Spatial Heterodyne Observations of Water (SHOW) vapour in the upper troposphere and lower stratosphere from a high altitude aircraft: Modelling and sensitivity analysis

Spatial Heterodyne Observations of Water (SHOW) vapour in the upper troposphere and lower... •The Spatial Heterodyne Observations of Water instrument is a limb-imaging SHS spectrometer that is being developed to measure the vertical distribution of water vapor in the UTLS from a spacecraft.•An imaging system is combined with the SHS spectrometer to observe limb scattered sunlight in a vibrational band of water centered at 1363.4 nm.•A prototype instrument has been developed and optimized for observations from NASA’s ER-2 aircraft.•A measurement simulator is developed to simulate measurements from the aircraft platform along a hypothetical flight path.•SHOW is capable of providing 500 m–1 km vertical resolution from 12 km–18 km region with 1 ppm accuracy. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Quantitative Spectroscopy & Radiative Transfer Elsevier

Spatial Heterodyne Observations of Water (SHOW) vapour in the upper troposphere and lower stratosphere from a high altitude aircraft: Modelling and sensitivity analysis

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Publisher
Elsevier
Copyright
Copyright © 2018 Elsevier Ltd
ISSN
0022-4073
eISSN
1879-1352
D.O.I.
10.1016/j.jqsrt.2018.01.026
Publisher site
See Article on Publisher Site

Abstract

•The Spatial Heterodyne Observations of Water instrument is a limb-imaging SHS spectrometer that is being developed to measure the vertical distribution of water vapor in the UTLS from a spacecraft.•An imaging system is combined with the SHS spectrometer to observe limb scattered sunlight in a vibrational band of water centered at 1363.4 nm.•A prototype instrument has been developed and optimized for observations from NASA’s ER-2 aircraft.•A measurement simulator is developed to simulate measurements from the aircraft platform along a hypothetical flight path.•SHOW is capable of providing 500 m–1 km vertical resolution from 12 km–18 km region with 1 ppm accuracy.

Journal

Journal of Quantitative Spectroscopy & Radiative TransferElsevier

Published: Apr 1, 2018

References

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