基于SPI的西北地区气候干湿变化

翟禄新, 冯起

Dryness/Wetness Climate Variation Based on Standardized Precipitation Index in Northwest China

ZHAI Lu-xin, FENG Qi

自然资源学报 . 2011, (5): 847 -857 . DOI: 10.11849/zrzyxb.2011.05.012