干旱区生态环境知识资源中心(Arid): Application of kriging techniques for assessing the salinity of irrigated soils: the case of El Ghrous perimeter, Biskra, Algeria

Arid

DOI	10.3232/SJSS.2019.V9.N2.04
	Application of kriging techniques for assessing the salinity of irrigated soils: the case of El Ghrous perimeter, Biskra, Algeria
	Abdennour, M. A.; Douaoui, A.; Bradai, A.; Bennacer, A.; Fernandez M, Pulido
通讯作者	Abdennour, MA
来源期刊	SPANISH JOURNAL OF SOIL SCIENCE
ISSN	2253-6574
出版年	2019
卷号	9 期号:2 页码:105-124
英文摘要	In semi-arid and arid areas, soil salinity has adverse effects both on the environment and agricultural production. The main causes of this salinization come from natural or anthropogenic processes, which is certainly an environmental problem that affects more than 20% of the world's land. This study was made in order to map the spatial distribution of soil salinity of the irrigated perimeter of El Ghrous in southeastern Algeria. These maps were performed based on data collected from 190 soil samples from 0 to 15 cm deep. We used ordinary kriging (OK) to analyze the spatial variability of soil salinity, while indicator kriging (IK) was used to analyze salinity versus threshold values. The salinity map predicted by the electrical conductivity (EC) values using the ordinary kriging (OK) method showed the different classes of salinity according to Durand's classification with moderately saline 3rd order dominance, while the unsalted soil (EC < 0.6 dS m(-1)) represents a very low percentage (1.5%). The indicator kriging (IK) was carried out by four thresholds which correspond to the salinity class limits: EC > 0.6, EC > 1, EC > 2, EC > 3, and EC > 4 dS m(-1), for developing probability maps to determine risk areas. This study has shown the spatial trend of soil salinity by geolocation of different classes, and to carry out risk maps using geostatistical techniques.
英文关键词	Electrical conductivity geostatistic soil maps arid zone
类型	Article
语种	英语
开放获取类型	DOAJ Gold
收录类别	ESCI
WOS记录号	WOS:000475502100004
WOS关键词	GEOSTATISTICAL METHODS ; SPATIAL PREDICTION ; PLAIN ; SALINIZATION ; VARIABILITY ; GROWTH ; WATER ; FIELD
WOS类目	Soil Science
WOS研究方向	Agriculture
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/333686
作者单位	[Abdennour, M. A.] Univ Mohamed Khider Biskra, Fac Nat Sci & Life, Agron Dept, Lab Ecosyst Divers & Agr Prod Syst Dynam Arid Zon, Biskra, Algeria; [Douaoui, A.] Univ Ctr Morsli Abdellah, Tipasa 42000, Algeria; [Douaoui, A.] Univ Djilali Bounaama Khemis Miliana, Lab Crop Prod & Sustainable Valorizat Nat Ressour, Ain Defla 44225, Algeria; [Bradai, A.] Univ Hassiba Benbouli, Dept Water Environm & Sustainable Dev, Fac Nat Sci & Life, Lab Water & Environm, Chlef, Algeria; [Bennacer, A.] Univ Mhamed Bougara Boumerdes, Fac Sci, Lab Valorizat & Conservat Biol Resources, Boumerdes, Algeria; [Fernandez M, Pulido] Univ Extremadura, Geoenvironm Res Grp, Ave Univ S-N, Caceres 10071, Spain
推荐引用方式 GB/T 7714	Abdennour, M. A.,Douaoui, A.,Bradai, A.,et al. Application of kriging techniques for assessing the salinity of irrigated soils: the case of El Ghrous perimeter, Biskra, Algeria[J],2019,9(2):105-124.
APA	Abdennour, M. A.,Douaoui, A.,Bradai, A.,Bennacer, A.,&Fernandez M, Pulido.(2019).Application of kriging techniques for assessing the salinity of irrigated soils: the case of El Ghrous perimeter, Biskra, Algeria.SPANISH JOURNAL OF SOIL SCIENCE,9(2),105-124.
MLA	Abdennour, M. A.,et al."Application of kriging techniques for assessing the salinity of irrigated soils: the case of El Ghrous perimeter, Biskra, Algeria".SPANISH JOURNAL OF SOIL SCIENCE 9.2(2019):105-124.