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Data Set OverviewThe data in these zip files contains Version 4 Common Microphysics Products for the DC8 aircraft during the TRMM/KWAJEX Field Campaign. SponsorThe distribution of these data sets is funded by NASA's Earth Science Enterprise. The data are not copyrighted; however, we request that when you publish data or results using these data, please acknowledge as follows:The authors wish to thank Dr. David Kingsmill, Desert Research Institute, Reno, Nevada for the production of these data and the Distributed Active Archive Center(Code 610.2) at the Goddard Space Flight Center, Greenbelt, MD, 20771, which archives and distributes them under sponsorship of NASA's Earth Science Enterprise. The FilesThe naming convention for the cmp files is
Each zip file corresponds to a flight leg defined in: http://www.atmos.washington.edu/gcg/MG/KWAJ/ops-web/prioritylegs/all_flt_legs/all_flt_legs.htmlFor example, leg_199908030408_kwajex_dc8.zip corresponds to the flight leg starting at 0408 UTC on August 3rd, 1999. All priority 4 and 5 KWAJEX flight legs for the DC8 have been processed except those with missing or bad data, or where the DC8 was the only aircraft on the leg. There are three different types of files contained within each leg_*.zip file: CMP files These are Common Microphysics Product files containing the information and formatted according to the CMP Document: CFP files These are Common Flight Product files used as input to the software for generating the CMP files: 2DC Image files There is one 2DC image file (jpeg format) for each 1 km sampling bin of the flight leg. Images are displayed in blue on top of vertically oriented, gray strips. The width of these strips is 1.6 mm and represents the diode array dimension (Y-axis). Occasionally, these strips may appear relatively wide. However, their width is always scaled to 1.6 mm. Displayed images may include artifacts that were eliminated from the quantitative analysis. The most common artifacts were streakers, thin images oriented normal to the diode array dimension. The images in each jpeg file are those nearest the center time of the relevant 1 km sampling bin, which is listed in the image file name. If the 2DC probe did not sense any particles in a particular 1 km sampling bin, images from before or after the sampling bin are displayed. Times for each pair of image strips are indicated in each image file. DocumentationThe original documentation for the DC8 Common Microphysics Products version 4 is available on the ftp site in microsoft word format, README_KWAJ_DC8_CMP_v4a.doc, and in ASCII text, README_KWAJ_DC8_CMP_v4a.txt Data Access and ContactsFTP SiteThe CMP data resides on DISC anonymous FTP. You may access the files from this document,
Points of ContactTechnical Inquiries about this Data should be addressed to the Principal Investigator for the NASA DC-8 Common Microphysics Products,
Goddard DISC, Code 610.2 NASA Goddard Space Flight Center Greenbelt, MD 20771 phone: 301-614-5224 fax: 301-614-5268 email: help-disc@listserv.gsfc.nasa.gov Last update:Thu Jan 8 09:32:44 EST 2004
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