Bryan A Franz
Overview
Explore the profile of Bryan A Franz including associated specialties, affiliations and a list of published articles.
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Articles
32
Citations
171
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Recent Articles
1.
Aryal K, Zhai P, Gao M, Franz B, Knobelspiesse K, Hu Y
Opt Express
. 2024 Nov;
32(17):29921-29942.
PMID: 39573168
NASA's Plankton, Aerosol, Cloud, ocean Ecosystem (PACE) mission, recently launched in February 2024, carries two multiangle polarimeters (MAPs): the UMBC Hyper-Angular Rainbow Polarimeter (HARP2) and SRON Spectropolarimeter for Planetary Exploration...
2.
Franz B, Cetinic I, Ibrahim A, Sayer A
Commun Earth Environ
. 2024 May;
5(1):247.
PMID: 38736528
We report on observed trend anomalies in climate-relevant global ocean biogeochemical properties, as derived from satellite ocean color measurements, that show a substantial decline in phytoplankton carbon concentrations following eruptions...
3.
Zhang M, Ibrahim A, Franz B, Sayer A, Werdell P, McKinna L
Opt Express
. 2024 Feb;
32(2):2490-2506.
PMID: 38297777
Spectral remote sensing reflectance, R(λ) (sr), is the fundamental quantity used to derive a host of bio-optical and biogeochemical properties of the water column from satellite ocean color measurements. Estimation...
4.
Hannadige N, Zhai P, Werdell P, Gao M, Franz B, Knobelspiesse K, et al.
Appl Opt
. 2023 May;
62(13):3299-3309.
PMID: 37132830
We investigated the optimal number of independent parameters required to accurately represent spectral remote sensing reflectances ( ) by performing principal component analysis on quality controlled in situ and synthetic...
5.
Aryal K, Zhai P, Gao M, Franz B
Appl Opt
. 2023 Jan;
61(33):9985-9995.
PMID: 36606831
Instantaneous photosynthetically available radiation (IPAR) at the ocean surface and its vertical profile below the surface play a critical role in models to calculate net primary productivity of marine phytoplankton....
6.
Ibrahim A, Franz B, Sayer A, Knobelspiesse K, Zhang M, Bailey S, et al.
Appl Opt
. 2022 Oct;
61(22):6453-6475.
PMID: 36255869
Ocean color (OC) remote sensing requires compensation for atmospheric scattering and absorption (aerosol, Rayleigh, and trace gases), referred to as atmospheric correction (AC). AC allows inference of parameters such as...
7.
Zhang M, Ibrahim A, Franz B, Ahmad Z, Sayer A
Opt Express
. 2022 Oct;
30(17):31415-31438.
PMID: 36242224
The spectral distribution of marine remote sensing reflectance, R, is the fundamental measurement of ocean color science, from which a host of bio-optical and biogeochemical properties of the water column...
8.
Hannadige N, Zhai P, Gao M, Franz B, Hu Y, Knobelspiesse K, et al.
Opt Express
. 2021 Mar;
29(3):4504-4522.
PMID: 33771027
We developed a fast and accurate polynomial based atmospheric correction (POLYAC) algorithm for hyperspectral radiometric measurements, which parameterizes the atmospheric path radiances using aerosol properties retrieved from co-located multi-wavelength multi-angle...
9.
Frouin R, Franz B, Ibrahim A, Knobelspiesse K, Ahmad Z, Cairns B, et al.
Front Earth Sci (Lausanne)
. 2020 May;
7.
PMID: 32440515
The Plankton, Aerosol, Cloud, ocean Ecosystem (PACE) mission will carry into space the Ocean Color Instrument (OCI), a spectrometer measuring at 5nm spectral resolution in the ultraviolet (UV) to near...
10.
Pahlevan N, Sarkar S, Franz B
Remote Sens Environ
. 2020 Feb;
Volume 181:14-26.
PMID: 32020953
With increasing demands for ocean color (OC) products with improved accuracy and well characterized, per-retrieval uncertainty budgets, it is vital to decompose overall estimated errors into their primary components. Amongst...