Annual minimum temperature variations in early 21st century in Punjab, Pakistan

摘要: Abstract Climate change is a key emerging threat to the global environment. It imposes long lasting impacts both at regional and national level. In recent era, warming extreme temperatures have drawn great interest scientific community. As in past century considerable increase surface been observed predictions revealed that it will continue future. this regard, current study mainly focused on analysis of climatic (annual minimum temperature trends its correlation with land early 21st Punjab) for period 1979–2013. The projected model data European Centre Medium-Range Weather Forecasts (ECMWF) Re-Analysis (ERA-Interim) has used eight Tehsils Punjab i.e., annual seasonal temperatures. Trend (Khushab, Noorpur, Sargodha, Bhalwal, Sahiwal, Shahpur, Sillanwali Chinoit) tehsils was carried out by Regression Mann–Kendall test. Landsat 5 Thematic Mapper (TM) comparison Model month May from years 2000, 2009 2010. Results showed no significant were temperature. A Sillanwali, Chinoit Sargodha during spring season, which indicated particular season transient time.