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Atmospheric Measurement Techniques An interactive open-access journal of the European Geosciences Union

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https://doi.org/10.5194/amt-2016-98
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Research article
23 May 2016
Review status
This discussion paper is a preprint. It has been under review for the journal Atmospheric Measurement Techniques (AMT). A final paper in AMT is not foreseen.
Measurement of limb radiance and Trace Gases in UV over Tropical region by Balloon-Borne Instruments – Flight Validation and Initial Results
A. G. Sreejith, Joice Mathew, Mayuresh Sarpotdar, K. Nirmal, Ambily Suresh, Ajin Prakash, Margarita Safonova, and Jayant Murthy Indian Institute of Astrophysics, Bangalore, India
Abstract. We describe a method to measure the solar scattered UV radiance and trace gases in the upper troposphere and stratosphere using a spectrograph carried by high-altitude balloons. The flights have been conducted over tropical regions near urban areas. The instrumentation was developed using off-the-shelf components and can be easily reproduced. We describe the design of the instrument, its operation in flight and discuss some flight result. Observations of the scattered solar radiance were performed by looking towards the Earth's limb at Sun angles of more than 90 degrees at altitudes of 10 to 29 km. This method allows us to estimate the variation of the scattered UV solar radiance with height. It also can be used to measure the column densities in the upper atmosphere.

Citation: Sreejith, A. G., Mathew, J., Sarpotdar, M., Nirmal, K., Suresh, A., Prakash, A., Safonova, M., and Murthy, J.: Measurement of limb radiance and Trace Gases in UV over Tropical region by Balloon-Borne Instruments – Flight Validation and Initial Results, Atmos. Meas. Tech. Discuss., https://doi.org/10.5194/amt-2016-98, 2016.
A. G. Sreejith et al.
Interactive discussionStatus: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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RC1: 'Review for manuscript Atmos. Meas. Tech. Discuss., doi: 10.5194/amt-2016-98, 2016 by Sreejith et al.,', Anonymous Referee #1, 06 Jun 2016 Printer-friendly Version Supplement 
 
RC2: 'Review of amt-2016-98', Anonymous Referee #2, 14 Jun 2016 Printer-friendly Version 
 
RC3: 'Referee report (amt-2016-98)', Anonymous Referee #3, 06 Jul 2016 Printer-friendly Version 
A. G. Sreejith et al.
A. G. Sreejith et al.

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