Abstract:

The app lication of K drought index for droughtmonitor operation in Gansu was introduced in this paper, and the mainly analysiswas as follows: the definition, grades, criterion, app lication of K drought index, and the comparison between monitor results of K drought index and actual drought situation. Results indicate that there is a good effect in droughtmonitorwith K index compared to actual drought situation in sp ring, May, June, July to August, and Sep tember in 2008 in Gansu p rovince.

Key words: K drought index, Gansu p rovince, monitor operation, comparison

摘要：

利用K干旱指数及其干旱监测预测业务系统,着重介绍了K干旱指数在甘肃省干旱监测业务中的应用。从K干旱指数的定义、等级、标准、应用及其监测结果与实际干旱状况的比较方面进行了分析。结果表明,与实际的旱情比较, K干旱指数在甘肃省2008年春季、5月、6月、伏期(7～8月)以及秋季前期9月的干旱监测中有较好的监测效果。

关键词: K干旱指数, 甘肃省, 监测业务, 对比分析