{"id":72955,"date":"2020-09-22T22:32:06","date_gmt":"2020-09-22T19:32:06","guid":{"rendered":"https:\/\/en.buradabiliyorum.com\/warming-temperatures-are-driving-arctic-greening\/"},"modified":"2020-09-22T22:32:06","modified_gmt":"2020-09-22T19:32:06","slug":"warming-temperatures-are-driving-arctic-greening","status":"publish","type":"post","link":"https:\/\/buradabiliyorum.com\/en\/warming-temperatures-are-driving-arctic-greening\/","title":{"rendered":"#Warming temperatures are driving Arctic greening"},"content":{"rendered":"

“#Warming temperatures are driving Arctic greening<\/strong>”<\/p>\n

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\n When Arctic tundra greens, undergoing increased plant growth, it can impact wildlife species including reindeer and caribou. Credit: Logan Berner\/Northern Arizona University
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As Arctic summers warm, Earth’s northern landscapes are changing. Using satellite images to track global tundra ecosystems over decades, a new study found the region has become greener, as warmer air and soil temperatures lead to increased plant growth.<\/p>\n


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“The Arctic tundra is one of the coldest biomes on Earth, and it’s also one of the most rapidly warming,” said Logan Berner, a global change ecologist with Northern Arizona University in Flagstaff, who led the recent research. “This Arctic greening we see is really a bellwether of global climatic change\u2014it’s a biome-scale response to rising air temperatures.”<\/p>\n

The study, published this week in Nature Communications<\/i>, is the first to measure vegetation changes spanning the entire Arctic tundra, from Alaska and Canada to Siberia, using satellite data from Landsat, a joint mission of NASA and the U.S. Geological Survey (USGS). Other studies have used the satellite data to look at smaller regions, since Landsat data can be used to determine how much actively growing vegetation is on the ground. Greening can represent plants growing more, becoming denser, and\/or shrubs encroaching on typical tundra grasses and moss.<\/p>\n

When the tundra vegetation changes, it impacts not only the wildlife that depend on certain plants, but also the people who live in the region and depend on local ecosystems for food. While active plants will absorb more carbon from the atmosphere, the warming temperatures could also be thawing permafrost, thereby releasing greenhouse gasses. The research is part of NASA’s Arctic Boreal Vulnerability Experiment (ABoVE), which aims to better understand how ecosystems are responding in these warming environments and the broader social<\/a> implications.<\/p>\n


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