SI-traceable solar irradiance measurements for aerosol optical depth retrieval

Autor: Natalia Kouremeti, Saulius Nevas, Stelios Kazadzis, Julian Gröbner, Philipp Schneider, Kerstin Maria Schwind

Publikováno v: Metrologia. 59:044001

The overall aim of this study is to enable the traceable to International System of Units (SI) determination of column-integrated aerosol optical depth (AOD) retrieved from the passive remote sensing of the atmosphere using SI-traceable direct solar

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9ca5a719ea8a31a452dd60c16fb16fbb
https://doi.org/10.1088/1681-7575/ac6cbb

Calibration of a modular trap detector system towards a new realisation of the luminous intensity unit

Autor: Philipp Schneider, Saulius Nevas, Detlef Lindner, Lutz Werner, Ulrike Linke, Armin Sperling

Publikováno v: Journal of Physics: Conference Series. 2149:012008

A modular photometric trap detector system has recently been developed at Physikalisch-Technische Bundesanstalt (PTB). All parts of the detector are now completely calibrated. The new planned traceability chain for the realisation of luminous intensi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::71732ffe1da59e8859991a9394439f63
https://doi.org/10.1088/1742-6596/2149/1/012008

Out-of-Range Stray Light Characterization of Single-Monochromator Brewer Spectrophotometers

Autor: Tomi Karppinen, Meelis-Mait Sildoja, Saulius Nevas, Joop Mes, Juha Karhu, Steffen Gross, Lionel Doppler, Erkki Ikonen, Anna Vaskuri, Petri Kärhä, Tomi Pulli, Kaisa Lakkala, Maksim Shpak, Farshid Manoocheri

Publikováno v: Pulli, T, Karppinen, T, Nevas, S, Kärhä, P, Lakkala, K, Karhu, J M, Sildoja, M, Vaskuri, A, Shpak, M, Manoocheri, F, Doppler, L, Gross, S, Mes, J & Ikonen, E 2018, ' Out-of-Range Stray Light Characterization of Single-Monochromator Brewer Spectrophotometers ', Atmosphere-Ocean, vol. 56, no. 1, pp. 1-11 . https://doi.org/10.1080/07055900.2017.1419335

Stray light in single-monochromator Brewer instruments increases the uncertainty of solar ultraviolet spectral irradiance measurements and ozone retrievals. To study how spectral irradiance within and outside the measurement ranges of the instruments

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b29e09a776835c3d6ea9c8b4ea696ecf
http://juuli.fi/Record/0283866617

Implementation and uncertainty evaluation of spectral stray light correction by Zong’s method

Autor: Maximilian Franke, Saulius Nevas, Karsten Bothe, Carsten Schinke

Publikováno v: Applied Optics. 58:9998

We present a guide to the implementation and uncertainty evaluation for spectral stray light corrections according to the widely used method as proposed by Zong et al. [Appl. Opt.45, 1111 (2006)APOPAI0003-693510.1364/AO.45.001111]. The uncertainty an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a73ae0954f35b2830f88a350f8dce98c
https://doi.org/10.1364/ao.58.009998

Adaption of an array spectroradiometer for total ozone column retrieval using direct solar irradiance measurements in the UV spectral range

Autor: Ralf Zuber, Saulius Nevas, P. Sperfeld, Gunther Seckmeyer, Meelis Sildoja, Stefan Riechelmann

Publikováno v: Atmospheric Measurement Techniques 11 (2018), Nr. 4
Atmospheric Measurement Techniques, Vol 11, Pp 2477-2484 (2018)

A compact array spectroradiometer technology that enables precise and robust measurements of UV spectral irradiance is presented. The spectroradiometer design allows various applications such as measurement of high-power UV lamps, risk assessment of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::664725d17db2f30941522c8d92784ad6
http://www.repo.uni-hannover.de/handle/123456789/3462