Per-pixel uncertainty quantification and reporting for satellite-derived chlorophyll-a estimates via mixture density networks

AM Saranathan, B Smith… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Mixture density networks (MDNs) have emerged as a powerful tool for estimating water-
quality indicators, such as chlorophyll-a (Chl) from multispectral imagery. This study …

Satellite color observations of the phytoplankton distribution in the eastern equatorial pacific during the 1982-1983. El Nino

G Feldman, D Clark, D Halpern - Science, 1984 - science.org
Dramatic changes in the patterns of satellite-derived pigment concentrations around the
Galápagos Islands during February and March 1983 are associated with unusual …

Remote sensing and depth distribution of ocean chlorophyll

RC Smith - Marine Ecology Progress Series, 1981 - JSTOR
This note considers how chlorophyll, as estimated from Coastal Zone Color Scanner
(Nimbus 7 satellite) data, is related to the chlorophyll concentration in the oceanic water …

Seasonal variability of yellow substance absorption in the surface layer of the Baltic Sea

P Kowalczuk - Journal of Geophysical Research: Oceans, 1999 - Wiley Online Library
The value of the yellow substance absorption coefficient in the visible‐light spectrum is a
very important characteristic used in the optical classification of seawater. This quantity also …

Landsat TM based quantification of chlorophyll-a during algae blooms in coastal waters

S Ekstrand - International Journal of Remote Sensing, 1992 - Taylor & Francis
Simultaneous acquisition of Landsat TM imagery and sea truth data from sample sites in
Himmerfjärden bay on the Swedish east coast was conducted on 10 May 1988, and 7 May …

Oceanic primary production estimates from measurements of spectral irradiance and pigment concentrations

RR Bidigare, RC Smith, KS Baker… - Global Biogeochemical …, 1987 - Wiley Online Library
A major objective of biological oceanography today is to quantify the mean and the variance
of phytoplankton production on a global basis. Synoptic satellite sensing of the world's …

Empirical relationships between coloured dissolved organic matter (CDOM) absorption and apparent optical properties in Baltic Sea waters

P Kowalczuk, J Olszewski, M Darecki… - International Journal of …, 2005 - Taylor & Francis
Coloured dissolved organic matter (CDOM), also know as yellow substances, dissolved in
Baltic Sea waters is a dominant constituent, absorbing light in the blue and green parts of …

Variability in pigment particulate fluorescence and absorption spectra in the northeastern Pacific Ocean

BG Mitchell, DA Kieper - Deep Sea Research Part A. Oceanographic …, 1988 - Elsevier
Variability in concentration and type of marine particles is the dominant source of optical
variability in the oceans. As part of the Optical Dynamics Experiment (ODEX) spectral …

Improving chlorophyll-a estimation from Sentinel-2 (MSI) in the Barents Sea using machine learning

M Asim, C Brekke, A Mahmood, T Eltoft… - IEEE Journal of …, 2021 - ieeexplore.ieee.org
This article addresses methodologies for remote sensing of ocean Chlorophyll-a (Chl-a),
with emphasis on the Barents Sea. We aim at improving the monitoring capacity by …

Deriving vertical profiles of chlorophyll-a concentration in the upper layer of seawaters using ICESat-2 photon-counting lidar

H Zheng, Y Ma, J Huang, J Yang, D Su, F Yang… - Optics …, 2022 - opg.optica.org
Chlorophyll-a concentration (chl-a) is a great indicator for estimating phytoplankton biomass
and productivity levels and is also particularly useful for monitoring the water quality …