East Asian Climate Change Trend Under Global Warming Background

Abstract

AbstractUsing the numerical experiment results as simulated by seven climate models under SRES A2 and B2 scenarios; we analyze the climate change trend of East Asia during the 21st century. Our result suggests that surface temperature rise in China synchronizes with the global average case generally. However, the warming amplitude in northeastern, western, and central China is larger and exhibits marked inter‐annual variations compared with the global average. The warming amplitude contour of annual mean global surface temperatures over the 21st century are distributed in band shape along with latitudes and gradually enlarges toward high latitudes, with the larger values at the Arctic and Antarctic, especially for the former. In addition, simulated large annual warming at northern high latitudes over the latter half of the 21st century is mainly due to winter warming. Over the former half of the 21st century, the concentration increase of atmospheric greenhouse gas slightly impacts annual and seasonal precipitation in China except for the Qinghai‐Xizang Plateau, where summer precipitation rises significantly. However, both annual and seasonal precipitation will increase notably in China in the latter half of the 21st century.