CGRG Bibliography of Canadian Geomorphology
Search Results
Author : Dickison, R.B.B.; and Bray, D.I.
Date : 1977
Title : Headwater flood events in central New Brunswick
Publication : Proceedings, Canadian Hydrology Symposium: 77, Edmonton, Alta., Aug. 29-31, 1977. National Research Council of Canada, Ottawa
Issue :
Page(s) :
Abstract
Small headwater basins are important generators of runoff within larger watersheds. In order to understand the significance of such headwater basins in central New Brunswick, the response of Hayden Brook basin (6.60 km2) and Narrows Mountain Brook basin (3.91 km2), two small watersheds in the Nashwaak Experimental Watershed Project, are presented in relation to other basins in the province. Information is provided to outline the general climatic and hydrologic regimes which occur in New Brunswick in order to provide the setting for the study. Considerable emphasis is placed on the relative influence of snowmelt alone to the generation of major flood peaks. The analysis shows that snowmelt alone can only cause a major flood peak in New Brunswick if the drainage area is greater than about 5000 km2. Flow duration analyses are presented for the two headwater basins and for several other basins in central and southern New Brunswick. Inferences are made concerning some aspects of the hydrologic regime of the headwater basins by utilizing the flow duration data. Finally, the hydrographs for the two headwater basins are evaluated in detail to show the hydrologic response of the watersheds due to the presence of ice in the channel, the failure of a beaver dam during a storm, the occurrence of channel precipitation, and the variability of storm rainfall over the two basins.
Bibliography of Canadian Geomorphology