Surface flux modelling using ARIMA technique in humid subtropical monsoon area |
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Authors: | Manoj Kumar Anil Kumar NC Mahanti Chinmay Mallik Ripunjay K Shukla |
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Institution: | 1. Graduate School of Agriculture, Hokkaido University, Sapporo 060-8589, Japan;2. Center for Global Environmental Research, National Institute for Environmental Studies, Tsukuba 305-8506, Japan;3. Sarawak Tropical Peat Research Institute, Lot 6035, Kuching-Kota Samarahan Expressway, 94300 Kota Samarahan, Malaysia |
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Abstract: | In this paper, we attempt to fit sensible heat fluxes obtained by the profile method between 1–2 and 1–4 m height into the autoregressive integrated moving average (ARIMA) family. In both the profiles, fluxes are found to fit into the first-order autoregression AR (1)] model, which is the continuous analog of the first-order Markov chain. The ARIMA (1, 0, 0) model was able to simulate the heat flux value for 1 h in advance for both the profiles (1–2 and 1–4 m height) generating a prediction error of 18.28% and 4.95%, respectively. |
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