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Effects of prolonged irrigation with treated municipal effluent on runoff rate
Year:
2003
Source of publication :
Journal of Environmental Quality
Authors :
Goldstein, Dina
;
.
Keren, Rami
;
.
Volume :
32
Co-Authors:
Agassi, M.
Tarchitzky, J.
Keren, R., Inst. of Soil, Water/Environ. Sci., Volcani Center, Agriculture Research Organization, Bet Dagan, Israel
Chen, Y., Dep. of Soil and Water Sciences, Hebrew Univ. of Jerusalem, Fac. of Agricultur., Food/E. Q. S., Jerusalem, Israel, Israel
Goldstein, D., Inst. of Soil, Water/Environ. Sci., Volcani Center, Agriculture Research Organization, Bet Dagan, Israel
Fizik, E.
Facilitators :
From page:
1053
To page:
1057
(
Total pages:
5
)
Abstract:
The use of domestic effluents for the irrigation of crops has been widespread in Israel for the past 30 years. The sodium adsorption ratio (SAR) of the standardized domestic effluents ranges between 4 and 6. According to the literature, when soils with SAR levels of 4 to 6 are exposed to direct raindrop impact they are subjected to enhanced aggregate disintegration, leading to sealing processes of the soil surface and subsequent increased runoff and soil erosion. However, these phenomena were not observed in the laboratory and field experiments of this study. On the other hand, a rapid decrease of the soil SAR to its initial values was observed, in laboratory and fieldwork, once the soil was subjected to a simulated rainstorm of distilled water (laboratory) or natural rainstorms (field plots). We can conclude that the process of SAR increase during irrigation with standardized effluent water is reversible. Further investigation in this direction can lead to recommendations regarding the necessary levels of domestic sewage water purification in correlation with soil types, climatic conditions, and hazards to tap water aquifers.
Note:
Related Files :
Adsorption
aquifers
climate change
irrigation
Israel
rain
runoff
soil
Show More
Related Content
More details
DOI :
Article number:
0
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
31248
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 01:01
Scientific Publication
Effects of prolonged irrigation with treated municipal effluent on runoff rate
32
Agassi, M.
Tarchitzky, J.
Keren, R., Inst. of Soil, Water/Environ. Sci., Volcani Center, Agriculture Research Organization, Bet Dagan, Israel
Chen, Y., Dep. of Soil and Water Sciences, Hebrew Univ. of Jerusalem, Fac. of Agricultur., Food/E. Q. S., Jerusalem, Israel, Israel
Goldstein, D., Inst. of Soil, Water/Environ. Sci., Volcani Center, Agriculture Research Organization, Bet Dagan, Israel
Fizik, E.
Effects of prolonged irrigation with treated municipal effluent on runoff rate
The use of domestic effluents for the irrigation of crops has been widespread in Israel for the past 30 years. The sodium adsorption ratio (SAR) of the standardized domestic effluents ranges between 4 and 6. According to the literature, when soils with SAR levels of 4 to 6 are exposed to direct raindrop impact they are subjected to enhanced aggregate disintegration, leading to sealing processes of the soil surface and subsequent increased runoff and soil erosion. However, these phenomena were not observed in the laboratory and field experiments of this study. On the other hand, a rapid decrease of the soil SAR to its initial values was observed, in laboratory and fieldwork, once the soil was subjected to a simulated rainstorm of distilled water (laboratory) or natural rainstorms (field plots). We can conclude that the process of SAR increase during irrigation with standardized effluent water is reversible. Further investigation in this direction can lead to recommendations regarding the necessary levels of domestic sewage water purification in correlation with soil types, climatic conditions, and hazards to tap water aquifers.
Scientific Publication
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