1D Model of Global SST Shows 40% of Warming Since 1979 Due to Early Volcanic Cooling

From Dr. Roy Spencer’s Blog January 14th, 2020 by Roy W. Spencer, Ph. D. In 2017, Christy & McNider published a study where they estimated and removed the volcanic effects from our UAH lower tropospheric (LT) temperature record, finding that 38% of the post-1979 warming trend was due to volcanic cooling early in the record.…