Integrated method for global land cover products' validation on the example of Bulgaria

Vanya Stamenova; Stefan  Stamenov

doi:10.3986/AGS.10929

Avtorji

Vanya Stamenova Bulgarian Academy of Sciences, Space Research and Technology Institute, Sofia, Bulgaria https://orcid.org/0000-0002-8933-5426
Stefan Stamenov Bulgarian Academy of Sciences, Space Research and Technology Institute, Sofia, Bulgaria https://orcid.org/0000-0001-6010-8142

DOI:

https://doi.org/10.3986/AGS.10929

Ključne besede:

validacija pokrovnosti tal, globalni produkti pokrovnosti tal, integrirana metoda, GIS obdelava, vizualna interpretacija, Bolgarija

Povzetek

V članku je predstavljena validacija štirih globalnih podatkovnih nizov pokrovnosti tal za obdobje 2009–2010 (GlobeLand30, GlobCover, Forest/Non-forest map, Tree canopy cover) za ozemlje Bolgarije v okviru naloge, ki jo je vodila organizacija GEO. Razvita je bila integrirana metoda za validiranje, ki združuje zmogljivosti obdelave GIS, različne podatke in metodo vizualne interpretacije, temelječe na ekspertnem znanju. Gre za učinkovit in časovno varčen pristop, ki omogoča potrjevanje več podatkovnih nizov v enem okolju. Rezultati so predstavljeni v vektorski obliki s strukturiranimi atributnimi podatki za vse potrjene podatkovne nize. Analiza je pokazala, da je največja natančnost ugotovljena za Tree canopy cover (96,7 %), najmanjša pa za GlobCover 2009 (51,0 %). Natančnost ostalih podatkovnih slojev je precej visoka, približno 80 %.

Prenosi

Podatki o prenosih še niso na voljo.

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