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| Web URL(s): | https://acsess.onlinelibrary.wiley.com/doi/10.2136/sssaj1997.03615995006100010003x
Last checked: 03/01/2024
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Notes: Abstract only
https://acsess.onlinelibrary.wiley.com/doi/epdf/10.2136/sssaj1997.03615995006100010003x
Last checked: 03/01/2024
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Access conditions: Item is within a limited-access website |
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| Publication Type:
| Refereed |
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| Author(s): | Di, H. J.;
Alymore, L. A. G. |
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| Author Affiliation: | Soil Science and Plant Nutrition, University of Western Australia, Nedlands, WA 6907 Australia |
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| Title: | Modeling the probabilities of groundwater contamimation by pesticides |
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| Section: | Division S-1-Soil Physics
Other records with the "Division S-1-Soil Physics" Section
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| Source: | Soil Science Society of America Journal. Vol. 61, No. 1, January/February 1997, p. 17-23. |
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| Publishing Information: | Madison, WI: Soil Science Society of America |
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| # of Pages: | 7 |
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| Keywords: | TIC Keywords: Groundwater; Contamination; Pesticides; Soils; Physical properties of soil
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| Abstract/Contents: | "Field soils show significant spatial variations in properties, such as organic matter content, bulk density, and moisture content, that can affect the mobility and persistence and thus fate of organic pesticides in the soil environment. A simple model incorporating the variations in soil and pesticide parameters has been developed to assess the groundwater contamination potential of pesticides. The model is based on linear, equilibrium, and reversible sorption, first-order degradation, and steady piston flow, and allows the unsaturated soil zone to be divided into a number of layers of different thickness and properties. For each input parameter, 500 random data were generated from normal distributions that characterize the variability of the parameters. The fate of 29 pesticides were assessed using soil and environmental conditions of the Swan Coastal Plains of Western Austrailia and pesticide properties reported in the literature. The predicted pesticide residue fractions remaining at 150-, 300-, and 500-cm depth with mean residue fractions ā„ 0.01%. The predicted mean travel times for pesticides that may reach 300 cm vary from about 2 mo to about 18 yr. Significant standard deviations are associated with these mean residue fractions and travel times. Six pesticides, fenamiphos, simazine, metribuzin, linuron, fenarimol, and metalaxyl, have been identified as having high cumulative probabilities of 0.82 to 1.00 for residue concentrations to be >0.01% at the 300-cm depth." |
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| Language: | English |
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| References: | 31 |
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| Note: | Figures
Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Di, H. J., and L. A. G. Alymore. 1997. Modeling the probabilities of groundwater contamimation by pesticides. Soil Sci. Soc. Am. J. 61(1):p. 17-23. |
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| Web URL(s):
https://acsess.onlinelibrary.wiley.com/doi/10.2136/sssaj1997.03615995006100010003x
Last checked: 03/01/2024
Access conditions: Item is within a limited-access website
Notes: Abstract only
https://acsess.onlinelibrary.wiley.com/doi/epdf/10.2136/sssaj1997.03615995006100010003x
Last checked: 03/01/2024
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: S 590 .S65 |
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