Bromide and chloride tracer application to determine sufficiency of plot size and well depth placement to capture preferential flow and solute leaching

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Bromide and chloride tracer application to determine sufficiency of plot size and well depth placement to capture preferential flow and solute leaching

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作者：Nicholas J. Bero ; ^{njbero@wisc.edu" class="auth_mail" title="E-mail the corresponding author} ; Matthew D. Ruark ^{mdruark@wisc.edu" class="auth_mail" title="E-mail the corresponding author} ; Birl Lowery ^{blowery@wisc.edu" class="auth_mail" title="E-mail the corresponding author}
关键词：NO3-N ; Nitrate nitrogen ; MCL ; maximum contaminant level ; Br&minus ; bromide ; Cl&minus ; chloride ; KCl ; potassium chloride ; BTC ; breakthrough curve ; IC ; ion chromatograph
刊名：Geoderma
出版年：2016
出版时间：15 January 2016
年：2016
卷：262
期：Complete
页码：94-100
全文大小：870 K

文摘

•: 15 m × 15 m plot size sufficient to capture preferential flow.
•: Bromide breakthrough occurred directly below plots to which bromide was applied.
•: Well screens must intersect water table to capture agricultural chemicals.
•: Chloride was a poor tracer in this area due to high background concentrations.
•: Sampling should be done all year to account for the time to reach the water table.