By marin.eladi | Fri, 13 Nov 2009 - 17:09 Attachment Size hamid_3rd_ws-bonn_22_10_09.pdf (6.41 MB) 6.41 MB Hamid A. Ahmed.RS & GIS for decision support system Model for determining preference sites for water harvest Eastern Nile locality - Sudan. Remote Sensing Authority – Sudan Free tagging climate change GIS Third International UN-SPIDER Bonn Workshop land degradation