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Dive into the research topics where Cornelia Klein is active.

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Featured researches published by Cornelia Klein.


Environmental Research Letters | 2016

Global warming induced hybrid rainy seasons in the Sahel

Seyni Salack; Cornelia Klein; Alessandra Giannini; Benoît Sarr; Omonlola N Worou; Nouhoun Belko; Jan Bliefernicht; Harald Kunstman

The small rainfall recovery observed over the Sahel, concomitant with a regional climate warming, conceals some drought features that exacerbate food security. The new rainfall features include false start and early cessation of rainy seasons, increased frequency of intense daily rainfall, increasing number of hot nights and warm days and a decreasing trend in diurnal temperature range. Here, we explain these mixed dry/wet seasonal rainfall features which are called hybrid rainy seasons by delving into observed data consensus on the reduction in rainfall amount, its spatial coverage, timing and erratic distribution of events, and other atmospheric variables crucial in agro-climatic monitoring and seasonal forecasting. Further composite investigations of seasonal droughts, oceans warming and the regional atmospheric circulation nexus reveal that the low-to-mid-level atmospheric winds pattern, often stationary relative to either strong or neutral El-Nino-Southern-Oscillations drought patterns, associates to basin warmings in the North Atlantic and the Mediterranean Sea to trigger hybrid rainy seasons in the Sahel. More challenging to rain-fed farming systems, our results suggest that these new rainfall conditions will most likely be sustained by global warming, reshaping thereby our understanding of food insecurity in this region.


Journal of Geophysical Research | 2018

Wavelet Scale Analysis of Mesoscale Convective Systems for Detecting Deep Convection From Infrared Imagery

Cornelia Klein; Danijel Belušić; Christopher M. Taylor

Wavelet Scale Analysis of Mesoscale Convective Systems for Detecting Deep Convection From Infrared Imagery


Climate Dynamics | 2015

Variability of West African monsoon patterns generated by a WRF multi-physics ensemble

Cornelia Klein; Dominikus Heinzeller; Jan Bliefernicht; Harald Kunstmann


Nature | 2017

Frequency of extreme Sahelian storms tripled since 1982 in satellite observations

Christopher M. Taylor; Danijel Belušić; Françoise Guichard; Douglas J. Parker; Théo Vischel; Olivier Bock; Phil P. Harris; Serge Janicot; Cornelia Klein; Gérémy Panthou


Climate Dynamics | 2017

Feedback of observed interannual vegetation change: a regional climate model analysis for the West African monsoon

Cornelia Klein; Jan Bliefernicht; Dominikus Heinzeller; Ursula Gessner; Igor Klein; Harald Kunstmann


Earth System Science Data | 2017

The WASCAL high-resolution regional climate simulation ensemble for West Africa: concept, dissemination and assessment

Dominikus Heinzeller; Diarra Dieng; Gerhard Smiatek; Christiana Olusegun; Cornelia Klein; Ilse Hamann; Seyni Salack; Jan Bliefernicht; Harald Kunstmann


Supplement to: Heinzeller, Dominikus; Dieng, Diarra; Smiatek, Gerhard; Olusegun, Christiana F; Klein, Cornelia; Hamann, Ilse; Salack, Seyni; Bliefernicht, Jan; Kunstmann, Harald (submitted): The WASCAL high-resolution regional climate simulation ensemble for West Africa. Earth System Science Data Discussions | 2017

West African Science Service Centre on Climate Change and Adapted Land Use (WASCAL) high-resolution climate simulation data, links to subset of variables at daily and monthly temporal resolution in NetCDF format

Dominikus Heinzeller; Diarra Dieng; Gerhard Smiatek; Christiana Olusegun; Cornelia Klein; Ilse Hamann; Jan Bliefernicht; Harald Kunstmann


Archive | 2017

WASCAL WRF12km with HadGEM2-ES r1i1p1 forcing from the CMIP5 RCP4.5 experiment

Dominikus Heinzeller; Diarra Dieng; Gerhard Smiatek; Christiana Olusegun; Cornelia Klein; Ilse Hamann; Harald Kunstmann


Archive | 2017

WASCAL WRF12km with HadGEM2-ES r1i1p1 forcing from the CMIP5 historical experiment

Dominikus Heinzeller; Diarra Dieng; Gerhard Smiatek; Christiana Olusegun; Cornelia Klein; Ilse Hamann; Harald Kunstmann


Archive | 2017

WASCAL WRF12km with ERA-INT forcing as control experiment

Dominikus Heinzeller; Diarra Dieng; Gerhard Smiatek; Christiana Olusegun; Cornelia Klein; Ilse Hamann; Harald Kunstmann

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Dominikus Heinzeller

Karlsruhe Institute of Technology

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Christiana Olusegun

Karlsruhe Institute of Technology

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Igor Klein

German Aerospace Center

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Seyni Salack

Cheikh Anta Diop University

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