Search Results - "LEBEL, Thierry"
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Recent trends in the Central and Western Sahel rainfall regime (1990–2007)
Published in Journal of hydrology (Amsterdam) (30-08-2009)“…One motivation for setting up the CATCH ( Couplage de l’Atmosphère Tropicale et du Cycle Hydrologique) project at the end of the 1990s, was to contribute to…”
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Recent changes in the precipitation-driving processes over the southern tropical Andes/western Amazon
Published in Climate dynamics (01-03-2020)“…Analyzing December–February (DJF) precipitation in the southern tropical Andes—STA ( 12 ∘ S – 20 ∘ S ; > 3000 m.a.s.l) allows revisiting regional atmospheric…”
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A regional view of the linkages between hydro‐climatic changes and deforestation in the Southern Amazon
Published in International journal of climatology (15-06-2022)“…In the last four decades, the Southern Amazon (south of 8°S) has shown changes in the spatial and temporal patterns of its hydro‐climatic components, leading…”
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A unified statistical framework for detecting trends in multi-timescale precipitation extremes: application to non-stationary intensity-duration-frequency curves
Published in Theoretical and applied climatology (01-07-2021)“…There is a large agreement that global warming induces changes of precipitation regimes of different nature and amplitude depending on the timescale…”
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Correction to: New insights into the rainfall variability in the tropical Andes on seasonal and interannual time scales
Published in Climate dynamics (2021)“…The original version of the article contained errors in Fig…”
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AFRICAN MONSOON MULTIDISCIPLINARY ANALYSIS: An International Research Project and Field Campaign
Published in Bulletin of the American Meteorological Society (01-12-2006)“…African Monsoon Multidisciplinary Analysis (AMMA) is an international project to improve our knowledge and understanding of the West African monsoon (WAM) and…”
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AMMA-CATCH studies in the Sahelian region of West-Africa: An overview
Published in Journal of hydrology (Amsterdam) (30-08-2009)“…The African Monsoon Multidisciplinary Analysis (AMMA) is an international and interdisciplinary experiment designed to investigate the interactions between…”
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8
Drought-induced regime shift and resilience of a Sahelian ecohydrosystem
Published in Environmental research letters (01-10-2019)“…The Sahel (a semi-arid fringe south of the Sahara) experienced a long and prolonged drought from the 1970s to the mid-1990s, with a few extremely severe…”
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Climate variability through the lens of applied weather index insurance in Senegal-a novel perspective on the implications of decadal variation
Published in Frontiers in climate (23-09-2024)“…IntroductionWeather-based index insurance is a financial instrument which allows smallholder farmers to protect themselves against climate shocks such as…”
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10
Rainfall Variability in West Africa during the Years 1950–90
Published in Journal of climate (15-01-2002)“…The study presented here makes use of about 300 daily rain gauges covering a 1 700 000 km² area in order to characterize the rainfall regimes of West Africa at…”
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Seasonal cycle and interannual variability of the Sahelian rainfall at hydrological scales
Published in Journal of Geophysical Research - Atmospheres (27-04-2003)“…Sahelian rainfall is characterized both by a strong interannual variability and by periods of long‐lasting droughts, such as the years 1970–1997. The…”
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A Boundary Forcing Sensitivity Analysis of the West African Monsoon Simulated by the Modèle Atmosphérique Régional
Published in Atmosphere (01-02-2020)“…The rainfall regime of West Africa is highly variable over a large range of space and time scales. With rainfall agriculture being predominent in the region,…”
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13
From GCM grid cell to agricultural plot: scale issues affecting modelling of climate impact
Published in Philosophical transactions of the Royal Society of London. Series B. Biological sciences (29-11-2005)“…General circulation models (GCM) are increasingly capable of making relevant predictions of seasonal and long-term climate variability, thus improving…”
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14
Rainfall regime across the Sahel band in the Gourma region, Mali
Published in Journal of hydrology (Amsterdam) (30-08-2009)“…The Sahel is characterized by low and highly variable rainfall, which strongly affects the hydrology and the climate of the region and creates severe…”
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15
Réviser les courbes intensité-durée-fréquence dans un contexte de nouvelle donne hydro-climatique : de la détection de tendances à l’application opérationnelle
Published in LHB hydroscience journal (2023)“…RÉSUMÉDans le contexte actuel de transition vers un monde plus chaud, le climat d’aujourd’hui n’est déjà plus celui d’hier. Parmi les multiples conséquences de…”
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The Sahelian standardized rainfall index revisited
Published in International journal of climatology (01-10-2009)“…The Standardized Precipitation Index (SPI) is usually defined as the arithmetic mean of the normalized precipitation recorded at several stations over a region…”
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Les enjeux de l’interdisciplinarité de la recherche et des parcours de formation sur le changement climatique : l’école d’été « Autour du 2°C
Published in Natures sciences sociétés (Montrouge) (01-01-2021)“…En 2017 et 2019 ont eu lieu les deux premières éditions de l’école d’été « Autour du 2 °C » consacrée aux enjeux de l’interdisciplinarité de la recherche et…”
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18
Variogram and correlogram, two proposed estimators of the hydrological variability measurement
Published in Revista Facultad de Ingeniería (04-12-2012)“…The analysis of daily precipitation data of four climate stations in the Mexican states of Chiapas and Tabasco is presented in this paper. The period from…”
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Gibbs sampling for conditional spatial disaggregation of rain fields
Published in Water resources research (01-08-2004)“…Gibbs sampling is used to simulate Sahelian rain fields conditional to an areal estimate provided either as the output of an atmospheric model or by a…”
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Extreme austral winter precipitation events over the South-American Altiplano: regional atmospheric features
Published in Climate dynamics (01-11-2022)“…The South American Altiplano has a marked dry season during the austral winter (June to August, JJA). However, during this season synoptic meteorological…”
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