References of "De Longueville, Florence"
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See detailPeople moved and will move again
Gemenne, François ULiege; De Longueville, Florence; De Bruyckere, Luka ULiege et al

Conference (2017, December 11)

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See detailVulnérabilité et adaptation des communautés lacustres aux inondations à Sô-Ava dans la basse vallée de l’Ouémé, Bénin
Lokossou, Martin Augustin; De Longueville, Florence; Ozer, Pierre ULiege

Conference (2017, December 11)

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See detailRecent evolution of the coastline in the Gulf of Guinea. Example of Togo and Benin (2000-2016)
Ozer, Pierre ULiege; Hountondji, Yvon-Carmen; De Longueville, Florence

Conference (2017, December 11)

The land-sea interface is an extremely fragile environment. On a global scale, coastlines are threatened by a multitude of factors sometimes natural and mostly anthropogenic. Thus, in addition to the ... [more ▼]

The land-sea interface is an extremely fragile environment. On a global scale, coastlines are threatened by a multitude of factors sometimes natural and mostly anthropogenic. Thus, in addition to the disruptions to coastal areas by port facilities, dams, sediment sampling on the beach or urban sprawl, there are the consequences of climate change, including rising sea levels. Studies conducted in West Africa show important shoreline erosion processes in recent years with many socio-economic consequences. [...] [less ▲]

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Gemenne, François ULiege; De Longueville, Florence; De Bruyckere, Luka ULiege et al

Conference (2017, November 17)

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See detailRecent evolution of the coastline in the Gulf on Guinea. Example of Togo and Benin (2000-2015)
Ozer, Pierre ULiege; Hountondji, Yvon-Carmen; De Longueville, Florence

Conference (2017, November 17)

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See detailVulnérabilité et adaptation des communautés lacustres aux inondations à Sô-Ava dans la basse vallée de l’Ouémé au Bénin
Lokossou, Martin Augustin; De Longueville, Florence; Ozer, Pierre ULiege

Conference (2017, November 17)

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See detailGlobal assessment of impacts on migration and security issues
Richardson, Katy; Bradshaw, Catherine; Lewis, Kirsty et al

Report (2017)

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See detailSocial ‘tipping points’ under climate/environmental change
Ozer, Pierre ULiege; Koala, Ouango; Clervil, Luc et al

Conference (2017, October 12)

There is growing recognition that climate change has the potential to trigger social ‘tipping points’, potentially involving abrupt (i.e. non-linear) increases in climate damages, even under smooth (i.e ... [more ▼]

There is growing recognition that climate change has the potential to trigger social ‘tipping points’, potentially involving abrupt (i.e. non-linear) increases in climate damages, even under smooth (i.e. linear) climate change. Whilst the notion of a ‘tipping point’ originated in the social sciences, in the last decade or so it has been widely used by climate scientists, referring in particular to strongly self-amplifying (positive feedback) dynamics in parts of the climate system [sensu Lenton et al. 2008]. We argue that reinvigorating the concept of social tipping points has considerable potential to help researchers understand the social impacts of climate change and consider their human consequences. Whilst feedback dynamics can also be important in social systems, here we review a broader phenomenology of social ‘tipping points’ that could give rise to abrupt changes e.g. in climate damages. We focus in particular on migration dynamics as the original example of ‘social tipping’ which can also be affected by climate change. We include the potential for the perception of climate change (as well as the actual experience of it) to trigger ‘social tipping’. We note how a lack of system resilience can increase the likelihood and magnitude of ‘social tipping’ driven by climate change, and scope out the potential for early warning signals of particular types of social tipping. We argue that in the developing world at least there is potential for social tipping points to be triggered by climate change long before potential climate tipping points unfold. Looking ahead, the application of network theory methods to social data provides a rapidly expanding opportunity to monitor and in some cases forewarn of social tipping. [less ▲]

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See detailEvolution récente du trait de côte en Afrique de l’Ouest: Impacts actuels et à venir sur les villes
Ozer, Pierre ULiege; Comoe, Raymond; De Longueville, Florence

Conference (2017, October 04)

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See detailChangement climatique, catastrophes naturelles et mobilité humaine en Afrique de l’Ouest
Gemenne, François ULiege; Blocher, Julia Mc Donald ULiege; De Longueville, Florence et al

in Geo-Eco-Trop : Revue Internationale de Géologie, de Géographie et d'Ecologie Tropicales (2017), 41(3),

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See detailEvolution récente des extrêmes pluviométriques au Niger (1950-2014)
Ozer, Pierre ULiege; Laminou Manzo; Tidjani, Adamou Didier et al

in Geo-Eco-Trop : Revue Internationale de Géologie, de Géographie et d'Ecologie Tropicales (2017), 41(3), 375-384

L’Afrique de l’Ouest est la région du monde qui connait le déficit pluviométrique le plus important. Le Niger, l’un des pays les plus pauvres du monde, est hautement dépendant des variations ... [more ▼]

L’Afrique de l’Ouest est la région du monde qui connait le déficit pluviométrique le plus important. Le Niger, l’un des pays les plus pauvres du monde, est hautement dépendant des variations pluviométriques dans un contexte de réchauffement climatique dont les conséquences semblent être défavorables dans les décennies à venir. Sur base des données pluviométriques quotidiennes de 37 stations nigériennes, cet article analyse l’évolution des précipitations au travers de onze indices entre 1950 et 2014. Après une sévère sécheresse de trois décennies qui est individualisée de 1968 à 1997, il apparait que si un retour à une pluviométrie moyenne annuelle subnormale est observé depuis 1998, il n’en est rien pour d’autres indices vitaux pour le monde rural dépendant de la bonne distribution des précipitations durant la saison des pluies. En effet, les jours secs consécutifs ont considérablement augmenté et les jours humides consécutifs se sont réduits. Il en va de même pour les jours pluvieux. Dans le même temps, la proportion de la précipitation maximale quotidienne dans le total pluviométrique annuel s’est renforcée au fil du temps et la proportion des précipitations intenses dans le total pluviométrique annuel s’est significativement accentuée au cours des deux dernières décennies [less ▲]

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See detailEvolution récente du trait de côte dans le golfe du Bénin. Exemples du Togo et du Bénin
Ozer, Pierre ULiege; Hountondji, Yvon Carmen; De Longueville, Florence

in Geo-Eco-Trop : Revue Internationale de Géologie, de Géographie et d'Ecologie Tropicales (2017), 41(3),

The land-sea interface is an extremely fragile environment. On a global scale, coastlines are threatened by a multitude of factors sometimes natural and mostly anthropogenic. Thus, in addition to the ... [more ▼]

The land-sea interface is an extremely fragile environment. On a global scale, coastlines are threatened by a multitude of factors sometimes natural and mostly anthropogenic. Thus, in addition to the disruptions to coastal areas by port facilities, dams, sediment sampling on the beach or urban sprawl, there are the consequences of climate change, including rising sea levels. The objective of this study is to assess recent trends (between 2000 and 2015) of the coastline in Togo and Benin where more localized studies show that sandy beaches are experiencing major changes (accretion or erosion) in recent decades. Coastal dynamics are analyzed using very high spatial resolution images available in open access on Google Earth; the coast is studied by section of 1 km on a coastline of 170 km by calculating the average change in meter per year since 2000. Analysis of coastal Togo and Benin shows that only 34% of the coastlines (most of the time protected) are stable and that accretion is recorded only upstream of harbor infrastructures (14%). Elsewhere, coastlines undergo erosive processes (52%), sometimes exceeding annual average retreats of 10 meters per year. In such conditions, villages have disappeared during the past decade and a large number of people have been displaced. [less ▲]

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See detailImpact of shoreline changes on population in Cotonou, Benin
de Longueville, Florence; Hountondji, Yvon-Carmen; Gemenne, François ULiege et al

Poster (2016, November 04)

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See detailPeople moved and will move again
Gemenne, François ULiege; de Longueville, Florence; De Bruyckere, Luka ULiege et al

Poster (2016, November 04)

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See detailRecent evolution of the coastline in the Gulf of Guinea. Example of Togo and Benin (2000-2015)
Ozer, Pierre ULiege; Hountondji, Yvon-Carmen; de Longueville, Florence

Poster (2016, November 04)

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See detailMigration in Extreme Climate Change Scenarios
Gemenne, François ULiege; Blocher, Julia; de Longueville, Florence et al

Conference (2016, October 12)

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See detailEvolution récente des extrêmes pluviométriques au Niger (1950-2014)
Ozer, Pierre ULiege; Laminou, Manzo Ousmane; Tidjani, Adamou Didier et al

Conference (2016, September 28)

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See detailClimate change perception and migration. Introducing the concept of « social tipping point ».
Ozer, Pierre ULiege; De Longueville, Florence

Conference (2016, August 31)

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