Stratospheric controlled perturbation experiment: a small-scale experiment to improve understanding of the risks of solar geoengineering

JA Dykema, DW Keith… - … Transactions of the …, 2014 - royalsocietypublishing.org
Although solar radiation management (SRM) through stratospheric aerosol methods has the
potential to mitigate impacts of climate change, our current knowledge of stratospheric …

A case study of convectively sourced water vapor observed in the overworld stratosphere over the United States

JB Smith, DM Wilmouth, KM Bedka… - Journal of …, 2017 - Wiley Online Library
Abstract On 27 August 2013, during the Studies of Emissions and Atmospheric Composition,
Clouds and Climate Coupling by Regional Surveys field mission, NASA's ER‐2 research …

Transfer-learning-based multi-wavelength laser sensor for high fidelity and real-time monitoring of ambient temperature and humidity

L Ma, W Hu, W Wang, Y Wang - Applied Optics, 2023 - opg.optica.org
Multi-wavelength laser absorption spectroscopy has the advantages of superior sensitivity,
accuracy, and robustness for gas sensing applications, offering an opportunity for the …

Extreme altitudes of stratospheric hydration by midlatitude convection observed during the DCOTSS field campaign

CR Homeyer, JB Smith, KM Bedka… - Geophysical …, 2023 - Wiley Online Library
Water vapor's contribution to Earth's radiative forcing is most sensitive to changes in its lower
stratosphere concentration. One recognized pathway for rapid increases in stratospheric …

Absolute validation of a diode laser hygrometer via intercomparison with the German national primary water vapor standard

B Buchholz, N Böse, V Ebert - Applied Physics B, 2014 - Springer
Direct tunable diode laser absorption spectroscopy (dTDLAS) is a powerful diagnostic
technique for absolute and accurate gas analysis with highest chemical specificity. Due to its …

Airborne observations of upper troposphere and lower stratosphere composition change in active convection producing above-anvil cirrus plumes

AE Gordon, CR Homeyer, JB Smith… - Atmospheric …, 2024 - acp.copernicus.org
Tropopause-overshooting convection in the midlatitudes provides a rapid transport pathway
for air from the lower troposphere to reach the upper troposphere and lower stratosphere …

Evaluation of UT/LS hygrometer accuracy by intercomparison during the NASA MACPEX mission

AW Rollins, TD Thornberry, RS Gao… - Journal of …, 2014 - Wiley Online Library
Acquiring accurate measurements of water vapor at the low mixing ratios (< 10 ppm)
encountered in the upper troposphere and lower stratosphere (UT/LS) has proven to be a …

HAI, a new airborne, absolute, twin dual-channel, multi-phase TDLAS-hygrometer: background, design, setup, and first flight data

B Buchholz, A Afchine, A Klein, C Schiller… - Atmospheric …, 2017 - amt.copernicus.org
The novel Hygrometer for Atmospheric Investigation (HAI) realizes a unique concept for
simultaneous gas-phase and total (gas-phase+ evaporated cloud particles) water …

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 …

TD Thornberry, AW Rollins, RS Gao… - Atmospheric …, 2015 - amt.copernicus.org
The recently developed NOAA Water instrument is a two-channel, closed-path, tunable
diode laser absorption spectrometer designed for the measurement of upper …

Using the NAMA as a natural integrator to quantify the convective contribution to lower stratospheric water vapor over North America

DS Sayres, JB Smith, DM Wilmouth… - Journal of …, 2024 - Wiley Online Library
The dynamical environment of the stratosphere, during the summer over North America,
provides a natural integrator of the impact of convection in the lower stratosphere, as air can …