桂林理工大学学报2012，Vol.32Issue(4)：495-499,5.DOI:10.3969/j.issn.1674-9057.2012.04.008
2009-2010年中国西南岩溶区旱情分析与减灾对策——以广西岩溶区为例
Drought Causes and Countermeasures of China Southwest Karst Area from 2009 to 2010——A Case in Karst Area of Guangxi
摘要
Abstract
To study the countermeasure of drought relief of karst area in southwest China, the drought situation of karst area in Guangxi from the fall of 2009 to the spring of 2010 is analyzed. The mean precipitation decreased 20% -70% compared with the time in most parts,while temperatures raised 0.7-2. 8℃ except November and April. There was no effective precipitation for 8 months in some areas. About 100 × 104 hm2 were agricultural drought areas, about 70% cultivated area in karst region. The drought distribution has a high concordance with karst distribution. Extreme climate is the main cause of this severe drought in southwest China. The hydrogeo-logical and landform condition are the unique factors contributed to the drought in karst area. Engineering water shortage and environmental deterioration caused by artificial factors are also one of the main factors. The countermeasures on drought are proposed finally, including enhancing the surveillance, monitoring, forecasting and emergency response capacity of drought disaster, building, managing and maintaining hydraulic engineering construction, attaching importance to ecological restoration, reconstruction and protection in karst area.关键词
岩溶区/干旱/成因/减灾对策/广西Key words
karst area/drought/causes/countermeasures/Guangxi分类
天文与地球科学引用本文复制引用
郭纯青,潘林艳,周蕊,符秋菊..2009-2010年中国西南岩溶区旱情分析与减灾对策——以广西岩溶区为例[J].桂林理工大学学报,2012,32(4):495-499,5.基金项目
国家自然科学基金项目(41172230) （41172230）
