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See detailInforme de investigación (misión de septiembre 2005 a abril 2006): Los usos del territorio en la Vía Parque Isla de Salamanca (Colombia), un diagnóstico para el desarrollo ecoturístico.
Escobar Jimenez, Kelly ULg

Report (2006)

Analizar las posibilidades que existen en un Espacio Habitado de Alto Valor Ecológico (EHAVE) para proponer el ecoturismo como un tipo de desarrollo sostenible y participativo y como una forma de ... [more ▼]

Analizar las posibilidades que existen en un Espacio Habitado de Alto Valor Ecológico (EHAVE) para proponer el ecoturismo como un tipo de desarrollo sostenible y participativo y como una forma de valorización de la naturaleza y la cultura, requiere de un diagnóstico de los usos ancestrales y contemporáneos que las poblaciones locales hacen en el territorio. En la Vía Parque Isla de Salamanca las prácticas y los saberes de las poblaciones locales y de otros actores involucrados en el manejo del territorio pueden estar relacionadas o ir contraposición con la utilización turística del lugar, es por esta razón que intentamos conocerlas y mirar sus potencialidades culturales, sociales e institucionales, así como, analizar los escenarios de negociación y conflicto a los que se enfrenta un pretendido uso eco turístico del lugar. En este artículo se identifican tres usos del territorio que compiten con el uso turístico: subsistencia, investigación-conservación y explotación económica, cada uno de ellos es descrito y alternativamente relacionado con las actividades turísticas que se presentan en diferentes escenarios del parque natural que también son explicadas al detalle en la última sección del texto. [less ▲]

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See detailInforme de investigación (misión del 15 septembre 2005 al 15 avril 2006): los actores institucionales de la Vía Parque Isla de Salamanca en Colombia
Escobar Jimenez, Kelly ULg

Report (2006)

Los actores institucionales de un área protegida intervienen en su manejo, conservación, valorización y utilización por medio de acuerdos y disposiciones legales a nivel internacional, nacional, regional ... [more ▼]

Los actores institucionales de un área protegida intervienen en su manejo, conservación, valorización y utilización por medio de acuerdos y disposiciones legales a nivel internacional, nacional, regional y local. En este artículo se analizan las prácticas y discursos de la naturaleza que poseen los AI de la VIPIS con el fin de contribuir en primer lugar, a buscar el equilibrio entre las posibilidades de desarrollo turístico y la obligación de conservación del área natural; en segundo lugar, para elaborar un inventario de los esfuerzos inter-institucionales empleados en el manejo de la eco-región; y finalmente para vislumbrar las amenazas y fortalezas que representa esta dimensión en el desarrollo eco turístico de la VIPIS. Nuestra principal inquietud es responder a la pregunta: ¿existe un marco institucional y práctico para conservar y desarrollar el turismo en la VIPIS? esto con el objetivo de definir el entramado institucional en el que entran a actuar los interesados en este desarrollo alternativo del lugar. [less ▲]

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See detailInforme de relacion final del proyecto Fortaleciendo capacidades con el pueblo Mam para la gobernabilidad económica en agua y saneamiento
Estrada Orozco, Nick Kenner ULg

Report (2013)

El informe que a continuación se presenta tiene como finalidad exponer los resultados alcanzados en el marco de programa conjunto (PC) del sistema de las Naciones Unidas “Fortaleciendo capacidades con el ... [more ▼]

El informe que a continuación se presenta tiene como finalidad exponer los resultados alcanzados en el marco de programa conjunto (PC) del sistema de las Naciones Unidas “Fortaleciendo capacidades con el pueblo Mam para la gobernabilidad económica en agua y saneamiento” Este programa respondió a las prioridades del Gobierno de Guatemala, que propuso un “Gran Diálogo Nacional” para alcanzar acuerdos nacionales que se tradujeran en políticas descentralizadas, con una creciente participación ciudadana. [less ▲]

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See detailInfra-local level : accessibility and management of territorial information
Breuer, Christophe ULg; Devillet, Guénaël ULg

(2009)

This article deals with socio-economic and geographical data available for the local actors of the infra-communal level. The statistical data and cuttings are analyzed.

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See detailInfractions et sanctions d'urbanisme : trois questions d'actualité
Delnoy, Michel ULg

in Formation permanente CUP (1997), XVII

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See detailInfractions et sanctions d'urbanisme en Région wallonne : examen de quelques décisions récentes
Delnoy, Michel ULg

in Aménagement - Environnement (1997), 3

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See detailInfractions et sanctions d'urbanisme en Région wallonne : vers une nouvelle réforme ?
Delnoy, Michel ULg

in Journal des Tribunaux (2011), 6448

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See detailInfractions fiscales et blanchiment de capitaux : retour sur les évolutions récentes
Bourgeois, Marc ULg

in Van Molle, M. (Ed.) Blanchiment de capitaux et professions juridiques (2014)

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See detailInfrared (IR) capabilities of a modular multisensor flight simulator with application to enhanced and synthetic vision in aviation
Bonjean, Maxime E.; Schiefele, Jeff; Lapierre, Fabian D. et al

Conference (2005)

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See detailInfrared achromatic phase shifters using modulated total internal reflection
Mawet, Dimitri; Lenaerts, Cédric; Riaud, Pierre ULg et al

in Monnier, John D; Schöller, Markus; Danchi, William C (Eds.) Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series "Advances in Stellar Interferometry" - SPIE Conference 6268 (2006, July 01)

We propose a new family of achromatic phase shifters that uses the modulated total internal reflection (TIR) phenomenon. These components can be seen as enhanced Fresnel rhombs for infrared applications ... [more ▼]

We propose a new family of achromatic phase shifters that uses the modulated total internal reflection (TIR) phenomenon. These components can be seen as enhanced Fresnel rhombs for infrared applications like nulling interferometry and polarimetry. The TIR phenomenon comes with a differential phase shift between the polarization components of the incident light. Modulating the index transition at the TIR interface allows compensating for the intrinsic material dispersion in order to make the subsequent phase shift achromatic over broad bands. The modulation can be induced by a thin film of a well-chosen medium or a subwavelength grating whose parameters are specially optimized. We present results from theoretical simulations together with preliminary fabrication outcomes. [less ▲]

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See detailInfrared aperture photometry at ESO (1983-1994) and its future use.
van der Bliek, N. S.; Manfroid, Jean ULg; Bouchet, P.

in Astronomy and Astrophysics. Supplement Series (1996), 119

We describe the infrared (IR) photometric system for the single channel photometers at ESO, which have been used from 1983 until 1994. In addition to the broadband near infrared (NIR, 1-5μm) photometric ... [more ▼]

We describe the infrared (IR) photometric system for the single channel photometers at ESO, which have been used from 1983 until 1994. In addition to the broadband near infrared (NIR, 1-5μm) photometric system presented in 1991 by Bouchet et al. and Bersanelli et al., we describe a narrow-band NIR photometric system and a mid infrared (MIR, 7-20μm) photometric system. We also extend the set of NIR standard stars by Bouchet et al. towards fainter objects (K=~9). The photometric data of the standard stars in these systems were extracted from the complete IR photometric data archive of ESO, covering 10 years. The zeropoints of the NIR photometry are set by assuming that HR 3314 has a V-magnitude of 3.89, and that V-K=-0.05, J-K=-0.01, H-K=-0.01, K-L'=0.00, K-M=0.00. The zeropoints of the MIR photometry are set by assuming that the colours ofβ Hyi (HR 0098) and α CenA (HR 5459) are equal to the colours of the Sun. We adopt the absolute calibration of Megessier (1995A&A...296..771M) for the NIR and we argue that this calibration can be extrapolated to 20μm, using the MIR calibrations by Rieke et al. (1985AJ.....90..900R) and Cohen et al. (1992AJ....104.1650C). The definition of the zeropoints is consistent with the absolute calibration. We obtained accurate (Ï =~0.02mag.) NIR photometry of about 240 standard stars and MIR photometry of about 40 standard stars (Ï =~0.04mag). Comparison of our NIR photometric system with other well established systems shows that there are some small colour dependencies and zeropoint offsets which are always smaller than about 0.02mag. except for the L' band. [less ▲]

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See detailInfrared colours of star-forming galaxies and a flux calibration of ISOCAM ELAIS catalogues
Vaisanen, Petri; Morel, Thierry ULg

in Exploiting the ISO Data Archive. Infrared Astronomy in the Internet Age (2003, February 01)

We present J and K-band near-infrared photometry of a sample of ISOCAM sources detected by the European Large Area ISO-Survey (ELAIS). All of the high-reliability LW2 (6.7 μm) sources and 80 per cent of ... [more ▼]

We present J and K-band near-infrared photometry of a sample of ISOCAM sources detected by the European Large Area ISO-Survey (ELAIS). All of the high-reliability LW2 (6.7 μm) sources and 80 per cent of the LW3 (15 μm) sources are identified in the near-IR survey reaching K â 17.5 mag. The near- to mid-IR flux ratios can effectively be used to separate stars from galaxies in mid-IR surveys: at 6.7 μm, 80 per cent of the identified ELAIS objects are stars while at 15 μm 80 per cent are galaxies. The stars are then used to perform an accurate new calibration of the ELAIS ISOCAM data at both 6.7 and 15 μm: we adopt values of 1.23 and 1.05 ADU/gain/s/mJy for the LW2 and LW3 filters, respectively. The ISOCAM ELAIS survey is found to mostly detect strongly star-forming late-type galaxies. We show that near to mid-IR colour-colour diagrams can be used to further classify galaxies, as well as study star-formation. In a [15/2.2] vs. [6.7/2.2] plot the Hubble type of a galaxy can be roughly estimated from its position along the diagonal ([6.7/15] = 1) and the star-forming efficiency from a galaxys departure from the diagonal (eg. [6.7/15] <1). The ELAIS galaxies yield an average mid-IR flux ratio LW2/LW3 =0.67 ± 0.27. We discuss this [6.7/15] ratio as a star formation tracer using ISO and IRAS data of a local comparison sample. The [2.2/15] ratio is also found to be a good indicator of activity level in galaxies and conclude that the drop in the [6.7/15] ratio seen in strongly star-forming galaxies is a result of both an increase of 15 μm emission and an apparent depletion of 6.7 μm emission. [less ▲]

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See detailInfrared Detection and Characterization of Debris Disks, Exozodiacal Dust, and Exoplanets: The FKSI Mission Concept
Danchi, W. C.; Barry, R. K.; Lopez, B. et al

in Coudé du Foresto, Vincent; Gelino, Dawn; Ribas, Ignasi (Eds.) Pathways Towards Habitable Planets (2010, October 01)

The Fourier-Kelvin Stellar Interferometer (FKSI) is a mission concept for a nulling interferometer for the near-to-mid-infrared spectral region. FKSI is conceived as a mid-sized strategic or Probe class ... [more ▼]

The Fourier-Kelvin Stellar Interferometer (FKSI) is a mission concept for a nulling interferometer for the near-to-mid-infrared spectral region. FKSI is conceived as a mid-sized strategic or Probe class mission. FKSI has been endorsed by the Exoplanet Community Forum 2008 as such a mission and has been costed to be within the expected budget. The current design of FKSI is a two-element nulling interferometer. The two telescopes, separated by 12.5m, are precisely pointed (by small steering mirrors) on the target star. The two path lengths are accurately controlled to be the same to within a few nanometers. A phase shifter/beam combiner (Mach-Zehnder interferometer) produces an output beam consisting of the nulled sum of the target planet’s light and the host star’s light. When properly oriented, the starlight is nulled by a factor of 10[SUP]-4[/SUP], and the planet light is undiminished. Accurate modeling of the signal is used to subtract the residual starlight, permitting the detection of planets much fainter than the host star. The current version of FKSI with 0.5-m apertures and waveband 3-8 μm has the following main capabilities: (1) detect exozodiacal emission levels to that of our own solar system (Solar System Zodi) around nearby F, G, and K stars; (2) characterize spectroscopically the atmospheres of a large number of known non-transiting planets; (3) survey and characterize nearby stars for planets down to 2 R[SUB]earth[/SUB] from just inside the habitable zone and inward. An enhanced version of FKSI with 1-m apertures separated by 20 m and cooled to 40 K, with science waveband 5-15 μm, allows for the detection and characterization of 2 R[SUB]earth[/SUB] super-Earths and smaller planets in the habitable zone around stars within about 30 pc. [less ▲]

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See detailInfrared Electronic speckle pattern interferometry at 10 µm
Vandenrijt, Jean-François ULg; Georges, Marc ULg

in Osten, W.; Gorecki, C.; Novak, E. (Eds.) Optical Measurement Systems for Industrial Inspection V (2007, June)

Demonstration of electronic speckle pattern interferometry of opaque scattering objects at 10 µm wavelength using a commercial thermal-camera is presented for the first time to our knowledge. The idea of ... [more ▼]

Demonstration of electronic speckle pattern interferometry of opaque scattering objects at 10 µm wavelength using a commercial thermal-camera is presented for the first time to our knowledge. The idea of using a wavelength longer than the usual visible ones is to render such holographic displacement measurement techniques less sensitive to external perturbations. We have observed the rotation of a metallic plate and applied the phase-shifting technique for quantitative measurements [less ▲]

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See detailInfrared Holography
Georges, Marc ULg

Scientific conference (2014, April 11)

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See detailInfrared Imaging
Danchi, William; Lawson, Peter; Absil, Olivier ULg et al

in Lawson, P. R.; Traub, W. A.; Unwin, S. C. (Eds.) Exoplanet Community Report (2009)

A mid‐infrared mission would enable the detection of biosignatures of Earth‐like exoplanets around more than 150 nearby stars. The mid‐infrared spectral region is attractive for characterizing exoplanets ... [more ▼]

A mid‐infrared mission would enable the detection of biosignatures of Earth‐like exoplanets around more than 150 nearby stars. The mid‐infrared spectral region is attractive for characterizing exoplanets because contrast with the parent star brightness is more favorable than in the visible (10 million vs. 10 billion), and because mid‐infrared light probes deep into a planet’s troposphere. Furthermore, the mid‐infrared offers access to several strong molecular features that are key signs of life, and also provides a measure of the effective temperature and size of a planet. Taken together, an infrared mission plus a visible one would provide a nearly full picture of a planet, including signs of life; with a measure of mass from an astrometric mission, we would have a virtually complete picture. A small infrared mission would have several telescopes that are rigidly connected, with a science return from the detection and characterization of super‐Earth sized to larger planets near the HZ, plus a direct measure of the exozodi brightness in the HZ. In a large infrared mission, with formation‐flying telescopes, planets from an Earth‐twin and upwards in mass could be detected and characterized, as well as the exozodi. If proceeded by an astrometric mission, the detection phase could be skipped and the mission devoted to characterization, as in the visible case; lacking an astrometric mission, an infrared one could proceed alone, as was discussed for a visible coronograph, and with similar caveats. The technology needed for a large formation‐flying mission is similar to that for a small connected‐element one (e.g., cryogenics and detectors), with the addition of formationflying technology. The technology is now in hand to implement a probe‐scale mission; starlight suppression has even been demonstrated to meet the requirements of a flagship mission. However, additional development of formation‐flying technology is needed, particularly in‐space testing of sensors and guidance, navigation, and control algorithms. [less ▲]

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See detailInfrared Interferometric Gravity Darkening Observations of Vega with CHARA/FLUOR
Aufdenberg, J.; Mérand, A.; Coudé Du Foresto, V. et al

in Coudé du Foresto, Vincent; Rouan, Daniel; Rousset, Gérard (Eds.) Visions for Infrared Astronomy (2006, March)

We have obtained high-precision measurements of Vega at projected baselines between 103 m and 273 m with the CHARA Array using the (FLUOR) beam combiner in the K' band. A strongly gravity-darkened model ... [more ▼]

We have obtained high-precision measurements of Vega at projected baselines between 103 m and 273 m with the CHARA Array using the (FLUOR) beam combiner in the K' band. A strongly gravity-darkened model atmosphere is in general agreement with both our interferometric data and archival spectrophotometry. This model indicates that Vega is rotating at 91%ofitsangular break-uprateandthatthepole-to-equator effectivetemperaturedifference is 2250 K. [less ▲]

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See detailInfrared photometry and spectrophotometry of SN 1987A. I - March to October 1987 observations
Bouchet, P.; Slezak, E.; Le Bertre, T. et al

in Astronomy and Astrophysics. Supplement Series (1989), 80

IR (1-20 micron) observations, photometry, and narrow band spectrophotometry of SN 1987A obtained between March 16 and October 12, 1987, are presented. Variations of the bolometric luminosity are ... [more ▼]

IR (1-20 micron) observations, photometry, and narrow band spectrophotometry of SN 1987A obtained between March 16 and October 12, 1987, are presented. Variations of the bolometric luminosity are determined from IR and optical photometry. The spectral energy distribution, effective radius, and effective temperature of the hotter component are derived. Also, observations of hydrogen lines and CO emission are discussed. [less ▲]

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