EVALUATION OF THE SEMIVARIOGRAM SELECTION ON THE KRIGING INTERPOLATION - Publikacja - MOST Wiedzy

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EVALUATION OF THE SEMIVARIOGRAM SELECTION ON THE KRIGING INTERPOLATION

Abstrakt

The aim of the paper is to present the possibilities of geostatistical interpolation kriging method using in the process of generating digital terrain models (DTM). The source of data is a direct measurements realized with a precision GNSS positioning kinematic measurement technique RTN. Kriging algorithm was analysed, especially in the meaning of a semivariogram every step. Theoretical semivariogram selection influence on the interpolation accuracy was verified, and thus, the accuracy of the resulting terrain model. Moreover, phenomenon as drift and anisotropy were tested and their influence on the result. The size of the effect was determined with two parameters: the kriging variance and root-mean-square error (RMS). The research results let the authors conclude that proper interpolation by kriging algorithm is a very complicated process and should be based on a geostatistical knowledge. By a right interpolation with the kriging, an accurate surface model can be gained which can reveal every single morphology details.

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Informacje szczegółowe

Kategoria:
Aktywność konferencyjna
Typ:
materiały konferencyjne indeksowane w Web of Science
Tytuł wydania:
15th International Multidisciplinary Scientific GeoConference SGEM2015, INFORMATICS, GEOINFORMATICS AND REMOTE SENSING strony 235 - 246
ISSN:
1314-2704
Język:
angielski
Rok wydania:
2015
Opis bibliograficzny:
Błaszczak-Bąk W., Pajak K., Sobieraj-Żłobińska A..: EVALUATION OF THE SEMIVARIOGRAM SELECTION ON THE KRIGING INTERPOLATION, W: 15th International Multidisciplinary Scientific GeoConference SGEM2015, INFORMATICS, GEOINFORMATICS AND REMOTE SENSING, 2015, STEF92 TECHNOLOGY LTD, 1 ANDREY LYAPCHEV BLVD, SOFIA, 1797, BULGARIA,.
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.5593/sgem2015/b22/s9.029
Weryfikacja:
Politechnika Gdańska

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