干旱区生态环境知识资源中心(Arid): Combining Hydrogeochemical Characterization and a Hyperspectral Reflectance Tool for Assessing Quality and Suitability of Two Groundwater Resources for Irrigation in Egypt

Arid

DOI	10.3390/w12082169
	Combining Hydrogeochemical Characterization and a Hyperspectral Reflectance Tool for Assessing Quality and Suitability of Two Groundwater Resources for Irrigation in Egypt
	Gad, Mohamed; El-Hendawy, Salah; Al-Suhaibani, Nasser; Tahir, Muhammad Usman; Mubushar, Muhammad; Elsayed, Salah
通讯作者	El-Hendawy, S
来源期刊	WATER
EISSN	2073-4441
出版年	2020
卷号	12 期号:8
英文摘要	Hyperspectral reflectance sensing provides a rapid and cost-effective technique for assessing the suitability of groundwater for irrigation by monitoring real-time changes in its quality at a large scale. In this study, we assessed the quality of 15 groundwater samples from El Fayoum depression in the Western Desert (WD) and 25 groundwater samples from the Central Nile Delta (CND) in Egypt using a traditional approach of the physiochemical parameters, irrigation water quality indicators (IWQIs), and hydrochemical facies. The spectral reflectance data of the water surface was used to build new simple reflectance indices (SRIs), and the performance of these indices for assessing IWQIs was compared with those by partial least square regression (PLSR) that was based on all SRIs or the full-spectrum ranges. Generally, the groundwater of the CND was fresher and more suitable for irrigation purposes than those of the WD. Based on the six IWQIs, similar to 6.7-60.0% and 85.0-100.0% of the groundwater samples of the WD and CND, respectively, were categorized as highly suitable for irrigation purposes. Based on hydrochemical facies, Na-Cl and Ca-HCO(3)were dominant in the WD and CND, respectively, as well as the alkali earth metals (Na++ K+), which significantly exceeded the alkaline earth metals (Ca2++ Mg2+) in the WD, with the reverse for the CND. Most developed SRIs had a moderate, weak, and moderate to strong relationship with physiochemical parameters and IWQIs in the WD, CND, and across both regions, respectively. The PLSR models based on all SRIs provided a more accurate estimation of IWQIs in calibration and validation datasets than those based on full-spectrum ranges, and both PLSR models provided better estimation than the individual SRIs. These findings support the feasibility of using ground reflectance measurements as a fast and low-cost tool for the assessment and management of groundwater for irrigation in arid and semiarid regions.
英文关键词	irrigation water quality indicators partial least squares regression physicochemical parameters Piper diagram potential salinity proximal remote sensing sodium absorption ratio
类型	Article
语种	英语
开放获取类型	DOAJ Gold
收录类别	SCI-E
WOS记录号	WOS:000567067300001
WOS关键词	RIVER WATER-QUALITY ; CHLOROPHYLL-A ; GRAIN-YIELD ; INDEX WQI ; PHOSPHORUS ; WHEAT ; CLASSIFICATION ; GEOCHEMISTRY ; TEMPERATURE ; REGRESSION
WOS类目	Water Resources
WOS研究方向	Water Resources
来源机构	King Saud University
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/326118
作者单位	[Gad, Mohamed] Univ Sadat City, Environm Studies & Res Inst ESRI, Hydrogeol Evaluat Nat Resources Dept, Menoufia 32897, Egypt; [El-Hendawy, Salah; Al-Suhaibani, Nasser; Tahir, Muhammad Usman; Mubushar, Muhammad] King Saud Univ, Coll Food & Agr Sci, Dept Plant Prod, POB 2460, Riyadh 11451, Saudi Arabia; [El-Hendawy, Salah] Suez Canal Univ, Fac Agr, Dept Agron, Ismailia 41522, Egypt; [Elsayed, Salah] Univ Sadat City, Environm Studies & Res Inst, Agr Engn Evaluat Nat Resources Dept, Menoufia 32897, Egypt
推荐引用方式 GB/T 7714	Gad, Mohamed,El-Hendawy, Salah,Al-Suhaibani, Nasser,et al. Combining Hydrogeochemical Characterization and a Hyperspectral Reflectance Tool for Assessing Quality and Suitability of Two Groundwater Resources for Irrigation in Egypt[J]. King Saud University,2020,12(8).
APA	Gad, Mohamed,El-Hendawy, Salah,Al-Suhaibani, Nasser,Tahir, Muhammad Usman,Mubushar, Muhammad,&Elsayed, Salah.(2020).Combining Hydrogeochemical Characterization and a Hyperspectral Reflectance Tool for Assessing Quality and Suitability of Two Groundwater Resources for Irrigation in Egypt.WATER,12(8).
MLA	Gad, Mohamed,et al."Combining Hydrogeochemical Characterization and a Hyperspectral Reflectance Tool for Assessing Quality and Suitability of Two Groundwater Resources for Irrigation in Egypt".WATER 12.8(2020).