Soil water repellency induced by long-term irrigation with treated sewage effluent
Identifieur interne : 002817 ( Main/Exploration ); précédent : 002816; suivant : 002818Soil water repellency induced by long-term irrigation with treated sewage effluent
Auteurs : R. Wallach [Israël] ; O. Ben-Arie [Israël] ; E. R. Graber [Israël]Source :
- Journal of environmental quality [ 0047-2425 ] ; 2005.
Descripteurs français
- Pascal (Inist)
- Eau interstitielle, Humidité sol, Hydrophobicité, Long terme, Irrigation, Eau usée, Effluent, Zone semi aride, Surface sol, Couche superficielle, Distribution concentration, Profil profondeur, Pollution sol, Profil pédologique, Haute résolution, Saison humide, Hiver, Activité répulsive, Répulsif, Matière organique, Citrus sinensis, Verger, Eau distribution, Variation spatiale, Variabilité spatiale, Variation temporelle, Variation saisonnière, Sol, Persistance, Ecoulement eau, Devenir polluant, Phénomène transport.
- Wicri :
- topic : Irrigation, Eau usée, Verger.
English descriptors
- KwdEn :
- Citrus sinensis, Concentration distribution, Depth profile, Effluent, Ground surface, High resolution, Hydrophobicity, Interstitial water, Irrigation, Long term, Orchard, Organic matter, Persistence, Pollutant behavior, Rainy season, Repellent, Repulsive activity, Seasonal variation, Semi arid zone, Soil moisture, Soil pollution, Soil profile, Soils, Spatial variability, Spatial variation, Surface layer, Tap water, Time variation, Transport process, Waste water, Water flow, Winter.
Abstract
This study describes soil water repellency developed under prolonged irrigation with treated sewage effluent in a semiarid environment. Soil surface layer (0-5 cm) and soil profile (0-50 cm) transects were sampled at a high resolution at the close of the irrigation season and rainy winter season. Samples from 0- to 5-cm transects were subdivided into 1-cm slices to obtain fine scale resolution of repellency and organic matter distribution. Extreme to severe soil water repellency in the 0- to 5-cm soil surface layer persisted throughout the 2-yr study period in the effluent-irrigated Shamouti orange [Citrus sinensis (L.) Osbeck cv. Shamouti] orchard plot. Nearby Shamouti orange plots irrigated with tap water were either nonrepellent or only somewhat repellent. Repellency was very variable spatially and with depth, appearing in vertically oriented "repellency tongues." Temporal and spatial variability in repellency in the uppermost 5-cm soil surface layer was not related to seasonality, soil moisture content, or soil organic matter content. Nonuniform distribution of soil moisture and fingered flow were observed in the soil profile after both seasons, demonstrating that the repellent layer had a persistent effect on water flow in the soil profile. A lack of correlation between bulk density and volumetric water content in the soil profile demonstrates that the observed nonuniform spatial distribution of moisture results from preferential flow and not heterogeneity in soil properties. Soil water repellency can adversely affect agricultural production, cause contamination of underlying ground water resources, and result in excessive runoff and soil erosion.
Affiliations:
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Ben-Arie</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Soil and Water Sciences, Faculty of Agricultural, Food, and Environmental Quality Sciences, Hebrew University of Jerusalem</s1><s2>Rehovot 76100</s2><s3>ISR</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Israël</country><wicri:noRegion>Rehovot 76100</wicri:noRegion></affiliation></author><author><name sortKey="Graber, E R" sort="Graber, E R" uniqKey="Graber E" first="E. R." last="Graber">E. R. Graber</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Institute of Soil, Water and Environmental Sciences, The Volcani Center, Agricultural Research Organization (ARO)</s1><s2>Bet Dagan 50250</s2><s3>ISR</s3><sZ>3 aut.</sZ></inist:fA14><country>Israël</country><wicri:noRegion>Bet Dagan 50250</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">05-0438514</idno><date when="2005">2005</date><idno type="stanalyst">PASCAL 05-0438514 INIST</idno><idno type="RBID">Pascal:05-0438514</idno><idno type="wicri:Area/PascalFrancis/Corpus">000605</idno><idno type="wicri:Area/PascalFrancis/Curation">000399</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">000581</idno><idno type="wicri:doubleKey">0047-2425:2005:Wallach R:soil:water:repellency</idno><idno type="wicri:Area/Main/Merge">002937</idno><idno type="wicri:Area/Main/Curation">002817</idno><idno type="wicri:Area/Main/Exploration">002817</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Soil water repellency induced by long-term irrigation with treated sewage effluent</title><author><name sortKey="Wallach, R" sort="Wallach, R" uniqKey="Wallach R" first="R." last="Wallach">R. Wallach</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Soil and Water Sciences, Faculty of Agricultural, Food, and Environmental Quality Sciences, Hebrew University of Jerusalem</s1><s2>Rehovot 76100</s2><s3>ISR</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Israël</country><wicri:noRegion>Rehovot 76100</wicri:noRegion></affiliation></author><author><name sortKey="Ben Arie, O" sort="Ben Arie, O" uniqKey="Ben Arie O" first="O." last="Ben-Arie">O. Ben-Arie</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Soil and Water Sciences, Faculty of Agricultural, Food, and Environmental Quality Sciences, Hebrew University of Jerusalem</s1><s2>Rehovot 76100</s2><s3>ISR</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Israël</country><wicri:noRegion>Rehovot 76100</wicri:noRegion></affiliation></author><author><name sortKey="Graber, E R" sort="Graber, E R" uniqKey="Graber E" first="E. R." last="Graber">E. R. Graber</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Institute of Soil, Water and Environmental Sciences, The Volcani Center, Agricultural Research Organization (ARO)</s1><s2>Bet Dagan 50250</s2><s3>ISR</s3><sZ>3 aut.</sZ></inist:fA14><country>Israël</country><wicri:noRegion>Bet Dagan 50250</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">Journal of environmental quality</title><title level="j" type="abbreviated">J. environ. qual.</title><idno type="ISSN">0047-2425</idno><imprint><date when="2005">2005</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Journal of environmental quality</title><title level="j" type="abbreviated">J. environ. qual.</title><idno type="ISSN">0047-2425</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Citrus sinensis</term><term>Concentration distribution</term><term>Depth profile</term><term>Effluent</term><term>Ground surface</term><term>High resolution</term><term>Hydrophobicity</term><term>Interstitial water</term><term>Irrigation</term><term>Long term</term><term>Orchard</term><term>Organic matter</term><term>Persistence</term><term>Pollutant behavior</term><term>Rainy season</term><term>Repellent</term><term>Repulsive activity</term><term>Seasonal variation</term><term>Semi arid zone</term><term>Soil moisture</term><term>Soil pollution</term><term>Soil profile</term><term>Soils</term><term>Spatial variability</term><term>Spatial variation</term><term>Surface layer</term><term>Tap water</term><term>Time variation</term><term>Transport process</term><term>Waste water</term><term>Water flow</term><term>Winter</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Eau interstitielle</term><term>Humidité sol</term><term>Hydrophobicité</term><term>Long terme</term><term>Irrigation</term><term>Eau usée</term><term>Effluent</term><term>Zone semi aride</term><term>Surface sol</term><term>Couche superficielle</term><term>Distribution concentration</term><term>Profil profondeur</term><term>Pollution sol</term><term>Profil pédologique</term><term>Haute résolution</term><term>Saison humide</term><term>Hiver</term><term>Activité répulsive</term><term>Répulsif</term><term>Matière organique</term><term>Citrus sinensis</term><term>Verger</term><term>Eau distribution</term><term>Variation spatiale</term><term>Variabilité spatiale</term><term>Variation temporelle</term><term>Variation saisonnière</term><term>Sol</term><term>Persistance</term><term>Ecoulement eau</term><term>Devenir polluant</term><term>Phénomène transport</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Irrigation</term><term>Eau usée</term><term>Verger</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">This study describes soil water repellency developed under prolonged irrigation with treated sewage effluent in a semiarid environment. Soil surface layer (0-5 cm) and soil profile (0-50 cm) transects were sampled at a high resolution at the close of the irrigation season and rainy winter season. Samples from 0- to 5-cm transects were subdivided into 1-cm slices to obtain fine scale resolution of repellency and organic matter distribution. Extreme to severe soil water repellency in the 0- to 5-cm soil surface layer persisted throughout the 2-yr study period in the effluent-irrigated Shamouti orange [Citrus sinensis (L.) Osbeck cv. Shamouti] orchard plot. Nearby Shamouti orange plots irrigated with tap water were either nonrepellent or only somewhat repellent. Repellency was very variable spatially and with depth, appearing in vertically oriented "repellency tongues." Temporal and spatial variability in repellency in the uppermost 5-cm soil surface layer was not related to seasonality, soil moisture content, or soil organic matter content. Nonuniform distribution of soil moisture and fingered flow were observed in the soil profile after both seasons, demonstrating that the repellent layer had a persistent effect on water flow in the soil profile. A lack of correlation between bulk density and volumetric water content in the soil profile demonstrates that the observed nonuniform spatial distribution of moisture results from preferential flow and not heterogeneity in soil properties. Soil water repellency can adversely affect agricultural production, cause contamination of underlying ground water resources, and result in excessive runoff and soil erosion.</div></front></TEI><affiliations><list><country><li>Israël</li></country></list><tree><country name="Israël"><noRegion><name sortKey="Wallach, R" sort="Wallach, R" uniqKey="Wallach R" first="R." last="Wallach">R. Wallach</name></noRegion><name sortKey="Ben Arie, O" sort="Ben Arie, O" uniqKey="Ben Arie O" first="O." last="Ben-Arie">O. Ben-Arie</name><name sortKey="Graber, E R" sort="Graber, E R" uniqKey="Graber E" first="E. R." last="Graber">E. R. Graber</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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