Arid
DOI10.1007/s12665-016-6059-6
Dynamic panel-data-based groundwater level prediction and decomposition in an arid hardrock-alluvium aquifer
Izady, A.1; Abdalla, O.1,2; Mahabbati, A.3
通讯作者Abdalla, O.
来源期刊ENVIRONMENTAL EARTH SCIENCES
ISSN1866-6280
EISSN1866-6299
出版年2016
卷号75期号:18
英文摘要

The comprehensive recognition of groundwater level, especially in arid and semiarid areas, is important in many hydrogeological and hydrological studies. This research aims at predicting and decomposing groundwater level using dynamic panel-data (D-PD) method in an arid hardrock-alluvium Al-Buraimi region, Oman-UAE border. The D-PD method incorporates temporal and spatial variations to predict groundwater level and detects effects that are not simply computable in pure cross-sectional or pure time-series methods. Monthly rainfall, potential evapotranspiration and artificial abstraction, as independent variables, were calculated for 3(Thiessen polygons. The D-PD model was developed to predict groundwater level for the calibration (October 1996 to September 2008) and validation (October 2008 to September 2012) periods. The calibrated D-PD model was then used to decompose the groundwater level hydrograph and to quantify the influence of climate, artificial abstraction, "unobservable spatial-specific effect’’ and "unobservable time-specific effect’’ components. The results show significant effect of rainfall on the second time lag, while artificial abstraction and potential evapotranspiration as surrogate of natural groundwater abstraction have influence on the fourth and eighth time lags on the groundwater level prediction. It is found that "unobservable spatial-specific effects’’ and "unobservable time-specific effects’’ components of the D-PD model highly influence groundwater level prediction in the study area. The proper match obtained from D-PD method between computed and observed groundwater levels in the study area indicates that the method is efficient and robust and proposes its application to predict and decompose groundwater level variations in regions with complex hydrogeology.


英文关键词Dynamic panel-data modeling Statistical modeling Hardrock-alluvium Groundwater level Oman
类型Article
语种英语
国家Oman ; Iran
收录类别SCI-E ; SSCI
WOS记录号WOS:000384333000037
WOS关键词TIME-SERIES ; ENERGY-CONSUMPTION ; ECONOMIC-GROWTH ; SPATIAL INTERPOLATION ; HEAD FLUCTUATIONS ; CAUSALITY ; COUNTRIES ; COMPANIES ; MODELS ; EU
WOS类目Environmental Sciences ; Geosciences, Multidisciplinary ; Water Resources
WOS研究方向Environmental Sciences & Ecology ; Geology ; Water Resources
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/192694
作者单位1.Sultan Qaboos Univ, Water Res Ctr, Muscat, Oman;
2.Sultan Qaboos Univ, Dept Earth Sci, Coll Sci, Muscat, Oman;
3.Ferdowsi Univ Mashhad, Water Engn Dept, Coll Agr, Mashhad, Iran
推荐引用方式
GB/T 7714
Izady, A.,Abdalla, O.,Mahabbati, A.. Dynamic panel-data-based groundwater level prediction and decomposition in an arid hardrock-alluvium aquifer[J],2016,75(18).
APA Izady, A.,Abdalla, O.,&Mahabbati, A..(2016).Dynamic panel-data-based groundwater level prediction and decomposition in an arid hardrock-alluvium aquifer.ENVIRONMENTAL EARTH SCIENCES,75(18).
MLA Izady, A.,et al."Dynamic panel-data-based groundwater level prediction and decomposition in an arid hardrock-alluvium aquifer".ENVIRONMENTAL EARTH SCIENCES 75.18(2016).
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