Results 111 to 120 of about 2,376 (230)

A Novel Ice Cloud Optical Property Model for Passive and Active Remote Sensing Applications

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 12, 28 June 2026.
Abstract A new broad‐spectrum ice cloud optical property model, namely the Passive‐Active Remote Sensing Consistent (PARSC) model, is developed to achieve consistency between passive and active sensor‐based ocean‐occurring ice cloud property retrievals.
J. Coy   +4 more
wiley   +1 more source

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

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  

Radiocarbon Evidence for the Springtime Injection of South Himalayas Biomass Burning Into the Urban Tibetan Plateau

open access: yesGeophysical Research Letters, Volume 53, Issue 12, 28 June 2026.
Abstract Carbonaceous aerosols (CA) on the Tibetan Plateau (TP) accelerate glacial melt, yet decoupling local emissions from transboundary transport remains challenging. We conducted a year‐long radiocarbon (14C) study in Lhasa, identifying it as a CA hotspot. Fossil fuels dominated EC (69%), while non‐fossil sources contributed 54% to OC.
Jie Zhang   +14 more
wiley   +1 more source

GNSS Zenith Wet Delay as a Boundary Layer Diagnostic: Regime‐Dependent Turbulence Signatures From Large Eddy Simulation and Observations

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 12, 28 June 2026.
Abstract Global Navigation Satellite Systems (GNSS) provide continuous measurements of zenith wet delay (ZWD), reflecting column‐integrated atmospheric water vapor. While the slowly varying ZWD is routinely assimilated in numerical weather prediction, the rapid fluctuations on timescales of seconds to minutes that arise from boundary‐layer turbulence ...
Gaël Kermarrec   +3 more
wiley   +1 more source

Engineering Angular Dispersion via Hybrid Local–Nonlocal Metasurfaces

open access: yesNanophotonics, Volume 15, Issue 12, 25 June 2026.
A single‐layer hybrid local–nonlocal silicon metasurface is experimentally demonstrated as a polarization‐insensitive angular filter in transmission. By combining local nanopillar response, lattice‐mediated interactions near the Rayleigh anomaly, and diffraction‐assisted substrate coupling, the platform maintains high transmission within a ±15° $\pm ...
Shany Z. Cohen   +5 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  

A Two Micron Coherent Differential Absorption Lidar Development

open access: yes, 2010
A pulsed, 2-micron coherent Differential Absorption Lidar (DIAL)/Integrated Path Differential Absorption (IPDA) transceiver, developed under the Laser Risk Reduction Program (LRRP) at NASA, is integrated into a fully functional lidar instrument.
Chen, Songsheng   +10 more
core   +1 more source

Research on the Correction Algorithm for Ozone Inversion in Differential Absorption Lidar

open access: yesPhotonics
Due to the complex and variable nature of the atmospheric conditions, traditional multi-wavelength differential absorption lidar (DIAL) methods often suffer from significant errors when inverting ozone concentrations.
Leyong Li   +3 more
doaj   +1 more source

Direct Detection Differential Absorption LIDAR for Multi-Species Atmospheric Sensing in the 2-µm Range

open access: yes, 2016
International audienceA direct detection atmospheric differential absorption lidar, based on a high energy optical parametric source at 2 μm to address CO2, CH4 and H2O, is presented.
Antoine Godard   +17 more
core   +1 more source

Data collection and analysis for HCl, SO , and NO immission-emission differential absorption lidars

open access: yes, 1985
With 3 figs., 1 tab.SIGLECopy held by FIZ Karlsruhe; available from UB/TIB Hannover / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische ...
Heinrich, H.J.   +6 more
core  

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