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See detailCoronary heart disease: the MONICA-BELLUX Register
JeanJean, Michel; Krzesinski, Jean-Marie ULg; Wunsch, Guillaume

Conference (2012, December 05)

Background : Cardiovascular diseases contribute to 42% of overall mortality in the European Union. Over a third of deaths from CVD are from coronary heart disease and just over a quarter are from ... [more ▼]

Background : Cardiovascular diseases contribute to 42% of overall mortality in the European Union. Over a third of deaths from CVD are from coronary heart disease and just over a quarter are from cerebrovascular disease (stroke). Standardized death rates for heart disease have fallen dramatically in the last 25 years in Western Europe, both for men and for women. Multinational MONItoring of trends and determinants in CArdiovascular disease The MONICA Project : A major source of information on cardiovascular diseases established in the early 1980s under the auspices of WHO, to monitor trends in cardiovascular diseases and to relate these to risk factor changes over a ten year period. There were a total of 37 MONICA Collaborating Centres in 21 countries (including 29 populations in 16 European countries). The ten year data collection was completed in the late 1990s, though several Centres are still active today. Conclusions : CVD registers remain nevertheless an invaluable source for monitoring levels and trends in incidence and case fatality. Trends in incidence rates and in case fatality rates can significantly differ from one another. This situation requires better detection of individuals at risk. The intervention component of the BELLUX register is well-suited for this task. [less ▲]

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See detailGround-based remote sensing of tropospheric water vapour isotopologues within the project MUSICA
Schneider, M.; Barthlott, S.; Hase, F. et al

in Atmospheric Measurement Techniques (2012), 5(2012), 3007-3027

Within the project MUSICA (MUlti-platform remote Sensing of Isotopologues for investigating the Cycle of Atmospheric water), long-term tropospheric water vapour isotopologue data records are provided for ... [more ▼]

Within the project MUSICA (MUlti-platform remote Sensing of Isotopologues for investigating the Cycle of Atmospheric water), long-term tropospheric water vapour isotopologue data records are provided for ten globally distributed ground-based mid-infrared remote sensing stations of the NDACC (Network for the Detection of Atmospheric Composition Change). We present a new method allowing for an extensive and straightforward characterisation of the complex nature of such isotopologue remote sensing datasets. We demonstrate that the MUSICA humidity profiles are representative for most of the troposphere with a vertical resolution ranging from about 2 km (in the lower troposphere) to 8 km (in the upper troposphere) and with an estimated precision of better than 10%. We find that the sensitivity with respect to the isotopologue composition is limited to the lower and middle troposphere, whereby we estimate a precision of about 30‰ for the ratio between the two isotopologues HD16O and H216O. The measurement noise, the applied atmospheric temperature profiles, the uncertainty in the spectral baseline, and the cross-dependence on humidity are the leading error sources. We introduce an a posteriori correction method of the cross-dependence on humidity, and we recommend applying it to isotopologue ratio remote sensing datasets in general. In addition, we present mid-infrared CO2 retrievals and use them for demonstrating the MUSICA network-wide data consistency. In order to indicate the potential of long-term isotopologue remote sensing data if provided with a well-documented quality, we present a climatology and compare it to simulations of an isotope incorporated AGCM (Atmospheric General Circulation Model). We identify differences in the multi-year mean and seasonal cycles that significantly exceed the estimated errors, thereby indicating deficits in the modeled atmospheric water cycle. [less ▲]

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See detailREDI: budgets de référence pour une vie digne, une application web
Cornelis, Ilse; Peeters, Nele; Reynaert, Jean-François ULg et al

Report (2012)

En résumé, l’application web REDI permet d’utiliser un cadre de référence uniforme tout en calculant un budget adapté au bénéficiaire. En outre, cet outil peut être un guide pour obtenir un aperçu des ... [more ▼]

En résumé, l’application web REDI permet d’utiliser un cadre de référence uniforme tout en calculant un budget adapté au bénéficiaire. En outre, cet outil peut être un guide pour obtenir un aperçu des dépenses et revenus de la personne et a prouvé sa valeur éducative dans le cadre d’accompagnements individuels des clients. REDI peut contribuer à une plus grande prise de conscience sur le besoin d’uniformité existant au sein des CPAS auprès des assistants sociaux et des conseillers pour l’octroi de soutien financier supplémentaire. En outre, l’utilisation des budgets de référence contribue à ce que les assistants sociaux et conseillers comprennent mieux ce qui est nécessaire pour vivre dans la dignité, et participer pleinement à la vie en société. Espérons que sur le long terme, cela puisse modifier les politiques d’aide sociale et permettre une société plus inclusive. [less ▲]

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See detailENMG et expertise
WANG, François-Charles ULg

Conference (2012, December 04)

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See detailInitiation à ArcGIS - Travaux pratiques sur les Systèmes d'Information Géographique - SIG
Denis, Antoine ULg

Learning material (2012)

Introduction to ArcGIS (GIS) manual for beginners with data

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See detailFuture surface mass balance contribution of the Antarctic ice-sheet to sea level rise
Agosta, Cécile ULg; Fettweis, Xavier ULg; Krinner, Gerhard et al

Scientific conference (2012, December 04)

Most of the IPCC-AR4 global circulation models predict an increase of the Antarctic Surface Mass Balance (SMB) during the 21st century that would mitigate global sea level rise. High-resolution modeling ... [more ▼]

Most of the IPCC-AR4 global circulation models predict an increase of the Antarctic Surface Mass Balance (SMB) during the 21st century that would mitigate global sea level rise. High-resolution modeling is necessary to adequately capture the Antarctic SMB, that is why we present here a downscaling method leading to 15-km SMB resolution for century time-scales over Antarctica. Our first results show that a higher resolution induce at the same time more run-off but a significantly higher mitigation of sea level rise for the next centuries. [less ▲]

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See detailLiquidity Shocks and Global Imbalances
Artige, Lionel ULg

Conference (2012, December 04)

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See detailIntroduction aux théories de la perception du paysage
Vranken, Isabelle ULg

Speech (2012)

La perception du paysage est abordée sous l'angle de l'école behavioriste, plus particulièrement les travaux de Kevin Lynch en urbanisme sur l'image de la ville. Elle part du postulat que la perception de ... [more ▼]

La perception du paysage est abordée sous l'angle de l'école behavioriste, plus particulièrement les travaux de Kevin Lynch en urbanisme sur l'image de la ville. Elle part du postulat que la perception de l'environnement influence le comportement de l'individu qui y vit (le citoyen)et modifie à son tour son environnement. Ceci sert à dégager des principes d'aménagement du territoire pour plus de bien-être. La voirie joue un rôle central dans la perception de la ville, étant donné que c'est le point d'observation principal de celle-ci par les citoyens. Selon sa forme, ses accès et ses abords, ou encore l'organisation de l'écran construit, différents effets d'ambiance urbaine peuvent être ménagés. Dans ce paysage s'implantent les éléments principaux de la structure de la ville: limites, voies, noeuds, points de repère, quartiers. Leur organisation relative fait émerger les caractéristiques globales de la ville que sont la lisibilité et l'imagibilité. Ces techniques ont été utilisées et adaptées pour l'analyse de la ville de Lubumbashi et de l'Avenue Louise à Bruxelles. [less ▲]

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See detailRelationship between milk composition estimated from mid infrared and methane emissions in dairy cows
Kandel, Purna Bhadra ULg; Vanlierde, A; Dehareng, F et al

Scientific conference (2012, December 03)

N/A

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See detailLa réforme du master bioingénieur en Sciences et Technologies de l’Environnement par le biais des compétences
Debouche, Charles ULg

Scientific conference (2012, December 03)

Presentation of the method adopted to elaborate the referential of competences of the Master bioingénieur in Sciences and Technologies of the Environment and to reform the program of study of it

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See detailLa maladie périnéale chez l'enfant porteur d'une MICI
COIMBRA MARQUES, Carla ULg

Conference (2012, December 03)

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See detailChangement climatique 2012
Ozer, Pierre ULg

Scientific conference (2012, December 03)

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See detailSurvival analysis: finding relevant epistatic SNP pairs using Model- Based Multifactor Dimensionality Reduction
Van Lishout, François ULg; Vens, Céline; Urrea, Victor et al

Conference (2012, December 03)

Analyzing the combined effects of genes (and/or environmental factors) on the development of complex diseases is quite challenging, both from the statistical and computational perspective, even using a ... [more ▼]

Analyzing the combined effects of genes (and/or environmental factors) on the development of complex diseases is quite challenging, both from the statistical and computational perspective, even using a relatively small number of genetic and non-genetic exposures. Several data-mining methods have been proposed for interaction analysis, among them, the Multifactor Dimensionality Reduction Method (MDR). Model-Based Multifactor Dimensionality Reduction (MB-MDR), a relatively new dimensionality reduction technique, is able to unify the best of both nonparametric and parametric worlds, and has proven its utility in a variety of theoretical and practical settings. Until now, MB-MDR software has only accommodated traits that are measured on a binary or interval scale. Time-to-event data could therefore not be analyzed with the MB-MDR methodology. MB-MDR-3.0.0 overcomes this shortcoming of earlier versions. We show the added value of MB-MDR for censored traits by comparing the implemented strategies with more classical methods such as those based on a parametric regression paradigm. The simulation results are supplemented with an application to real-life data. [less ▲]

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See detailMicrolensing Binaries with Candidate Brown Dwarf Companions
Shin, I.-G.; Han, C.; Gould, A. et al

in Astrophysical Journal (2012), 760

Brown dwarfs are important objects because they may provide a missing link between stars and planets, two populations that have dramatically different formation histories. In this paper, we present the ... [more ▼]

Brown dwarfs are important objects because they may provide a missing link between stars and planets, two populations that have dramatically different formation histories. In this paper, we present the candidate binaries with brown dwarf companions that are found by analyzing binary microlensing events discovered during the 2004-2011 observation seasons. Based on the low mass ratio criterion of q < 0.2, we found seven candidate events: OGLE-2004-BLG-035, OGLE-2004-BLG-039, OGLE-2007-BLG-006, OGLE-2007-BLG-399/MOA-2007-BLG-334, MOA-2011-BLG-104/OGLE-2011-BLG-0172, MOA-2011-BLG-149, and MOA-201-BLG-278/OGLE-2011-BLG-012N. Among them, we are able to confirm that the companions of the lenses of MOA-2011-BLG-104/OGLE-2011-BLG-0172 and MOA-2011-BLG-149 are brown dwarfs by determining the mass of the lens based on the simultaneous measurement of the Einstein radius and the lens parallax. The measured masses of the brown dwarf companions are 0.02 ± 0.01 M [SUB]&sun;[/SUB] and 0.019 ± 0.002 M [SUB]&sun;[/SUB] for MOA-2011-BLG-104/OGLE-2011-BLG-0172 and MOA-2011-BLG-149, respectively, and both companions are orbiting low-mass M dwarf host stars. More microlensing brown dwarfs are expected to be detected as the number of lensing events with well-covered light curves increases with new-generation searches. [less ▲]

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See detailCassini UVIS observations of Titan nightglow spectra
Ajello, Joseph M.; West, Robert A.; Gustin, Jacques ULg et al

in Journal of Geophysical Research. Space Physics (2012), 117

In this paper we present the first nightside EUV and FUV airglow limb spectra of Titan showing molecular emissions. The Cassini Ultraviolet Imaging Spectrograph (UVIS) observed photon emissions of Titan's ... [more ▼]

In this paper we present the first nightside EUV and FUV airglow limb spectra of Titan showing molecular emissions. The Cassini Ultraviolet Imaging Spectrograph (UVIS) observed photon emissions of Titan's day and night limb-airglow and disk-airglow on multiple occasions, including during an eclipse observation. The 71 airglow observations analyzed in this paper show EUV (600-1150 Å) and FUV (1150-1900 Å) atomic multiplet lines and band emissions arising from either photoelectron induced fluorescence and solar photo-fragmentation of molecular nitrogen (N[SUB]2[/SUB]) or excitation by magnetosphere plasma. The altitude of the peak UV emissions on the limb during daylight occurred inside the thermosphere at the altitude of the topside ionosphere (near 1000 km altitude). However, at night on the limb, a subset of emission features, much weaker in intensity, arise in the atmosphere with two different geometries. First, there is a twilight photoelectron-excited glow that persists with solar depression angle up to 25-30 degrees past the terminator, until the solar XUV shadow height passes the altitude of the topside ionosphere (1000-1200 km). The UV twilight glow spectrum is similar to the dayglow but weaker in intensity. Second, beyond 120° solar zenith angle, when the upper atmosphere of Titan is in total XUV darkness, there is indication of weak and sporadic nightside UV airglow emissions excited by magnetosphere plasma collisions with ambient thermosphere gas, with similar N[SUB]2[/SUB] excited features as above in the daylight or twilight glow over an extended altitude range. [less ▲]

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