Development of a high precision thermal infrared field radiometer 
C. P1ETRAS (1), N. ABUHASSAN (2), M. HAEFFELIN (1), G. BROGNIEZ (I), 
M. LEGRAND (1), J.-P. BUIS (3). (1) Laboratoire d’Optique Atmosphérique, Université des 
Sciences et Technologies de Lille, Villeneuve-d’Ascq, France. (2) Centre CNRS de Recherche 
Géophysique, Garchy, France. (3) Société Cl MEL, Paris, France 809 
Computation and use of the reflectivity AT 3.75 p.M from AVHRR thermal channels 
J.-C. ROGER and E.-F. VERMOTE (NASA/Goddard Space Flight Center 
Code 923, Greenbelt, USA) 817 
Thermal IR remote sensing of atmospheric transmittance and water vapor from AVHRR data 
J.-A. SOBRINO (1), Z.-L. LI (2), F. BECKER (2) and V. CASELLES (1) 
(1) University of Valencia, Department of Thermodynamics, Burjassot, Spain. 
(2) GSTS/LSIT/ENSPS, Strasbourg, France 825 
THEME VII : Télédétection active par laser et fluorescence 
Laser active remote sensing and fluorescence 
Remote monitoring of vegetation by spectral measurements and multi-colour fluorescence imaging 
M. ANDERSON, H. EDNER, J. JOHANSSON, P. RAGNARSON, S. SVANBERG 
and E. WALLINDER (Department of Physics, Lund Institute 
of Technology, Lund, Sweden) 835 
Lidar fluorescent monitoring in the sea : remote implementation of laser spectroscopy 
A.-M. CHEKALYUK and M.-Yu. GORBUNOV (1) (Moscow State University, 
Dept, of Physics [(1) Dept, of Chemistry], Moscow, Russia) 843 
Measurement of the fluorescence of crop residues : A tool for controlling soil erosion 
C.-S.-T. DAUGHTRY (1), J.-E. McMURTREY III (I), E.-W. CHAPPELLE (2) 
and W.-J. HUNTER (3). (1) USDA ARS Remote Sensing Research Lab., Beltsville, USA. 
(2) NASA/Goddard Space Flight Center, Greenbelt, USA. (3) USDA ARS 
Soil-Plant-Nutrient Research luxb., Fort Collins, USA 855 
Remote sensing of plant canopies by active laser measurements 
of time resolved chlorophyll fluorescence 
I. MOYA (1), Y. GOULAS (I), Z. CEROVIC (I), J.-M. BRIANTAIS (2), 
L. CAMENEN (3), G. GUYOT (3) and G. SCHMUCK (4) 
(I ) LURE, CNRS, University of Paris XI, Or say, France. (2) Ecophysiology, CNRS, 
URA 1492, University of Paris XI, Orsay, France. (3) Bioclimatology - INRA, 
Avignon, France. (4) CEC-JRC, Institute of Remote Sensing Applications. Ispra, Va, Italy 863 
The ENEA lidar fluorosensor : results of laboratory experiments on phytoplankton 
R. BARBINI, F. COLAO, R. FANTONI, R. GUARINI, A. PALUCCI, S. RIBEZZO 
(ENEA, Dipartimento Innovazione, Settore Elettroottica e Laser, Frascati RM, Italy), 
P. CARLOZZI, G. TORZILLO, E. PELOSI 
(CNR, Centro Studio Microorganismi Autotrofi, Firenze, Italy) 875 
Laboratory measurements on herbaceus species grown in controlled atmosphere 
by means of the ENEA lidar fluorosensor 
R. BARBINI, F. COLAO, R. FANTINI, R. GUARINI, A. PALUCCI, S. RIBEZZO (ENEA, 
Dipartimento Innovazione, Settore Elettroottica e Laser, Frascati RM, Italy), G. LORENZINI, 
N. PUCCI (Dip. Coltivazione e Difesa Specie Legnose, Univ. Pisa, Pisa, Italy), 
M. L1PUCCI DI PAOLA (Dip. Biologia Piante Agrarie, Univ. Pisa, Pisa, Italy) 883 
Utilisation de l’analyse temporelle du signal laser rétrodiffusé par un couvert végétal 
pour caractériser sa structure 
L. CAMENEN (1), Y. GOULAS (2), G. GUYOT (1), G. SCHMUCK (3) and I. MOYA (2) 
(!) INRA - i 
(3) J RC-1RS 
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L. CAMEN 
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Spectral and t 
Z.-G. CERC 
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Fluorescent di 
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