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New Book Features CPO-Funded Research in Arctic Climate Change, Variability, and Extremes Chapter


An upcoming book, Arctic Hydrology, Permafrost, and Ecosystems by Dr. John Walsh, University of Alaska Fairbanks International Arctic Research Center Chief Scientist and Alaska RISA team co-lead PI, begins with a chapter based on work supported by CPO’s Climate Observations and Monitoring (COM) and Climate Variability and Predictability (CVP) programs. The chapter, Arctic Climate Change, Variability, and Extremes, walks readers through an overview of amplified warming in the Arctic, discussing a variety of processes in the climate system contributing to the warming. Processes discussed include feedbacks associated with sea ice and snow loss, the increase in atmospheric moisture, and the vertical temperature structure of the Arctic atmosphere. Several of the topics covered in the chapter draw upon indicators developed as part of the COM-funded “Arctic Indicators for Assessment and Enhanced Understanding” project. The indicators include: sea ice loss, warming around (permafrost) temperatures, Arctic temperatures, and vegetative greenness. Walsh ends the chapter by discussing how the recent variations of Arctic temperature fit with current global and regional climate models, and says that projected changes include continued warming and increased precipitation for the region.

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