Performance of existing QAAs in Secchi disk depth retrieval in phytoplankton and dissolved organic matter dominated inland waters
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Applied Remote Sensing"
DOI: 10.1117/1.jrs.12.036017
Abstract: Abstract. A semianalytical model developed to estimate the Secchi disk depth (ZSD) was used in eutrophic-to-hypereutrophic reservoirs (Ibitinga, Ibi, and Barra Bonita, BB) placed in the cascade system of the Tietê River, Brazil. The model… read more here.
Keywords: zsd; retrieval; secchi disk; organic matter ... See more keywords
Biases in ocean color over a Secchi disk.
Sign Up to like & getrecommendations! Published in 2017 at "Optics express"
DOI: 10.1364/oe.25.0a1124
Abstract: The oldest record of ocean color measurements consists of visual comparisons to a standardized color scale, the Forel-Ule scale (FU). Analysis of FU archived data allows the construction of a century-long time series. In situ… read more here.
Keywords: color; secchi disk; biases ocean; ocean color ... See more keywords
High-frequency monitoring of Secchi-disk depth in Taihu Lake using Himawari-8/AHI data.
Sign Up to like & getrecommendations! Published in 2023 at "Optics express"
DOI: 10.1364/oe.484390
Abstract: Diurnal monitoring of the Secchi-disk depth (SDD) of eutrophic lakes is the basic requirement to ensure domestic, industrial, and agricultural water use in surrounding cities. The retrieval of SDD in high frequency and longer observation… read more here.
Keywords: high frequency; monitoring secchi; frequency; taihu ... See more keywords
Global maps of Forel–Ule index, hue angle and Secchi disk depth derived from 21 years of monthly ESA Ocean Colour Climate Change Initiative data
Sign Up to like & getrecommendations! Published in 2021 at "Earth System Science Data"
DOI: 10.5194/essd-13-481-2021
Abstract: Abstract. We document the development and public release of a new dataset (1997–2018), consisting of global maps of the Forel–Ule index, hue angle and Secchi disk depth. Source data come from the European Space Agency… read more here.
Keywords: forel ule; hue angle; ule index; angle secchi ... See more keywords