Geoscientific Instrumentation, Methods and Data Systems
Geoscientific Instrumentation, Methods and Data Systems
GI
Articles | Volume 4, issue 2
Articles | Volume 4, issue 2
https://doi.org/10.5194/gi-4-189-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/gi-4-189-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 4, issue 2
Research article
 | 
12 Oct 2015
Research article |  | 12 Oct 2015

Global trend analysis of the MODIS drought severity index

P. I. Orvos, V. Homonnai, A. Várai, Z. Bozóki, and I. M. Jánosi

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Short summary
The remotely sensed drought severity index (DSI) records compiled by Mu et al. (2013) exhibit significant local trends in several geographic areas. Since the interpretation of DSI values and trends depend on several local factors, standard field significance tests cannot provide more reliable results than the presented local trend survey. The observed continent-wide trends might be related to a slow (decadal) mode of climate variability, a link to global climate change cannot be established.
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