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Morphological units of the Gina River catchment

Morphological units of the Gina River catchment

Figure   Morphological units of the Gina River catchment delineated during a field survey carried out by an international student group in 2003;

modified after Beck et al. 2004, 30.

 

  The Gina River catchment can be divided into six different morphological units. The determining factors are slope inclination and elevation:
  • Plains: In the Plains slope inclination is, in general, less than 3 %. Thus, significant changes in altitude do not occur. This morphological unit is located mainly in the southern part of the catchment area and around the village of Mesho.
  • Undulating areas: The Undulating areas show a complex hilly structure. Only at some locations does slope inclination increase up to 20 %. This unit covers more than half of the Gina River catchment.
  • Steep slopes: Steep slope areas are characterised by a strong relief. They frame mainly the Mountain tops.
  • Mountain tops: This morphological unit is defined by its high elevation (above 3000 m a.s.l.). Slopes are mostly gentle to almost flat. These areas are located at the divide.
  • Deep valleys: This unit is characterised by channels with steep, perpendicular river banks. Water is running throughout the year. Deep valleys occur along the lower course of the Gina River tributaries.
  • Shallow valleys: This morphological unit shows gently sloped river banks. Shallow valleys occur along the Gina River (Beck et al. 2004).