The team has mapped the presence of the largest known logjam, which covers 20 square miles (51 square kilometers) of the Mackenzie River Delta in Nunavut, Canada.
has not been well quantified. This new study attempted to quantify the capacity of these logjams to store carbon.The team has mapped the presence of the largest known tree stack-up, which covers 20 square miles of the Mackenzie River Delta in Nunavut, Canada.
According to the calculations, the logs store approximately 3.4 million tons of carbon. This massive amount of carbon is stored in over 400,000 miniature wood caches. As a result, it is one of the largest logjams ever. “To put that in perspective, that’s about two and a half million car emissions for a year. That’s a sizeable amount of carbon. We have great knowledge about carbon in other forms, like dissolved or particulate organic carbon, but not what we call ‘large carbon’ — large wood.
The study also sheds light on wood preservation and its significance in times of climate change. It adds to our understanding of the woody deposits found throughout the Arctic. “There’s been a lot of work on fluxes of carbon from water and sediment, but we simply didn’t pay attention to the wood until very recently. This is a very young field of research that is developing quite fast.
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