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Temperatures and Densities of the Waters of Eastern Canada

  • Fester Einband
  • 108 Seiten
Excerpt from Temperatures and Densities of the Waters of Eastern Canada: Including the Atlantic From the Bay of Fundy to Newfound... Weiterlesen
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Excerpt from Temperatures and Densities of the Waters of Eastern Canada: Including the Atlantic From the Bay of Fundy to Newfoundland; The Gulf of St. Lawrence, and the Straits Connecting It With the Ocean

General Summary - These Observations of the density and temperature were taken with the primary Object of tracing the movement Of the water, as this method had proved so serviceable in the Gulf of St. Lawrence. The density of the water was taken at the surface only. The variation did not prove sufficient, however, to be relied upon as an indication Of direction of movement. The temperature was taken to a depth of thirty fathoms; and more was expected from the temperature than from the density, as it was hoped it would serve to trace the course of the Labrador current. The depth of thirty fathoms was found sufficient, as the water was there at the freezing point throughout the region examined, both south and east Of Newfoundland, during the whole season from May to September. All the change which took place during the progress of the season or from other causes, was between the surface and thirty fathoms. The change Of the temperature Of the water also afforded an inter esting valuation for the amount of wind disturbance, and the depth to which it extended, under given conditions.

The general results, although, they are Of little value for the purpose of tracing the movement of the water by its temperature may be summarized as follows The temperature of the water at 30 fathoms is practically at the freezing point in all parts Of this region, from the mouth of Placentia bay to St. Johns. It varied only from to 34° Fahr., and there was no change from one month to another, from May to September. (2) The water of the Labrador current warms up quite as much on the surface as the surface water elsewhere in this region. The general increase of the surface temperature along the south shore, from St. Pierre to Trepassey, Was from in May to 50° in September; and the surface temperature of the Labrador current rose from an average of at the end of May to at the middle Of August. Whether this increase Of the surface temperature takes place during the progress of the current southward, or whether this warmer surface water ows over it from elsewhere, We have not sufficiently extended Observations to determine. But for the guidance of the mariner, it is evident that lower temperature cannot be depended on, as an indication Of the current-belt itself.

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Titel: Temperatures and Densities of the Waters of Eastern Canada
Untertitel: Including the Atlantic From the Bay of Fundy to Newfoundland; The Gulf of St. Lawrence, and the Straits Connecting It With the Ocean (Classic Reprint)
Autor:
EAN: 9780483388826
ISBN: 0483388823
Format: Fester Einband
Anzahl Seiten: 108
Gewicht: 304g
Größe: H229mm x B152mm x T10mm
Jahr: 2018
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