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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:: OCEAN COLOR REMOTE SENSING USING POLARIZATION PROPERTIES OF REFLECTED SUNLIGHT. R. FROUIN, E. POULIQUEN, F.-M. BREON

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
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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
Cover

Full text

flectance of
; (Top), but
eometry are
in forward
h as 45% of
signal lacks directionality (Fig. 4, top). The polarization rate is also small irrespective of the
viewing geometry, with maximum values of about 5% (Fig. 4, bottom). This suggests that it may
not be appropriate to work with the polarized component of reflectance to enhance the relative
contribution of the water body. As the ocean signal is weak and almost unpolarized, one may not
want to deal with a noisy polarized signal, even though there are backscattering geometries for
which the atmospheric and surface effects on the top-of-atmosphere polarized reflectance are
practically eliminated (see Fig. 3, bottom).
The polar diagrams in Fig. 5 show the relative contribution to total and unpolarized reflectance
of photons that have interacted with the water body. The characteristics of the ocean, atmosphere,
and surface are the same as those of Figs. 3 and 4. Working with total reflectance (Fig. 5, top), the
contribution of the water body does not exceed 20%. The highest values are obtained outside the
glitter region for viewing zenith angles of less than 60°. For those geometries, the aerosol phase
function is small. Apart from the glitter region, where values are obviously small, the minimum
values are found at high viewing zenith angles, where atmospheric scattering dominates. Working
with the unpolarized component of reflectance, by contrast (Fig. 5, bottom), the contribution of the
water body reaches 45%, which represents a gain in useful signal of a factor of 2.2. The best
viewing geometries are adjacent to the glitter region, at viewing zenith angles of about 50°
(scattering angles of 100° or so). At these angles, polarization by air molecules and aerosols
(combined) is maximum. As the relative azimuth angle decreases from 150°, the scattering angle
decreases, making generally the air molecules and aerosols less efficient at polarizing sunlight. The
result is a decreased contribution of the water boby (Fig. 5, bottom).
4-DISCUSSION
As shown above, using the unpolarized component of reflectance instead of total reflectance
enhances, for some viewing geometries, the relative contribution of the water body to the signal
measured at the top of the atmosphere. The gain obtained at 450 nm (a factor of 2) is substantial,
making it easier to correct the top-of-atmosphere signal for atmospheric and surface effects (45%
instead of 20% of the measured signal may now originate from the water body) and, therefore, to
retrieve the signal backscattered by the water body. In fact, even in backscattering, at high viewing
zenith angles, or in the glitter region, the unpolarized reflectance at the top of the atmosphere is
generally less influenced by atmospheric and surface effects than the total reflectance (see Fig. 5).
The results, though preliminary, strongly suggest that polarization is a useful property of light to
improve ocean color remote sensing from space.
Since aerosols polarize incident sunlight less than molecules, the enhancement obtained using
unpolarized reflectance is reduced as aerosol optical thickness is higher, all the more as multiple
scattering, being mor efficient, further contributes to reduce polarization rate. When the aerosol
optical thickness is 1, for instance, there is practically no gain in the relative contribution of the
water body. Such conditions, however, are extreme, and not suitable for ocean color remote
sensing.
Another point should be mentioned about aerosols. Mie calculations show distinct polarization
signatures depending on type. The favorable viewing geometries, therefore, may be type-
dependent. In general, however, the maximum polarization rates are found between scattering
angles of 80° and 150°, which determines somewhat the potentially favorable geometries. In fact,
simulations with “water-soluble“ aerosols (not shown here) have revealed significant changes in
the diagram of Fig. 5, bottom (e.g., a narrower range of favorable viewing geometries), but only a
slight displacement of the location of the maximum values toward lower vewing zenith angles
(higher scattering angles).
Depending on the surface conditions (e.g., wind speed), the glitter pattern may extend over a
wider range of viewing angles, displacing the favorable geometries further off the principal plane.
As solar zenith angle increases, those geometries become closer to nadir.
Using unpolarized reflectance, one may wonder about the sensitivity of the unpolarized signal
backscattered by the water body (obtained after atmospheric corrections) to water composition
and, in particular, phytoplankton pigment concentration. In the favorable geometry regions of Fig.
5, bottom, the water body exhibits polarization rates of about 20% with only 0.1 mgrrr^ of
pgments, the values obviously decreasing with increasing pigment concentration. These relatively
low polarization rates suggest a sensitivity of the unpolarized signal to pigment concentration
similar to that of the total signal, but slightly reduced since the polarization rate decreases when
Pigment concentration increases.
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