{"id":155119,"date":"2026-08-29T10:14:10","date_gmt":"2026-08-29T10:14:10","guid":{"rendered":"https:\/\/www.europesays.com\/ai\/155119\/"},"modified":"2026-08-29T10:14:10","modified_gmt":"2026-08-29T10:14:10","slug":"scientists-are-using-ai-to-track-permafrost-thaw-as-arctic-lakes-vanish-in-hours","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/ai\/155119\/","title":{"rendered":"Scientists are using AI to track permafrost thaw as Arctic lakes vanish in hours"},"content":{"rendered":"

Aerial photos starting from the late 1940s and satellite imagery that became available in the 1970s have helped scientists map what the Arctic\u2019s permafrost landscapes looked like<\/a> in the past, including where its permafrost lakes were and were not.<\/p>\n

Using artificial intelligence, scientists can then quickly analyze<\/a> new images from across large swaths of the Arctic for signs of permafrost changes, such as the appearance of new ponds or the disappearance of old ones.<\/p>\n

\"A<\/a>A thermokarst permafrost landscape in the Kobuk Delta in northwestern Alaska has many lakes. Ingmar Nitze<\/p>\n

An international team of scientists we work with through the Permafrost Discovery Gateway has mapped and now actively monitors over 4 million<\/a> lakes across the Arctic, including 70 million thermokarst ponds \u2013 also known as trough ponds \u2013 across the Alaska tundra.<\/p>\n

Detecting signs of permafrost thaw in those landscapes can help communities plan for changes to their environment. The new maps can show where land is underlain by ice-rich permafrost, meaning bad choices for building sites, and where the frozen soil has less ice, likely indicating it\u2019s safer for building sites.<\/p>\n

Permafrost changes underway in 2026<\/p>\n

The Seward and Baldwin peninsulas in northwestern Alaska are hot spots for lakes suddenly draining.<\/p>\n

Over the past two decades, this region lost many large lakes that had covered its landscape for thousands of years. In the summer of 2018 alone, almost 200 of the region\u2019s approximately 4,600 lakes<\/a> lost more than a quarter of their area following an unusually warm winter<\/a>.<\/p>\n

\"Images<\/a>This thermokarst pond drained abruptly in June 2026, leaving only a little water at one end. The yellow and red circles on the map show where lakes recently disappeared. Permafrost Discovery Gateway<\/a><\/p>\n

Although winter 2025-26 was on the cold side for Alaska<\/a>, this region continued to lose lake area \u2013 suggesting evidence of permafrost thaw. We found around 30 more lakes<\/a> that were affected by drainage in June and July 2026.<\/p>\n

This process happens with hundreds of lakes<\/a> across the Arctic every summer, especially in June and July. However, not all lake changes are caused by permafrost thaw.<\/p>\n

For example, it is not uncommon that lakes in floodplains and wetlands change dramatically across each season due to the abundance of snowmelt water in spring. Wildlife can also play a role. Beavers, for example, can recreate a lake<\/a> after it abruptly drained by blocking the newly formed drainage channels.<\/p>\n

Living with permafrost thaw<\/p>\n

In the past, information about where permafrost was changing was primarily available through scientific studies published years later.<\/p>\n

With near-real-time data<\/a> available today, researchers can more closely study the processes of permafrost thaw, and communities can get up-to-date insights about the status of the permafrost before they plan new construction, and know where they\u2019re likely to have trouble.<\/p>\n

Anna Liljedahl<\/a>, Affiliated Professor in Arctic Hydrology, University of Alaska Fairbanks<\/a> and Ingmar Nitze<\/a>, Postdoctoral Research in Polar Geoscience, Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research<\/a><\/p>\n

This article is republished from The Conversation<\/a> under a Creative Commons license. Read the original article<\/a>.<\/p>\n

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