摘要
根据黑龙江省1954-2007年夏季平均气温与1956-2007年夏季降水量资料,计算了逐年降水距平百分率、沙道夫干湿指数,Z指数和气温距平值等。按计算结果,对旱、涝、低温等级进行了划分,确定了等级标准。结果表明,使用降水距平百分率、温度距平值同Z指数对旱、涝、低温的划分,结果比较一致。另外,应用了旱、涝、低温指数与季平均气温、降水5年滑动平均值,对黑龙江年代际气候变化趋势进行了分析,指出21世纪初期开始黑龙江已经进入了一个干暖时期。
Based on the mean temperature during, 1954 -2007 and precipitation data during 1956 -2007 in Summer in Heilongjiang Province, the precipitation anomaly percentage, Shdaofu drought and wet index, Z-index and temperature anomaly were calculated. According to calculation result, the grades of drought, flood and low temperature were divided. The results show that the grades divided using precipitation anomaly percentage, temperature anomaly are same as that divided using zindex. Furthermore, the interdecadal climate change trend in Heilongjiang Prorince was analyzed by use of drought, flood, temperature indices and seasonal mean temperature as well as 5 - year moving average of precipitation. It is point out that at the beginning of 21st century, the climate in Heilongjiang Province gets into a dry and warm period.
出处
《自然灾害学报》
CSCD
北大核心
2008年第5期142-146,共5页
Journal of Natural Disasters
基金
黑龙江省科技攻关资助项目(GC06C10302)
关键词
旱涝
低温
标准
气候变化
drought and food
low temperature
standard
climate change
