Interdecadal changes in ocean teleconnections with the Sahel : implications in rainfall predictability /

Interdecadal changes in ocean teleconnections with the Sahel : implications in rainfall predictability /

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Bibliographic Details
Author / Creator:Moreno, Roberto Suárez.
Imprint:Cham, Switzerland : Springer, 2019.
Description:1 online resource.
Language:English
Series:Springer theses
Springer theses.
Subject:
Rainfall probabilities -- Sahel.
Precipitation forecasting -- Sahel.
Precipitation forecasting.
Rainfall probabilities.
Africa -- Sahel.
Format: E-Resource Book
URL for this record:http://pi.lib.uchicago.edu/1001/cat/bib/11746335
Hidden Bibliographic Details
ISBN:9783319994505
3319994506
9783319994499
Notes:Online resource; title from PDF title page (EBSCO, viewed November 30, 2018).
Summary:In tropical latitudes, monsoons trigger regimes of strong seasonal rainfall over the continents. Over the West African region, the rainfall has shown a strong variability from interannual to decadal time scales. The atmospheric response to global sea surface temperatures is the leading cause of rainfall variability in the West African Sahel. This thesis explores changes in the leading ocean forcing of Sahelian rainfall interannual variability. It anaylzes the dynamical mechanisms at work to explain the non-stationary sea surface temperature-forced response of anomalous rainfall. The underlying multidecadal sea surface temperature background is raised as a key factor that favors some interannual teleconnections and inhibits others. Results of this thesis are relevant for improving the seasonal predictability of summer rainfall in the Sahel.

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