Climatic Change in Canada: National Museum of Natural Sciences Project on Climatic Change in Canada During the Past 20,000 Years, Volume 3Charles Richard Harington National Museum of Natural Sciences, 1980 - Canada |
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Page 62
... effects , which only began to emerge in measurable amounts this century . It is impossible to accurately assess the effect of human pollution on climate from our data . Anthropogenic influences may be considered under three categories ...
... effects , which only began to emerge in measurable amounts this century . It is impossible to accurately assess the effect of human pollution on climate from our data . Anthropogenic influences may be considered under three categories ...
Page 64
... effect of direct heat input into the atmosphere have been made and are well summarized in Bach ( 1976 ) . The consensus of opinion However , it has been calculated that by the year is that presently they are insignificant . 2000 ...
... effect of direct heat input into the atmosphere have been made and are well summarized in Bach ( 1976 ) . The consensus of opinion However , it has been calculated that by the year is that presently they are insignificant . 2000 ...
Page 65
... effect ) is generally regarded as the most serious of the various anthropogenic effects on climate . Originally , it was thought that the warming at the first half of the century was directly attributable to increasing CO2 levels in the ...
... effect ) is generally regarded as the most serious of the various anthropogenic effects on climate . Originally , it was thought that the warming at the first half of the century was directly attributable to increasing CO2 levels in the ...
Contents
Introduction | 4 |
A Climatic Link Between the Past Present and Future | 50 |
A Technique for Studying Climatic Change in the Canadian High | 70 |
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Abies Acer Alnus Atmospheric Environment Service August average Betula Big River black spruce Canadian carbon chronologies Churchill River climatic change contours core Cyperaceae daily maximum decade Devon Island Devon Island Ice differences driftwood Driftwood Composite driftwood samples Eastmain ELEVATION IN METERS estimate Fagus Figure forest Fraxinus historical Holocene Hopedale Hudson Bay Hudson's Bay Company Ice Cap ice conditions increase instruments Island Ice Cap Isochrone isopolls July June Koerner Longley maps mass balance mean daily temperature melt Meteorological METERS 46 Mission ship modern record monthly mean noon normal northern observations Owl River driftwood Parker patterns Periodical Accounts Picea Pinus pollen populations precipitation predicted Quercus radiation region screen season southern Québec Speerschneider 1931 stations Strait of Belle summer surface Syllogeus synoptic thermometer tree-ring trees trend Tsuga Ulmus variability vegetation vortex warm weather West Ice Whale River World Meteorological Organization York Factory yr B.P.