Results 101 to 110 of about 3,001,365 (195)

Differential absorption lidar for water vapour in the atmosphere [PDF]

open access: yes, 2002
Looks at the development of Differential Absorption Lidar based on diode lasers for profiling the temporal and vertical distribution of water vapour in the atmosphere.
Bae, Kwang-Ho
core  

The Overlooked Role of Alongshore Beach Non‐Uniformity in Short‐Term Shoreline Variability

open access: yesGeophysical Research Letters, Volume 53, Issue 21, 16 November 2026.
Abstract Long‐term beach monitoring and satellite‐derived shoreline products are typically validated, and shoreline models calibrated, along cross‐shore transects. Open sandy beaches, however, are rarely uniform alongshore, because crescentic megacusps migrate past fixed transects, and their effect on single‐transect records remains unquantified.
Xinyu Chen   +4 more
wiley   +1 more source

Validation of double-pulse 1572 nm integrated path differential absorption lidar measurement of carbon dioxide

open access: yesEPJ Web of Conferences, 2018
A ground-based double-pulse 1572 nm integrated path differential absorption (IPDA) lidar was developed for carbon dioxide (CO2) column concentrations measurement.
Du Juan   +6 more
doaj   +1 more source

Simulation of the performance of WALES based on an end-to-end model [PDF]

open access: yes, 2004
WALES (Water Vapour Lidar Experiment in Space) is one of the experiments considered by ESA for selection as Earth Explorer Core mission in the frame of the Earth Observation Envelope Programme.
Kiemle, Christoph   +15 more
core  

Moisture Aggregation and the Cloud Transition Zone Shape Mesoscale Aerosol Properties

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 21, 16 November 2026.
Abstract Mesoscale moisture aggregation and cloud organization in shallow convection have gained much attention regarding their role in Earth's energy budget and cloud feedbacks on climate. Because aerosol particles swell in humid air, mesoscale moisture patterns are expected to be accompanied by corresponding variations in aerosol optical depth (AOD).
Eshkol Eytan   +4 more
wiley   +1 more source

The concentration-estimation problem for multiple-wavelength differential absorption lidar [PDF]

open access: yes, 1994
We are seeking to develop a reliable methodology for multi-chemicai detection and discrimination based upon multi-wavelength differential absorption lidar measurements.
Payne, A. N.
core  

Triple-Pulsed Two-Micron Integrated Path Differential Absorption Lidar: A New Active Remote Sensing Capability with Path to Space

open access: yesEPJ Web of Conferences, 2016
The two-micron wavelength is suitable for monitoring atmospheric water vapor and carbon dioxide, the two most dominant greenhouse gases. Recent advances in 2-μm laser technology paved the way for constructing state-of-the-art lidar transmitters for ...
Singh Upendra N.   +3 more
doaj   +1 more source

AIM‐Photonics Visible‐to‐Near‐Infrared Silicon‐Nitride‐Based Silicon‐Photonics Platform and Component Library

open access: yesNanophotonics, Volume 15, Issue 21, 12 November 2026.
A comprehensive component library is presented for a 300‐mm‐wafer silicon‐nitride foundry platform operating at wavelengths spanning from 450 to 1000 nm. Waveguides, couplers, splitters, crossings, interlayer transitions, polarization devices, sensing‐trench structures, and thermo‐optic phase shifters are experimentally characterized across four ...
Andres Garcia Coleto   +22 more
wiley   +1 more source

Differential absorption lidar monitoring of atmospheric atomic mercury in China using a novel mobile system

open access: yes, 2017
Mercury is a severe pollutant in China. A novel mobile laser spectroscopy laboratory was constructed and used in differential absorption lidar mapping in major Chinese cities, a heavily polluted mining area and an archeological ...
Li, Yiyun   +18 more
core   +1 more source

Measurements of Water Vapor Profiles with Compact DIAL in the Tokyo Metropolitan Area

open access: yesEPJ Web of Conferences, 2018
In recent years, the frequency of occurrence of locally heavy rainfall that can cause extensive damages, has been increasing in Japan. For early prediction of heavy rainfall, it is useful to measure the water vapor vertical distribution upwind cumulus ...
Abo Makoto   +4 more
doaj   +1 more source

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