Położenie, powierzchnia i kształt wybranych jezior Pojezierza Międzychodzko-Sierakowskiego na mapach topograficznych
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Date
2014
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Publisher
Wydawnictwo Poznańskiego Towarzystwa Przyjaciół Nauk
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Abstract
The objective of research concerned verifying the accuracy of the location and shape of selected
lakes presented on topographical maps from various periods, drawn up on different scales. The area of research
covered lakes situated in North-Western Poland on the Międzychód-Sieraków Lakeland. An analysis was
performed of vector maps available in both analogue and digital format. The shape and location of lakes have
been verified directly by means of field measurements performed using the GPS technology with an accuracy
class of RTK.
A compilation of cartographic and field data formed the basis for a comparison of the actual area and the
length of the shoreline of the studied lakes. Cartographic analyses made it possible to single out the most reliable
cartographic sources, which could be used for the purposes of hydrographical analyses. The field measurements
performed have also disclosed the potential for using differential GPS measurements for updating and
verifying existing cartographic materials, including those pertaining to the hydrographic grid. Furthermore,
they have made it possible to obtain very precise quantitative data.
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Keywords
topographic maps, GPS, lakes geometry
Citation
Badania Fizjograficzne, Seria A, Tom 65, 2014, s. 193-203
ISBN
978-83-7654-317-8