TY  - JOUR
A1  - Goswami, Bedartha
A1  - Marwan, Norbert
A1  - Feulner, Georg
A1  - Kurths, Jürgen
T1  - How do global temperature drivers influence each other?
JF  - European physical journal special topics
N2  - We investigate a network of influences connected to global mean temperature. Considering various climatic factors known to influence global mean temperature, we evaluate not only the impacts of these factors on temperature but also the directed dependencies among the factors themselves. Based on an existing recurrence-based connectivity measure, we propose a new and more general measure that quantifies the level of dependence between two time series based on joint recurrences at a chosen time delay. The measures estimated in the analysis are tested for statistical significance using twin surrogates. We find, in accordance with earlier studies, the major drivers for global mean temperature to be greenhouse gases, ENSO, volcanic activity, and solar irradiance. We further uncover a feedback between temperature and ENSO. Our results demonstrate the need to involve multiple, delayed interactions within the drivers of temperature in order to develop a more thorough picture of global temperature variations.
Y1  - 2013
U6  - https://doi.org/10.1140/epjst/e2013-01889-8
SN  - 1951-6355
VL  - 222
IS  - 3-4
SP  - 861
EP  - 873
PB  - Springer
CY  - Heidelberg
ER  -