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Warunki biotermiczne w Tatrach Polskich

100%

Pełech S.

Prace Geograficzne

2013

issue 133

7-19

The paper covers a study of biothermal conditions in the Polish Tatras using daily values of the Subjective Temperature Index (STI) from three weather stations: Zakopane (foot of the mountains), Hala Gąsienicowa (tree line) and Kasprowy Wierch (summits), recorded during the period 2001–2010. The paper discusses the frequency of various thermal sensations in individual months and seasons. Biothermal conditions were demonstrated to follow an expected vertical pattern of change resembling that of the fall in air temperature. The higher the altitude the fewer STI classes remained, from six at Zakopane to four at Kasprowy Wierch, the more frequent were the sensations of cold (“cold”, “cool”) and the less frequent those linked to warmth (“hot”, “very hot”). At Zakopane and Hala Gąsienicowa the dominant thermal sensation during the year was “cool ” ( 44 and 45 %, respectively ), while “cold ” dominated at Kasprowy Wierch ( 48 % ). Zakopane had the best biothermal conditions of the three stations with “cool ”, “comfortable ” and “warm ” sensations, regarded as suitable for outdoor activities (sports and recreation) recorded throughout nearly all the year. At the opposite end of the scale were the conditions at Kasprowy Wierch, which had the highest number of days with the “cold” sensation, up to 70% on average in winter. These conditions require special clothing with a high thermal insulation factor and hand and face protection against potential frostbite.

Charakterystyka warunków śniegowych dla uprawiania narciarstwa na Pogórzu Wielickim

100%

Pełech S.

Prace Geograficzne

2012

issue 128

17-28

Celem pracy jest ocena warunków śniegowych na potrzeby uprawiania narciarstwa w Gaiku-Brzezowej (Pogórze Wielickie). Podstawę opracowania stanowią codzienne pomiary grubości pokrywy śnieżnej w okresie 1988–2011. Rozpatrzono okres występowania, liczbę dni i grubość pokrywy śnieżnej. Klasyfikację śniegu narciarskiego przyjęto za Łobożewiczem (1979): >10 cm dla narciarstwa biegowego i >20 cm dla narciarstwa zjazdowego. Stwierdzono, że warunki te na Pogórzu Wielickim są niezbyt korzystne, ale umożliwiają uprawianie narciarstwa.

The author analysed snow conditions required for skiing at Gaik-Brzezowa (Wielicczka Foothills, southern Poland). The basic data included daily snow-cover depth measurements from the period 1988–2011. Depths of snow cover accepted as necessary for skiing are, after Łobożewicz, >10 cm for cross-country and >20 cm for downhill skiing. The seasonal snow cover features calculated in the study included: the timing of snow cover occurrence, days with snow cover, days with both types of skiing-depth snow cover, days without either of the depths, total snow cover depth, average snow cover depth and the probability of snow cover occurrence in each month. Minimum, maximum and average values of each of those were also calculated. The author concluded that the snow cover conditions were below the standard for downhill skiing and sufficient for cross-country skiing. Downhill skiing requires extensive infrastructure, much greater than that for cross-country skiing, and the natural snow condition of the area are too weak to quarantee the efficiency of such an investment. Cross-country skiing has a better chance to develop here. This potential is enhanced by the varied relief of the area and its attractive landscape.

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2 Prace Geograficzne

2 Pełech S.

1 2013

1 2012

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Warunki biotermiczne w Tatrach Polskich

Charakterystyka warunków śniegowych dla uprawiania narciarstwa na Pogórzu Wielickim