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首页> 外文会议>220th American Chemical Society, Meeting 2000 Washington, D.C. >In Situ Measurements of Soil Hydrology in a Field Dissipation Study: Implications for Understanding Pesticide Residue Movement
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In Situ Measurements of Soil Hydrology in a Field Dissipation Study: Implications for Understanding Pesticide Residue Movement

机译：田间耗散研究中土壤水文学的原位测量：了解农药残留运动的意义

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摘要

Data of pesticide soil residue from terrestrial field dissipation studies reflect dissipation of all routes available under field conditions. Separate evaluation of key dissipation routes is often difficult but essential to a better understanding and assessment of the integrated environmental fate processes. This paper presents some preliminary results of a field dissipation experiment designed not only to evaluate the dissipation of a test compound, but also to understand the in-situ field hydrology via intensively monitored soil water by Time Domain Reflectrometry (TDR), and the use of KBr as a conservative tracer. With the measured soil moisture data, daily water balance including groundwater recharge and potential runoff is evaluated. An integrated assessment of the environmental fate and transport processes based on field residue data is also provided.
机译：来自地面田间耗散研究的农药土壤残留数据反映了田间条件下所有可用路线的耗散。关键耗散途径的单独评估通常很困难，但对于更好地理解和评估综合环境命运过程至关重要。本文介绍了现场耗散实验的一些初步结果，该实验不仅旨在评估测试化合物的耗散，而且还可以通过时域反射仪（TDR）深入监测土壤水来了解现场现场水文学，以及使用KBr作为保守的示踪剂。利用测得的土壤湿度数据，可以评估包括地下水补给和潜在径流在内的每日水分平衡。还根据野外残留数据对环境命运和运输过程进行了综合评估。

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