00000nam 2200000zi 4500 9.874768 CaOODSP 20241203113650 m o d f cr bn||||||||| 190612e199002##onca ob f000 0 eng d CaOODSP eng rda CaOODSP eng fre n-cn--- En13-5/90-62E-PDF Mutch, James Percy, 1949- author. A review and potential applications of models that simulate the fate of pesticides in the unsaturated zone / by J.P. Mutch and A.S. Crowe. Burlington, Ontario : National Water Research Institute, Canada Centre for Inland Waters, February 1990. 1 online resource (22 pages, 10 unnumbered pages) : illustrations. text txt rdacontent computer c rdamedia online resource cr rdacarrier NWRI contribution ; no. 90-62 Digitized edition from print [produced by Environment and Climate Change Canada]. "RRB 90-18." Includes bibliographical references (pages 20-22). "The recognition that groundwater supplies are susceptible to contamination by pesticides has led to the development of a number of pesticide transport and transformation models capable of assessing the potential for the contamination of groundwater. The computer codes are categorized into two main groups, screening models or mathematical models, based on the approach taken in the assessment. Mathematical models are further sub-divided into educational, management and research models, according to the level of complexity incorporated in the models. A literature review identified 15 existing pesticide models. These models are briefly discussed, under their appropriate classification. Selection criteria and typical applications for the different model classifications are discussed and typical output from two of the models is presented"--Abstract. Includes management perspective and abstract in French. gccst Pesticides gccst Groundwater Crowe, Allan, 1952- author. Canada. Environment Canada. Canada Centre for Inland Waters. National Water Research Institute (Canada) NWRI contribution ; no. 90-62. (CaOODSP)9.844121 PDF 3.55 MB https://publications.gc.ca/collections/collection_2019/eccc/en13-5/En13-5-90-62-eng.pdf