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Correlation Analysis on the Runoff Pollutants from a Small Plot Unit in an Agricultural Area
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  • Journal title : Environmental Engineering Research
  • Volume 15, Issue 4,  2010, pp.191-195
  • Publisher : Korean Society of Environmental Engineering
  • DOI : 10.4491/eer.2010.15.4.191
 Title & Authors
Correlation Analysis on the Runoff Pollutants from a Small Plot Unit in an Agricultural Area
Kang, Meea; Choi, Byoung-Woo; Lee, Jae-Kwan;
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 Abstract
This study was carried out to investigate the important factors relating to runoff and pollutant loads in a plot unit located in an agricultural area. Of the precipitation parameters, such as total precipitation, days since last rainfall (ADD, the rainfall was more than 10mm) and average rainfall intensity on runoff, the strongest effect was obtained due to total precipitation, but the rainfall intensity showed a slightly positive correlation. It was expected that both variables, i.e. total precipitation and rainfall intensity, would lead to the generation of greater runoff. In contrast, runoff was negatively correlated with ADD, which is understandable because more infiltration and less runoff would be expected after a long dry period. The TSS load varied greatly, between 75.6 and , per event. With the exception of TN, the TSS, BOD, COD and TP loads were affected by runoff. The correlations of these items were proportional to the runoff volume, with correlation coefficients (r) greater than 0.70, which are suitable for use as NPS model data. The TSS load showed very good relationships with organics (BOD & COD) and nutrients (TN & TP), with correlation coefficients greater than 0.79. Therefore, the removal of TSS is a promising factor for protecting water basins.
 Keywords
Non-point source;Pollutant load;Runoff;Precipitation;
 Language
English
 Cited by
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Monitoring of Non-point Source Pollutants Generated by a Flower Farm,;;

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Monitoring of Non-point Source Pollutants Generated by a Flower Farm, The Journal of Engineering Geology, 2014, 24, 4, 463  crossref(new windwow)
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