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Alexandre Roy, Alain Royer, Olivier St-Jean-Rondeau, Benoit Montpetit, Ghislain Picard, Alex Mavrovic, Nicolas Marchand, Alexandre Langlois. (2016). Microwave snow emission modeling uncertainties in boreal and subarctic environments (Vol. 10).
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B. Montpetit, A. Royer, A. Roy, A. Langlois. (2018). In-situ passive microwave emission model parameterization of sub-arctic frozen organic soils (Vol. 205).
Keywords: Frozen soil Passive microwave radiometry Snow radiometry Soil reflectivity model
Programme: 1073
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L. Abe, J.-P. Rivet, A. Agabi, E. Aristidi, D. Mekarnia, I. Goncalves, T. Guillot, M. Barbieri, N. Crouzet, F. Fressin, F.-X. Schmider, Y. Fantei-Caujolle, J.-B. Daban, C. Gouvret, S. Peron, P.-Y. Petit, A. Robini, M. Dugue, E. Bondoux, T. Fruth, A. Erikson, H. Rauer, F. Pont, A. Alapini, S. Aigrain, J. Szulagyi, P.-E. Blanc, A. Le Van Suu. (2012). Two years of polar winter observations with the ASTEP400 telescope (Vol. 8444).
Abstract: The ASTEP program is dedicated to exo-planet transit search from the Concordia Station located at Dome C, Antarctica. It comprises two instruments: a fixed 10cm refractor pointed toward the celestial South Pole, and a 400mm Newton telescope with a 1x1 degree field of view. This work focuses on the latter instrument. It has been installed in November 2009, and has been observing since then during the two polar winters 2010 and 2011. After presenting the main science observing programs, we review the telescope installation, performance, and describe its operating conditions as well as the data reduction and handling strategy. The resulting lightcurves are generally very stable and of excellent quality, as shown by continuous observations of WASP-19 that we present here.
Programme: 1066
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. (2012). MOA 2010-BLG-477Lb: CONSTRAINING THE MASS OF A MICROLENSING PLANET FROM MICROLENSING PARALLAX, ORBITAL MOTION, AND DETECTION OF BLENDED LIGHT (Vol. 754).
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. (2014). (Vol. 126).
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. (2021). TOI-1231 b: A Temperate, Neptune-sized Planet Transiting the Nearby M3 Dwarf NLTT 24399 (Vol. 162).
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. (2021). The ? Pictoris b Hill sphere transit campaign – I. Photometric limits to dust and rings (Vol. 648).
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. (2021). Precise Transit and Radial-velocity Characterization of a Resonant Pair: The Warm Jupiter TOI-216c and Eccentric Warm Neptune TOI-216b (Vol. 161).
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. (2020). Holocene dynamics of the southern westerly winds over the Indian Ocean inferred from a peat dust deposition record (Vol. 231). Bachelor's thesis, , .
Keywords: Amsterdam Island Anthropogenic activities Dust sources Peat Southern westerly winds
Programme: 1065,1133
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. (2014). A double continuum hydrological model for glacier applications (Vol. 8).
Abstract: The flow of glaciers and ice streams is strongly influenced by the presence of water at the interface between ice and bed. In this paper, a hydrological model evaluating the subglacial water pressure is developed with the final aim of estimating the sliding velocities of glaciers. The global model fully couples the subglacial hydrology and the ice dynamics through a water-dependent friction law. The hydrological part of the model follows a double continuum approach which relies on the use of porous layers to compute water heads in inefficient and efficient drainage systems. This method has the advantage of a relatively low computational cost that would allow its application to large ice bodies such as Greenland or Antarctica ice streams. The hydrological model has been implemented in the finite element code Elmer/Ice, which simultaneously computes the ice flow. Herein, we present an application to the Haut Glacier d'Arolla for which we have a large number of observations, making it well suited to the purpose of validating both the hydrology and ice flow model components. The selection of hydrological, under-determined parameters from a wide range of values is guided by comparison of the model results with available glacier observations. Once this selection has been performed, the coupling between subglacial hydrology and ice dynamics is undertaken throughout a melt season. Results indicate that this new modelling approach for subglacial hydrology is able to reproduce the broad temporal and spatial patterns of the observed subglacial hydrological system. Furthermore, the coupling with the ice dynamics shows good agreement with the observed spring speed-up.
Programme: 1053
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