Response of Solar Activity in the evolution of drought and flood in the Hetao and its vicinity area

Author

Li, Qian ; Li, Dongliang

Author_Institution

Coll. of Atmos. Sci., Nanjing Univ. of Inf. Sci. & Technol., Nanjing, China

fYear

2011

fDate

24-26 June 2011

Firstpage

1544

Lastpage

1547

Abstract

Based on the drought and flood grads of 21 meteorology stations in Hetao and its vicinity from 1700-2006, response of Solar Activity in the evolution of droughtflood was analyzed. The results showed that Hetao region was prone to droughtflood at the peak of sunspot, and the region was easier to drought at the troughs of sunspot. The number of the sunspot had observably increased during 1927-2006 than during 1700-1926. At the same time, the frequency of drought in Hetao had increased 5 times during 1927-2006 than during 1700-1926. When the solar activity was stronger (weaker) than normal, the strength of the surface heating in the Tibetan Plateau was stronger (weaker) either, which caused drought in Inner Mongolia and flood in Ningxia and Shanxi province.

Keywords

climatology; floods; sunspots; AD 1700 to 2006; China; Hetao region; Ningxia province; Shanxi province; Tibetan Plateau; drought; flood; meteorology station; solar activity; sunspot; surface heating; Floods; Heating; Meteorology; Sea surface; Sun; Time frequency analysis; Hetao and its vicinity area; droughtflood grads; the relative sunspot number; the surface heating in the Tibetan Plateau;

fLanguage

English

Publisher

ieee

Conference_Titel

Remote Sensing, Environment and Transportation Engineering (RSETE), 2011 International Conference on

Conference_Location

Nanjing

Print_ISBN

978-1-4244-9172-8

Type

conf

DOI

10.1109/RSETE.2011.5964580

Filename

5964580