Alpine Level Snow Survey, Gros Morne National Park.
As part of a research study into the climate and weather of Gros Morne National
Park, Newfoundland, a survey of snow cover conditions on the alpine summit area of Big Level
plateau, at elevations near 750 metres, is undertaken at the time of maximum
snow depth in late winter-early spring.
Photograph shows work being carried out at a prepared snow pit. The
vertical variation in snow density and the presence of ice layers denoting
thawing and re-freezing are recorded, which will be related to the record of
precipitation and temperature from the nearby summit climate station (see
last two photographs in
Characteristics page of Climate section). In addition, samples of snow and
ice are being bagged to enable analysis of the changing chemistry of the snow
as it accumulated since the previous late fall season; such changes can then
be related to the geographical origins of the airflows bringing precipitation
to the Gros Morne Park area and compared with other winter seasons.
Reproduced by permission of Colin Banfield. © 1999.