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基于加权马尔可夫模型的条件植被温度指数预测研究

Agricultural Research in the Arid Areas(2008)

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Abstract
条件植被温度指数(VTCI)是一种近实时的干旱监测指标。利用加权马尔可夫模型对陕西关中平原的条件植被温度指数(VTCI)时空变化序列进行了2步预测,并将预测结果与实际监测结果进行对比分析,结果表明,预测的干旱监测结果与实际的干旱监测结果空间分布特征基本一致,进一步的误差分析显示,2步预测的误差平均值分别为0.042和0.152。
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Key words
vegetation temperature condition index,weighted Markov model,drought forecasting
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