00000nam 2200000zi 4500 9.874680 CaOODSP 20241203113650 m o d f cr |n||||||||| 190611s1990 onca #ot f000 0 eng d CaOODSP eng rda CaOODSP eng fre n-cn-on En13-5/90-47E-PDF Guigné, J. Y., author. An acoustic parametric array for measuring the thickness and stratigraphy of contaminated sediments / J.Y. Guigné [and three others]. Burlington, Ontario : National Water Research Institute, [1990] 1 online resource (21, 9 pages) : figures. text txt rdacontent computer c rdamedia online resource cr rdacarrier NWRI contribution ; no. 90-47 Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references. "Acoustic mapping and monitoring of thin contaminated sediments ininland waters requires an optimised acoustic source. An experiment conducted in Hamilton Harbour, Lake Ontario demonstrated that high resolution of sediment layering is possible when a parametric acoustic source is used"--Abstract. Includes abstract in French. gccst Sediments gccst Lakes gccst Water management Canada. Environment Canada. NWRI contribution ; no. 90-47. (CaOODSP)9.844121 PDF 2.33 MB https://publications.gc.ca/collections/collection_2019/eccc/en13-5/En13-5-90-47-eng.pdf