The Atlantic Monthly, Volume 15, No. 91, May, 1865: A Magazine of Literature, Art, and PoliticsVarious
General
The Atlantic Monthly, Volume 15, No. 91, May, 1865: A Magazine of Literature, Art, and Politics
Various
American periodicals
It is the sea that dooms Labrador, and the relation of the coast to this
does much to determine its fertility, or rather its barrenness. Half way
across the ocean, in latitude 54 deg., Captain Linklater found the
temperature of the water 54 deg., Fahrenheit; near the Labrador coast, in
the same latitude, the temperature was but 34 deg., two degrees only above
the freezing point! It is in facts like this that one gets a key to the
climate not only of Labrador, but of Eastern North America. Out of the
eternal ice of the North the current presses down along the coast,
chilling land and air wherever it touches. Where the coast retreats
somewhat, and is well barricaded with islands, the rigor of the climate
is mitigated; where it lies fully exposed to the Arctic current, even
though much farther south, the life is utterly chilled out of it. Now
Hopedale lies behind a rampart of islands twenty miles deep; while the
portion of the Arctic current which splits off at the head of
Newfoundland, and pushes down through the strait, presses close past
Caribou Island. This explains the sterility of the latter.
The Arctic current varies much in different years, not only in the
amount of ice it brings, but also in its direction. Unexpected effects
depend upon this variation. It will be remembered that in 1863 several
ships were wrecked on Cape Race, owing to some "unaccountable"
disturbance of the currents. The Gulf Stream, it was found at length,
ran thirty miles farther north than usual. _Was_ this unaccountable?
When Captain Handy, our whaling Mentor, was penetrating Hudson's Strait
in June, 1863, he found vast headlands of floe ice resting against the
land, and pushing far out to sea.
"Mr. Bailey," said he to his mate, "there will be many wrecks on Cape
Race this year."
The prediction was fulfilled. Do you see why it should be?
The floe ice rose ten feet above the water; it therefore extended near
one hundred feet beneath. At this depth it acted upon the current
precisely as if it were land, pushing the former far to the east. The
current, therefore, did not meet and repel the Gulf Stream at the usual
point; and the latter was thus at liberty to press on beyond its custom
to the north. Captain Handy not only saw the facts before him, but
reasoned upon them. Even when these immense bodies of ice do not rest
upon the land, they produce the same effect. At the depth of a hundred
feet they go below the current into the still water or counter current
beneath, and thus still resist the surface flow.
Public-domain text, read in full here on John Shaqi.
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