Streamflow drought time series forecasting: a case study in a small watershed in North West Spain

被引：44

作者：

Fernandez, Cristina ^{[1
]}

Vega, Jose A. ^{[1
]}

Fonturbel, Teresa ^{[1
]}

Jimenez, Enrique ^{[1
]}

机构：

[1] Conselleria Medio Ambiente & Desenvolvemento Sost, Ctr Invest & Informac Ambiental, Pontevedra 36080, Spain

来源：

STOCHASTIC ENVIRONMENTAL RESEARCH AND RISK ASSESSMENT | 2009年 / 23卷 / 08期

关键词：

Streamwater; Drought; Forecasting; Time series; Caldas catchment; MODEL; MANAGEMENT; VARIABLES;

D O I：

10.1007/s00477-008-0277-8

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Drought is a climatic event that can cause significant damage both in natural environment and in human lives. Drought forecasting is an important issue in water resource planning. Due to the stochastic behaviour of droughts, a multiplicative seasonal autoregressive integrated moving average model was applied to forecast monthly streamflow in a small watershed in Galicia (NW Spain). A better streamflow forecast obtained when the Martone index was included in the model as explanatory variable. After forecasting 12 leading month streamflow, three drought thresholds: streamflow mean, monthly streamflow mean and standardized streamflow index were chosen. Both observed and forecasted streamflow showed no drought evidence in this basin.

引用

页码：1063 / 1070

页数：8

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