Results 11 to 20 of about 26,343 (300)

A new approach to aquatic ecosystem monitoring of the Ob river [PDF]

open access: yesProceedings of the International Association of Hydrological Sciences, 2020
An integrated approach to aquatic ecosystem monitoring is being developed for the Ob river. The novelty of the approach is in transition to high-performance computing (HPC) under processing of remote sensing data and modeling of aquatic ecosystem ...
A. A. Tskhai   +4 more
doaj   +1 more source

Hindcasting water quality in an optically complex system [PDF]

open access: yesWIT Transactions on Ecology and the Environment, 2016
As is the case with many large lakes, field sampling records (and the understanding of historical water quality) in the Great Salt Lake natural surface water system are heavily limited due to time and cost constraints, as well as a number of independent organizations collecting and managing data. To address these deficiencies, remote sensing of surface
C. Hyatt Hansen   +4 more
openaire   +1 more source

Ocean Colour Atmospheric Correction for Optically Complex Waters under High Solar Zenith Angles: Facilitating Frequent Diurnal Monitoring and Management

open access: yesRemote Sensing, 2023
Accurate atmospheric correction (AC) is one fundamental and essential step for successful ocean colour remote-sensing applications. Currently, most ACs and the associated ocean colour remote-sensing applications are restricted to solar zenith angles ...
Yongquan Wang   +7 more
doaj   +1 more source

Bio-geo-optical modelling of natural waters

open access: yesFrontiers in Marine Science, 2023
The color of natural waters – oceanic, coastal, and inland – is determined by the spectral absorption and scattering properties of dissolved and particulate water constituents.
Shun Bi   +2 more
doaj   +1 more source

REMOTE SENSING OF WATER QUALITY IN OPTICALLY COMPLEX LAKES [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2012
Abstract. Solving of several global and regional problems requires adequate data about lake water quality parameters like the amount and type of phytoplankton dominating in the lakes, the amount of dissolved and coloured dissolved organic matter and/or concentration of suspended sediment.
T. Kutser   +4 more
openaire   +3 more sources

Consistency of Radiometric Satellite Data over Lakes and Coastal Waters with Local Field Measurements

open access: yesRemote Sensing, 2020
The Sentinel-3 mission launched its first satellite Sentinel-3A in 2016 to be followed by Sentinel-3B and Sentinel-3C to provide long-term operational measurements over Earth. Sentinel-3A and 3B are in full operational status, allowing global coverage in
Krista Alikas   +6 more
doaj   +1 more source

Meridional Changes in Satellite Chlorophyll and Fluorescence in Optically-Complex Coastal Waters of Northern Patagonia

open access: yesRemote Sensing, 2021
Northern Patagonia is one of the largest estuarine systems worldwide. It is characterized by complex geography, including islands, peninsulas, channels, and fjords.
Sebastián I. Vásquez   +3 more
doaj   +1 more source

Glint Removal Assessment to Estimate the Remote Sensing Reflectance in Inland Waters with Widely Differing Optical Properties

open access: yesRemote Sensing, 2018
The quality control of remote sensing reflectance (Rrs) is a challenging task in remote sensing applications, mainly in the retrieval of accurate in situ measurements carried out in optically complex aquatic systems. One of the main challenges is related
Nariane Bernardo   +6 more
doaj   +1 more source

In situ autonomous optical radiometry measurements for satellite ocean color validation in the Western Black Sea [PDF]

open access: yesOcean Science, 2015
The accuracy of primary satellite ocean color data products from the Moderate Resolution Imaging Spectroradiometer on-board Aqua (MODIS-A) and the Visible/Infrared Imager/Radiometer Suite (VIIRS) is investigated in the Western Black Sea using in situ ...
G. Zibordi   +3 more
doaj   +1 more source

A global approach for chlorophyll-a retrieval across optically complex inland waters based on optical water types [PDF]

open access: yesRemote Sensing of Environment, 2019
Abstract Numerous algorithms have been developed to retrieve chlorophyll-a (Chla) concentrations (mg m−3) from Earth observation (EO) data collected over optically complex waters. Retrieval accuracy is highly variable and often unsatisfactory where Chla co-occurs with other optically active constituents. Furthermore, the applicability and limitations
Neil, Claire   +3 more
openaire   +2 more sources

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