Abstract
Abstract In July 2011, measurements were taken of selected meteorological elements in the central part of the Łeba Sandbar in the Słowiński National Park. On the basis of the results of measurements performed at five points located on a salient land form in close proximity to the seashore, a thermal and humidity characteristics of this form were determined for a twenty-four hour period. The results of measurements obtained from an automatic weather station located in an open area, near the measurement points on the coastal sand dune, were used as information on the atmospheric conditions predominant in the standard area (flat area covered by grass). The research analysis was performed for the entire measurement period and for days with radiational weather. The authors also determined the dependence between air temperature and humidity values observed over the analysed land form and the values of weather elements measured over the standard area.
Highlights
Out of the numerous research works devoted to the climatic conditions of the Słowiński National Park, one may single out among others the studies authored by Kolendowicz (2002) and Rabski (1987), which discuss thermal and humidity variability in selected types of ecosystems
In July 2011, measurements were taken of selected meteorological elements in the central part of the Łeba Sandbar in the Słowiński National Park
On the basis of the results of measurements performed at five points located on a salient land form in close proximity to the seashore, a thermal and humidity characteristics of this form were determined for a twenty-four hour period
Summary
Out of the numerous research works devoted to the climatic conditions of the Słowiński National Park, one may single out among others the studies authored by Kolendowicz (2002) and Rabski (1987), which discuss thermal and humidity variability in selected types of ecosystems. According to Stružek (1954), during a sunny day southern slopes with an inclination of, for example, 15° receive 20% more energy, while slopes with an exposure – approximately 3% solar energy less than a horizontal surface This differentiation significantly impacts the spatial differentiation of thermal relations. One may single out a number of works that have been devoted to the issue of the influence of solar radiation on soil temperature and attempted to achieve a model presentation of the dependences between soil thermal conditions and the intensity of solar radiation, air temperature and wind speed for areas with varied vegetation growth (Bednarek 1966, Bednorz, Kolendowicz 2010b, Keryn et al 2004, Mungai et al, 1998)
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