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Géostatistika

(dialihkeun ti Géostatistik)

Géostatistik maké téori proses stokastik jeung kasimpulan statistik keur nalungtik fénoménagéografi. Géostatistik geus ilahar digunakeun dina widang géo-sciences. métodeu Géostatistik ogé dipaké di geologi minyak, hidrogeologi, meteorologi, oseanografi, geokimia, kahutanan, kontrol lingkungan, ekologi lanskap, pertanian (hususna keur kacocogan tatanen) jeung sajabana.

Konsép dasar géostatistik nyaéta yén skala mangrupa variasi spasial. Data spasial "terikat" nunjukkeun yén variabiliti hampir sarua "tanpa" ningali lokasi titik data. Sanajan kitu, data spatial dina sababaraha kasus lain mangrupa data "terikat". Nilai data nu mana raket sacara spatial mibanda "variabiliti" anu saeutik dibandingkeun jeung nilai nu mana leuwih jauh antara hiji kanu séjénna. Sifat pola ieu béda-béda tina hiji susunan data ka susunan data nu séjénna; unggal susunan data mibanda fungsi nu "unik" sarta jarak antara dua titik data. Variabilitas ieu ilaharna diitung salaku fungsi nu disebut semivarian.

Spatial autocorrelation bisa diitung ngagunakeun correlograms, covariance functions jeung variograms (=semivariograms).

Topik anu aya hubunganna: statistik, géologi, GIS, remote sensing, kriging

Rujukan

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  9. Deutsch, C.V., 2002. Géostatistical Reservoir modéling, Oxford University Press, 384 pp., http://www.statios.com/WinGslib/index.html Archived 2015-05-11 di Wayback Machine
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  12. Journel, A G and Huijbregts, 1978, Mining Géostatistics, Academic Press
  13. Kitanidis, P.K.: Introduction to Géostatistics: Applications in Hydrogéology, Cambridge University Press. 1997.
  14. Lantuéjoul, C. 2002. Géostatistical simulation: modéls and algorithms. Springer, 256 pp.
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  16. Matheron, G. 1962. Traité de géostatistique appliquée. Tome 1, Editions Technip, Paris, 334 pp.
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  24. Shine, J.A., Wakefield, G.I.: A comparison of supervised imagery classification using analyst-chosen and géostatistically-chosen training sets, 1999, http://www.geovista.psu.edu/sites/geocomp99/Gc99/044/gc_044.htm Archived 2002-04-24 di Wayback Machine
  25. Volk, W, 1980, Applied Statistics for Engineers, Krieger Publishing Company, Huntington, New York.
  26. Wackernagel, H. 2003. Multivariate géostatistics, Third edition, Springer-Verlag, Berlin, 387 pp.
  27. Youden, W J, 1951, Statistical Methods for Chemists: John Wiley & Sons, New York.

Tempo ogé

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