%0 Journal Article
%T Projected changes in the western North Pacific subtropical high under six global warming targets
%A Dong GUO
%A Yuanhai FU
%J Atmospheric and Oceanic Science Letters
%D 2020
%R https://doi.org/10.1080/16742834.2020.1696649
%X ABSTRACT The summer western North Pacific subtropical high (WNPSH) has large influences on the East Asian summer climate. Many studies have focused on the projected changes in the WNPSH, but little is known about the changes under different global warming targets, such as 1.5ˇăC and 2.0ˇăC. This study investigates the changes in the WNPSH under six global warming targets (1.5ˇăC, 2.0ˇăC, 2.5ˇăC, 3.0ˇăC, 3.5ˇăC, and 4.0ˇăC) in both the mid- and lower troposphere, using the outputs of CMIP5 model in historical simulations and under Representative Concentration Pathway 8.5. The projected changes in the WNPSH, which is measured by multiple variables, show that it changes little under the 1.5ˇăC target in the mid-troposphere, but weakens and retreats approximately 2.5ˇă in longitude under the 2.0ˇăC target. It tends to linearly weaken with warming greater than 2.5ˇăC and shifts eastward by approximately 6.0ˇă in longitude by the 4.0ˇăC target. Meanwhile, the WNPSH intensifies and extends westward under the 1.5ˇăC target in the lower troposphere, but changes little with warming rising from 1.5ˇăC to 2.0ˇăC. It is projected to extend westward by approximately 2.0ˇă in longitude by the 4.0ˇăC target. Graphical Abstrac
%U https://www.tandfonline.com/doi/full/10.1080/16742834.2020.1696649