An important new article with substantial CHARTER input has just been published in the journal Nature Communications. The article is titled New climate models reveal faster and larger increases in Arctic precipitation than previously projected. In other words, climate models are predicting that snowfall will be replaced by rain fall in the future, and this will occur at a faster rate than previous models suggested. You can download the article here (open access)
This phenomena is referred to as ‘Rain on Snow’ or ROS and it is something that is predicted to happen more often with potentially disastrous impacts on biodiversity in the Arctic. By way of example, tens of thousands of reindeer have died as a result of repeated ROS events in the Yamal peninsula and Finland in recent years, with potentially catastrophic consequences for reindeer herding peoples and cultures. The phenomona is also hazardous for other wildlife as rain refreezes and turns to ice, creating a physical barrier to pastures and nutrition. While ROS events are not unheard of, the frequency with which they are happening is.
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