Hydrography is a science or branch of the Earth Sciences that deals with the description and systematic study of the different planetary bodies of water, in particular, of inland waters. For their field of study, the hydrography has linkages with other sciences, in particular with the geology. In the study of inland waters, the most important hydrographical characteristics of rivers, are flow, basin, basin slope, channel or bed, River regime, regime, fluvial dynamics, erosion, River sedimentation, types of valleys and outstanding
