Hint: it’s the largest earthquake that ever hit eastern North America. So why the interest? It’s quite simple. By collecting and dating samples of wood and organic material buried in the debris of ground movements, the researchers can determine whether there have been other major quakes and thus measure the threat of earthquakes in the area.
As a surveyor for the International Boundary Commission, Joe Harrietha “works the line” in locating and maintaining the vast Canada–United States border. The Canadian section of the Commission is part of Natural Resources Canada, and he’s worked in some of the most remote and scenic areas in Canada for more than 25 years. These photos are from some of his expeditions. Read his personal account of one of these missions here.
OTTAWA - Climate change affects the Arctic in different ways. Regional impacts include coastal erosion, evolving ocean currents and temperatures, shifting migration patterns over land and sea, and melting permafrost that heaves buildings and roads.
Travelling and working in remote regions of Canada’s North is no easy task. Ask Natural Resources Canada seismologist Andrew Schaeffer, who ventured to the Northwest Territories (NWT) this summer to better understand earthquakes and related natural hazards.
Recent visitors to the Rio Tinto Alcan Planetarium in Montreal have been amazed by twenty photographs resulting from Canadian scientific research. One brightly coloured image in particular is attracting attention — a microscopic image taken by Natural Resources Canada (NRCan) scientists showing a white walnut or butternut tree defending itself against an exotic pathogenic fungus.