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| Titel |
Topology and seasonal evolution of the network of extreme precipitation over the Indian subcontinent and Sri Lanka |
| VerfasserIn |
V. Stolbova, P. Martín, B. Bookhagen, N. Marwan, J. Kurths |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1023-5809
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| Digitales Dokument |
URL |
| Erschienen |
In: Nonlinear Processes in Geophysics ; 21, no. 4 ; Nr. 21, no. 4 (2014-08-29), S.901-917 |
| Datensatznummer |
250120937
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| Publikation (Nr.) |
 copernicus.org/npg-21-901-2014.pdf |
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| Zusammenfassung |
| This paper employs a complex
network approach to determine the topology and evolution of the network of
extreme precipitation that governs the organization of extreme rainfall
before, during, and after the Indian Summer Monsoon (ISM) season. We
construct networks of extreme rainfall events during the ISM
(June–September), post-monsoon (October–December), and pre-monsoon
(March–May) periods from satellite-derived (Tropical Rainfall Measurement
Mission, TRMM) and rain-gauge interpolated (Asian Precipitation Highly
Resolved Observational Data Integration Towards the Evaluation of Water
Resources, APHRODITE) data sets. The structure of the networks is determined
by the level of synchronization of extreme rainfall events between different
grid cells throughout the Indian subcontinent. Through the analysis of
various complex-network metrics, we describe typical repetitive patterns in
North Pakistan (NP), the Eastern Ghats (EG), and the Tibetan Plateau (TP).
These patterns appear during the pre-monsoon season, evolve during the ISM,
and disappear during the post-monsoon season. These are important
meteorological features that need further attention and that may be useful in
ISM timing and strength prediction. |
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