齐齐哈尔地区春季及初夏干旱状况分析及成因探讨

Analysis and Cause Discussion of Drought in Spring and Early Summer of Qiqihar Area

利用1971-2008年齐齐哈尔市气温和降水资料进行了综合分析，采用降水距平百分率对旱涝进行分型，得到了齐齐哈尔市春季和初夏干旱的基本特征和规律，并对干旱的成因进行了探讨分析，对合理利用气候资源，提高防灾减灾能力以及春季短期气候预测有十分重要的意义。

Using the data of temperature and precipitation from 1971 to 2008 in Qiqihar City, the drought and flood were classified using the percentage of rainfall anomaly, the characteristics and laws has been showed in the spring and early summer drought, and the causes of drought were discussed and analyzed. The result was a great significance for used of climatic resources, improved the capabilities disaster prevention and mitigation and short-term climate forecasts in the spring.