Nonlinear Processes in Geophysics
Nonlinear Processes in Geophysics
NPG
Articles | Volume 24, issue 2
Articles | Volume 24, issue 2
https://doi.org/10.5194/npg-24-141-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Special issue:
https://doi.org/10.5194/npg-24-141-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 24, issue 2
Research article
 | 
16 Mar 2017
Research article |  | 16 Mar 2017

Spatial and radiometric characterization of multi-spectrum satellite images through multi-fractal analysis

Carmelo Alonso, Ana M. Tarquis, Ignacio Zúñiga, and Rosa M. Benito

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Short summary
NDVI and EVI vegetation indexes, estimated from satellite images, can been used to estimate root zone soil moisture. However, depending on the spatial and radiometric resolution of the sensors used, estimations could change. In this work, images taken by satellites IKONOS-2 and LANDSAT-7 of the same location are compared on the four bands involved in these vegetation indexes. The results show that spatial resolution has a similar scaling effect in the four bands, but not radiometric resolution.
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Multifractal analysis in soil systems