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  • IMAPP - CIMSS
    nbsp The MOD09 L2 Level 2 product that is required as input can be created as part of the IMAPP MODIS Virtual Appliance or through a stand alone MOD09 package Phase II BRDF Albedo models tiles of daily BRDF and Albedo from 16 days of land surface reflectance tiles Both source and binary software are included This release has been tested on both 32 and 64 bit Linux platforms and the statically linked 32 bit binary executables should work with most flavors of linux There are also Make files that can be used to compile the software locally This release requires 1GB of memory for execution Total disk usage will depend upon how many tiles and how many days are processed Each pair Aqua and Terra of daily L2G surface reflectance Phase I product tiles 500m and 250m resolution occupy approximately 0 5GB of disk space Typically 16 days of these will be retained for daily BRDF Phase II compositing The 16 day composite BRDF tile files occupy approximately 150MB per tile Required Disk Space Daily L2G files 1 GB tile 16 Day total 16 GB tile BRDF Albedo files 150 MB tile Plus 5 GB Run Directory per day Processing is executed through a single perl script which reads in the date time window requested default is to process the last 16 days and the tiles to be processed default is to process all tiles covered by the data and begins execution of the L2G Phase I processing for each tile Once that has completed the BRDF Albedo Phase II software is executed The software takes about 1 hour per tile to complete on a CentOS Intel Xeon 2 66 GHz CPU single processor with 2 GB of Memory The majority of the time is spent on the 16

    Original URL path: http://cimss.ssec.wisc.edu/imapp/db_brdf_v1.0.shtml (2012-11-14)
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  • IMAPP - CIMSS
    thanks to Lajos Földy for adding HDF4 support to FL Note that users who have a licensed version of IDL may continue to use it the DBGE package runs identically under FL or IDL KML files created by DBGE are now identified by satellite date and last update time when displayed in Google Earth web server is required The end user can add a logo image to be displayed in Google Earth web server is required Reduced the verbosity of log output from process granule bash However the user can enable verbose output by changing an environment variable in dbge env bash or dbge env csh Increased the brightness of the MODIS true color images for better display of dark regions on monitors with a default gamma of 2 2 DBGE is designed to run on Intel Linux computers 32 bit or 64 bit The software has been tested on Fedora CentOS and Ubuntu Linux systems The DBGE software should run correctly on an Intel Linux system with 512MB of RAM and 20GB of available disk space Level 1B files created by either MODISL1DB or SeaDAS are compatible with DBGE as well as files created at the NASA MODIS LAADS archive DBGE reads MODIS Level 1B data and geolocation and creates tiled MODIS true color images at 250 meter resolution along with the Keyhole Markup Language KML files which allow the imagery to be displayed in Google Earth To make the MODIS images and KML files viewable on the Internet you will need a web server where the images and KML files can be stored It does not have to be the same system where you run DBGE Any computer which runs a web server even a Windows computer may be used to serve the images to Google Earth The

    Original URL path: http://cimss.ssec.wisc.edu/imapp/dbge_v1.2.shtml (2012-11-14)
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  • AIRS/AMSU/HSB Processing Package for Direct Broadcast
    for geolocation overpasses of arbitrary size may be processed a master control script simplifies the operation of the package v5 2 1 can also run and produce Level 2 IR only retrievals This package was developed by the AIRS Team at NASA Jet Propulsion Laboratory Distribution and support is provided by the Space Science and Engineering Center at the University of Wisconsin Madison Requirements This is a binary only release for Intel Linux platforms No source code is included This version of the package has been tested on the following platforms CentOS Intel Linux x86 and x86 64 The input expected by the package is Level 0 AIRS AMSU HSB and GBAD files defined as reconstructed time ordered CCSDS packets with all communication artifacts including duplicate and bad packets removed This includes PN and Reed Solomon decoding as well as reassembly of the raw telemetry packets Processing of the data stream to this stage is the responsibility of the user Data in this format is known as a Production Data Set PDS The Direct Readout Laboratory at NASA GSFC has developed a software application named RT STPS Real Time Software Telemetry Processing System which synchronizes the data performs PN and RS decoding and packet reassembly and writes the output in PDS format This package is know to be compatible with Level 0 PDS files created by RT STPS In addition many X band ground station vendors supply processing hardware and or software that creates compatible Level 0 files Installation and Operation The package is available for download through the IMAPP download page http cimss ssec wisc edu imapp download Please see the README file for instructions on installing and running the package If you are unable to download the package because of a slow Internet connection please contact us and

    Original URL path: http://cimss.ssec.wisc.edu/imapp/AIRS/AIRS_v5.2.html (2012-11-14)
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  • IMAPP - CIMSS
    If the differences between the clear and cloudy profiles stay small the clear trained solution makes up the final result This is a stand alone retrieval algorithm that no longer requires the MODIS cloud mask as input This technique was developed by Dr Elisabeth Weisz and Dr William Smith University of Wisconsin Madison Space Science and Engineering Center SSEC The software creates single FOV products from input direct broadcast or archived AIRS L1B radiance files atmospheric temperature K at 101 pressure levels atmospheric moisture g kg at 101 pressure levels atmospheric ozone ppmv at 101 pressure levels atmospheric relative humidity at 101 pressure levels atmospheric dew point temperature K at 101 pressure levels surface skin temperature K surface emissivity at 2378 AIRS wavenumbers total precipitable water cm precipitable water 1 vertically integrated from 900 hPa to surface cm precipitable water 2 vertically integrated from 700 to 900 hPa cm precipitable water 3 vertically integrated from 300 to 700 hPa cm total ozone amount vertically integrated dobson units lifted index deg celsius convective available potential energy J kg CO2 amount ppmv cloud top pressure 1 hPa cloud top pressure 2 hPa Upper level cirrus cloud tops only cloud top temperature 1

    Original URL path: http://cimss.ssec.wisc.edu/imapp/uwairs_v3.0.shtml (2012-11-14)
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  • IMAPP - CIMSS
    water vertically integrated cm atmospheric moisture g kg at 101 pressure levels total ozone amount vertically integrated Dobson units atmospheric ozone ppmv at 101 pressure levels surface emissivity at 2378 AIRS wavenumbers cloud top pressure mbar This version allows the use of either direct broadcast passes of arbitrary size or standard MODIS 5 minute granules acquired from the NASA archive The software allows each step to be run independently or in sequence Changes to the package include The collocation software has been rewritten in C by Greg Quinn The collocation algorithm has not changed Please see Nagle Frederick W and Robert E Holz 2009 Computationally Efficient Methods of Collocating Satellite Aircraft and Ground Observations J of Atmos and Ocean Tech Volume 26 Issue 8 pp 1585 1595 The collocation airsmodhdf exe executable has been replaced by the airsmod static executable and the arguments to it are airsmod static airsfile modis geo file output file You can now use either direct broadcast MODIS geolocation and cloud mask files files that cover the same usable data orbit as AIRS using the IMAPP naming conventions a1 yyddd hhmm geo hdf and a1 yyddd hhmm mod35 hdf or the 2 to 3 DAAC MODAPS 5 minute granule segments that coincide with the AIRS data with naming conventions MYD03 AYYYYDDD HHMM 005 yyyydddhhmmss hdf and MYD35 L2 AYYYYDDD HHMM 005 yyyydddhhmmss hdf There is a new argument to the main run script MODE that lets the program know whether you are processing Direct Broadcast MODIS data segments passes of arbitrary size using the IMAPP naming conventions or NASA archive 5 minute segments RUN AIRS UTILS RTV scr MODE AIRSL1BFILENAME OUTDIR MODE is either 1 or 2 1 Direct Broadcast MODIS files naming convention a1 2 MODAPS Archive 5 minute files naming convention MYD Two new

    Original URL path: http://cimss.ssec.wisc.edu/imapp/uwairs_utils_v1.1.shtml (2012-11-14)
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  • IMAPP - CIMSS
    bit statically linked binary that should execute on most flavors of linux There is a build script in the main software src directory that will allow users to build the executable on their own OS platform This software was written by Nigel Atkinson Met Office Exeter UK The changes to this package from version 1 1 are AMSU capability Added the capability of reading Advanced Microwave Sounding Unit AMSU HDFEOS

    Original URL path: http://cimss.ssec.wisc.edu/imapp/bufr_v1.2.shtml (2012-11-14)
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  • IMAPP - CIMSS
    Aqua direct broadcast AMSR E data from raw packets in PDS Production Data Set format into Level 2A calibrated data This software allows any ground station capable of receiving direct broadcast from Aqua to produce calibrated and geolocated Advanced Microwave Scanning Radiometer for EOS AMSR E antenna temperatures The software was developed by Remote Sensing Systems RSS The output consists of two binary files One contains brightness temperatures the other

    Original URL path: http://cimss.ssec.wisc.edu/imapp/amsre_cal.shtml (2012-11-14)
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  • IMAPP - CIMSS
    IMAPP AMSR E calibration and geolocation files and retrieves Rain Rate mm hr and Rain Type Convective Rain percentage and writes the output to an HDF EOS product file The software has been converted from the original DAAC software to run on direct broadcast input files The output files are very similar to the files distributed by the NSIDC DAAC Please see the AMSR E Rain Rate product web page

    Original URL path: http://cimss.ssec.wisc.edu/imapp/amsre_rainrate.shtml (2012-11-14)
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