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CRC PUBLICATIONS |
The Effect of Clearing of Native Forest on Flow Regime
Richard Silberstein
Alice Best
Klaus Hickel
Tim Gargett
Anita Adhitya
Publication Type:
Technical Report
This is a publication of the current CRC for Catchment Hydrology
CRC Program:
Landuse Impacts on Rivers
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Publication Keywords:
Agricultural land
Land clearance
Land use
Flow rates
Vegetation
Native vegetation
Forests
Catchment areas
Discharge
Salinity
Groundwater
Water table
Runoff
Climate
Modelling
Afforestation
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Abstract / Summary:
Preface
There is now widespread awareness of the problems of land and stream salinity in the Australian community. The community understands the impacts to agricultural productivity, and the vision of white salt scalds spreading across the landscape, especially in Western Australia. However, the accompanying modifications to streamflow, length of wet period, and potential increase in flooding are less widely understood. This report investigates changes to flow
regime, in particular the frequency distribution of flow in the streams, using data from experimental catchments in southern Western Australia.
These catchments have the best record in Australia, and one of the best in the world demonstrating the link between clearing forest, the rise in stream salinity, and change to flow. It is therefore an important proving ground for our understanding of streamflow and salinity in catchments. For this reason, this report will be valuable reading for specialists managing salinity throughout Australia. It will also be a valuable resource for those interested in catchment flow responses to climate and deforestation.
This work has been conducted by the Cooperative Research Centre for Catchment Hydrology's Land-use Impacts on Rivers research program. This program is
focused on the impact of human activities upon the land and stream environment and the physical attributes of rivers. We are concerned about managing impacts for catchments ranging in size from a single hillslope to several thousands of square kilometres. Specifically our interest is focussed on changes in treamflow, changes to in-stream habitat by the movement of coarse and fine sediment, as well as changes to water quality (sediment, nutrients and salt). If you wish to find out more about the program's research, I invite you to first visit our website at http://www.catchment.crc.org.au/programs/projects
Peter Wallbrink
Program Leader
Land-use Impacts on Rivers
CRC for Catchment Hydrology
This report is available for downloading below.
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Centre Office:
CRC for Catchment Hydrology
Dept of Civil Engineering
Building 60
Monash University Vic 3800
Tel: +61 3 9905 2704
Fax: +61 3 9905 5033
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