Hyperspectral absorption coefficient measurements during the cruise HE503 with RV HEINCKE
, 2021 This dataset was collected during the cruise HE503 (22.02.2018 - 01.03.2018) with RV HEINCKE from Bremerhaven, Germany to Bremerhaven, Germany. It contains absorption coefficients [m-1] from water constituents in a range of 400 to 710 nm (2 nm resolution)
Wollschläger, Jochen +3 more
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Constrained two-stream algorithm for calculating aerosol light absorption coefficient from the Particle Soot Absorption Photometer [PDF]
Atmospheric Measurement Techniques, 2014 We present a new correction scheme for filter-based absorption photometers based on a constrained two-stream (CTS) radiative transfer model and experimental calibrations.
T. Müller, A. Virkkula, J. A. Ogren
doaj +1 more source
Evaluation of Multiangle Absorption Photometry for Measuring Aerosol Light Absorption [PDF]
, 2005 A new multiangle absorption photometer for the measurement of aerosol light absorption was recently introduced that builds on the simultaneous measurement of radiation transmitted through and scattered back from a particle-loaded fiber filter at multiple
Arnott, W.P. +5 more
core +1 more source
Estimating specific inherent optical properties of tropical coastal waters using bio-optical model inversion and in situ measurements: case of the Berau estuary, East Kalimantan, Indonesia [PDF]
, 2010 Specific inherent optical properties (SIOP) of the Berau coastal waters were derived from in situ measurements and inversion of an ocean color model. Field measurements of water-leaving reflectance, total suspended matter (TSM), and chlorophyll a (Chl a)
C. M. Mannaerts +8 more
core +1 more source
A localised co-rotating auroral absorption event observed near noon using imaging riometer and EISCAT [PDF]
, 1996 International audienceAn isolated region of energetic electron precipitation observed near local noon in the auroral zone has been investigated using imaging riometer (IRIS) and incoherent-scatter radar (EISCAT) techniques.
P. N. Collis +8 more
core +2 more sources
Simultaneous Maximum-Likelihood Reconstruction of Absorption Coefficient, Refractive Index and Dark-Field Scattering Coefficient in X-Ray Talbot-Lau Tomography. [PDF]
PLoS ONE, 2016 A maximum-likelihood reconstruction technique for X-ray Talbot-Lau tomography is presented. This technique allows the iterative simultaneous reconstruction of discrete distributions of absorption coefficient, refractive index and a dark-field scattering ...
André Ritter +2 more
doaj +1 more source
Estimation of flattening coefficient for absorption and circular dichroism using simulation [PDF]
, 2009 The absorbance and circular dichroism (CD) of suspensions is lower than if the same amount of chromophore were uniformly distributed throughout the medium. Several mathematical treatments of this absorption flattening phenomenon have been presented using
Halling, P.J., Halling, Peter J.
core +4 more sources
A new method of studying the relation between ionization rates and radio-wave absorption in polar-cap absorption events [PDF]
, 2005 International audienceDuring polar-cap absorption events, which are caused by the incidence of energetic solar protons, the high-latitude ionospheric D region is extended down to relatively low altitudes. While the incoming proton fluxes may be monitored
Hargreaves, J. K., J. K. Hargreaves
core +2 more sources
The Reno Aerosol Optics Study: An evaluation of aerosol absorption measurement methods [PDF]
, 2005 The Reno Aerosol Optics Study (RAOS) was designed and conducted to compare the performance of many existing and new instruments for the in situ measurement of aerosol optical properties with a focus on the determination of aerosol light absorption. For
Virkkula, Aki +11 more
core +1 more source
Measurement of the diffuse field sound absorption using a sound field synthesis method
Acta Acustica, 2023 A method for measuring the diffuse field sound absorption coefficient of a material using sound field synthesis is proposed. A planar loudspeaker array is first used to generate acoustic plane waves with variable incidence angle on the surface of a ...
Dupont Samuel +5 more
doaj +1 more source