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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 VIII UTILISATION DES MESURES DE DETECTION. USE OF REMOTE SENSING DATA

Document type:: Monograph

Structure type:: Chapter

Chapter

Title:: 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.

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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1112
tree covers influence the total measured reflectance of the scene modifying the relationship ENDVI /
herbaceous production ; secondly, the production model used assumes a direct relationship between p rimar y
production and Absorbed PAR (APAR) neglecting the effects of other limiting factors on the vegetation growth.
Recently, to overcome this last limitation, Prince (1991b) proposed a modified Monteith's production model
which includes different coefficients taking into account important limiting factors like water availability and
nutrient shortage. However, as such, the representation of vegetation processes remains essentially empirical
and important climatic and physiological factors affecting vegetation activity cannot be satisfactorily analysed.
An alternative approach relies on the combined use of remote sensing spectral measurements with an ecosystem
model which describes the relevant processes of the soil-vegetation-atmosphcre system to simulate vegetation
growth and soil water dynamics. In this approach, the ecosystem process model is not bound by the sole use of
satellite data, as for the Monteith's production model, but integrates the latter in an explicit formulation of the
main processes. In this way, a close analysis of the relationships between different processes (photosynthesis,
transpiration,...) described by the model and satellite data can be carried out and the capability of the model to
be driven by satellite data can also be investigated. This alternative approach appears the most appropriate to
analyse and understand the underlying complexities in the interactions between vegetation
parameters/processes and radiation.
The objective of this study is twofold. Firstly, an ecosystem process model for sahelian herbaceous vegetation is
developped. This model is defined to be used at a regional scale in order to simulate the temporal evolution of
the main parameters and processes associated with vegetation fiinctionning in arid countries. Secondly, the
coupling with satellite derived parameters is examined. The present paper is structured as follows : in the first
section, the ecosystem process model is described and its validation using biomass measurements acquired
during the period 1976-1992 in two different regions of the Sahel, is shown. The second section presents the
coupling of the ecosystem model with a simple reflectance model. A comparison with NOAA/AVHRR data is
presented. The third section deals with the perspectives and future evolution of the model.
ECOSYSTEM MODEL DEFINITION AND VALIDATION
As a key component of the overall approach, the grassland model has to satisfy a certain number of
requirements :
1) it must give a realistic description of the relevant processes, particularly net photosynthesis, water fluxes
and primary productivity at a scale compatible with satellite observations i.e. at a regional scale ;
therefore, it has to be validated with appropriate field measurements at the scale considered.
2) it must be able to simulate the temporal evolution of the main structural parameters like LAI, vegetation
cover fraction,...that may be directly incorporated into physical models of reflectivity in the visible and
microwave domains.
3) it must have a relatively simple formulation in order to incorporate vegetation parameters that may be
retrieved from satellite measurements. The use of data from different parts of the electromagnetic spectrum
should provide access to a larger number of biophysical parameters.
4) it must be driven by standard meteorological data obtained from synoptic network and site specific data
that can be readily obtained.
5) finally, it must be open with a certain capability of generalization. Future improvements should also be
easily incorporated in the model.
Following these requirements, an ecosystem model for sahelian grasslands, named STEP (Sahelian
Transpiration - Evaporation and Productivity model), was developped (Mougin et al, 1993). This model is
based on an existing model originally developped for arid and semi-arid rangelands (Rambal, 1980 ; Rambal
and Comet, 1982) and was adapted to the specific case of regional application in a sahelian environment At
present, the modelling of the aboveground primary production only deals with the herbaceous layer, the major
component of the sahelian vegetation, for which growth and mortality arc mostly controlled by water
availability. The processes considered relevant in the soil-plant-atmosphere system are modeled to simulate the
aboveground vegetation growth and soil water dynamics. In the present version, the following processes are
modeled : water fluxes in the soil, evaporation from bare soil, transpiration of the vegetation, photosynthesis,
respiration, senescence, litter production and litter decomposition at the soil surface. Moreover, structural

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