Multisensor analysis of teleconnection signals in relation to terrestrial precipitation and forest greenness in North and Central America

N. B. Chang, S. Imen, L. Mullen, C. F. Chen, M. Valdez, J. Yang

研究成果: 書貢獻/報告類型會議論文篇章同行評審

1 引文 斯高帕斯(Scopus)

摘要

Identification of teleconnection patterns at a local scale is challenging, largely due to the coexistence of non-stationary and non-linear signals embedded within sea surface temperature (SST) anomalies. This study investigates how the oceanic teleconnection signals affect the forested sites in the North and Central America based on mulitsensor data. These impacts were found to affect 20-40% of precipitation and 30-60% of vegetation. The non-linear spectral wavelet analysis showed that the terrestrial hydroecological responses of the Central America and Northeast sites are mostly affected by the Pacific Ocean (i.e. El-Nino Southern Oscillation and Madden-Julian Oscillation) and the Atlantic Ocean (i.e. North Atlantic Oscillation and tropical Atlantic) respectively, while the responses of the Northwest site are influenced by tropical Atlantic and Pacific oceans. In addition, it indicated the periodic high and consistent quasi-biennial to triennial low frequency signals between SST anomalies and terrestrial responses of the Northeast and Central America sites, whereas the periodic low frequency signals were only detected in the Northwest site.

原文???core.languages.en_GB???
主出版物標題Proceedings of the 11th IEEE International Conference on Networking, Sensing and Control, ICNSC 2014
發行者IEEE Computer Society
頁面649-654
頁數6
ISBN(列印)9781479931064
DOIs
出版狀態已出版 - 2014
事件11th IEEE International Conference on Networking, Sensing and Control, ICNSC 2014 - Miami, FL, United States
持續時間: 7 4月 20149 4月 2014

出版系列

名字Proceedings of the 11th IEEE International Conference on Networking, Sensing and Control, ICNSC 2014

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???event.eventtypes.event.conference???11th IEEE International Conference on Networking, Sensing and Control, ICNSC 2014
國家/地區United States
城市Miami, FL
期間7/04/149/04/14

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