1) dryness/wetness distribution
旱涝分型
2) drought and flood pattern
旱涝型式
4) Drought-flood analysis
旱涝分析
5) regional differentiation of drought and waterlog
旱涝分区
6) typical drought and waterlog
典型旱涝年
1.
By investigating distribution and change of rainfall from 1961 to 2000 with analyses of empirial orthogonal function,wavelet and fractal dimension,the typical drought and waterlog were confirmed.
利用黄土高原40 a降水资料,采用EOF、小波分析和计算分维数等方法,确定典型旱涝年份,分析典型旱涝年降水量和频次变化特征。
补充资料：旱涝
1.旱灾和涝灾。亦泛指自然灾害。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条