JpGU-AGU Joint Meeting 2017

講演情報

[EE] ポスター発表

セッション記号 A (大気水圏科学) » A-HW 水文・陸水・地下水学・水環境

[A-HW33] [EE] Human-Natural system interactions and solutions for environmental management

2017年5月20日(土) 13:45 〜 15:15 ポスター会場 (国際展示場 7ホール)

コンビーナ:Yuei-An Liou(National Central University)

[AHW33-P02] Simulated Impacts of Afforestation in East China on Climate Modulated by Ocean Variability

*Di Ma1bo han1zhaoguo li1 (1.Northwest Institute of Eco-Environment and Resources,CAS)

キーワード:Afforestation, Ocean variability, WES feedback

Using the fully coupled climate model, NCAR CCSM3.5-DGVM, this work examines the effects of afforestation in East China on climate and the role of ocean variability in modulating with these land-atmosphere interactions.

In response to afforestation, the local surface air temperature significantly decreases in summer and increases in winter. The summer cooling is due to enhanced evapotranspiration. The winter warming is caused by a decrease in surface albedo, and in the presence of ocean variability, this warming is enhanced by the trapping of longwave radiation by additional moisture and clouds.

With the ocean variability, the response of the hydrologic cycle to afforestation is amplified. More water vapor transport in East China and form more cloud and precipitation especially in winter and pre-monsoon season.