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Mesures physiques et signatures en télédétection

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fullscreen: Mesures physiques et signatures en télédétection

Monograph

Persistent identifier:: 830289488

Title:: Mesures physiques et signatures en télédétection

Sub title:: sixième symposium international ; actes ; 17 - 21 Janvier 1994, Val d'Isère, France; proceedings

Scope:: 1241 Seiten

Year of publication:: 1994

Place of publication:: [Paris]

Publisher of the original:: CNES, Centre National d'Etudes Spatiales

Identifier (digital):: 830289488

Illustration:: Illustrationen, Diagramme

Signature of the source:: RR 9911(6)

Language:: English; French

Additional Notes:: Literaturangaben

Other Title:: Paralleltitel: Physical measurements and signatures in remote sensing

Usage licence:: Attribution 4.0 International (CC BY 4.0)

Corporations:: Symposium International Mesures Physiques et Signatures en Télédétection, 6, 1994, Val-d'Isere; International Society for Photogrammetry and Remote Sensing, Working Group Fundamental Physics and Modeling

Adapter:: Symposium International Mesures Physiques et Signatures en Télédétection, 6, 1994, Val-d'Isere; International Society for Photogrammetry and Remote Sensing, Working Group Fundamental Physics and Modeling

Founder of work:: Symposium International Mesures Physiques et Signatures en Télédétection, 6, 1994, Val-d'Isere; International Society for Photogrammetry and Remote Sensing, Working Group Fundamental Physics and Modeling

Other corporate:: Symposium International Mesures Physiques et Signatures en Télédétection, 6, 1994, Val-d'Isere; International Society for Photogrammetry and Remote Sensing, Working Group Fundamental Physics and Modeling

Publisher of the digital copy:: Technische Informationsbibliothek Hannover

Place of publication of the digital copy:: Hannover

Year of publication of the original:: 2015

Document type:: Monograph

Collection:: Earth sciences

Chapter

Title:: THEME V DOMAINE OPTIQUE: EFFETS DIRECTIONNELS ET POLARIMETRIQUES. OPTICAL DOMAIN: POLARIMETRIC AND DIRECTIONAL EFFECTS

Document type:: Monograph

Structure type:: Chapter

Chapter

Title:: SHORTWAVE RADIATIVE BUDGET OF SAHELIAN VEGETATION DURING HAPEX-SAHEL EXPERIMENT. RESULTS OF MEASUREMENT AND MODELING. A. BEGUE, J.L. ROUJEAN, N.P. HANAN, S.D. PRINCE, WJ.D. VAN LEEUWEN, A.R. HUETE, J. DUNCAN, J. FRANKLIN

Document type:: Monograph

Structure type:: Chapter

Mesures physiques et signatures en télédétection
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Title page
Title page
TABLE DES MATIERES. CONTENTS
COMITÉ SCIENTIFIQUE. SCIENTIFIC COMMITTEE
INTRODUCTION. Gérard GUYOT
INTRODUCTION. Gérard GUYOT
THEME I TRAITEMENTS DE PREPARATION DES DONNEES. DATA PRE-PROCESSING
DIRECT AND INDIRECT METHODS FOR CORRECTING THE AEROSOL EFFECT ON REMOTE SENSING. Yoram J. Kaufman and Didier Tanré
COMPOSITING REFLECTANCES MEASURED FROM SPACE FOR VEGETATION MONITORING. Marc LEROY
ESTIMATION OF SURFACE REFLECTANCES AND VEGETATION INDEX USING NOAA / AVHRR : METHODS AND RESULTS AT GLOBAL SCALE. B. BERTHELOT, G. DEDIEU, F. CABOT, and S. ADAM.
MONITORING NOAA/AVHRR AND METEOSAT SHORTWAVE BANDS CALIBRATION AND INTER CALIBRATION OVER STABLE AREAS. Cabot F., Dedieu G. and P. Maisongrande
IN FIELD CHARACTERIZATION OF SAHARIAN SITES REFLECTANCE PROPERTIES FOR THE CALIBRATION OF OPTICAL SATELLITE SENSORS. H. Cosnefroy, X. Briottet, M. Leroy, P. Lecomte, and R. Santer
COMPARISON OF DIFFERENT ATMOSPHERIC CORRECTION ALGORITHMS WITH THE ATSR/ERS-1 INFRARED RADIOMETER. C. FRANÇOIS and C. OTTLE.
ESTIMATION DE LA FONCTION DE TRANSFERT DE MODULATION DU CAPTEUR NOAA11-AVHRR DANS LES DOMAINES DU VISIBLE ET DU PROCHE-INFRAROUGE. X. F. GU, G. GUYOT, P. CLASTRE, J.P. GUINOT
MULTI-BAND AUTOMATIC SUN AND SKY SCANNING RADIOMETER SYSTEM FOR MEASUREMENT OF AEROSOLS. B.N. HOLBEN, T.F. ECK, I. SLUTSKER, D. TANRÉ, J.P. BUIS, A. SETZER, E. VERMOTE, J. A. REAGAN, Y.A. KAUFMAN
COMPARISON OF FOREST / NON-FOREST CLASSIFICATION IN RAW AND GEOMETRICALLY CORRECTED IMAGES OF AN ILLUMINATION CORRECTED SPOT DATA SET. TOBIAS W. KELLENBERGER, STEFAN SANDMEIER, KLAUS I. ITTEN
Improving Ndvi Time-series Using Imposed Threshold on Irt, Ir and Visible Values (INTUITIV) : A method for reducing cloud contamination and noise in NDVI time-series over tropical and sub-tropical regions. P. LOUDJANI, F. CABOT, V. GOND, and N. VIOVY
A PSEUDO-5S CODE FOR THE ATMOSPHERIC CORRECTION OF ATSR-2 VISIBLE AND NEAR-INFRARED LAND-SURFACE DATA. G. MACKAY, M.D. STEVEN, J.A. CLARK
GEOMETRIC AND RADIOMETRIC PREPROCESSING OF AIRBORNE VISIBLE/ INFRARED IMAGING SPECTROMETER (AVIRIS) DATA IN RUGGED TERRAIN FOR QUANTITATIVE DATA ANALYSIS. PETER MEYER, ROBERT O. GREEN, KARL STAENZ, KLAUS I. ITTEN
A HYPERTEXT-BASED TRAINING APPLICATION ON THE ACCURACY AND PRECISION OF FIELD SPECTROSCOPY. E.J. Milton, E.M. Rollin and A.More
TWO-VIEW, SINGLE-CHANNEL ATMOSPHERIC CORRECTION FOR ATSR-2. P.R, NORTH, S.A. BRIGGS, SE. PLUMMER, JJ. SETTLE
ON CURRENT COMPOSITING ALGORITHMS. J. Qi, Y. Kerr
Biophysical indices from ATSR-2. Geneviève Rondeaux, Mike Steven, Jerry Clark
DATA PRE-PROCESSING: STRATOSPHERIC AEROSOL. PERTURBING EFFECT ON THE REMOTE SENSING OF VEGETATION: CORRECTION METHOD FOR THE COMPOSITE NDVI AFTER THE PINATUBO ERUPTION. E. VERMOTE, N. EL SALEOUS, Y. J. KAUFMAN AND E. DUTTON
ATMOSPHERIC CORRECTION OF LANDSAT TM THERMAL BAND USING SURFACE ENERGY BALANCE. Alain VIDAL, Claire DEVAUX-ROS, M. Susan MORAN
THE BUILDING OF RADIOMETRIC CALIBRATION TEST SITE FOR SATELLITE SENSORS IN CHINA. Daogang WU, Yonghao ZHU, Zhimin WANG, Bangjun GE, Yonglong YIN
ESTIMATION DE L'ÉPAISSEUR OPTIQUE DES AÉROSOLS A PARTIR DE LA MESURE DE L'ÉCLAIREMENT SPECTRAL GLOBAL. J.ZULLO Jr., X.F.GU et G.GUYOT
THEME II HAUTE RESOLUTION SPECTRALE DANS LE SPECTRE SOLAIRE. HIGHT SPECTRAL RESOLUTION IN THE SOLAR SPECTRUM
MODEL INVERSION TO RETRIEVE CANOPY CHARACTERISTICS FROM HIGH SPECTRAL RESOLUTION DATA. F. Baret and S. Jacquemoud, B. Andrieu, M. Danson, K. Jaggard
RADIATIVE TRANSFER CODE BASED ESTIMATION OF ATMOSPHERIC PARAMETERS FOR INVERSION OF IMAGING SPECTROMETER MEASURED RADIANCE TO APPARENT SURFACE REFLECTANCE. Robert O. Green
HIGH SPECTRAL RESOLUTION REMOTE SENSING OF CANOPY CHEMISTRY. Mary E. Martin and John D. Aber
STUDY ON SPECTRAL SIGNATURE AND DEVELOPMENT OF HYPERSPECTRAL REMOTE SENSING IN CHINA. Tong Qingxi
USE OF IMAGING SPECTROSCOPY DATA AS A PALEOTHERMOMETER MAPPING TOOL FOR THE STUDY OF HYDROTHERMAL ALTERATION AREAS SUCH AS CUPRITE, NEVADA, U.S.A. (Topic #2) Gregg Swayze, Roger N. Clark, and Fred Kruse
SPECTRAL ANALYSIS OF SATELLITE DATA AND THEIR ASSESSMENT BY DIFFRACTOMETRIC ANALYSIS. CASE OF SAMPLES OF A TEST ZONE OF THE SOUTH OF ALGERIA. A.BELHADJ-AISSA, Y.SMARA and P.BILDGEN
SEASONAL VARIATIONS IN THE SPECTRAL REFLECTANCE OF DECIDUOUS TREE CANOPIES: EVIDENCE FROM A TOWER-MOUNTED SPECTRORADIOMETER. G.A. Blackburn, E.J. Milton
HIGH-SPECTRAL RESOLUTION INDICES FOR FOREST LEAF AREA INDEX. F.M. DANSON, K.J. WINSTANLEY and A.M. STOCKS
THE RELATIONSHIP BETWEEN SPECTRAL REFLECTANCE, ABSORPTION AND BACKSCATTERING FOR FOUR INLAND WATER TYPES. Dekker, A.G., Hoogenboom, H.J., Goddijn, L.M. & Malthus, T.J.M.
INDICES SPECTRAUX POUR LA TELEDETECTION DE LA DEGRADATION DES MILIEUX NATURELS EN TUNISIE ARIDE. R ESCADAFAL, A. BELGHITH et H. BEN MOUSSA
FOREST CANOPY CHEMISTRY WITH HIGH SPECTRAL RESOLUTION - AN EVALUATION OF THE ATMOSPHERIC INFLENCE- Gastellu-Etchegorry J.P., Zagolski F., Mougin E., Marty G., Dubuisson P.
HIGH SPECTRAL RESOLUTION SPECTROSCOPY FOR MONITORING CORN GROWTH AT EFEDA SITE (SPAIN) M.A. GILABERT & J. MELIA
SIGNATURE ANALYSIS OF REFLECTANCE SPECTRA AND ITS APPLICATION FOR REMOTE OBSERVATIONS OF THE PHYTOPLANKTON DISTRIBUTION IN LAKE KINNERET. A, GITELSON, M. MAYO, AND Y. YACOBI
LIMITES DE L'UTILISATION DE LA HAUTE RESOLUTION SPECTRALE ET DES PARAMETRES SPECTRAUX, DANS LE VISIBLE ET LE PROCHE INFRAROUGE, POUR L'ETUDE DE LA VEGETATION. M.C. GUENEGOU, J.E. LEVASSEUR, C. ANSSEAU, C. PALMIER, C. LOISEL, M.F. COUREL
COMPARISON OF SEVERAL OPTIMIZATION METHODS TO EXTRACT CANOPY BIOPHYSICAL PARAMETERS - APPLICATION TO CAESAR DATA. S. JACQUEMOUD, S. FLASSE, J. VERDEBOUT, G. SCHMUCK
THE USE OF HIGH SPECTRAL RESOLUTION BANDS FOR ESTIMATING ABSORBED PHOTOSYNTHETICALLY ACTIVE RADIATION (Apar) Moon S. Kim, C. S. T. Daughtry, E. W. Chappelle, J. E. McMurtrey, and C. L. Walthall
TOWARDS REMOTE MAPPING OF ESTUARINE SEDIMENT TYPES AND SALT MARSH VEGETATION USING HIGH SPECTRAL RESOLUTION. J.M.M. KOKKE, S. VAN ZANTEN
REMOTE SENSING CONTRIBUTION TO THE STUDY OF SURFACE RADIATIVE PARAMETERS IN THE EFEDA AREA. E. LOPEZ-BAEZA & J. MELIA
Neural networks, Cross-correlation and Parameterisation : A Comparison of approaches to mineralogical mapping using imaging spectrometer data. S. MACKIN and S. A. BRIGGS, G. SIMPSON
SEMI EMPIRICAL-INDICES TO ASSESS CAROTENOIDS/CHLOROPHYLL a RATIO FROM LEAF SPECTRAL REFLECTANCE. J. PENUELAS, F. BARET, I. FILELLA
SPECTRAL VARIABILITY AND ANALYSIS PROCEDURES FOR HIGH RESOLUTION REFLECTANCE DATA. JOHN C. PRICE
PROCESSING OF HIGH SPECTRAL RESOLUTION REFLECTANCE DATA FOR THE RETRIEVAL OF BIOPHYSICAL INFORMATION. E.M. Rollin and EJ. Milton
THEME III HYPERFREQUENCES ACTIVES. ACTIVE MICROWAVES
DLR's EXPERIENCE IN RADIOMETRIC CALIBRATION OF AIRBORNE AND SPACEBORNE SAR SYSTEMS. M. Zink, F. Heel and H. Öttl
POTENTIEL DES DONNEES RADAR ERS1 POUR LA DETECTION DES SURFACES CONTRIBUTIVES AU RUISSELLEMENT DANS LES VIGNOBLES MEDITERRANEENS DU ROUSSILLON (FRANCE) A.COMPANY G.DELPONT S.GUILLOBEZ M.ARNAUD
SIMULATION DE LA REPONSE RADAR COMPLEXE D'UN PIXEL EN VUE D'ETUDIER LES VARIATIONS TEMPORELLES DE LA PHASE EN INTERFEROMETRIE. Pascale LEFORT, Jean-Paul RUDANT, Laurent POLIDORI, Ali BEDIDI, Bernard CERVELLE
USE OF ERS-1 WINDSCATTEROMETER FOR SURFACE CHARACTERISTICS STUDY ON SEMI-ARID AREAS. R. D. MAGAGI and Y. H. KERR
STUDY OF TERRESTRIAL ECOSYSTEMS AT A GLOBAL SCALE WITH ERS-1 WIND SCATTEROMETER DATA. Mougin E., Frison P.L., Lopes A, Proisy C., Lo Seen D.
SYSTEM STUDY OF A DUAL POLARIZED SPACEBORNE X-BAND SAR. H. Otti and K.H. Zeller
COMBINED USE OF THEORETICAL AND SEMI-EMPIRICAL MODELS OF RADAR BACKSCATTER TO ESTIMATE CHARACTERISTICS OF CANOPIES. Laurent PRÉVOT and Thomas SCHMUGGE
RADAR BACK SCATTERING OVER VARIOUS AGRICULTURAL BARE SOILS. L.Rakotoarivony, O.Taconet, M.Bcnallegue, D.Vidal-Madjar
THREE-FREQUENCY, POLARIMETRIC, AIRBORNE SAR OBSERVATIONS OF THE GREENLAND ICE SHEET. E. Rignot, J. J. van Zyl, K. Jezek.
ASSESSMENT OF ICE FLOWS IN GLACIERS OF WESTERN SPITSBERG USING DIFFERENTIAL INTERFEROMETRY. M. ROSSI
THEORETICAL MODELLING OF MULTI-FREQUENCY POLARIMETRIC RADAR IMAGERY OF CROPS. PJ. SAICH, P.A. WRIGHT, R.A. CORDEY & A. WIELOGORSKA
MEASUREMENT OF AERODYNAMIC ROUGHNESS USING RADAR BACKSCATTER OVER VEGETATED SURFACES. S. D. Wall, K. R. Rasmussen, and R. Greeley
IMPACT OF MICROWAVE DERIVED SOIL MOISTURE ON HYDROLOGIC SIMULATIONS USING A SPATIALLY DISTRIBUTED WATER BALANCE MODEL. D.-S. LIN, E. F. WOOD, J. S. FAMIGLIETTI, M. MANCINI
THEME IV HYPERFREQUENCES PASSIVES. PASSIVE MICROWAVES
LARGE AREA MAPPING OF SOIL MOISTURE USING THE ESTAR PASSIVE MICROWAVE RADIOMETER. T. J. Jackson, D. M. Le Vine, C. T. Swift, T. J. Schmugge
Microwave Radiometry of Snowpacks. Christian Mätzler and Thomas Weise
VEGETATION MODELS USED TO RETRIEVE GEOPHYSICAL PARAMETERS FROM PASSIVE MICROWAVE MEASUREMENTS. Jean-Pierre WIGNERON, Yann KERR, Frédéric BIARD, Nadine BRUGUIER
PRECIPITATION REMOTE SENSING BASED ON SPACE-BORNE MULTI-FREQUENCY MICROWAVE RADIOMETRY. P. BASILI, P. CIOTTI, F.S. MARZANO, N. PIERDICCA, M. ALBERTONE
USE OF SATELLITE MICROWAVE RADIOMETRY OVER SEMI-ARID AREAS. J.-C. Calvet, J.-P. Jullien, J. Noilhan and J.-P. Goutorbe
RADIOMETRIE MICRO-ONDE SUR DIVERS TYPES DE COUVERTS VEGETAUX: INFLUENCE DE L'HUMIDITE DU SOL. A. CHANZY, D. HABOUDANE, J.P. WIGNERON, J.C. CALVET, O. GROSJEAN
ETALONNAGE DU RADIOMETRE HYPERFREQUENCE PORTOS ET METHODE DE CORRECTION DE MESURES. O. GROSJEAN et A. SAND
USE OF SSM/I PASSIVE MICROWAVE DATA FOR THE STUDY OF ALPINE REGIONS. Daniel Hiltbrunner, Christian Mätzler
PHYSICAL MODELING OF MICROWAVE EMISSION FROM BARE SOILS. INTERCOMPARISON OF MODELS AND GROUND DATA. L. Laguerre, Suresh Raju, A. Chanzy, Y.H. Kerr, J.C. Calvet, JP. Wigneron
MICROWAVE EMISSIVITY OF PLANT CONSTITUENTS AT 37 GHZ. G. MACELLONI, S. PALOSCIA, P. PAMPALONI, R. RUISI and C. SUSINI
ESTIMATION OF TOTAL ATMOSPHERIC WATER VAPOUR CONTENT OVER OCEANS FROM ERS1/ATSR DATA. C. OTTLE, S. LE MAGUER, C. FRANÇOIS L. EYMARD and L . TABARY
MICROWAVE RADIOMETER OBSERVATIONS IN HAPEX-SAHEL. T.J. SCHMUGGE, Y. KERR
THEME V DOMAINE OPTIQUE: EFFETS DIRECTIONNELS ET POLARIMETRIQUES. OPTICAL DOMAIN: POLARIMETRIC AND DIRECTIONAL EFFECTS
DIRECTIONAL RADIANCE MEASUREMENTS: CHALLENGES IN THE SAMPLING OF LANDSCAPES. D.W. DEERING
OBSERVATIONS IN THE SOLAR SPECTRUM INTEREST FOR REMOTE SENSING PURPOSES. M.Herman and V. Vanderbilt
APPLICATION OF AI TECHNIQUES TO INFER VEGETATION CHARACTERISTICS FROM DIRECTIONAL REFLECTANCE(S) D.S. Kimes and J.A. Smith, P.A. Harrison, P.R. Harrison
VEGETATION CANOPY REFLECTANCE MODELING-RECENT DEVELOPMENTS AND REMOTE SENSING PERSPECTIVES. ALAN H. STRAHLER
DETECTION DES VARIATIONS DU TAUX DE MATIERE ORGANIQUE DE PARCELLES SOUS CULTURES INTENSIVES POUR UNE CARTOGRAPHIE DES RISQUES DE DEGRADATION DES SOLS. EVALUATION DE L'APPORT SPECIFIQUE DE LA BANDE MIR. D. Arrouays, C. King et I. Vion
SHORTWAVE RADIATIVE BUDGET OF SAHELIAN VEGETATION DURING HAPEX-SAHEL EXPERIMENT. RESULTS OF MEASUREMENT AND MODELING. A. BEGUE, J.L. ROUJEAN, N.P. HANAN, S.D. PRINCE, WJ.D. VAN LEEUWEN, A.R. HUETE, J. DUNCAN, J. FRANKLIN
Polarized Reflectance Angular Signatures from Surface and Airborne Measurements. François-Marie Bréon, and Didier Tanré
TEST OF SURFACE BIDIRECTIONAL REFLECTANCE MODELS WITH SURFACE MEASUREMENTS: RESULTS AND CONSEQUENCES FOR THE USE OF REMOTELY SENSED DATA. Cabot F., Qi J., Moran M. S. and G. Dedieu
A GEOMETRICAL MODEL OF SOIL BIDIRECTIONAL REFLECTANCE IN THE VISIBLE AND NEAR-INFRARED RANGE. J. CIERNIEWSKI, M. VERBRUGGHE
COMBINING DIRECTIONAL AND HIGH SPECTRAL RESOLUTION INFORMATION FROM OPTICAL REMOTE SENSING DATA FOR CROP GROWTH MONITORING. J.G.P.W. CLEVERS and H.J.C. van LEEUWEN
THE ESTIMATION OF LAI AND THE FRACTION OF PHOTOSYNTHETICALLY ACTIVE RADIATION ABSORBED BY CHLOROTIC CANOPIES USING SEMI-EMPIRICAL MODELS : A SENSITIVITY ANALYSIS. J. A. EASTWOOD
Characterization of Different Canopies from POLDER Polarization Measurements during La Crau 1991 Campaign. J.L. Deuzé, R. Santer, P. Lecomte
OCEAN COLOR REMOTE SENSING USING POLARIZATION PROPERTIES OF REFLECTED SUNLIGHT. R. FROUIN, E. POULIQUEN, F.-M. BREON
Polarization Properties of Snow and Clouds as Observed by the Airborne POLDER Instrument. P Goloub, M Herman, JL Deuzé, R Frouin
ADAPTATION OF A BIDIRECTIONAL REFLECTANCE MODEL INCLUDING THE HOT-SPOT TO AN OPTICALLY THIN CANOPY. J. Iaquinta & B. Pinty
A MULTISPECTRAL CANOPY REFLECTANCE MODEL. A. KUUSK
SURFACE REFLECTANCE ANGULAR SIGNATURES FROM AIRBORNE POLDER DATA. Marc Leroy, Francois-Marie Bréon and Frédéric Fontanari
INFLUENCE OF THE SKY RADIANCE DISTRIBUTION ON VARIOUS FORMULATIONS OF THE EARTH SURFACE ALBEDO. P. Lewis and M.J. Barnsley
THE ANGULAR VEGETATION INDEX: AN ATMOSPHERICALLY RESISTANT INDEX FOR THE SECOND ALONG TRACK SCANNING RADIOMETER (ATSR-2) S. E. PLUMMER, P. R. NORTH AND S. A. BRIGGS
EXTERNAL FACTOR CONSIDERATION IN VEGETATION INDEX DEVELOPMENT. J. Qi, Y. Kerr, and A. Chehbouni
BIDIRECTIONAL LEAF REFLECTANCE & TRANSMITTANCE OF STRESSED AND UNSTRESSED LEAVES. Sonia Rubie
FIRST DEVELOPMENT OF A GROUND-BASED INSTRUMENT TO RETRIEVE ATMOSPHERIC OPTICAL PARAMETERS AND SURFACE BRDF DURING THE HAPEX-SAHEL EXPERIMENT, NIGER 1992. A.K. WILSON
THEME VI INFRAROUGE THERMIQUE. THERMAL INFRARED
DIRECTIONAL INFRARED TEMPERATURE AND EMISSIVITY OF VEGETATION: MEASUREMENTS AND MODELS. J.M. Norman, S. Castello, and L.K. Balick
INFRARED MEASUREMENTS OF LAND SURFACE TEMPERATURE FROM SPACE AND THE EFFECTS OF VIEWING GEOMETRY. Dr Fred Prata
UTILISATION D'UNE MÉTHODE D'ÉTALONNAGE BASÉE SUR L'UTILISATION DE SUREACES NATURELLES POUR LA CORRECTION DES EFFETS ATMOSPHÉRIQUES SUR LES MESURES DE TEMPÉRATURE DE SURFACE DE LA MER BALTIQUE. Irina A. BYCHKOVA
ON THE USE OF RADIATIVE SURFACE TEMPERATURE TO ESTIMATE SENSIBLE HEAT FLUX OVER SPARSE SHRUBS IN NEVADA. Chehbouni A, W.D. Nichols, J. Qi, E.G. Njoku, Y.H. Kerr and F. Cabot
EMISSIVITY AND LAND SURFACE TEMPERATURE DETERMINATION FOR THE SPANISH AND SAHELIAN REGIONS. C. COLL, E. VALOR, V. CASELLES, C. BADENAS, and E. RUBIO
EVALUATION AND COMPARISON OF ATMOSPHERIC CORRECTION METHODS FOR THERMAL DATA MEASURED BY ERS1-ATSR, NOAA11-AVHRR, AND LANDSAT5-TM SENSORS. X. F. Gu, B. Seguin, J.F. Hanocq and J.P. Guinot
UTILISATION DE LA TEMPERATURE DE SURFACE SUR LA FORET DE PIN MARITIME DES LANDES (SUD-OUEST DE LA FRANCE): RESULTATS PRELIMINAIRES. J.P. Lagouarde, Y. Brunet, R.G.B. André, D. Montembault, G. Courrier
DEVELOPMENT OF A HIGH PRECISION THERMAL INFRARED FIELD RADIOMETER. C. PIETRAS, N. ABUHASSAN, M. HAEFFELIN, G. BROGNIEZ, M. LEGRAND, J.-P. BUIS
COMPUTATION AND USE OF THE REFLECTIVITY AT 3.75 [...]M FROM AVHRR THERMAL CHANNELS. J.C. ROGER and E. F. VERMOTE
THERMAL IR REMOTE SENSING OF ATMOSPHERIC TRANSMITTANCE AND WATER VAPOR FROM AVHRR DATA. J. A. SOBRINO, Z.-L. LI, F. BECKER and V. CASELLES
THEME VII TELEDETECTION ACTIVE PAR LASER ET FLUORESCENCE. LASER ACTIVE REMOTE SENSING AND FLUORESCENCE
REMOTE MONITORING OF VEGETATION BY SPECTRAL MEASUREMENTS AND MULTI-COLOUR FLUORESCENCE IMAGING. M. Andersson, H. Edner. J. Johansson, P. Ragnarson, S. Svanberg and E. Wallinder
LIDAR FLUORESCENT MONITORING IN THE SEA: REMOTE IMPLEMENTATION OF LASER SPECTROSCOPY. A.M. CHEKALYUK and M.Yu. GORBUNOV
MEASUREMENT OF THE FLUORESCENCE OF CROP RESIDUES: A Tool for Controlling Soil Erosion. C.S.T. Daughtry, J.E. McMurtrey III, E.W. Chappelle, and W.J. Hunter
REMOTE SENSING OF PLANT CANOPIES BY ACTIVE LASER MEASUREMENTS OF TIME RESOLVED CHLOROPHYLL FLUORESCENCE. I. MOYA, Y. GOULAS, Z. CEROVlC, J.M. BRIANTAIS, L. CAMENEN, G. GUYOT and G. SCHMUCK
THE ENEA LIDAR FLUOROSENSOR: RESULTS OF LABORATORY EXPERIMENTS ON PHYTOPLANKTON. R.BARBENI, F.COLAO, R.FANTONI, R.GUARINI, A.PALUCQ, S.RIBEZZO, P.CARLOZZI, G.TORZILLO, E. PELOSI
LABORATORY MEASUREMENTS ON HERBACEUS SPECIES GROWN IN CONTROLLED ATMOSPHERE BY MEANS OF THE ENEA LIDAR FLUOROSENSOR. R.BARBINI, F.COLAO, R.FANTONI, R.GUARINI1, A.PALUCQ, S.RIBEZZO, G.LORENZENI, N.PUCQ, M.LIPUCCI DI PAOLA
UTILISATION DE L'ANALYSE TEMPORELLE DU SIGNAL LASER RÉTRODIFFUSÉ PAR UN COUVERT VÉGÉTAL POUR CARACTÉRISER SA STRUCTURE. L. Camenen, Y. Goulas, G. Guyot ,G. Schmuck and I. Moya
UTILISATION D'UNE MAQUETTE 3D DE COUVERT VÉGÉTAL POUR LA VALIDATION D'UNE MÉTHODE DE DÉCONVOLUTION DES SIGNAUX DE FLUORESCENCE INDUITS PAR IMPULSION LASER. L. Camenen, Y. Goulas, I. Moya, G. Schmuck and G. Guyot
SPECTRAL AND TIME-RESOLVED ANALYSIS OF BLUE-GREEN FLUORESCENCE EMITTED BY PLANTS. Z. G. CEROVIC, F. MORALES & I. MOYA
PUMP-AND-PROBE LIDAR TECHNIQUE: NEW APPROACH TO ACTIVE BIOMONITORING OF SEA AND LAND. A.M. CHEKALYUK and M.Yu. GORBUNOV
FLUORESCENCE IMAGING TO QUANTIFY CROP RESIDUE COVER. C.S.T. Daughtry, J.E. McMurtrey III, and E.W. Chappelle
LASER-INDUCED FLUORESCENCE FROM IN VIVO CHLOROPHYLL: INTERPRETATION ASPECTS IN LIDAR REMOTE SENSING. M.Yu. GORBUNOV and A.M. CHEKALYUK
MEASUREMENTS OF LASER-INDUCED FLUORESCENCE DECAY AND REFLECTANCE OF PLANT CANOPIES. Y. GOULAS, L. CAMENEN, J.M. BRIANTAIS, G. SCHMUCK, I. MOYA, G. GUYOT
SENSING OF PLANTS USING THE LASER-INDUCED FLUORESCENCE IMAGING SYSTEM. M. Lang, H. K. Lichtenthaler, M. Sowinska, P. Summ, F. Heisel, J. A. Miehe and F. Tomasini
FLUORESCENT DIAGNOSTICS OF OIL POLLUTIONS: OIL IN FILM AND OIL DISPERSED IN WATER BODY. S.Patsayeva, V.Yuzhakov, V.Fadeev
SPECTRAL CHANGES OF LASER INDUCED CHLOROPHYLL FLUORESCENCE IN CROP LEAVES BY TEMPERATURE, AIR- POLLUTANTS AND GENETIC INHERITANCES. K. Takahashi, K. Mineuchi, H. Kobayashi, N. Sakurai, A. Komatsu, M. Takahashi, T. Nakamura, M. Koizumi and H. Kano
THEME VIII UTILISATION DES MESURES DE DETECTION. USE OF REMOTE SENSING DATA
UNDERSTANDING THE ECOSYSTEM DYNAMIC BEHAVIOR. WHAT IS THE POTENTIAL FOR SATELLITE DATA ASSIMILATION INTO FUNCTIONAL MODELS? A.FISCHER, L.KERGOAT, and E.MOUGIN
INTEGRATION OF REMOTE SENSING AND HYDROLOGIC MODELING THROUGH MULTI-DISCIPLINARY SEMIARID FIELD CAMPAIGNS: MONSOON'90, WALNUT GULCH'92, AND SALSA-MEX. M.S. MORAN, D.C. GOODRICH and W.P. KUSTAS
UNDERSTANDING THE BIOSPHERE FROM SPACE: STRATEGIES TO EXPLOIT REMOTE SENSING DATA. Michel M. Verstraete, Bernard Pinty, and Ranga Myneni
REMOTE SENSING OF FOREST ECOSYSTEM DYNAMICS: MEASUREMENTS AND MODELING. Darrel L. Williams, K. Jon Ranson, Robert G. Knox and Elissa R. Levine
Airborne and spaceborne multisensor remote sensing of snow with in situ measurements in the Alps. Preliminary results. B. Bourdelles, J.P. Dedieu, Y. Durand, S. Farley, M. Fily , Y. Page , C. Sergent, C. Roche, S. Vincent
ESTIMATING CROP WATER DEFICIENCY USING THE RELATION BETWEEN SURFACE MINUS AIR TEMPERATURE AND SPECTRAL VEGETATION INDEX. T. R. Clarke, M. S. Moran, Y. Inoue, and A. Vidal
SEASONAL BEHAVIOR OF CROP CANOPIES: LINKAGE OF FUNCTIONAL MODELS AND RADIOSITY. A.FISCHER and F.CABOT
CONSTRUCTION DE MODELES MULTISPECTRAUX POUR MILIEUX HETEROGENES : APPLICATION AU LAI. GREGOIRE H. Caroline, RAFFY Marcel
DEVELOPPEMENT D'UNE STATION DE TELEMETRIE LASER SUR SATELLITE DE HAUTE MOBILITE. W.GRUNSPAN, F.PIERRON, J-F MANGIN, M.KASSER, L.GOSSET
POTENTIALITES DES ANALYSES DE TEXTURE EN HAUTE RESOLUTION SPATIALE POUR LA CARACTERISATION DE PEUPLEMENTS FORESTIERS (Préparation des missions SPOT 5 et 6) Dominique GUYON, Jacques RIOM et Patrick MOREAU
ESTIMATING POTENTIAL AND ACTUAL DAILY TRANSPIRATION OF CROP CANOPIES FROM REMOTELY SENSED SPECTRAL DATA AND BASIC METEOROLOGICAL DATA - THEORY AND INITIAL TEST - Yoshio INOUE, M. Susan MORAN, and Paul J. PINTER JR.
THE AREA AND THE ORIENTATION ANGLES OF LEAVES IN MAIZE CANOPY FROM STEREOVISION. N. Ivanov, P. Boissard , M Chapron, P. Valéry
ROAD DUST AS AN INDICATOR FOR AIR POLLUTION TRANSPORT AND DEPOSITION. AN APPLICATION OF SPOT IMAGERY. J.Keller, R.Lamprecht
TOWARDS ASSIMILATION OF SATELLITE MEASUREMENTS IN A GENERIC VEGETATION PROCESS MODEL. L. KERGOAT and G. DEDIEU
EVALUATION SPATIALE DES RISQUES D'EROSION LE POTENTIEL DES DONNEES SPOT ET ERS1 SUR LES PAYSAGES AGRICOLES cas des sols limoneux du Nord de la France. KING Ch., MATHIEU R., LE BISSONNAIS Y., SOUADI T.
NOAA/AVHRR Vegetation Indices : Suitability for Monitoring Fractional Vegetation Cover of the Terrestrial Biosphere. C. Leprieur , M. M. Verstraete, B. Pinty & A. Chehbouni
COUPLING A REGIONAL ECOSYSTEM MODEL WITH PHYSICAL MODELS OF REFLECTIVITY - CASE OF SAHELIAN GRASSLANDS - Lo Seen D., Mougin E., Rambal S., Gaston A., Hiernaux P.
COMPARISON AT GLOBAL SCALE OF C02 CONCENTRATION MEASUREMENTS WITH RESULT OF A TERRESTRIAL BIOSPHERE MODEL DRIVEN BY REMOTE SENSING: SOME TEACHINGS ABOUT THE REQUIRED QUALITY OF SATELLITE DATA. By P. MAISONGRANDE, A. RUIMY, G. DEDIEU and B. SAUGIER
ASSIMILATION OF SATELLITE MEASUREMENTS IN SHORT WAVELENGTHS INTO PRODUCTION MODEL. TEST OF SEVERAL RADIATIVE TRANSFER MODELS. S.MOULIN, A. FISCHER and R. DELECOLLE
Modélisation des échanges d'énergie et de masse d'un couvert végétal, dans le but de relier la transpiration et la photosynthèse aux mesures de réflectance et de température de surface. Albert OLIOSO
QUANTIFICATION DE SURFACES, RESOLUTION SPATIALE ET ENSEMBLES FLOUS. M. RAFFY
ANALYSE DE LA DYNAMIQUE DE LA FORÉT BORÉALE À PARTIR DE L'INDICE DE VÉGÉTATION GLOBAL. ALAIN ROYER, KALIFA GOITA, COLETTE ANSSEAU
SIMULTANEOUS IMPLEMENTATION OF A SYNTHETIC APERTURE RADAR AND A HIGH-RESOLUTION OPTICAL IMAGER. AJ. SEPHTON, M. CROSS, I. GREEN, T. HÄME, K.-U. KOMP, P.J. MEADOWNS, H. ROTT, A. WIELOGORSKA AND M. RAST
USING OPTICAL-MICROWAVE SYNERGY FOR ESTIMATING SURFACE ENERGY FLUXES OVER SEMI-ARID RANGELAND. D.TROUFLEAU, A. VIDAL, A. BEAUDOIN, M.S. MORAN, M.A. WELTZ, D.C. GOODRICH, J. WASHBURN, A.F. RAHMAN
SYNERGY BETWEEN OPTICAL AND MICROWAVE REMOTE SENSING FOR CROP GROWTH MONITORING H.J.C. van LEEUWEN and J.G.P.W. CLEVERS
ESA/ESRIN Software Demonstration: AVHRR Data Production and Access From Acquisition to Delivery O. Arino, J-M Melinotte, A. Buongiorno and G. Pittella
Ionia "1Km" Net-Browser [...] F.Mungo, O.Arino, J-M Melinotte, Z. BjelogrIic
THEME IX SYSTEMES ET PROJETS FUTURS POUR L'OBSERVATION DE LA TERRE. FUTURE SYSTEMS AND PROJECTS FOR EARTH OBSERVATION
THE FRENCH SPACE PROGRAMME FOR EARTH OBSERVATION : SPACE MISSIONS FOR BIOSPHERE STUDIES Th. PHULPIN and M. CHEVREL
REQUIREMENTS FOR A FUTURE LAND SURFACE PROCESSES MISSION M. RAST P. KEALY
CONCLUSIONS
TRAITEMENT DES DONNÉES SATELLITAIRES D. Tanré et G. Fedosejevs
HIGH SPECTRAL RESOLUTION IN THE SOLAR SPECTRUM. F. Baret , R.O. Green
ACTIVE MICROWAVES D. Evans and D. Vidal-Madjar
PASSIVE MICROWAVES T. Schmugge and Y. Kerr
DIRECTIONAL AND POLARIMETRIC EFFECTS IN THE OPTICAL DOMAIN V.C. Vanderbilt and M. Leroy
INFRAROUGE THERMIQUE F. Bonn et T. Phulpin
LASER ACTIVE REMOTE SENSING A.K. Chekalyuk and G. Guyot
UTILISATION DES MESURES DE TELEDETECTION B. Seguin
LISTE DES PARTICIPANTS
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catch the seasonal cycles of the four sites, and that vegetation types can be easily distinguished. On the degraded
bushland, the lack of data has to be related with hard environmental conditions in association with the typology of the
site (Fig. Id). Still on that site, the NIR interception efficiency signal is on the order of the noise signal and then not
reported. For the bush/grassland, interception efficiencies start around 0.15 and 0.08 in the PAR and NIR,
respectively, then increase monotically until October (Fig. la). On the grassland site, the time profiles are different
since vegetation only appeared the first week of August (Fig. lb). From this date, the herbs developed rapidly, the
interception efficiencies associated increasing more than for the bush/grassland. The reason is that the branches of the
bushes act as a buffer, masking partially the leaves growth. Bush/grassland and grassland stop similarly their
photosynthetic activity the first week of October (Fig. la,b). The interception efficiencies are maximum at this time
with values of 0.6 and 0.48 for the bush/grassland against 0.5 and 038 for the grassland, in the PAR and NIR,
respectively. For the millet crop, interception efficiencies show a bowl shape (Fig. lc). The maximum values are
rather low, 0.23 in the PAR against 0.15 in the NIR, and are reached relatively early (one month before the natural
vegetations). For the bushland, the PAR interception efficiency does not go beyond 0.1 and is phased in time with the
variability of the one of the bush/grassland (Fig. Id). Over all canopies, the interception efficiency is larger in PAR
than in NIR, and this difference increases slightly with the interception. This phenomenon is caused by the optical
properties of the leaves since the leaves are more opaque to the PAR than to NIR.
In this study, interception and absorption efficiencies remain always close which is a characteristic of sparse canopies
over bright bare soils. The loss of radiation by reflectance is balanced by the gain of the radiation transmitted to
canopy then reflected by the soil background of the canopy toward the vegetation (see Eq. (2)). Finally in that case,
interception efficiency can replace the absorption efficiency.
Canopies albedo variabilities show much less dynamic than the time profiles of interception efficiencies. In fact, the
soil albedos obtained are high and occult most of the vegetation changes. For instance, bush/grassland and grassland
albedo values are rather similar and oscillate around 0.18 and 0.3, in the PAR and NIR, respectively. Note also that the
NIR albedo is high for the bushland (Fig. 2d) and millet crop (Fig. 2c), about 0.4 and 0.5 respectively.
More information seems available for the NDVI for the bush/grassland and grassland, with variations between 0.25 to
0.5 (Fig. 2a and 3b). On the contrary, the NDVI looks like stationary over the millet crop (value around 0.4) and
bushland (value around 0.35) sites where the soil brightness effect is more perturbing (Fig. 2c,d). The LAJ curves
fitted to field measurements using logistic type functions show similar amplitude and phase with the time profiles of
the interception efficiencies (Fig. la,b,c,d). As expected, interception efficiency offers the possibility to retrieve the
structure parameter LAI.
4. MODELING PAR INTERCEPTION FROM LOCAL TO SITE SCALE
Canopy scale - In the Sahelian region, the vegetation can be schemed by two distinct layers. The upper layer
represents the perennial canopy of trees or shrubs while the lower layer represents the annual grassland. These layers
may combine or not together (see Figure 3). A different radiative transfer model is applied for each layer. The SAIL
model (Verhoef, 1984) is considered for the herb layer, here approximated by a vegetation continuum, while the
cylinders model (Begue, 1992; Begue et al., 1994) simulates the woody layer and the millet crop, which are schemed,
respectively, as random and regular distributions of vegetation clumps. The inputs of the SAIL code are the LAI and
the structural/optical properties of the leaves, the albedo of the soil background, and the geometry of the incoming
radiation. The cylinders model is based on the geometrical optics theory applied to porous cylinders. The porosity is a
function of the LAI, the foliage geometry, the mean transmittance of the leaves, and the dimensions of the cylinders.
Both models have already been validated in various conditions. A coupling of these models allows to simulate a large
range of canopies. It assumes simply that the incoming PAR for the grass layer comes from the transmitted PAR by
the woody layer. Here, the SAIL code is validated over the grassland, and the cylinders model on the degraded
bushland, on the bush/grassland before the herbs developed, and on the millet crop. The conjonction of both model,
so-called mixture model, will be tested against the bush/grassland.
In addition to the radiative and biological measurements described before, optical properties of the phytoelements
were measured with a SE590, equipped with an integrating sphere (see van Leeuwen et al., 1993). The porosity of the
bushes decreases along the season from 0.7 to 0.2 while the porosity of the millet clump is quite constant, around a
value of 0.45. The porosity of the wood alone is about 0.9. Over a regularly clumped canopy as millet crop, the
cylinders model works during the growing season and overestimates lightly the measurements during the senescent
phase (Figure 4a) (the lack of frequent biological measurements at this time may explain this feature). Over randomly
clumped canopies, the models fits the data well (Figure 4b).
SAIL model simulations are carried out for 3 scenarii which are a grass canopy only, a forb only, and a canopy
mixture of grass and forb (43% and 57% of dry matter respectively). To each case are associated a 'specific area' and a
LIDF (Leaf Inclined Distribution Function) of the herbs. The results of comparison with measurements are shown in
Figure 4c with dotted curves for pure herbs and symbols for mixture. The canopy mixture model fits the data well
until the 1st week od September. From this date, the LAI is overestimated and by consequent the specific area of the

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