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CRC PUBLICATIONS |
The Impact of Rainfall Seasonality on Mean Annual Water Balance
Klaus Hickel
Lu Zhang
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:
Water balance
Seasons
Storage
Evapotranspiration
Catchment areas
Rainfall/Runoff Relationship
Modelling (Hydrological)
Stream flow
Water data
Water-Soil-Plant Interactions
Climate
Rain
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Abstract / Summary:
The Impact of Rainfall Seasonality on Mean Annual Water Balance in Catchments with Different Land Cover
Preface
Rain falling on a catchment feeds both streamflow and evapotranspiration. The partitioning of rainfall between these two pathways is a foundation concept of catchment hydrology. Measurement of many catchments for many years has shown us that the land use in the catchment and the seasonality of the rainfall are important factors that influence this partitioning. Our understanding of catchment hydrology is approaching the point where we can confidently predict the partitioning of rainfall and how it changes when we change the land use. This report describes some of the research that supports this important development. By enabling the consideration of seasonality, it enables more confidence in our prediction of how catchment hydrology changes when land use changes. The research reported here is a product of the CRC for Catchment Hydrology's Land Use Impact on Rivers Program. The program is focused upon the impact of man's activities upon the land and stream environment upon 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. The specific impacts we are considering are changes in streamflow, changes to in-stream habitat by the movement of coarse sediment and 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/index.html.
CRC Technical Report 03/11 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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