Upper Troposphere/Lower Stratosphere
Phosgene in the Upper Troposphere and Lower Stratosphere: A Marker for Product Gas Injection Due to Chlorine‐Containing Very Short Lived Substances
... which has attracted particular interest recently on account of the inconsistency between observations of its abundance and estimated sources and sinks (e.g., Liang et al., 2014). Therefore, the role of phosgene as a ...
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Improved GOMOS/Envisat ozone retrievals in the upper troposphere and the lower stratosphere
... The GOMOS ozone data are of high quality in the strato- sphere and the mesosphere, but the current operational re- trieval algorithm (IPF v6) is not optimized for retrievals in the upper ...
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Evaluation of water vapour assimilation in the tropical upper troposphere and lower stratosphere by a chemical transport model
... Hegglin, M. I., Gettelman, A., Hoor, P., Krichevsky, R., Manney, G. L., Pan, L. L., Son, S.-W., Stiller, G., Tilmes, S., Walker, K. A., Eyring, V., Shepherd, T. G., Waugh, D., Akiyoshi, H., Añel, J. A., Austin, J., ...
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Two-dimensional performance of MIPAS observation modes in the upper-troposphere/lower-stratosphere
... the Upper- Troposphere/Lower-Stratosphere (UT/LS) region although one of them has been operated for only 15 test orbits and then excluded from the operational duty ...
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Upper-troposphere and lower-stratosphere water vapor retrievals from the 1400 and 1900 nm water vapor bands
... Abstract. Measuring water vapor in the upper troposphere and lower stratosphere is difficult due to the low mixing ratios found there, typically only a few parts per million. Here we examine ...
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Retrieval of water vapor vertical distributions in the upper troposphere and the lower stratosphere from SCIAMACHY limb measurements
... and upper tro- pospheric water vapor contents is well justified due to its ma- jor role in determining the radiative and chemical properties of the Earth’s ...the upper troposphere and lower ...
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Variation of Zonal Winds in the Upper Troposphere and Lower Stratosphere in Association with Deficient and Excess Indian Summer Monsoon Scenario
... of lower stratosphere zonal wind anomaly minus the upper troposphere zonal wind ...of upper troposphere and lower stratosphere with ISMR is significant at 95% ...
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Comparison of three retrievals of COSMIC GPS radio occultation results in the tropical upper troposphere and lower stratosphere
... the stratosphere up to a 30-km altitude, which is called ...the upper troposphere and lower stratosphere (UTLS) over the tropics from October 1, 2011, to March 31, 2012, when radiosonde ...
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Effects of ozone cooling in the tropical lower stratosphere and upper troposphere
... and upper troposphere and elucidate the key role of ozone changes in driving temperature trends in this ...and lower pressures can lead to significant cooling not only at stratospheric levels, but ...
6
Measurement of low-ppm mixing ratios of water vapor in the upper troposphere and lower stratosphere using chemical ionization mass spectrometry
... the first aircraft flights the ionization source pressure was adjusted to achieve a high sensitivity and correspondingly high S/N while maintaining a useful dynamic range for the UT/LS region (1–150 ppm). An increase in ...
15
A laser-induced fluorescence instrument for aircraft measurements of sulfur dioxide in the upper troposphere and lower stratosphere
... ditional expected PMT count is equal to the precision due to Poisson statistics (55 ppt). Therefore, we typically use the data when the observed count rate is less than 90 % of the laser repetition rate, eliminating ...
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Ground-based water vapor raman lidar measurements up to the upper troposphere and lower stratosphere for long-term monitoring
... the upper troposphere for the RS92 and a wet bias was found for all three lidars, even though the lidars showed excellent agree- ment with each other (Leblanc et ...
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A two-channel, tunable diode laser-based hygrometer for measurement of water vapor and cirrus cloud ice water content in the upper troposphere and lower stratosphere
... sufficiently lower than the inlet sampling pressures at the highest flight altitudes for Global Hawk operation to enable cell pressures and flows to be held constant at all aircraft flight ...
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The impact of recent changes in Asian anthropogenic emissions of SO₂ on sulfate loading in the upper troposphere and lower stratosphere and the associated radiative changes
... the lower troposphere ...the lower troposphere ...the upper troposphere during the pre-monsoon season and in the lower to mid-troposphere during the winter season ...
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Radio occultation bending angle anomalies during tropical cyclones
... the upper troposphere lower ...the upper troposphere and lower stratosphere and that a double tropopause during deep convection can easily be detected us- ing this ...
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Trajectory matching of ozonesondes and MOZAIC measurements in the UTLS – Part 1: Method description and application at Payerne, Switzerland
... the upper troposphere/lower stratosphere (UTLS), we use three-dimensional forward and backward trajectories, driven by ERA-Interim wind fields to match and compare ozonesonde measurements at ...
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First observational study during a solar eclipse event on variations in the horizontal winds simultaneously in the troposphere stratosphere mesosphere lower thermosphere region over the equatorial station Thumba (8 5°N, 77°E)
... the lower at- mospheric regions, which induces a downward ...the lower atmo- sphere resulting in a warming of that ...the lower and upper troposphere, and 6–8 ◦ C in the lower ...
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Multi-Sensor Calibration and Validation of the UWO-PCL Water Vapour Lidar
... Currently, water vapour mixing ratio can be measured by various kinds of satellites such as the Atmospheric Chemistry Experiment (ACE), through measurements from humidity sensors mounted on commercial and research ...
138
Validation of Aura MLS retrievals of temperature, water vapour and ozone in the upper troposphere and lower–middle stratosphere over the Tibetan Plateau during boreal summer
... of upper tropospheric temperature should exercise care before using v4 (especially for studies of individual ...the upper troposphere) relative to ...
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Radiative forcing in the 21st century due to ozone changes in the troposphere and the lower stratosphere
... the lower stratosphere and its impact on radiative forcing by applying two models that calculate both tropospheric and stratospheric ...The lower stratosphere contributes an additional ...
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