Open Access Research Paper Views (645) Download (21) Global Warming and Temperature Changes for Saudi Arabia Ishtiaq Hassan, Abdul Razzaq Ghumman, Hashim Nisar Hashmi J. Bio. Env. Sci.8( 1), 179-191, January 2016. Key: DownscalingEdGCMGHG (Greenhouse Gases)IsohyetsQuickSurf Modeling Details