Tennichibs

Map work Techniques • applying map skills and techniques: scale, contours, cross-sections, position, distance, area • direction: magnetic north, true north, bearing and concept of magnetic declination • grid referencing • map and photo interpretation, including: reading and analysis of physical and constructed features • using maps and other graphical representations: synoptic weather maps and graphs. Topographic Maps • 1: 50 000 maps: conventional signs and symbols • conto...

This summary cover the following topics for Grade 12 Geomorphology: Drainage Systems in South Africa • important concepts: drainage basin, catchment area, river system, watershed, tributary, river mouth, source, confluence, water table, surface run-off and groundwater • types of rivers: permanent, periodic, episodic and exotic • drainage patterns: dendritic, trellis, rectangular, radial, centripetal, deranged and parallel • drainage density • stream order • use of topographi...

RURAL AND URBAN SETTLEMENT Summary covering the following concepts: • concept of settlement • site and situation • rural and urban settlements • settlement classification according to size, complexity, pattern and function Rural Settlements • how site and situation affect the location of rural settlements • classification of rural settlements according to pattern and function • reasons for different shapes of settlements: round, linear, T-shaped and crossroad • land...