The library here was made possible through the kind contribution of volunters, Green WaterHut and its partners are not liable for the validity of the contents, authors can be contacted directly if there are any questions or issues of concern related to post items. Our prime purpose to facilitate the easy learning of GIS and Remote Sensing and help raise more awareness towards the application on water and environmental resources. Hence, critical technical review and accuracy of professional terminology is beyond the scope of the organisation. Be advise while you download and use documents or articles from this library. You will also have to register and log in to have access to the library.