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See detailClimat et gaz à effet de serre: récentes évolutions constatées
Ozer, Pierre ULg

Scientific conference (2014, November 26)

Detailed reference viewed: 58 (5 ULg)
See detailLe climat et nous: quelles alternatives ?
Ozer, Pierre ULg; Perrin, Dominique ULg

Conference given outside the academic context (2015)

Detailed reference viewed: 10 (0 ULg)
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See detailClimat et paysage : la visibilité, élément méconnu du climat
Erpicum, Michel ULg; Binard, M.

in Notes de Recherches de la Société géographique de Liège (1987), 8

Detailed reference viewed: 11 (4 ULg)
See detailLe climat
Alexandre, Jean ULg; Erpicum, Michel ULg; Vernemmen, C.

in Denis, J. (Ed.) Géographie de la Belgique (1992)

Detailed reference viewed: 42 (14 ULg)
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See detailClimat, race, caractère national et langage chez James Dunbar (1780). Un cas journalistique de transmission des "Lumières écossaises tardives".
Droixhe, Daniel ULg; Collart, Muriel

in Lumières (2011), 17(2e semestre), 77-99

What is Dunbar's position towards Dubos', Montesquieu's and Ferguson's climatology and environmental influence on race? To which extent did he suscribe to Helvetius's and Hume's skeptical considerations ... [more ▼]

What is Dunbar's position towards Dubos', Montesquieu's and Ferguson's climatology and environmental influence on race? To which extent did he suscribe to Helvetius's and Hume's skeptical considerations about this determination? We link this opposition to the one, established by Z. Sternhell, between a mere "Enlightement" associating Locke and Kant and a pre-romantic anti-Enlightenment illustrated by Burke or Herder. We consider the reception of Dunbar's Essays in the French, British and German scientific press. [less ▲]

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See detailCLIMAT: DES BOULEVERSEMENTS CONSTATES (2012)
Ozer, Pierre ULg

Scientific conference (2012, January 17)

17 janvier 2012 : Climat, des bouleversements constatés Docteur en géographie à l’Université de Liège, spécialisé sur les problèmes liés à la désertification, aux catastrophes naturelles et à leur gestion ... [more ▼]

17 janvier 2012 : Climat, des bouleversements constatés Docteur en géographie à l’Université de Liège, spécialisé sur les problèmes liés à la désertification, aux catastrophes naturelles et à leur gestion, et à de nombreux aléas climatiques, Pierre OZER exposera l’évolution du climat, en faisant le lien entre les travaux du GIEC (Groupe d’experts Intergouvernemental sur l’Evolution du Climat) et de l’UNFCCC (Convention Cadre des Nations Unies sur les Changements Climatiques). A travers cette démonstration il montrera le poids de ces travaux au cours des négociations internationales (passées, actuelles et à venir). [less ▲]

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See detailClimat: nous n'avons pas de temps à perdre
Berger, A; Callens, I; Bouckaert, T et al

Article for general public (2012)

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See detailA climate analysis tool for passive heating and cooling strategies in hot humid climate based on Typical Meteorological Year data sets
Nguyen, Anh Tuan ULg; Reiter, Sigrid ULg

in Energy & Buildings (2014), 68(Part C), 756-763

Through a newly developed climate analysis tool, this paper examines the potential of improving thermal comfort under the climates of Vietnam thanks to passive strategies. A Building climatic chart for ... [more ▼]

Through a newly developed climate analysis tool, this paper examines the potential of improving thermal comfort under the climates of Vietnam thanks to passive strategies. A Building climatic chart for Vietnamese was proposed based on Fanger’s theory [1] and the comfort zone of this chart was then extended by calculating the effects of passive heating and cooling strategies. Typical Meteorological Year weather data are used for extracting and graphically printing of hourly environmental parameters on the psychrometric chart and for climate analysis, subsequently. The limitation and the scope of this method are also specified. The climates of three climatic regions in Vietnam have been used as case studies using all year, seasonal and monthly analysis. The results show that natural ventilation is an effective cooling solution as thermal comfort improvement varies with the climatic zones, increasing from 24.8% in Hanoi, 22.1% in Danang to 32.0% in Hochiminh city. Meanwhile, passive solar heating is only effective under the climate of Hanoi. Direct evaporative cooling also shows great cooling potential for comfort improvement but probable elevated humidity is not expected. Total possible comfort in a year of each location indicates that further climate modification methods are inevitable to achieve comfort during extreme weather conditions, especially in Hanoi. [less ▲]

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See detailClimate and biogeochemical response to a rapid melting of the West-Antarctic Ice Sheet during interglacials and implications for future climate
Menviel, L.; Timmermann, A.; Timm, O. et al

in Paleoceanography (2010), 25

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See detailClimate and emotion regulation: is there a role for “climatotherapy” in the sustainable development of mental health ?
Desseilles, Martin ULg; Duclos, Catherine; Flohimont, Valérie et al

in Behavioral and Brain Sciences (2013), 36(5), 23-24

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See detailClimate and marine carbon cycle response to changes in the strength of the southern hemispheric westerlies
Menviel, L.; Timmermann, A.; Mouchet, Anne ULg et al

Conference (2008, April 17)

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See detailClimate and marine carbon cycle response to changes in the strength of the Southern Hemispheric westerlies
Menviel, L.; Timmermann, A.; Mouchet, Anne ULg et al

in Paleoceanography (2008), 23(4),

It has been previously suggested that changes in the strength and position of the Southern Hemisphere westerlies could be a key contributor to glacial-interglacial atmospheric CO2 variations. To test this ... [more ▼]

It has been previously suggested that changes in the strength and position of the Southern Hemisphere westerlies could be a key contributor to glacial-interglacial atmospheric CO2 variations. To test this hypothesis, we perform a series of sensitivity experiments using an Earth system model of intermediate complexity. A strengthening of the climatological mean surface winds over the Southern Ocean induces stronger upwelling and increases the formation of Antarctic Bottom Water. Enhanced Ekman pumping brings more dissolved inorganic carbon (DIC)-rich waters to the surface. However, the stronger upwelling also supplies more nutrients to the surface, thereby enhancing marine export production in the Southern Hemisphere and decreasing the DIC content in the euphotic zone. The net response is a small atmospheric CO2 increase (similar to 5 ppmv) compared to the full glacial-interglacial CO2 amplitude of similar to 90 ppmv. Roughly the opposite results are obtained for a weakening of the Southern Hemisphere westerly winds. [less ▲]

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See detailClimate and Security: Evidence, Emerging Risks and a New Agenda
Gemenne, François ULg; Barnett, Jon; Adger, W. Neil et al

in Climatic Change (2014), 123(1), 1-9

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See detailClimate and Security: Evidence, Emerging Risks and a New Agenda
Gemenne, François ULg; Adger, Neil; Barnett, Jon et al

in Climatic Change (2014)

Detailed reference viewed: 74 (6 ULg)
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See detailCLIMATE CHANGE : Causes and consequences (2016). "Global Societal Challenges and Smart Cities"
Ozer, Pierre ULg

Scientific conference (2016, January 05)

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See detailClimate change : Impacts of shoreline erosion in developing countries
Ozer, Pierre ULg; Lemena, Kidja Hermann

Conference (2015, March 11)

Detailed reference viewed: 33 (4 ULg)
See detailClimate Change and Environment related Migration in the European Union Policy: An Organizational Shift towards Adaptation and Development
Blocher, Julia ULg

in Rosenow-Williams, Kerstin; Gemenne, François (Eds.) Organizational Perspectives on Environmental Migration (in press)

Applying the concept of organizational fields within an intra-organizational approach, this chapter traces the issue of ‘environmental migration’ and its institutional location within European Union (EU ... [more ▼]

Applying the concept of organizational fields within an intra-organizational approach, this chapter traces the issue of ‘environmental migration’ and its institutional location within European Union (EU) structures. It argues that responses have been shaped by security actors within the EU before being integrated into climate change adaptation, regional partnerships and thematic issues vis-à-vis development cooperation in third countries. Moreover, an organizational shift in treating the linkages between environment and climate change and migration belies an institutional change. An accompanying change in modalities of responses may offer promising avenues to address the topic within a fledgling common approach to migration. [less ▲]

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See detailClimate Change and Tritrophic Interactions: Will Modifications to Greenhouse Gas Emissions Increase the Vulnerability of Herbivorous Insects to Natural Enemies?
Boullis, Antoine ULg; Francis, Frédéric ULg; Verheggen, François ULg

in Environmental Entomology (2015)

Insects are highly dependent on odor cues released into the environment to locate conspecifics or food sources. This mechanism is particularly important for insect predators that rely on kairomones ... [more ▼]

Insects are highly dependent on odor cues released into the environment to locate conspecifics or food sources. This mechanism is particularly important for insect predators that rely on kairomones released by their prey to detect them. In the context of climate change and, more specifically, modifications in the gas composition of the atmosphere, chemical communication-mediating interactions between phytophagous insect pests, their host plants, and their natural enemies is likely to be impacted. Several reports have indicated that modifications to plants caused by elevated carbon dioxide and ozone concentrations might indirectly affect insect herbivores, with community-level modifications to this group potentially having an indirect influence on higher trophic levels. The vulnerability of agricultural insect pests toward their natural enemies under elevated greenhouse gases concentrations has been frequently reported, but conflicting results have been obtained. This literature review shows that the higher levels of carbon dioxide, as predicted for the coming century, do not enhance the abundance or efficiency of natural enemies to locate hosts or prey in most published studies. Increased ozone levels lead to modifications in herbivore-induced volatile organic compounds (VOCs) released by damaged plants, which may impact the attractiveness of these herbivores to the third trophic level. Furthermore, other oxidative gases (such as SO2 and NO2) tend to reduce the abundance of natural enemies. The impact of changes in atmospheric gas emissions on plant–insect and insect–insect chemical communication has been under-documented, despite the significance of these mechanisms in tritrophic interactions. We conclude by suggesting some further prospects on this topic of research yet to be investigated. [less ▲]

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See detailClimate change impacts on groundwater resources: modelled deficits in a chalky aquifer, Geer basin, Belgium
Brouyère, Serge ULg; Carabin, Guy; Dassargues, Alain ULg

in Hydrogeology Journal (2004), 12(2), 123-134

An integrated hydrological model (MOHISE) was developed in order to study the impact of climate change on the hydrological cycle in representative water basins in Belgium. This model considers most ... [more ▼]

An integrated hydrological model (MOHISE) was developed in order to study the impact of climate change on the hydrological cycle in representative water basins in Belgium. This model considers most hydrological processes in a physically consistent way, more particularly groundwater flows which are modelled using a spatially distributed, finite-element approach. Thanks to this accurate numerical tool, after detailed calibration and validation, quantitative interpretations can be drawn from the groundwater model results. Considering IPCC climate change scenarios, the integrated approach was applied to evaluate the impact of climate change on the water cycle in the Geer basin in Belgium. The groundwater model is described in detail, and results are discussed in terms of climate change impact on the evolution of groundwater levels and groundwater reserves. From the modelling application on the Geer basin, it appears that, on a pluriannual basis, most tested scenarios predict a decrease in groundwater levels and reserves in relation to variations in climatic conditions. However, for this aquifer, the tested scenarios show no enhancement of the seasonal changes in groundwater levels. [less ▲]

Detailed reference viewed: 121 (27 ULg)