Arid
DOI10.1016/j.jhydrol.2018.10.009
A model for the assessment of the effect of mulching on aquifer recharging by rainfalls in an arid region
Banihabib, Mohammad Ebrahim; Vaziri, Bahman; Javadi, Saman
通讯作者Banihabib, Mohammad Ebrahim
来源期刊JOURNAL OF HYDROLOGY
ISSN0022-1694
EISSN1879-2707
出版年2018
卷号567页码:102-113
英文摘要

In this paper, a model is proposed for the assessment of the effectiveness of various mulches in increasing deep percolation of rainfalls for enhancing arid zones aquifers. For this purpose, 8 precipitations were selected from the Intensity-Duration-Frequency (IDF) curves of the study area with a return period of 2 and 5 years. The deep percolation of these precipitations were examined in lysimeters with gravel, sand and mixed mulches and without any mulch. Then 192 data of soil moisture, daily maximum air-temperature and deep percolation were measured for driving empirical equations. Moreover, the efficiency and accuracy of these empirical equations were investigated using Coefficient of Determination (CD) and Nash-Sutcliffe Efficiency Coefficient (NSEC). The results showed that the obtained empirical equations could estimate deep percolation and evaporation with an acceptable accuracy. Using these equations and the soil-water balance equation, a soil moisture model was developed for the assessment of deep percolation. Then it was examined to evaluate the efficiency of the mulched soils in increasing soil moisture and aquifer recharging of three years’ precipitations in Shahrekord plain, Iran. The results showed that the deep percolation increased in all examined mulched soils compared to unmulched soil, its maximum and cumulative increase were in gravel mulch with 21.3% and 30%, respectively. Furthermore, groundwater modeling results showed that the mulching could improve groundwater level as 0.34 m over a three year period. Finally, this paper proposes soil mulching for enhancing groundwater resources and a model to assess it.


英文关键词Assessment Model Mulch Recharge Lysimeter Shahrekord plain GMS
类型Article
语种英语
国家Iran
收录类别SCI-E
WOS记录号WOS:000454753900009
WOS关键词WATER-USE EFFICIENCY ; WINTER-WHEAT ; SOIL-WATER ; GROUNDWATER RECHARGE ; INFILTRATION ; SURFACE ; YIELD ; INTENSITY ; L.
WOS类目Engineering, Civil ; Geosciences, Multidisciplinary ; Water Resources
WOS研究方向Engineering ; Geology ; Water Resources
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/211095
作者单位Univ Tehran, Dept Irrigat & Drainage Engn, Coll Aburaihan, Tehran, Iran
推荐引用方式
GB/T 7714
Banihabib, Mohammad Ebrahim,Vaziri, Bahman,Javadi, Saman. A model for the assessment of the effect of mulching on aquifer recharging by rainfalls in an arid region[J],2018,567:102-113.
APA Banihabib, Mohammad Ebrahim,Vaziri, Bahman,&Javadi, Saman.(2018).A model for the assessment of the effect of mulching on aquifer recharging by rainfalls in an arid region.JOURNAL OF HYDROLOGY,567,102-113.
MLA Banihabib, Mohammad Ebrahim,et al."A model for the assessment of the effect of mulching on aquifer recharging by rainfalls in an arid region".JOURNAL OF HYDROLOGY 567(2018):102-113.
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