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Rivers in humid zones are delicately adjusted, within narrow limits, to evacuate the water and sediment supplied from upstream without significant changes in channel type and the morphology of the valley floor. Prevailing climate and land use are the major controls determining the nature of that adjustment. Significant environmental change (either climate and/or land use) has the potential to change...
ER Mapper , an image processing system, was used to manipulate scanned maps, plans and aerial photographs to enable detailed analysis of historical river channel planform change. The ER Mapper package offers the opportunity to spatially reference each item of planform data into the same scale and co-ordinate space as a base map, using a warping algorithm and operator selected ground control points...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.