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The Conquest of Canada, Vol. 1. George Warburton
Читать онлайн.Название The Conquest of Canada, Vol. 1
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Автор произведения George Warburton
Жанр История
Издательство Public Domain
There is a considerable variety of climate in Canada, from the northeast, chilled by the winds of the Atlantic,147 to the southwest, five degrees lower, and approaching the center of the continent; the neighborhood of ranges of bare and rugged mountains,148 has also a marked effect upon the temperature of different localities. However, in all parts the winters are very severe, while the heat of summer is little inferior to that of the tropics. But, on the whole, the clear blue sky, unobscured by fog or mist, and the pure elastic air, bespeak the salubrity of these provinces in all seasons.
In Lower Canada the extreme severity of the winter is, in a measure, caused by the vicinity of the range of lofty and rugged mountains, as well as by its more northern position. The fall of snow commences in November, but seldom remains long on the ground till December; in that month constantly successive falls of snow rapidly cover the whole surface of the country. Toward the end of December the heavy clouds disperse, and the rude storm is followed by a perfect calm; the air becomes pure and frosty, and the skies of a clear and beautiful azure. The River St. Lawrence149 is frozen over every winter from Montreal to the Richelieu Rapids, but from thence to Quebec only once in about five years; at other times, however, enormous fields and masses of ice drift up and down with the changing tides, increasing or diminishing with the severity or mildness of the weather; where the Island of Orleans divides the Great River into two branches, the northern channel is narrow and less acted upon by tides; here these huge frozen masses are forced together by the winds and waters, and form an enormous bridge from shore to shore. The greatest degree of cold prevails toward the end of January, for a few days occasionally so intense that the human frame can scarcely endure exposure to it for any length of time. When winter has set in nearly every bird disappears, and few wild animals are any longer to be seen; some, like the bear, remain torpid, others change their color to a snowy white, and are rarely observed. Rocks of the softer kinds are often rent asunder, as if with the explosion of gunpowder, by the irresistible expansive power of the frost.150 Dogs become mad from the severity of the cold, and polished iron or other metal, when exposed in the air for a little time, burns the hand at the touch as if it were red hot.151 During the still nights of intense frost the woods send forth a creaking sound, like the noise of chopping with thousands of hatchets. Sometimes a brief thaw occurs in the middle of winter, when a very extraordinary effect, called by the Canadians ver glas, is occasionally produced upon the bare trees: they are covered with an incrustation of pure ice from the stem to the extremities of the smallest branches; the slight frost of the night freezes the moisture that covered the bark during the day; the branches become at last unable to bear their icy burden, and when a strong wind arises, the destruction among trees of all kinds is immense. When the sun shines upon the forest covered with this brilliant incrustation, the effect is indescribably beautiful.
The months of March and April are usually very hot, and the power of the sun's rays is heightened by the reflection of the ice and snows. Toward the end of April or the beginning of May, the dreary winter covering has altogether disappeared; birds of various kinds return from their wintery exile; the ice accumulated in the great lakes and streams that are tributary to the St. Lawrence breaks up with a tremendous noise, and rushes down in vast quantities toward the ocean, till again the tides of the Gulf drive them back. Sometimes the Great River is blocked up from shore to shore with these frozen masses; the contending currents force them together with terrible violence, and pile them over each other in various fantastic forms. The navigation of the river is not fairly practicable till all these have disappeared, which is generally about the 10th of May.
When the young summer fairly sets in, nothing can be more charming than the climate—during the day bright and genial, with the air still pure and clear; the transition from bare brown fields and woods to verdure and rich green foliage is so rapid, that its progress is almost perceptible. Spring has scarcely begun before summer usurps its place, and the earth, awakened from nature's long, wintery sleep, gives forth her increase with astonishing bounty. This delightful season is usually ushered in by moderate rains, and a considerable rise in the meridian heat; but the nights are still cool and refreshing. In June, July, and August, the heat becomes great, and for some days intense; the roads and rocks at noon are so hot as to be painful to the touch, and the direct rays of the sun possess almost tropical power; but the night brings reinvigorating coolness, and the breezes of the morning are fresh and tempered as in our own favored land. September is usually a delightful month, although at times oppressively sultry. The autumn or fall rivals the spring in healthy and moderate warmth, and is the most agreeable of the seasons. The night-frosts destroy the innumerable venomous flies that have infested the air through the hot season, and, by their action on the various foliage of the forest, bestow an inconceivable richness of coloring to the landscape.
During the summer there is a great quantity of electric fluid in the atmosphere, but storms of thunder and lightning are not of very frequent occurrence. When they do take place, their violence is sometimes tremendous, and serious damage often occurs. These outbursts, however, usually produce a favorable effect upon the weather and temperature.
The most remarkable meteoric phenomenon that has occurred in Canada since the country became inhabited by civilized man, was first seen in October, 1785, and again in July, 1814. At noonday a pitchy darkness, of a dismal and sinister character, completely obscured the light of the sun, continuing for about ten minutes at a time, and being frequently repeated during the afternoon. In the interval between each mysterious eclipse dense masses of black clouds, streaked with yellow, drove athwart the darkened sky, with fitful gusts of wind; thunder, lightning, black rain, and showers of ashes added to the terrors of the scene; and, when the sun appeared, its color was a bright red. The Indians ascribe this wonderful phenomenon to a vast volcano in the unknown regions of Labrador. The testimony of M. Gagnon gives corroboration to this idea. In December, 1791, when at St. Paul's Bay, in the Saguenay country, he saw the flames of an immense volcano, mingled with black smoke, rising to a great height in the air. Several violent shocks, as of an earthquake, accompanied this strange appearance.
The prevailing winds of Lower Canada are the northeast, northwest, and southwest, and these exercise considerable influence on the temperature of the atmosphere and the state of the weather. The southwest wind, the most prevalent, is generally moderate, accompanied by clear, bright skies; the northeast and east wind bring rain in summer, and snow in winter, from the dreary regions of Labrador; and the northwest blast is keen and dry, from its passage over the vast frozen solitudes that lie between the Rocky Mountains152 and Hudson's Bay. Winds from the north, south, or west are seldom felt: the currents of the neighboring air are often affected by the direction of the tidal streams, which act as far as 400 miles from the mouth of the Great River.
The effect of a long continuance of snow upon the earth is favorable to vegetation; were the surface exposed to the intense severity of wintery frosts, unprotected by this ample covering, the ground could not regain a proper degree of heat, even under a Canadian sun, before the autumn frosts had again chilled the energies of nature. The natural heat of the earth is about 42°; the surface waters freeze at 32°, and thus present a non-conducting incrustation to the keen atmosphere; then the snow becomes a warm garment till the April sun softens the air above; the latent heat of the earth begins to be developed; the snow melts, and penetrates the ground through every pore, rendering friable the stiffest soil. For a month or more before the visible termination of the Canadian winter, vegetation is in active progress on the surface of the earth, even under snow several feet thick.
In
Acosta is the first philosopher who endeavored to account for the different degrees of heat in the Old and New Continents by the agency of the winds which blow in each, (
"The northwest wind is uncommonly dry, and brings with it fresh animation and vigor to every living thing. Although this wind is so very piercing in winter, yet the people never complain so much of cold as when the northeast wind blows. The northeast wind is also cold, but it renders the air raw and damp. That from the southeast is damp, but warm. Rain or snow usually falls when the wind comes from any point toward the east. The northwest wind, from coming over such an immense tract of land, must necessarily be dry; and, coming from regions eternally covered with mounds of snow and ice, it must also be cold. The northeast wind, from traversing the frozen seas, must be cold likewise; but, from passing over such a large portion of the watery main afterward, it brings damp and moisture with it. All those from the northeast are damp, and loaded with vapors from the same cause. Southerly winds, from crossing the warm regions between the tropics, are attended with heats; and the southwest wind, from passing, like the northwest, over a great extent of land, is dry at the same time."—Weld's
Kalm says, p. 748, that he was assured that "the northeast wind, when it is very violent in winter, pierces through walls of a moderate thickness, so that the whole wall on the inside of the house is covered with snow, or a thick hoar frost. The wind damages severely the houses that are built of stone, so that the owners are frequently obliged to repair them on the northeast side. In summer the north wind is generally attended with rain."—Kalm in Pinkerton, vol. xiii., p. 651.
"Many of these mountains are very high. During my stay in Canada, I asked many people who have traveled much in North America whether they ever met with mountains so high that the snow never melts on them in summer, to which they always answered in the negative. They say that the snow sometimes stays on the highest, viz., on some of those between Canada and the English colonies during a part of the summer, but that it melts as soon as the great heat begins."—Kalm, p. 671.
"It is worthy of remark, and not a little surprising, that so large a river as the St. Lawrence, in latitude 47°, should be shut up with ice as soon, and continue as long shut up, as the comparatively small river, the Neva, in latitude 60°."—Gray's
"The following curious experiments were made some years ago at Quebec, by Major Williams, of the Artillery. Iron shells of different sizes, from the thirteen-inch shell to the cohorn of four inches diameter, were nearly filled with water, and an iron plug was driven in at the fuse-hole by a sledge-hammer. It was found, however, that the plug could never be driven so firmly into the fuse-hole as to resist the expanding ice, which pushed it out with great force and velocity, and a bolt or cylinder of ice immediately shot up from the hole; but when a plug was used that had springs which would expand and lay hold of the inside of the cavity, so that it could not possibly be pushed out, the force of expansion split the shell. The amazing force of expansion is also shown from the distance to which these iron plugs are thrown out of the fuse-hole. A plug of two pounds and a half weight was thrown no less than 415 feet from the shell; the fuse axis was at an angle of 45°; the thermometer showed 51° below the freezing point. Here you see ice and gunpowder performing the same operations. That similar effects should proceed from such dissimilar causes is very extraordinary."—Gray's
See Appendix, No. XXII. (vol. II.)
"These mountains were known to the French missionaries by the name of Montagnes des Pierres Brillantes."—Chateaubriand.