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- W1964503472 abstract "This paper describes improvements to the Vegetation Outlook (VegOut) model developed by the National Drought Mitigation Center for the USA. VegOut provides early drought warning by predicting general vegetation conditions at multiple time steps (e.g., 2-, 4- and 6-week outlooks). VegOut integrates climate, biophysical, oceanic, and satellite-based vegetation data with data mining algorithms to identify historical patterns and to predict future vegetation conditions based on these patterns and current conditions. This study investigated various algorithms and found that bagging ensembles of the linear regression algorithm outperformed other algorithms, including the currently used algorithm in VegOut. This study found that using several weeks of recent satellite vegetation data enhances prediction accuracy, especially for long-range outlooks. These discoveries illustrate that model development must carefully analyse both input data and algorithmic choice. The results of this study will be used to improve VegOut’s prediction accuracy." @default.
- W1964503472 created "2016-06-24" @default.
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- W1964503472 date "2014-01-01" @default.
- W1964503472 modified "2023-09-27" @default.
- W1964503472 title "Improving drought risk modelling: using multiple periods of satellite data with ensembles of data mining algorithms" @default.
- W1964503472 doi "https://doi.org/10.1504/ijsss.2014.062438" @default.
- W1964503472 hasPublicationYear "2014" @default.
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