00000nam 2200000zi 4500 9.875074 CaOODSP 20241203113650 m o d f cr |n||||||||| 190618t19931993oncadb |ob f00| 0 eng d 0660588951 CaOODSP eng rda CaOODSP n-cn--- En40-447/1993E-PDF En40-447/1993 Hélie, Robert G. (Robert Gilles), 1954- author. Quantitative assessment of surface water at risk due to acidification in eastern Canada / R.G. Hélie, G.M. Wickware, and M. Sioh. Ottawa, Canada : Environment Canada, Economics and Conservation Branch, Ecosystem Sciences and Evaluation Directorate, 1993. ©1993 1 online resource (vi, 95 pages, 6 unnumbered pages ) : illustrations, charts, maps text txt rdacontent computer c rdamedia online resource cr rdacarrier Digitized edition from print [produced by Environment and Climate Change Canada]. Issued also in French under title: Évaluation quantitative des eaux de surface menacées par l'acidification dans l'est du Canada. Includes bibliographical references. "The purpose of the pilot study was to develop an automated technique for obtaining counts and measures data for water and wetlands through digital image analysis procedures using full-scene Landsat Thematic Mapper (TM) digital data"--Introduction, page 1. Issued also in print format. gccst Acid rain gccst Water gccst Assessment Wickware, Gregory McIntosh, author. Sioh, M., author. Canada. Environment Canada. Canada. Ecosystem Sciences and Evaluation Directorate. Évaluation quantitative des eaux de surface menacées par l'acidification dans l'est du Canada / (CaOODSP)9.875254 Quantitive assessment of surface water at risk due to acidification in eastern Canada / (CaOODSP)9.653497 PDF 29.43 MB https://publications.gc.ca/collections/collection_2019/eccc/En40-447-1993-eng.pdf