𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Erosional history of the Warrah Catchment in the Liverpool Plains, New South Wales

✍ Scribed by S. G. Beavis; L. Zhang; A. J. Jakeman; S. D. Gray


Publisher
John Wiley and Sons
Year
1999
Tongue
English
Weight
263 KB
Volume
13
Category
Article
ISSN
0885-6087

No coin nor oath required. For personal study only.

✦ Synopsis


Since European settlement, considerable changes in land cover and land management have occurred in the Liverpool Plains as a response to agricultural expansion and development. As a consequence, erosion gullies have been initiated and subsequently have developed into extensive networks. Streams, erosion gully networks, rills, land cover and land management have been mapped and digitized on to a GIS using a number of aerial photographic time-slices. Information derived from the GIS-generated maps includes: (a) measurement of temporal and spatial changes in the Β―uvial and gully networks, and land use and land management practices; and (b) assessment of changes in the connectivity of gullies to streams. It has been shown that revegetation and erosion control works decreased the density of erosion gullies from 1943 to 1994.


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