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See detailComparison between wind speed observed at 100m height and wind speeds simulated by the WRF and MAR models
Doutreloup, Sébastien ULg; Fettweis, Xavier ULg; Erpicum, Michel ULg et al

Poster (2014, June 06)

In the context of FLEXIPAC project funded by "RELIABLE" program of Walloon Region (Belgium), the Laboratory of Climatology and Topoclimatology (LCT) of the University of Liège (Belgium) aims to adjust the ... [more ▼]

In the context of FLEXIPAC project funded by "RELIABLE" program of Walloon Region (Belgium), the Laboratory of Climatology and Topoclimatology (LCT) of the University of Liège (Belgium) aims to adjust the WRF regional model (v.3.4.) forced by ERA-Interim model. Our analysis shows that wind speeds at 100m height simulated by WRF are systematically overestimated compared to wind speeds extracted from wind productions of two wind farms. In order to identify this problem, four comparisons were performed in this contribution. Firstly, we compare WRF model with reanalysis based forcing model. Secondly, we compare two WRF simulations, where one of them has a more precise spatial resolution. Thirdly, we smooth WRF outputs in time (6-hr running mean) in order to study the accuracy of the 30-min variability generated by WRF model. Finally, we comp compare the WRF model with the MAR (v3.3.) regional model using the same forcing at its lateral boundaries. This last one seems to suggest that the MAR model better simulates wind speeds at 10m and at 100m than WRF model and then that wind speed underestimation by WRF is well linked to the WRF physics itself. [less ▲]

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See detailLa bonne gouvernance urbaine est-elle utile ? Exploiter un concept équivoque
Breuer, Christophe ULg; Halleux, Jean-Marie ULg

Poster (2013, November 26)

La bonne gouvernance est un concept construit et équivoque, qui renvoie aux paradigmes sociétaux et transcrit en l'espèce plusieurs tendances contradictoires. Dans le champ des études urbaines, il est ... [more ▼]

La bonne gouvernance est un concept construit et équivoque, qui renvoie aux paradigmes sociétaux et transcrit en l'espèce plusieurs tendances contradictoires. Dans le champ des études urbaines, il est exploité politiquement pour infléchir des tendances et imprimer une réorganisation des acteurs. Cette communication examine deux questions centrales : comment les villes intègrent-elles le concept de bonne gouvernance et quels en sont les impacts ; comment le concept peut-il être exploité par les chercheurs en sciences urbaines. [less ▲]

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See detailOrganiser les entités territoriales wallonnes en structures porteuses de projets et de solidarité pour répondre aux besoins (Dynamique "Horizon 2022" : Mobilisation du territoire, les communautés de territoire et leur organisation)
Breuer, Christophe ULg; Hanin, Yves

Report (2013)

Le rapport trace les enjeux d'une réorganisation du territoire wallon autour d'une nouvelle structuration infrarégionale de l'espace régional. Il dresse succinctement l'évolution récente des coopérations ... [more ▼]

Le rapport trace les enjeux d'une réorganisation du territoire wallon autour d'une nouvelle structuration infrarégionale de l'espace régional. Il dresse succinctement l'évolution récente des coopérations supracommunales et interrégionales, notamment autour des villes. [less ▲]

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See detailValoriser les recherches du Groupe de Recherches Aériennes du Sud belge. Mise en oeuvre d'un site internet collaboratif de diffusion et d'interprétation.
Breuer, Christophe ULg

Scientific conference (2012, August 26)

L'archéologie aérienne est à un tournant stratégique de son évolution. Confrontée à l'émergence de nouvelles technologies bouleversant la discipline, celle-ci doit proposer des outils innovants pour ... [more ▼]

L'archéologie aérienne est à un tournant stratégique de son évolution. Confrontée à l'émergence de nouvelles technologies bouleversant la discipline, celle-ci doit proposer des outils innovants pour pérenniser les bases de données photographiques et transformer cette information originale en connaissance scientifique. L'article présente un projet pilote du Groupe de Recherche Aérienne du Sud Belge qui souhaite mettre en œuvre une plateforme collaborative de diffusion et d'interprétation des clichés. [less ▲]

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See detailL'intelligence territoriale appliquée au service de la Province de Liège
Breuer, Christophe ULg; Marek, Allyson ULg; Devillet, Guénaël ULg

Report (2012)

Actes du colloque "Comment être acteur du développement de sa région ? : Un colloque international sur le thème de l’intelligence territoriale " (1) Nouvelle culture du développement (2) Outils et ... [more ▼]

Actes du colloque "Comment être acteur du développement de sa région ? : Un colloque international sur le thème de l’intelligence territoriale " (1) Nouvelle culture du développement (2) Outils et méthodes pour l’observation territoriale (3) Pistes d’actions concrètes pour tout territoire (4) Une appropriation indispensable par les acteurs [less ▲]

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See detailTerritorial observation (T3) - Discussion report
Breuer, Christophe ULg

Conference (2011)

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See detailDiversity of governance in European cities: towards an indicators-based analysis of good governance?
Breuer, Christophe ULg

Conference (2011)

Nowadays, the attractiveness of cities and metropolitan areas seems to be a central challenge for competitiveness, territorial cohesion and economic development on a European and regional scale (European ... [more ▼]

Nowadays, the attractiveness of cities and metropolitan areas seems to be a central challenge for competitiveness, territorial cohesion and economic development on a European and regional scale (European Commission, 2009). The interest carried by actors of territorial development on large urban areas and metropolises is essentially explained by their relative weight in regional economies and their role of catalyst for sustainable development. In the absence of competitive cities, many experts estimate that territories cannot completely develop their socio-economic potential. This report is one of the bases of the strategy for city polycentric systems recommended by the development scheme of the European Community space (SDEC - European Commission, 1999), renewed in many strategic European “papers”. This strategy rose during the last decades whereas the dynamic affecting urban areas was strongly modified by the increase in mobility through two scales. On one hand, the intra-urban scale refers to processes of exurbanisation, urban sprawl, as well as functional and institutional fragmentation. On the other hand, the interurban scale has shown phenomenons of metropolisation and an increase in exchanges between cities. Cities changes, networks and urban hierarchies which result from this dynamic, apply new tensions on urban areas - in particular the biggest of them. Theses tensions have to be answered to avoid any loss of competitiveness. In this context, the ‘good governance’ of urban areas is often presented like an essential factor for their development. It is necessary to understand through the notion of “governance” the definition from Le Galès (1995) that is “a process of coordination of actors, social groups, and institutions to achieve clear goals discussed and defined collectively in split up environments”. Thus, cities governance (but also networks of cities) acts on the whole “city system” through all its complexity. The predominant role of governance generally takes the shape of a postulate, as well in the scientific world as in the active and political discourse. Nevertheless, the relation between the governance of urban areas/ cities/ metropolises and their absolute versus relative evolution in networks is not a subject for abundant theoretical studies nor empirical validations. Considering its rasing importance within territorial development policies, it must be clarified allowing a new and quantified highlight on strategies of most important urban areas. While general objectives of urban “good governance” are clearly identified in many documents, concrete impacts of governance on the urban development are ambiguous and unclear. In addition, the definition of “good governance” is regularly paradigm-oriented and often dedicated to the third world or emergent countries (as heritage of many international organisations politic which promotes development and trade efficiency). Furthermore, it appears that former studies on European and North-American cities are relatively factual and suggest a poor typology of the governance in urban areas. They are consequently not very useful for the development of a conceptual model that associates competitiveness of cities and urban governance. Consequently, our research aims at considering the impacts of governance on cities and metropolises through a set of “keys to understanding” theoretically based. We lead our work to a critical analysis of literature in order to highlight expected interactions between governance and urban territories. The construction of a conceptual scheme of interactions will allow the identification of useful indicators of governance. The identification of a set of indicators to measure governance characteristics is valuable for an objective analysis in this field of research. It should allow more precise analyses and the construction of typologies that include multi-dimensional sides of governance. We will focus our attention on European metropolises and cities systems taking into account European specificities of towns, territories and political contexts. As described above, the study is based on reviewing the state-of-art of governance theories (transaction cost, path dependency, management efficiency, etc.) and on exploiting literature about cities competitiveness (characteristics of competitive cities, measurements...). Our conceptual development of a scheme of interactions between governance and urban territories will allow to deal with the issue of governance indicators. Our theory will be tested through samples of European cities (> 500.000 inhabitants). Existing databases will allow the processing of many indicators at the European scale. The choice of a set of indicators will be carried out on the basis of discriminating statistical analysis and conceptual model of interaction allowing the reduction of the variables number. The critical analysis will take into account papers from European Commission and national governments about “good governance” and “cities management”. [less ▲]

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See detailVoie romaine Arlon - Tongres, analyse géographique
Breuer, Christophe ULg

Learning material (2010)

Panneaux didactiques de présentation de la publication "Analyse géographique d'une voie romaine : la section d'Arlon à Tongres" pour l'exposition à la Seigneurie d'Anhaive (Jambes) pour la période du 30 ... [more ▼]

Panneaux didactiques de présentation de la publication "Analyse géographique d'une voie romaine : la section d'Arlon à Tongres" pour l'exposition à la Seigneurie d'Anhaive (Jambes) pour la période du 30 avril au 30 mai 2010. Réalisé dans le cadre de la remise du Prix Robert Beaujean 2009 géré par la Fondation Roi Baudouin. [less ▲]

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See detailLiège, Ville et Région, documents cartographiques (5è éd.)
Merenne-Schoumaker, Bernadette ULg; Breuer, Christophe ULg; Merenne, Émile

Learning material (2010)

Collection de cartes et de plans de Liège et sa région pour un usage didactique. Domaines couverts : géographie humaine, géographie physique, géographie historique.

Detailed reference viewed: 113 (24 ULg)
See detailCartographie promotionnelle pour Liege Airport
Breuer, Christophe ULg; Jaspard, Mathieu ULg; Devillet, Guénaël ULg et al

Cartographic material (2009)

Detailed reference viewed: 10 (1 ULg)
See detailTerritory knowledge (B1pc) - Discussion report
Breuer, Christophe ULg

Conference (2009)

Detailed reference viewed: 14 (0 ULg)
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See detailTerritorial reconversion and territorial knowledge: added-value of a territorial intelligence process in Flémalle (Belgium)
Breuer, Christophe ULg; Devillet, Guénaël ULg; Merenne-Schoumaker, Bernadette ULg

Conference (2009)

Our communication aims at spreading the participative approach implemented in Flémalle (“new governorship”), but also at discussing the contribution of the theorical and applied research undertaken within ... [more ▼]

Our communication aims at spreading the participative approach implemented in Flémalle (“new governorship”), but also at discussing the contribution of the theorical and applied research undertaken within the framework of the coordination action of the European Network of Territorial Intelligence for local projects (NTIC, participation, animation, analyzes….), the objective is to measure its added-value and transposability within territories of industrial tradition in a context of financial and temporal limitations. [less ▲]

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See detailPortal on institutional territorial indicators available on internet in Europe
Devillet, Guénaël ULg; Breuer, Christophe ULg; Ostir, K. et al

in territorial-intellingence.eu (2009)

Detailed reference viewed: 28 (4 ULg)