The Evaluation of Long Term Trend I |
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Authors: | D F Nicholls C R Heathcote R B Cunningham |
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Institution: | Australian National University, Canberra |
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Abstract: | A procedure is presented for the determination of the long term trend in series of data. Robust data smoothing procedures are used to decompose the data into trend, seasonal and irregular components. Confirmatory data analysis is then used to model the deseasonalized data and hence determine the long term trend. A series of riverflow data is analysed using these methods. |
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