Intensification of the dispersion of the global climatic landscape and its potential as a new climate change indicator

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Guan , Y , Lu , H , He , L , Adhikari , H , Pellikka , P , Maeda , E & Heiskanen , J 2020 , ' Intensification of the dispersion of the global climatic landscape and its potential as a new climate change indicator ' , Environmental Research Letters , vol. 15 , no. 11 , 114032 . https://doi.org/10.1088/1748-9326/aba2a7

Title: Intensification of the dispersion of the global climatic landscape and its potential as a new climate change indicator
Author: Guan, Yanlong; Lu, Hongwei; He, Li; Adhikari, Hari; Pellikka, Petri; Maeda, Eduardo; Heiskanen, Janne
Other contributor: University of Helsinki, Earth Change Observation Laboratory (ECHOLAB)
University of Helsinki, Department of Geosciences and Geography
University of Helsinki, TreeD lab - Terrestrial Ecosystem Dynamics
University of Helsinki, Institute for Atmospheric and Earth System Research (INAR)





Date: 2020-11
Language: eng
Number of pages: 10
Belongs to series: Environmental Research Letters
ISSN: 1748-9326
DOI: https://doi.org/10.1088/1748-9326/aba2a7
URI: http://hdl.handle.net/10138/322711
Abstract: Increases and decreases in the areas of climatic types have become one of the most important responses to climate warming. However, few attempts have been made to quantify the complementary relationship between different climate types or to further assess changes in the spatial morphology. In this study, we used different observed datasets to reveal a dispersion phenomenon between major global climate types in 1950-2010, which is significantly consistent with the increasing trend of global temperatures. As the standard deviation of the area of major climate zones strengthened in 1950-2010, the global climatic landscape underwent notable changes. Not only did the area change, but the shape of the overall boundary became regular, the aggregation of climatic patches strengthened, and the climatic diversity declined substantially. However, changes in the global climatic landscapes are not at equilibrium with those on the continental scale. Interpreting these climatic morphological indices can deepen our understanding of the redistribution response mechanisms of species to climate change and help predict how they will be impacted by long-term future climate change.
Subject: K&#246
ppen&#8211
Geiger climate classification
global climate landscape
dispersion
patch aggregation
global climate diversity
WORLD MAP
CLASSIFICATION
RESOLUTION
IMPACTS
SHIFTS
REGIONS
TRENDS
BIOMES
SCALE
CMIP5
114 Physical sciences
1172 Environmental sciences
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