Comparison of precipitable water vapor measurements obtained by microwave radiometry and radiosondes at the Southern Great ...

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Comparisons between the precipitable water vapor (PWV) estimated by passive microwave radiometers (MWRs) and that obtained by integrating the vertical profile of water vapor density measured by radiosondes (BBSS) have generally shown good agreement. These comparisons, however, have usually been done over rather short time periods and consequently within limited ranges of total PWV and with limited numbers of radiosondes. We have been making regular comparisons between MWR and BBSS estimates of PWV at the Southern Great Plains Cloud and Radiation Testbed (SGP/CART) site since late 1992 as part of an ongoing quality measurement experiment (QME). This suite of comparisons ... continued below

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5 p.

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Lesht, B.M. & Liljegren, J.C. December 31, 1996.

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Comparisons between the precipitable water vapor (PWV) estimated by passive microwave radiometers (MWRs) and that obtained by integrating the vertical profile of water vapor density measured by radiosondes (BBSS) have generally shown good agreement. These comparisons, however, have usually been done over rather short time periods and consequently within limited ranges of total PWV and with limited numbers of radiosondes. We have been making regular comparisons between MWR and BBSS estimates of PWV at the Southern Great Plains Cloud and Radiation Testbed (SGP/CART) site since late 1992 as part of an ongoing quality measurement experiment (QME). This suite of comparisons spans three annual cycles and a relatively wide range of total PWV amounts. Our findings show that although for the most part the agreement is excellent, differences between the two measurements occur. These differences may be related to the MWR retrieval of PWV and to calibration variations between radiosonde batches.

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5 p.

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OSTI as DE97003240

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  • 6. Atmospheric Radiation Measurement (ARM) science team meeting, San Antonio, TX (United States), 4-7 Mar 1996

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  • Other: DE97003240
  • Report No.: ANL/ER/CP--88806
  • Report No.: CONF-9603149--4
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 460782
  • Archival Resource Key: ark:/67531/metadc679056

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  • December 31, 1996

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  • July 25, 2015, 2:21 a.m.

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  • Dec. 14, 2015, 6:32 p.m.

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Lesht, B.M. & Liljegren, J.C. Comparison of precipitable water vapor measurements obtained by microwave radiometry and radiosondes at the Southern Great ..., article, December 31, 1996; Illinois. (digital.library.unt.edu/ark:/67531/metadc679056/: accessed April 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.