00000nam 2200000za 4500 9.608877 CaOODSP 20200331191955 ta 150406|1993||||xxc||||| f|0| 0 eng d 0-662-20820-X 0843-9052 CaOODSP eng n-cn--- En36-513/5E Canada. Environment Canada. Ecosystem Sciences and Evaluation Directorate. Environmental aspects of river ice / Edited by T. D. Prowse and N. C. Gridley, Task Force on Environmental Aspects of River Ice. Issued by the National Hydrology Research Institute. Saskatoon - Saskatchewan : Environment Canada. 1993. 155p. : figs., graphs ; 22 cm. NHRI science report 0843-9052 No. 5 Contents: Introduction.--Physical effects of river ice.--Effects of river ice on chemical processes.--Biological effects of river ice.--Summary.--Bibliography. Bibliography. Softcover Ice gcpds Rivers gcpds Prowse, T. D. Gridley, N. C. Environmental aspects of river ice / (CaOODSP)9.880672 NHRI science report, 0843-9052 No. 5 (CaOODSP)9.514561