F. Barlier

Géoazur

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Co-Authors

P. Exertier

Centre National de la Recherche Scientifique

R. Biancale

Centre National d'Études Spatiales

Christiane Berger

Aalborg University

Florent Deleflie

Institut de Mécanique Céleste et de Calcul des Éphémérides

Pascal Bonnefond

Université Paris Sciences et Lettres

G. Thuillier

Centre National de la Recherche Scientifique

Y. Boudon

Observatoire de la Côte d’Azur

G. Balmino

Centre National d'Études Spatiales

P. Schwintzer

Helmholtz Centre Potsdam - GFZ German Research Centre for Geosciences

Albert Bode

National Center for Supercomputing Applications

Cooperative Institutions

Centre National de la Recherche Scientifique

Sorbonne Université

Centre National d'Études Spatiales

Laboratoire d’Études en Géophysique et Océanographie Spatiales

Institut de physique du globe de Paris

Helmholtz Centre Potsdam - GFZ German Research Centre for Geosciences

Observatoire de la Côte d’Azur

Université Toulouse III - Paul Sabatier

Institut de Recherche pour le Développement

Université Paris Cité

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A New Three-Dimensional Thermospheric Model Based on Satellite Drag Data

F. Barlier Christiane Berger J. L. Falin G. Kockarts G. Thuillier

ABSTRACT Using satellite drag data a three-dimensional thermospheric model is developed in terms of spherical harmonics. The model gives total density, partial densities (He, O, N 2 ) and thermopause temperature as a function of solar and geomagnetic activity, local time, day of the year, altitude and latitude.

Local time

Geomagnetic latitude

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Citations (0)

Temperature and O/N2 ratio deduced from density scale heights at low latitudes near sunspot minimum - Temporal variations and asymmetrical features

Annales Geophysicae (1986)

Christiane Berger F. Barlier M. Ill

Sunspot

Solar minimum

Middle latitudes

Low latitude

Scale height

Source

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Citations (6)

Development of GRIM5 Earth's gravitational models

P. Schwintzer C. Reigber Albert Bode Thomas Gruber R. König

Source

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Citations (1)

Laser ranging data analysis for a colocation campaign of French Transportable Laser Ranging System (FTLRS) in Tahiti

Journal of Geodesy (2014)

X. Wang Pascal Bonnefond P. Exertier Florent Deleflie David Coulot

Ranging

Doris (gastropod)

Satellite laser ranging

Microsecond

10.1007/s00190-014-0755-3

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Citations (6)

Surveys in Geophysics (2001)

P. Exertier Pascal Bonnefond Joëlle Nicolas F. Barlier

10.1023/a:1015624418639

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Citations (9)

Laser-based validation of GLONASS orbits by short-arc technique

Journal of Geodesy (2001)

F. Barlier Christiane Berger Pascal Bonnefond P. Exertier O. Laurain

GLONASS

Orbit Determination

Retroreflector

Orbit (dynamics)

Satellite laser ranging

Orbital elements

10.1007/s001900100179

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Citations (9)

Seasonal variation of the atomic-oxygen concentration in the lower thermosphere

Journal of Geophysical Research Atmospheres (1971)

F. Barlier D. Perret C. Jaeck

The exospheric temperature can be deduced from incoherent-scatter measurements as well as from an analysis of the orbital decay of satellites. However, it appears that there are systematic differences that vary with season in the results obtained by the two methods. In this paper an interpretation of these differences is attempted by using static-diffusion models where the values of the atmospheric parameters are changed at 120 km. A seasonal model characterized by a maximum of oxygen concentration in winter is found to give a better agreement between the two types of observation and to confirm results found by several authors.

Atomic oxygen

Variation (astronomy)

Seasonality

10.1029/ja076i031p07797

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Citations (10)

Effects of thermosphere total density perturbations on LEO orbits during severe geomagnetic conditions (Oct–Nov 2003) using DORIS and SLR data

Advances in Space Research (2005)

Pascal Willis Florent Deleflie F. Barlier Y. Bar-Sever L.J. Romans

Doris (gastropod)

Orbit Determination

Orbit (dynamics)