks for words of the year, the terms and phrases that best captured the zeitgeist of our fast-changing planet in 2022. 🧵grist.org/language/heatf…

Hourly reanalysis data from ERA5, the fifth-generation global climate and weather reanalysis, is now available from 1940 to the present day! This extends the ERA5 data record to over 83 years & is the backbone of many C3S products & services. Learn more: bit.ly/3YrTvHm

Glad to share our recent article that reveals the mechanisms causing the drought and pluvial transitions from the perspective of land−atmosphere feedbacks.

2.Hong Kong (2/13) x.com/_david_ho_/sta…

3.China (3/13) x.com/tongbingxue/st…

🧵Since it is becoming hard to keep track, here is a list of countries/municipalities that have seen catastrophic flooding in the first 11 days of September 2023: - Greece - Turkey - Libya <--- *thousands feared dead* - Brazil - Hong Kong - Shanghai - Spain - Las Vegas

Led by Boen Zhang, Shuo Wang, we looked into the significant increase of whiplash in the poorest 20% of the world's population, and unraveled the connection between poverty and drought-to-downpour in a warmer world agupubs.onlinelibrary.wiley.com/doi/10.1029/20…

Why are flash droughts likely to occur in wet regions? Our recent work reveals that soils in wet regions have been drying out faster over the past four decades, thereby increasing the risk of rapidly developing droughts. nature.com/articles/s4161…

Concurrent occurrences of heatwaves and extreme short-term sea level rises at the same coastal locations significantly increased between 1998 and 2017 when compared to the preceding twenty years, according to a study published in Communications Earth & Environment. go.nature.com/3VVx3cb

Our recent work uncovers a significant global rise in the simultaneous occurrence of heatwaves and extreme sea levels at the same coastal areas over the past two decades. We observe a pronounced link between the intensity of heatwaves and the likelihood of these events happening.

New research from The Hong Kong Polytechnic University (PolyU) finds that the risk of heatwaves and extreme sea level events occuring at the same time is increasing. To reduce risks, we need to better understand how hazards can combine and compound one another. View the study ➡️ ow.ly/Aswz50RhkGG

I am excited to share our new study doi.org/10.1038/s43247… published on Communications Earth & Environment. Our findings reveal that compound drought-heatwave events increase in low-income regions twice as fast as in high-income regions.

Communications Earth & Environment, Published online: 17 January 2025; doi:10.1038/s43247-025-02013-wFast-onset flash droughts have become more frequent between 2001 and 2018, and faster development of drought is associated with larger impacts on gross… bit.ly/3DUGRw0