By Mike Demuth
Becoming Water takes the reader on a journey of Canadas glaciers, describing the tales they inform and instructing the reader approximately how glaciers got here to be, how they paintings and what their destiny holds in our warming global. through traveling Canadas low and high Arctic, and the mountain West, the reader will find out how different and intricate our glaciers particularly are, how they're measured and the way they determine into the nationwide and worldwide tale of inevitable switch. The reader will learn how to imagine like a scientist, specifically easy methods to examine climate-related info that comprises cycles, traits and shifts, after which contemplate what inquiries to ask within the face of our dramatically altering surroundings. This ebook encourages Canadians to discover upstream from ourselves, studying approximately our origins and the way weather swap and encroaching human cost are enormously impacting our glaciers and consequently the common and human landscapes that lie below--and are based upon--them.
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Extra info for Becoming Water: Glaciers in a Warming World
43 The WGE altered the geography of North America north of the Ohio River in a big way. At its maximum stage, it also reached down to the US Upper Midwest and New England. In Ontario’s Killarney region and other parts of Georgian Bay and Lake Huron, you can easily observe the grooves etched in the bedrock left by these glaciers. In southwestern Saskatchewan and southeastern Alberta, the coming together of the ice sheets of Cordillera and Laurentia formed the Cypress Hills, located at the northernmost point in the continent that remained south of these ice sheets.
Meltwater subglacial supra-, en- and percolation and glacier, showing mountain of a temperate cross-section Longitudinal FIGURE 4: ice-bedrock interface impermeable or permeable base ice transient snowline water- saturated zone snowmelt percolation firnline moulin englacial and basal moraine subglacial subglacial pipes conduits subglacial cavities snow firn Accumulation area bergschrund groundwater flow portal proglacial meltstream basal arterial tunnel percolation crevasses supraglacial ice meltwater channels englacial conduits liquid precipitation Ablation area Deh Cho: Big River, Flowing Much A river is life and light, especially in timbered country; it is always the easiest natural way of travel and it is used as such by many creatures besides man.
Even a streamlet can become impressive in floodtime and the greatest river has a light, almost intimate quality of gentleness at its lowest Summer level. — Roderick Haig-Brown, Measure of the Year (1950) When under the influence of glaciers, the continuous flow of a river is preserved even during dry weather when, without glacial input, it may become gentle. On the other end of the spectrum, extreme heat and rainstorms can amplify already turbulent rivers that make their way from glaciers in the summer months.