Name: Drought Forecasting
SKU: 57703484
Price: 44.45 EUR
Availability: InStock
Author: Qi, Zhang
ISBN: 9786202918657

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Type

Physical Book

Author

Zhang Qi

Publisher

LAP Lambert Academic Publishing

Language

English

Pages

Format

Paperback

Dimensions

22.9x15.2x0.3 cm

Weight

0.10 kg.

ISBN13

9786202918657

Synopsis "Drought Forecasting"

Drought forecasts could effectively reduce the risk of drought. Data-driven models are suitable forecast tools because of their minimal information requirements. The motivation for this study is that because most data-driven models, such as autoregressive integrated moving average (ARIMA) models, can capture linear relationships but cannot capture nonlinear relationships they are insufficient for long-term prediction.The hybrid ARIMA-support vector regression (SVR) model proposed in this paper is based on the advantages of a linear model and a nonlinear model. The multi scale standard precipitation indices (SPI: SPI1, SPI3, SPI6, and SPI12) were forecast and compared using the ARIMA model and the hybrid ARIMA-SVR model. The performance of all models was compared using measures of persistence, such as the coefficient of determination, root-mean-square error, mean absolute error, Nash-Sutcliffe coefficient, and kriging interpolation method in the ArcGIS softwar

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