MERIS/(A)ATSR Synergy Toolbox Software User Manual
Contents
1. A ATSR Synergy Toolbox Software User Manual BROCKMANN Version 1 1 CONSULT tam MERIS A ATSR Synergy Toolbox Parameters Cloud Screening Aerosol Retrieval and Atmospheric Correction Compute cloud index C Compute snow risk Flag C Compute cloud shadow risk flag Figure 4 4 Synergy Toolbox Cloud Screening Tab Pane The Cloud Screening tab pane consists of the following components Use the AATSR forward view when classifying If his checkbox is selected the AATSR forward view is considered in the cloud classification algorithm otherwise nadir view only Compute cloud index If this checkbox is selected a cloud index is computed and written as single band cloud index synergy to the target product Compute snow risk flag If this checkbox is selected a snow risk flag is computed and added to a flag band cloud flags synergy which is written to the target product Compute cloud shadow risk flag If this checkbox is selected a cloud shadow risk flag is computed and added to a flag band cloud flags synergy which is written to the target product See 4 for more details on the computation and physical meaning of the quantities listed above Copyright 2010 Brockmann Consult GmbH 12 B MERIS A ATSR Synergy Toolbox Software User Manual BROCKMANN i Version 1 1 CONSULT 4 3 Aerosol Retrieval and Atmospheric Correction The Processor for Aerosol Retrieval an2. Retrieve AODs over land If this checkbox is selected aerosol optical depths will be retrieved over land The default is true Retrieve surface directional reflectances over land time consuming If this checkbox is selected SDRs will be retrieved from rescaled AODs This computation is performed over land only Copyright 2010 Brockmann Consult GmbH 13 B MERIS A ATSR Synergy Toolbox Software User Manual BROCKMANN i Version 1 1 CONSULT Due to the nature of the algorithm the retrieval of surface directional reflectances requires much more computation time than the pure aerosol retrieval If you are interested in aerosol quantities only it is recommended to keep this option unselected For the computation of surface directional reflectances on larger datasets it is further recommended to create in advance subsets of the input data which just cover the regions of interest N N average for AOD retrieval Text field to set the number of pixels to average over in the aerosol retrieval The default number is 7 which corresponds to a square with 3 pixels to each side of a center pixel Sol surface reflectance spectrum Text field to set the filename containing the soil surface reflectance spectrum The default is soil dat this file is included in the auxiliary data see Section 2 2 If the user wants to use a different file it must be selected via the file chooser button right to the test field
3. Note that any user selected file must exactly follow the format of the default file Vegetation surface reflectance spectrum Text field to set the filename containing the vegetation surface reflectance spectrum The default 15 veg sol dat this file is included in the auxiliary data seeSection 2 2 If the user wants to use a different file it must be selected via the file chooser button right to the test field Note that any user selected file must exactly follow the format of the default file Use default land aerosol models recommended If this radio button is selected the default land aerosol models are used for aerosol retrieval This set of models is included in the standard auxiliary data set seeSection 2 2 No further user action is required This option is recommended not only for simplicity but also because only a small number of models is used For most purposes this option will be sufficient A large number of models which can be specified with the option below significantly increases computation time for the aerosol retrieval For more details on these aerosol models and underlying lookup tables see 3 and 6 Use specific land aerosol models for advanced users If this radio button is selected specific land aerosol models must be entered by a comma separated list of model indices in the text field below To use this option for aerosol retrieval the full auxiliary data set seeSection 2 2 must b
4. aatsr synergy auxdata stanrard zip or beam meris aatsr synergy auxdata full zip extract the archive into your user home beam folder 2 3 Additional Requirements To be able to process all options properly the MERIS A ATSR Synergy Toolbox processor needs the following add ons to be installed in BEAM if not already done MERIS L2 Auxdata module The MERIS L2 Auxdata can be installed with the BEAM module manager See BEAM help documentation for details http www brockmann consult de beam doc help visat ModuleManager html Alternatively you can directly download and install from the BC ftp site as described above again cd to meris aatsr synergy auxdata Copyright 2010 Brockmann Consult GmbH 6 MERIS A ATSR Synergy Toolbox BROCKMANN Software ps 2 CONSULT ersion 1 e download beam meris I2auxdata zip and beam meris 2auxdata 1 1 SNAPSHOT jar extract the archive beam meris I2auxdata zip into your user home beam folder copy the file beam meris 2auxdata 1 1 SNAPSHOT jar into the modules folder of your BEAM installation Copyright O 2010 Brockmann Consult GmbH 7 MERIS A ATSR Synergy Toolbox Software User Manual BROCKMANN CONSULT Version 1 1 Chapter 3 Products The input and output products of the MERIS A ATSR Synergy Toolbox are described in detail in the IODD document see 6 Copyright 2010 Brockmann Consult GmbH 8 E MERIS A ATSR Synergy To
5. on the file contents see 3 and 6 For the ocean aerosol retrieval there are LUTs for the 4 AATSR wavelengths 778 865 885 and 1610 nm Therefore the full set of ocean aerosol LUTs comprises 680 files These files are provided in NetCDF format the total size is about 380 MB For more details on the file contents see 2 and 6 The default surface reflectance spectra are provided in two small ASCII files The user can specify own reflectance spectra files as processing parameter For more details on the file contents see 3 and 6 The lookup tables for Glint algorithm in ocean aerosol retrieval are provided as two small netCDF files For more details on the contents of these files see 2 and 6 2 2 2 Download and Installation Since the full auxiliary dataset is rather large due to the LUTS for land aerosol retrieval the auxiliary data are provided as a standard and a full bundle The standard bundle only contains the three land aerosol models required for the retrieval in default mode see Section 4 3 which reduces the size of the zip archive to below 1 GB This is sufficient for most use cases To specify an own list of land aerosol models to be used by the algorithm advanced users need to download and install the full bundle The auxdata can be downloaded from the BC ftp site ftp brockmann consult de username synergy password MER ATS SYN cd to meris aatsr synergy auxdata e download either beam meris
6. 1 1 Specific help on the MERIS A ATSR Synergy toolbox can be obtained with BEAM INSTALL DIR bin gpt h synergy Master In this case information on the usage and a list of all available parameters are given see Figure 4 7 C WINDOWS system32 cmd exe n x gt 5 E gt gt gpt h synergy Master sage gpt synergy Master options escript ion The master operator for the MERIS lt ADATSR toolbox ource Options SAATSR lt file gt AATSR source product This is a mandatory source SMERIS file MERIS source product This is a mandatory source Parameter Options PaerosolModels string Sets parameter aerosolModels to lt string gt Default value is 8 PaveBlock lt int gt Pixels to average lt n x n with n odd number for AOD retrieval Valid interval is 1 991 Default value is PcomputeCOT lt hoolean gt Compute cloud index Default value is true PcomputeLand lt hoolean gt Compute land fiODs Default value is true lt 1 gt Compute ocean flODs Default value is true PcomputeSF boolean Compute snow risk flag Default value is false PcomputeSH lt boolean gt Compute cloud shadow risk flag Default value is false PcomputeSurfaceRef lectances lt hoolean gt Retrieve surface directional reflectances AODs Default value is false PcreateflerosolProduct boolean Create aerosol and atmosp
7. 5 beam 4 5 1 01 beam 4 5 2 beam 4 6 0 beam 4 6 1 22 beam 4 7 C3 Anstalt bin config gt O lib licenses modules O beam help 4 7 O blue marble worldmap 1 0 1 E E EJ E E EH 7 Objekt e ausgew hlt Mame IEblue marble worldmap 1 0 1 lib haf 2 3 C3lib netcdf 4 0 beam aatsr recalibration 1 1 jar beam aatsr sst 1 4 202 jar beam alos reader 1 2 jar beam atsr reader 1 0 1 jar beam avhrr reader 1 0 101 jar beam binning 2 0 2 jar beam chris reader 1 6 jar al beam cluster analysis 1 1 1 jar beam collocation 1 1 jar beam core 4 7 jar Lal beam envisat reader 1 3 101 jar P beam Flhmci 1 6 102 jar beam geotiff 1 1 jar beam getasse30 reader 1 0 jar beam gpf 4 7 jar Pi beam hdf5 writer 1 0 jar beam landsat reader 1 1 2 jar beam meris aatsr synergy aerosol retrieval 1 1 jar beam meris aatsr synergy cloud screening 1 1 jar beam meris aatsr synergy core 1 1 jar s beam meris aatsr synergy preprocessing 1 1 jar beam meris boreal lakes 1 4 jar beam meris brr 2 1 SNAPSHOT jar P beam meris case2 core 1 4 jar beam meris case2 regional 1 4 jar beam meris cloud 1 5 203 jar beam meris eutrophic lakes 1 4 jar beam merisl3 reader 1 0 100 jar beam meris I2auxdata 1 1 SNAPSHOT jar ai beam meris ndvi 1 2 203 jar beam meris radtorefl 1 3 301 jar beam meris sdr 2 3 SNAP
8. A RI ee sk mue Ba ee eS endi up Sk der eeu qx reto 2 LZ uewe Gu AN oe ew ee ew wee ee E UR RUN deg Roe Row wok oe cec M e v ae en 2 uc g C 2 L Actonyms and Nomenclature sa c epo ook ok ER RES e dE RR ERR e EE e a 3 no EDD CEDE 3 142 25 25 ROS e BOO Rode ee epe 3 LF 1 150 0 us p A E 3 8 Gb Sp 3 2 Software Installation 4 2 1 The MERIS A ATSR Synergy toolbox as BEAM plugin 4 225 Paca DE 22222522255 A RS S Re ee E oe d 5 Date POM 2 2252 SE p u REA BaP SS Ae E UR TP os 6 222 Download Installation 2 204 600 05 dha 0 Be Ee Rom Room a eR ee Oe ae 6 23 Additonal Requirements uu s eses 064 0255 s w lt WE RR RU Q Y d de ee wae n 6 3 Products 8 4 Processors 9 4 1 Parameters and Preprocessing 5 55 448 RR k e 9 4 1 1 HPO Parameters Tab Pane ouo k usay ee SESE REE Bod ea x 62 10 212 Control BulloHg loe s s Su y RR ee aes ew RI ewe Ee ae S CQ 11 4 amp 2 EENHEETEN 11 4 3 Aerosol Retrieval and Atmospheric Correction ee Ro a 13 44 Processing from command li lt s sa coo oo Eer eom eae E Q NW 14 Copyright 2010 Brockmann
9. Consult GmbH iv B MERIS A ATSR Synergy Toolbox Software User Manual Version 1 1 List of Figures 2 1 Installation of MERIS A ATSR Synergy Toolbox jar files in BEAM modules folder shown for Windows XP 5 4 1 MERIS A ATSR Synergy toolbox in BEAM 9 42 Synergy Toolbox IO Parameters Tab Pane seus RR ee hE Ba ele Ree BROS ESAS E 10 43 Synergy Toolbox control b tt n 222 222 2 222 2 11 4 amp 4 Synergy Toolbox Cloud Screening Tab Pane osse s oso RR ES Ree ASE 5 6 12 4 5 Synergy Toolbox Aerosol Retrieval and Atmospheric Correction Tab Pane 13 4 6 Synergy Toolbox Selection of aerosol models for land aerosol retrieval 14 47 Synerey Toolbox command hme processing p o s s asss s p a EE E Q w Ee eee e ys 15 Copyright O 2010 Brockmann Consult GmbH V MERIS A ATSR Synergy Toolbox BROCKMANN Software User Manual CONSULT Version 1 1 Software User Manual Copyright 2010 Brockmann Consult GmbH MERIS A ATSR Synergy Toolbox Software User Manual BROCKMANN i Version 1 1 CONSULT Chapter 1 Introduction 1 4 Scope This document is the software user manual SUM for the MERIS A ATSR Synergy Toolbox 1 2 Objectives As outlined in 1 the aim of developing a MERIS A ATSR Synergy Toolbox is to undertake research and algorithm develop ment on MERIS AATSR sy
10. MERIS A ATSR Synergy Toolbox B us a e BROCKMANN CONSULT MERIS A ATSR Synergy Toolbox Software User Manual Version 1 1 13 April 2010 MERIS A ATSR Synergy Toolbox BROCKMANN Software User Manual CONSULT Version 1 1 Copyright 2010 Brockmann Consult GmbH ESA and the ESA logo are trademarks of the European Space Agency The Brockmann Consult logo is a trademark of Brockmann Consult GmbH Java is a trademark of Sun Microsystems Inc All other trademarks are acknowledged as the property of their respective owners Copyright 2007 2010 by the European Space Agency All Rights Reserved This document is subject to copyright protection No portion may be copied without prior written consent from the European Space Agency Copyright 2010 Brockmann Consult GmbH MERIS A ATSR Synergy Toolbox Software User Manual BROCKMANN Version 1 1 CONSULT COLLABORATORS TITLE REFERENCE MERIS A ATSR Synergy Toolbox 1 1 ACTION NAME DATE SIGNATURE WRITTEN BY Olaf Danne 13 April 2010 REVISION HISTORY NUMBER DATE DESCRIPTION NAME 1 1 13 04 10 Adjusted to GUI modification as decided at final O Danne meeting 1 0 15 03 10 Initial release O Danne Copyright 2010 Brockmann Consult GmbH B MERIS A ATSR Synergy Toolbox BROCKMANN Software User Manual CONSULT Version 1 1 Contents 1 Introduction 2 L bowed
11. SHOT jar beam meris smac 1 5 203 jar Lal beam meris smile 1 2 101 jar al beam modis reader 1 2 jar beam mosaic 2 3 jar Pj beam netcdf reader 1 1 jar Lal beam obpg reader 1 1 jar al beam pconvert 1 3 101 jar beam processing 4 7 jar lt X Arbeitsplatz Figure 2 1 Installation of MERIS A ATSR Synergy Toolbox jar files in BEAM modules folder shown for Windows XP 2 2 Auxiliary Data To be able to process all options properly the MERIS A ATSR Synergy Toolbox processor needs the following auxiliary data Ocean aerosol lookup tables provided by FUB Land aerosol lookup tables provided by SU Copyright O 2010 Brockmann Consult GmbH MERIS A ATSR Synergy Toolbox BROCKMANN Software User Manual CONSULT Version 1 1 Surface reflectance spectra files provided by SU Lookup tables for Glint algorithm in ocean aerosol retrieval provided by FUB 2 2 1 Data Format The aerosol lookup tables come as separate files for each wavelength and each aerosol model Overall there are 40 aerosol models available for both land and ocean aerosol retrieval For the land aerosol retrieval there are LUTS for the 13 MERIS wavelengths 412 442 490 510 560 620 665 681 708 753 778 865 and 885 nm and the 4 AATSR wavelengths 550 665 865 and 1610 nm Therefore the full set of land aerosol LUTs comprises 680 files Although these files are in binary format the total size is more than 6 GB For more details
12. d Atmospheric Correction is the third of three main modules within the MERIS A ATSR Synergy toolbox Its purpose is to derive aerosol optical depths over land and or ocean and optionally provide an atmospheric correction by using the derived AODs The processor also makes use of quantities derived from the cloud screening module Therefore the input for the aerosol retrieval must be an output product from the cloud screening The user interface for the Aerosol Retrieval and Atmospheric Correction can be accessed by clicking the Aerosol Retrieval and Atmospheric Correction tab in the MERIS A ATSR Synergy Toolbox dialog Figure 4 5 tam MERIS A ATSR Synergy Toolbox I O Parameters Cloud Screening Aerosol Retrieval and Atmospheric Correction Retrieve AODs over land Retrieve surface directional reflectances over land time consuming N x N average For 40D retrieval Soil surface reflectance spectrum Vegetation surface reflectance spectrum Definition of land aerosol models 5 Use default land aerosol models recommended Use specific land aerosol models for advanced users Figure 4 5 Synergy Toolbox Aerosol Retrieval and Atmospheric Correction Tab Pane The Aerosol Retrieval and Atmospheric Correction tab pane consists of the following components Retrieve AODs over ocean If this checkbox is selected aerosol optical depths will be retrieved over ocean The default is true
13. del Brockmann Consult Draft Version March 2010 6 MERIS AATSR Synergy Algorithms for cloud screening aerosol retrieval and atmospheric correction Input Output Data Definition Brockmann Consult Draft Version March 2010 Copyright 2010 Brockmann Consult GmbH 3 MERIS A ATSR Synergy Toolbox Software User Manual BROCKMANN i Version 1 1 CONSULT Chapter 2 Software Installation 2 1 The MERIS A ATSR Synergy toolbox as BEAM plugin As a BEAM plugin the MERIS A ATSR Synergy toolbox needs the following software to be installed in advance BEAM version 4 7 The BEAM software can be obtained from the BEAM download page www brockmann consult de beam Note that the MERIS A ATSR Synergy Toolbox software has been developed in the frame of BEAM 4 7 and is not compatible with older BEAM versions Once newer releases of BEAM are published the MERIS A ATSR Synergy Toolbox software will be updated accordingly if required The MERIS A ATSR Synergy Toolbox software delivery consists of seven jar files a core module the module for AATSR recalibration the modules for preprocessing cloud screening aerosol and SDR retrieval and adjusted BRR Bottom of Rayleigh Reflectance and SDR Surface Directional Reflectance modules which provide additional Java classes used by the toolbox e beam meris aatsr synergy core 1 1 jar beam meris aatsr synergy aerosol retrieval 1 1 jar beam meris aatsr synergy preprocessing 1 1
14. e downloaded and installed For more details on these aerosol models and underlying lookup tables see 3 and 6 List of land aerosol models Text field to set a comma separated list of the indices of the aerosol models to be used for the land aerosol retrieval Figure 4 6 This text field is enabled only if the Use specific land aerosol models for advanced users radio button is selected The valid range of indices is 1 40 In principle up to all 40 models could be entered However to keep computation time in an acceptable frame it is recommended to use as few models as possible For more details on these aerosol models and underlying lookup tables see 3 and 6 Definition of land aerosol models Use default land aerosol models recommended 5 Use specific land aerosol models for advanced users List of land aerosol models 3 7 12 21 Figure 4 6 Synergy Toolbox Selection of aerosol models for land aerosol retrieval 4 4 Processing from command line Since the MERIS A ATSR Synergy toolbox makes use of the BEAM graph processing framework it can be used also as a command line tool outside BEAM VISAT The graph processing is invoked by the command BEAM INSTALL DIR bin gpt To obtain general help on the graph processing use the command BEAM INSTALL DIR bin gpt h Copyright 2010 Brockmann Consult GmbH 14 BROCKMANN CONSULT MERIS A ATSR Synergy Toolbox Software User Manual Version
15. e selection button to invoke a standard file dialog This source product must be a standard AATSR L1b product Target product file Select the target product file by either typing the product path into the text filed or by pressing the file selection button to invoke a standard file dialog Target product format and target directory Save as If this checkbox is selected the output product will be saved to disk Target product format Select one of the available output product formats Select the target product directory by either typing the product path into the text filed or by pressing the file selection button to invoke a standard file dialog Copyright 2010 Brockmann Consult GmbH 10 MERIS A ATSR Synergy Toolbox BROCKMANN Software User Manual CONSULT Version 1 1 Open in Visat If this checkbox is selected the output product is opened in Visat after successful processing Target product specification This user option is represented by radio buttons and specifies the computation type and results written to the target product Only create a colocated MERIS AATSR product If this radio button is selected just a colocated MERIS AATSR product will be generated No cloud screening or aerosol retrieval is performed Create a cloud screening product If this radio button is selected a cloud screening product will be generated A colocated MERIS AATSR product is created as intermedia
16. heric correction product Default value is true PcreateCloudScreeningProduct boolean Create cloud screening product only Default value is false PcreatePreprocessingProduct boolean Create preprocessing product only Default value is false PsoilSpecName 4string File containing soil surface reflectance spectrum Default value is spec soil dat PuseCustomLandflerosol 4boolean Sets parameter useCustomLandflerosol to lt boolean gt Default value is false PuseForuardUieu Cboolean Use the AATSR forward view when classifying Default value is true PvegS pecName lt string gt File containing vegetation surface reflectance spectrum Default value is spec_veg dat raph XML Format Xgraph id someGraphlId lt version gt 1 lt version gt lt node id someNodeld gt lt operator gt s ynergy Master lt operator gt lt sources gt lt MERIS gt lt MERIS gt lt MERIS gt lt AATSR gt lt AATSR gt lt AATSR gt lt sources gt lt parameters gt lt createPreprocess ingProduct gt boo lean lt createPreprocess ingProduct gt lt createCloudScreeningProduct gt boo lean lt createCloudScreeningProduct gt lt createferosolProduct gt boo lean lt createferosolProduct gt lt useForwardU iew gt boo lean lt useForwardUiew gt lt computeCOT gt boo lean lt computeCOT gt lt computeSF gt hoo lean lt computeSF gt lt computeSH gt hoo lean lt computeSH gt lt computeOcean gt hoo lean lt compu
17. jar beam meris aatsr synergy cloud screening 1 1 jar beam aatsr recalibration 1 1 jar beam meris brr 2 1 SNAPSHOT jar beam meris sdr 2 3 SNAPSHOT jar These files need to be downloaded from the BEAM plugin page http www brockmann consult de cms web beam plug ins or the Synergy Wiki page http www brockmann consult de beam wiki display S Y N Software The files need to be copied into the modules folder of the BEAM installation Figure 2 1 Note that existing versions of these jar files need to be replaced overwritten There should not be more than one jar file for each of these modules in the modules folder Copyright O 2010 Brockmann Consult GmbH 4 BROCKMANN CONSULT MERIS A ATSR Synergy Toolbox Software User Manual Version 1 1 modules Datei Bearbeiten Ansicht Favoriten Extras Adr B C Programme beam 4 7 modules Ordner x 0 workspaces C3 testuser tmp e esov eecfi sources to montse jai 1 1 3 javahelp 2 0 05 C3 Kav MsOCache amp muell data Neuer Ordner Neuer Ordner 2 e NV38283840 TMP nv9344 NVIDIA Program Files C3 Programme amp C3 7 2 O Adobe H Z3 AGEIA Technologies AMD J apache apache ant 1 6 5 J 3 ATI Technologies AvRack beam 3 7 beam 4 2 beam 4 2 SNAPSHOT D e beam 4 2 SNAPSHOT bak D D D E EJ E GC beam 4
18. nergy with stated objectives define and prototype algorithms and processing schemes for improved cloud screening global aerosol retrieval and land atmo spheric correction using the combined multi spectral and multi angle information from geo located and geo registered MERIS and AATSR measurements verify the prototyped algorithms and processing schemes and demonstrate their benefit in terms of accuracy as compared to single sensor algorithms implement these algorithms and processing schemes for the BEAM toolbox formulate recommendations for the development of future synergy algorithms and processing concepts for the Sentinel 3 OLCI and SLST instruments This SUM specifically describes the software developed for Synergy preprocessing cloud screening ocean and land aerosol retrieval and atmospheric correction 1 3 Reader Level This specification is mainly written for the following audiences MERIS A ATSR Synergy Toolbox users This user manual specifications assumes that the reader is familiar with basic concepts in using the BEAM software and its integrated processors Copyright O 2010 Brockmann Consult GmbH 2 MERIS A ATSR Synergy Toolbox BROCKMANN Software User Manual CONSULT Version 1 1 1 4 Acronyms and Nomenclature 1 4 1 Acronyms AATSR Advanced Along Track Scanning Radiometer AOD Aerosol Optical Depth AOD Aerosol Optical Thickness ATBD Algorithm Theoretical Baseline Document BC Brockmann C
19. olbox BROCKMANN Software User Manual CoNsuLT Version 1 1 Chapter 4 Processors The MERIS A ATSR Synergy toolbox can be invoked from the BEAM Tools menu as shown below VISAT 4 7 File Edit view Analysis Tools Window Help B Collocation Wis evel 3 Binning Ce uu FLH MCI Processor Cloud Probability Processor MERIS Radiance To Reflectance Processor MERIS Smile Correction Processor MERIS NDVI Processor MERIS SMAC Processor MERIS A ATSR SST Processor A ATSR s Reprojection Orthorectification Mosaic MERIS A ATSR Synergy Toolbox AATSR Recalibration A ATSR Figure 4 1 The MERIS A ATSR Synergy toolbox in BEAM Visat 4 1 I O Parameters and Preprocessing The Synergy Preprocessor is the first of three main modules within the MERIS A ATSR Synergy toolbox Its purpose is to create a colocated MERIS A ATSR L1b product containing radiances reflectances of all channels of both MERIS and AATSR This colocated product shall be used as input for the cloud screening module There is no separate user interface for the Synergy Preprocessor also there are no processing parameters The preprocessor is invoked automatically when a MERIS AATSR colocated product is generated either as final product or as intermediate product required for cloud screening or aerosol retrieval These opti
20. ons are provided through radio buttons on the Synergy Toolbox I O Parameters Tab Pane see below Copyright 2010 Brockmann Consult GmbH 9 B MERIS A ATSR Synergy Toolbox BROCKMANN Software User Manual CONSULT Version 1 1 41 1 I O Parameters Tab Pane tam MERIS A ATSR Synergy Toolbox I O Parameters Cloud Screening Aerosol Retrieval and Atmospheric Correction Source Product MERIS MER_RR__1PQBCM20030714_103047_000000542018_00094_07162_00004 N1 Source Product AATSR ATS TOA 1COLRA20030714 103036 000000812018 00093 07161 0570 1 Target Product Mame ER RR 1PQBCM20030714 1 03047 000000542018 00094 07162 00004 1 SYMERGY Save as BEAM DIMAP v Directory C Dokumente und Einstellungen olafd synergy meetings final Open in VISAT Target Product Specification Only create a colocated MERIS AATSR product Create a cloud screening product Create an aerosol and atmospheric correction product Figure 4 2 Synergy Toolbox I O Parameters Tab Pane This tab pane consists of the following components MERIS source product file Select the source product file by either typing the product path into the text filed or by pressing the file selection button to invoke a standard file dialog This source product must be a standard MERIS L 1b product AATSR source product file Select the source product file by either typing the product path into the text filed or by pressing the fil
21. onsult DEM Digital Elevation Model DPM Detailed Processing Model ESA European Space Agency FUB Free University of Berlin MERIS Medium Resolution Imaging Spectrometer Instrument IODD Input Output Data Definition SDR Surface Downwelling Reflectance SU Swansea University SUM Software User Manual VISAT Visualization and Analysis Tool UV University of Valencia 1 4 2 Nomenclature 1 5 References 1 ENVI DTEX EOPS SW 07 0007 MERIS AATSR Synergy Algorithms for cloud screening aerosol retrieval and atmo spheric correction STATEMENT OF WORK June 2007 2 Preusker R and J Fischer Remote Sensing of Aerosol over Ocean Using a Synergy of MERIS and AATSR SYNAO ATBD Free University of Berlin Version 1 0 June 2009 3 North P Grey W Heckel A Fischer J Preusker R and C Brockmann MERIS AATSR Synergy Algorithms for cloud screening aerosol retrieval and atmospheric correction Land Aerosol and Surface Reflectance ATBD Swansea University Free University of Berlin Brockmann Consult Geesthacht Version 3 1 June 2009 4 Gomez Chova L Camps Valls G Calpe J Munoz J and J Moreno MERIS AATSR Synergy Algorithms for cloud screening aerosol retrieval and atmospheric correction Cloud Screening ATBD University of Valencia Version 1 0 January 2009 5 MERIS AATSR Synergy Algorithms for cloud screening aerosol retrieval and atmospheric correction Detailed Processing Mo
22. te product No aerosol retrieval is performed Create an aerosol and atmospheric correction product If this radio button is selected an aerosol and atmospheric correction product will be generated Atmospheric correction over land can be added by aerosol retrieval user option seeSection 4 3 The aerosol retrieval processor automatically creates a colocated MERIS AATSR product and performs cloud screening as foregoing steps 41 2 Control Buttons From the I O Parameters tab pane the following control buttons can be accessed e Run If this button is clicked the processor will start the computations e Close If this button is clicked the MERIS A ATSR Synergy Toolbox dialog is closed Help If this button is clicked this manual is displayed as online help Figure 4 3 Synergy Toolbox control buttons 4 2 Cloudscreening The Cloud Screening Processor is the second of three main modules within the MERIS A ATSR Synergy toolbox Its purpose is to add various bands i e cloud flags to the colocated MERIS A ATSR L1b product obtained from the preprocessor The output product from the cloud screening shall be used as input for the third module aerosol retrieval and atmospheric correction The user interface for the Cloud Screening Processor can be accessed by clicking the Cloud Screening tab in the MERIS A ATSR Synergy Toolbox dialog Figure 4 4 Copyright 2010 Brockmann Consult GmbH 11 B MERIS
23. teOcean gt lt computeLand gt boo lean lt computeLand gt SEU lt soilSpecName gt string lt soilSpecName gt XvegS E lt aveBlock gt int lt aveBlock lt useCustomLandferoso 1 gt boo lean lt useCustomLandferosol gt lt aeroso lMode ls gt string lt aeroso 1Models gt lt parameters gt lt node gt lt graph gt a Figure 4 7 Synergy Toolbox command line processing Copyright 2010 Brockmann Consult GmbH 15
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