GEOGRAPHIA POLONICA PDF

Geographia Polonica () vol. 91, iss. 2, pp. | Full text. Geographia Polonica () vol. Special issue for the 21st International. Geographia Polonica is a scientific geographic journal that has been published.

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Physico-geographical mesoregions of Poland: Verification and adjustment of boundaries on the basis of contemporary spatial data. Geographia Polonica vol.

The programme of identification, cataloguing and evaluation of Polish landscapes, part of the implementation of the European Landscape Convention, has caused an increase in interest in physico-geographical regionalisation over recent years. The commonly accepted regionalisation of Poland developed by J. The aim of this article is to present a more up-to-date and detailed division of Poland into mesoregions, adjusted to the 1: In comparison with older work, the number of mesoregions has increased from to In many cases, somefar-reaching changes in meso- and macroregions were made.

Nevertheless, in most cases the previous system of units was maintained, with more detailed adjustment of boundaries based on the latest geological andgeomorphological data and the use of GIS tools for the DEM analysis.

The division presented here is a creatively developing new work aligning the proposals of the majority of Polish researchers. At the same time, it is a regionalisation maintaining the idea of the work developed by J.

Kondracki as well as his theoretical assumptions and the criteria used to distinguish units, which makes it a logical continuation of his regional division. Jerzy Solon [ j. Land use changes and their catchment-scale environmental impact in the Polish Western Carpathians during transition from centrally planned to free-market economics.

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It was hypothesised that short-term LULC changes during transition from a centrally planned to a free-market economy are sufficient to modify selected elements of the environment and that these changes can be identified in a measurable way.

Analyses confirmed the hypothesis that the environment was significantly modified due to the LULC changes.

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Abandonment of cultivated land, forest succession and a decrease in used road geograpnia, have resulted in lower efficiency of slope wash and sediment transport within the 4th-order catchments. LULChuman impactsocio-economic transformationcatchmentCarpathians.

The agricultural abandonment and reforestation taking place over the last few decades in the Carpathians has led to accelerated transformation of pasture landscape. An attempt has also been made to assess pasture landscape durability.

The major part of the former pasture landscapehas evolved into forest or settlement landscapes. The pasture landscape durability will only be possible if the operations supporting the traditional mountain grazing are continued. The work contains quantitative analysis of differentiation of altitudinal position and sinuosity of two lines determining the course of forest limit, i.

The course of the empiric timberline was delimited basing on aerial photographs with details from spatial data of Aerial Laser Scanning conducted in On the N slope, the course of timberline is exclusively conditioned by natural factors, whereas on the S slope this line was shifted downwards as a result of sheep and cattle grazing however it has shown progression for the last 80 years.

In the course of theoretical treeline conditioned by macrotopography and local climate, the mass-elevation effect is visible, and on the N slope, additionally, a sub-summit downward shift the Diablak effect occurs. The sequence of natural factors, according to their positive or negative influence on timberline and treeline courses was determined.

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Poland Barbara Spyt [ barbara.

Geographia Polonica

Effect of the north Atlantic oscillation on water level fluctuations in lakes of northern Poland. The paper presents an analysis of correlations between water levels in Polish lakes and the rate of the North Atlantic Oscillation NAO in the years The detailed analysis of the spatial variability of the effect of NAO on water gelgraphia in lakes concerned 19 lakes with statistically uniform hydrometric material.

Two matrices were obtained for each of the lakes, composed of coefficients of correlation calculated between monthly water stages and monthly and seasonal NAO indices. Four typological classes were distinguished for each variant.

It was determined that stronger correlations occur in the case of water stages in lakes with seasonal than those with monthly NAO indices. Geograhia strongest effect of NAO on water stages is observed in the winter-spring period.

Spatial variability of the effect has been recorded, resulting from the climatic conditions of a given region. Lakes located in the south-western part of the studied area constitute an evidently separate group. In the negative phase of NAO, they are distinguished by higher water geofraphia in the winter-spring period. This maybe associated with more frequent thaws polonixa winters, and increased supply to lakes in the period.

Poland Mariusz Ptak [ marp wp.