scholarly journals Spatio-temporal variation of temperature characteristics over Narmada basin – is the consistent warming trend a possible climate change signal?

2013 ◽  
Keyword(s):  
Climate Change ◽  
Temporal Variation ◽  
Warming Trend ◽  
Climate Change Signal ◽  
Temperature Characteristics ◽  
Spatio Temporal

Spatial and temporal variation in morphology in Australian whistlers and shrike-thrushes: is climate change causing larger appendages?

2020 ◽  
Vol 130 (1) ◽  
pp. 101-113
Author(s):  
Isabelle R Onley ◽  
Janet L Gardner ◽  
Matthew R E Symonds
Keyword(s):  
Climate Change ◽  
Body Size ◽  
Temporal Variation ◽  
Relative Size ◽  
Bird Species ◽  
Spatial And Temporal Variation ◽  
Climatic Warming ◽  
Morphological Response ◽  
Allen’S Rule ◽  
Spatio Temporal

Abstract Allen’s rule is an ecogeographical pattern whereby the size of appendages of animals increases relative to body size in warmer climates in order to facilitate heat exchange and thermoregulation. Allen’s rule predicts that one consequence of a warming climate would be an increase in the relative size of appendages, and evidence from other bird species suggests that this might be occurring. Using measurements from museum specimens, we determined whether spatio-temporal variation in bills and legs of Australian Pachycephalidae species exhibits within-species trends consistent with Allen’s rule and increases in temperature attributable to climatic warming. We conducted regression model analyses relating appendage size to spatio-temporal variables, while controlling for body size. The relative bill size in four of the eight species was negatively associated with latitude. Tarsus length showed no significant trends consistent with Allen’s rule. No significant increases in appendage size were found over time. Although bill size in some species was positively correlated with warmer temperatures, the evidence was not substantial enough to suggest a morphological response to climatic warming. This study suggests that climate change is not currently driving adaptive change towards larger appendages in these species. We suggest that other adaptive mechanisms might be taking place.

Spatio-temporal variation in phenological response of citrus to climate change in Iran: 1960–2010

2014 ◽  
Vol 198-199 ◽  
pp. 285-293 ◽  
Author(s):  
J.M. Fitchett ◽  
S.W. Grab ◽  
D.I. Thompson ◽  
G. Roshan
Keyword(s):  
Climate Change ◽  
Temporal Variation ◽  
Spatio Temporal

scholarly journals Spatio-temporal variation of spring phenology in Tibetan Plateau and its linkage to climate change from 1982 to 2012

2016 ◽  
Vol 13 (1) ◽  
pp. 83-94 ◽  
Author(s):  
Ming-jun Ding ◽  
Lan-hui Li ◽  
Yong Nie ◽  
Qian Chen ◽  
Yi-li Zhang
Keyword(s):  
Climate Change ◽  
Tibetan Plateau ◽  
Temporal Variation ◽  
Spring Phenology ◽  
Spatio Temporal

scholarly journals Multidecadal ENSO Amplitude Variability in a 1000-yr Simulation of a Coupled Global Climate Model: Implications for Observed ENSO Variability

2013 ◽  
Vol 26 (23) ◽  
pp. 9399-9407 ◽  
Author(s):  
Simon Borlace ◽  
Wenju Cai ◽  
Agus Santoso
Keyword(s):  
Climate Change ◽  
Time Scales ◽  
Climate Model ◽  
Southern Oscillation ◽  
Global Climate ◽  
Global Climate Model ◽  
Warming Trend ◽  
Recent Change ◽  
Climate Change Signal ◽  
Coupled Global Climate Model

The amplitude of the El Niño–Southern Oscillation (ENSO) can vary naturally over multidecadal time scales and can be influenced by climate change. However, determining the mechanism for this variation is difficult because of the paucity of observations over such long time scales. Using a 1000-yr integration of a coupled global climate model and a linear stability analysis, it is demonstrated that multidecadal modulation of ENSO amplitude can be driven by variations in the governing dynamics. In this model, the modulation is controlled by the underlying thermocline feedback mechanism, which in turn is governed by the response of the oceanic thermocline slope across the equatorial Pacific to changes in the overlying basinwide zonal winds. Furthermore, the episodic strengthening and weakening of this coupled interaction is shown to be linked to the slowly varying background climate. In comparison with the model statistics, the recent change of ENSO amplitude in observations appears to be still within the range of natural variability. This is despite the apparent warming trend in the mean climate. Hence, this study suggests that it may be difficult to infer a climate change signal from changes in ENSO amplitude alone, particularly given the presently limited observational data.

scholarly journals An ecological ‘footprint’ of climate change

2005 ◽  
Vol 272 (1571) ◽  
pp. 1427-1432 ◽  
Author(s):  
Gian-Reto Walther ◽  
Silje Berger ◽  
Martin T Sykes
Keyword(s):  
Climate Change ◽  
Species Distribution ◽  
Global Climate ◽  
Ground Truth ◽  
Warming Trend ◽  
Climate Data ◽  
Northern Margin ◽  
Winter Temperatures ◽  
Bioclimatic Model ◽  
Spatio Temporal

Recently, there has been increasing evidence of species' range shifts due to changes in climate. Whereas most of these shifts relate ground truth biogeographic data to a general warming trend in regional or global climate data, we here present a reanalysis of both biogeographic and bioclimatic data of equal spatio-temporal resolution, covering a time span of more than 50 years. Our results reveal a coherent and synchronous shift in both species' distribution and climate. They show not only a shift in the northern margin of a species, which is in concert with gradually increasing winter temperatures in the area, they also confirm the simulated species' distribution changes expected from a bioclimatic model under the recent, relatively moderate climate change.

scholarly journals Large-scale emulation of spatio-temporal variation in temperature under climate change

2021 ◽  
Vol 16 (1) ◽  
pp. 014041
Author(s):  
Xiao-Chen Yuan ◽  
Nan Zhang ◽  
Wei-Zheng Wang ◽  
Yi-Ming Wei
Keyword(s):  
Climate Change ◽  
Temporal Variation ◽  
Large Scale ◽  
Spatio Temporal

Spatio-temporal variation in rainfall-runoff erosivity due to climate change in the Lower Niger Basin, West Africa

CATENA ◽  
2019 ◽  
Vol 172 ◽  
pp. 324-334 ◽  
Author(s):  
Amobichukwu C. Amanambu ◽  
Lanhai Li ◽  
Christiana N. Egbinola ◽  
Omon A. Obarein ◽  
Christophe Mupenzi ◽  
...  
Keyword(s):  
Climate Change ◽  
West Africa ◽  
Temporal Variation ◽  
Rainfall Runoff ◽  
Spatio Temporal
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