Future Extreme Climates Projection over Huang-Huai-Hai Region of China

Abstract:

This study projects the future extreme climate changes over Huang-Huai-Hai (3H) region in China using a regional climate model (RegCM4). The RegCM4 performs well in “current” climate (1970-1999) simulations by compared with the available surface station data, focusing on near-surface air temperature and precipitation. Future climate changes are evaluated based on experiments driven by European-Hamburg general climate model (ECHAM5) in A1B future scenario (2070-2099). The results show that the annual temperature increase about 3.4 °C-4.2 °C and the annual precipitation increase about 5-15% in most of 3H region at the end of 21^st century. The model predicts a generally less frost days, longer growing season, more hot days, no obvious change in heat wave duration index, larger maximum five-day rainfall, more heavy rain days, and larger daily rainfall intensity. The results indicate a higher risk of floods in the future warmer climate. In addition, the consecutive dry days in Huai River Basin will increase, indicating more serve drought and floods conditions in this region.

• Periodical: Advanced Materials Research (Volumes 955-959)
• Pages: 3887-3892
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.955-959.3887
• Online since: June 2014
• Authors: Huang He Gu*, Zhong Bo Yu, Ji Gan Wang
• Keywords: Climate Change, Extreme Climate Events, Huang-Huai-Hai Region, Regional Climate Model

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