Recent Climate Trends and Drought Behavioral Assessment Based on Precipitation and Temperature Data Series in the Songhua River Basin of China Muhammad Imran Khan 1,2,3 & Dong Liu 1,2,3 & Qiang Fu 1,2,3 & Shuhua Dong 4 & Umar Waqas Liaqat 5 & Muhammad Abrar Faiz 1,2,3 & Yuxiang Hu 1,2,3 & Qaisar Saddique 6 Received: 8 March 2016 /Accepted: 24 July 2016 # Springer Science+Business Media Dordrecht 2016 Abstract Precise analysis of spatiotemporal trends of temperature, precipitation and meteo- rological droughts plays a key role in the sustainable management of water resources in the given region. This study first aims to detect the long-term climate (monthly/seasonally and annually) trends from the historical temperature and precipitation data series by applying Spearmen’ s Rho and Mann-Kendall test at 5 % significant level. The measurements of both Water Resour Manage DOI 10.1007/s11269-016-1456-x * Dong Liu liudong5511@sina.com Muhammad Imran Khan imrankhan7792@yahoo.com Qiang Fu fuqiang@neau.edu.cn Shuhua Dong zyg0807@163.com Umar Waqas Liaqat umarchatha@hanyang.ac.kr Muhammad Abrar Faiz Abrar_faiz@yahoo.com Yuxiang Hu huyuxiang1394@gmail.com Qaisar Saddique engrqaisar87@gmail.com 1 School of Water Conservancy & Civil Engineering, Northeast Agricultural University, Harbin, Heilongjiang 150030, China