A Method of Analysing Stream Channel Response to Environmental Change: gauge data for the Tully River

Authors: Neil D.; Yu B.

Source: Australian Geographer, Volume 30, Number 2, 1 July 1999 , pp. 239-252(14)

Publisher: Routledge, part of the Taylor & Francis Group

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Abstract:

Gauging data are available from numerous streams throughout Australia, and these data provide a basis for historical analysis of geomorphic change in stream channels in response to both natural phenomena and human activities. We present a simple method for analysis of these data, and a brief case study of an application to channel change in the Tully River, in the humid tropics of north Queensland. The analysis suggests that this channel has narrowed and deepened, rather than aggraded: channel aggradation was expected, given the intensification of land use in the catchment, upstream of the gauging station. Limitations of the method relate to the time periods over which stream gauging occurred; the spatial patterns of stream gauging sites; the quality and consistency of data collection; and the availability of concurrent land-use histories on which to base the interpretation of the channel changes.

Keywords: CHANNEL; CHANGE; STREAM; GAUGING; HUMID; TROPICS; LAND-USE; CHANGE

Language: English

Document Type: Research article

Publication date: 1999-07-01

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