Results 51 to 60 of about 18,281,908 (140)

Mapping Water Quality Parameters with Sentinel-3 Ocean and Land Colour Instrument imagery in the Baltic Sea

Remote Sensing, 2017
The launch of Ocean and Land Colour Instrument (OLCI) on board Sentinel-3A in 2016 is the beginning of a new era in long time, continuous, high frequency water quality monitoring of coastal waters.
Kaire Toming, Tiit Kutser, Rivo Uiboupin, Age Arikas, Kaimo Vahter, Birgot Paavel   +5 more
doaj   +1 more source

Retrieving Crop Leaf Chlorophyll Content Using an Improved Look-Up-Table Approach by Combining Multiple Canopy Structures and Soil Backgrounds

Remote Sensing, 2020
Leaf chlorophyll content (LCC) is a pivotal parameter in the monitoring of agriculture and carbon cycle modeling at regional and global scales. ENVISAT MERIS and Sentinel-3 OLCI data are suitable for use in the global monitoring of LCC because of their ...
Xiaojin Qian, Liangyun Liu
doaj   +1 more source

Remote sensing of suspended sediment in high turbid estuary from sentinel-3A/OLCI: A case study of Hangzhou Bay

Frontiers in Marine Science, 2022
The suspended sediment in water infers water quality, and directly reflects optical properties such as water transparency, turbidity, and water color. Thus, these physical properties provide a viable basis to rigorously retrieve for suspended sediment ...
Zhifeng Yu, Zhifeng Yu, Jingwen Wang, Yuan Li, CK Shum, CK Shum, Ben Wang, Xianqiang He, Huiyan Xu, Huiyan Xu, Yuzhuang Xu, Bin Zhou, Bin Zhou, Bin Zhou   +13 more
doaj   +1 more source

Estimating Submesoscale‐Driven Particulate Organic Carbon Flux From Remote Sensing at a Dynamic Upwelling Front

Journal of Geophysical Research: Oceans, Volume 131, Issue 8, August 2026.
Abstract Submesoscale (1–10 km) vertical velocities at fronts enhance the exchange of particulate organic carbon (POC) and heat between the surface ocean and depth. While POC and temperature can be readily assessed in situ, direct quantification of flux remains uncertain due to the observational challenges of measuring submesoscale vertical velocities ...
Sarah E. Lang, Melissa M. Omand, Mara A. Freilich, Andrey Y. Shcherbina, J. Thomas Farrar, Leo Middleton, Ernesto Rodríguez   +6 more
wiley   +1 more source

Hybrid Semi-Analytical Algorithm for Estimating Chlorophyll-A Concentration in Lower Amazon Floodplain Waters

Frontiers in Remote Sensing, 2022
The Amazon Basin is the largest on the planet, and its aquatic ecosystems affect and are affected by the Earth’s processes. Specifically, Amazon aquatic ecosystems have been subjected to severe anthropogenic impacts due to deforestation, mining, dam ...
Rogério Flores Júnior, Rogério Flores Júnior, Rogério Flores Júnior, Claudio Clemente Faria Barbosa, Daniel Andrade Maciel, Evlyn Marcia Leão de Moraes Novo, Vitor Souza Martins, Vitor Souza Martins, Felipe de Lucia Lobo, Lino Augusto Sander de Carvalho, Felipe Menino Carlos   +10 more
doaj   +1 more source

Key considerations for the use of satellite‐based remote sensing for lake and reservoir research and management

Ecosphere, Volume 17, Issue 7, July 2026.
Abstract Given the critical importance of freshwater for human well‐being and the myriad threats altering water quality and quantity, monitoring lakes and reservoirs is necessary to identify where, how, and why freshwater ecosystems are changing globally.
J. V. Trout‐Haney, J. A. Brentrup, K. L. Cottingham, K. C. Weathers, B. D. Cook, M. J. Ducey, C. Herrick, K. M. Johnson, M. W. Palace, B. G. Steele, M. C. Thompson, D. A. Lutz   +11 more
wiley   +1 more source

An extensive validation of ocean color products for the black sea

GIScience & Remote Sensing
Ocean color remote sensing provides an efficient approach to monitor the state and changes in water bodies on Earth. The validation of an ocean color product is a key step in assessing its accuracy, directly influencing the confidence with which ...
Dalin Jiang, Luis González Vilas, Elizabeth C. Atwood, Vittorio E. Brando, Simone Colella, Violeta Slabakova, Ivelin Petkov, Adriana Maria Constantinescu, Iulian Pojar, Adrian Stanica, Conor McGlinchey, Ximena Aguilar Vega, Douglas Moore, Evangelos Spyrakos, Andrew Tyler   +14 more
doaj   +1 more source

Quantifying Shifts in the Absorption Budget of the Labrador Sea as the Dominant Phytoplankton Group Changes Between Diatoms and Phaeocystis

Journal of Geophysical Research: Oceans, Volume 131, Issue 7, July 2026.
Abstract Phytoplankton spring blooms in the Labrador Sea are dominated by diatoms, with Phaeocystis spp. (hereafter Phaeocystis) contributing more than 25% to total phytoplankton biomass. However, in 2015 and 2022, large blooms of Phaeocystis were observed, contributing up to 90% of the surface phytoplankton biomass. In this study, we quantified shifts
K. L. Wilson, E. Devred, T. Perry, S. Clay   +3 more
wiley   +1 more source

Use of Sentinel-3 OLCI Images and Machine Learning to Assess the Ecological Quality of Italian Coastal Waters

Sensors, 2023
Understanding and monitoring the ecological quality of coastal waters is crucial for preserving marine ecosystems. Eutrophication is one of the major problems affecting the ecological state of coastal marine waters. For this reason, the control of the trophic conditions of aquatic ecosystems is needed for the evaluation of their ecological quality ...
Chiara Lapucci, Andrea Antonini, Emanuele Böhm, Emanuele Organelli, Luca Massi, Alberto Ortolani, Carlo Brandini, Fabio Maselli   +7 more
openaire   +6 more sources

System Vicarious Calibration of Sentinel-3 OLCI [PDF]

, 2017
Sentinel-3A (S3A), carrying the Ocean and Land Colour Instrument (OLCI), was successfully launched on February 16th 2016. It was the first of the series planned by the European Commission (EC) in the frame of COPERNICUS Sentinel program.
Dransfeld, Steffen, Lerebourg, Christophe, Lamquin, Nicolas, Bourg, Ludovic, Martin-Lauzer, Francois-Regis, Kwiatkowska, Ewa   +5 more
core   +1 more source