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Title:   Author  item
                                            Bialek Kalinski, Krystynaitem
                                            Rice, Clifforditem
                                            McCarty, Gregory
  Submitted to: American Chemical Society Abstracts
                                    Publication Type: Abstract Only
                                    Publication Acceptance Date: 6/23/2012
                                    Publication  Date: 8/10/2012
                                    Citation: Bialek Kalinski, K.M., Rice, C., Mccarty, G.W. 2012. Herbicide washoff from forest canopy through fall depends on rainfall dynamics. American Chemical Society Abstracts. 75:110.Interpretive Summary: .
                                Technical Abstract: Fate of herbicides, atrazine and metolachlor, released to the atmosphere and deposited in rain was studied following their field application in a small agricultural watershed located in Maryland.  We monitored delivery of herbicides in the rain in both open and closed canopy areas of a forested riparian buffer at different distances from the field.  We observed a direct linear relationship between precipitation amounts and decreases in the volume of rain collected under a tree canopy, as compared to the volume of rain collected in the tree-free areas.  For the lowest range precipitation, the rain volume collected under the tree canopy was around 60% of the rain collected in the open area.  However, for precipitations above 30mm, it was around 90%.  We utilized established relationship to calculate atmospheric deposition of herbicides to the riparian buffer during the rain based on monitored precipitation and herbicides analyses of the rain.


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