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2 Miscellanea Geographica. Regional Studies on Development

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Change of grain size parameters of sediments as a result of wind activity. Barchans Jarangiyn els in Gobi, Mongolia

100%

Potocki M. , Mikulska M.

Miscellanea Geographica. Regional Studies on Development

2004

tom 11

81-91

Research conducted on the Jarangiyn els field on the Gobi desert in Mongolia took place during the transformation of barchans resulting from the changes in wind direction. The investigation undertaken by the authors had as its goal the evaluation of the changes in the morphology of the forms, extended by the interpretation of the grain size parameters distribution in the longitudinal profiles of the dunes. The results indicate that the processes of barchan transformation are recorded in grain size parameters.

Weather condition characteristics at the H. Arctowski Station (South Shetlands, Antarctica) for 2006, in comparison with multi-year research results

51%

Angiel P. J. , Potocki M. , Biszczuk-Jakubowska J. , Janicki M.

Miscellanea Geographica. Regional Studies on Development

2010

tom 14

79-89

The maritime Antarctic is characterised by highly variable weather conditions throughout the year, as well as over multi-year periods. The annual variability of weather conditions constitutes an important basis for biological and geographical studies, allowing for the monitoring of the functioning and changes of the geographical environment of the west coast of Admiralty Bay (King George Island, South Shetlands, Antarctica). Year-round meteorological observations (1.2006-12.2006) measured: atmospheric pressure, wind speed and direction, cloud cover, air temperature, relative humidity, total precipitation, snow cover, and Admiralty Bay ice cover.