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  1. researchgate.net

    Satellite Remote Sensing of Chlorophyll-a in Subalpine Italian Lakes in the last 15 Years ... 2005 and 2016 were quite critical years; iv) trends show a slight tendency to increase ...
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  3. researchgate.net

    Satellite Remote Sensing of Chlorophyll-a in Subalpine Italian Lakes in the last 15 Years. ... time series obtained fr om differ ent satellites fr om 2003 in d iffer ent years of the subalpine lakes .
  4. boa.unimib.it

    Within this study we exploit a set of optical satellite data (MERIS, Sentinel-3, Sentinel-2, and Landsat-8) to assess chlorophyll-a concentration, as proxy trophic status in the largest Italian lakes in the subalpine ecoregion. Chlorophyll-a was retrieved based on the state-of-the-art algorithms, while statistical analysis tools (as Sen Slope ...
    Author:C Giardino, M Bresciani, I CazzanigaPublished:2018
  5. sciencedirect.com

    Dec 15, 2022Satellite remote sensing of chlorophyll-a concentration (chla) in oligotrophic and mesotrophic lakes faces uncertainties from sources such as atmospheric correction, complex inherent optical property compositions, and imperfect algorithmic retrieval. To improve chla estimation in oligo- and mesotrophic lakes, we developed Bayesian probabilistic neural networks (BNNs) for the Sentinel-3 Ocean ...
  6. Climate change has increased the temperature and altered the mixing regime of high-value lakes in the subalpine region of Northern Italy. Remote sensing of chlorophyll-a can help provide a time series to allow an assessment of the ecological implications of this. Non-parametric multiplicative regression (NPMR) was used to visualize and understand the changes that have occurred between 2003 ...
    Author:Gary Free, Mariano Bresciani, Monica Pinardi, Nicola Ghirardi, Giulia Luciani, Rossana Caroni, Claud...Published:2021
  7. researchgate.net

    optical remote sensing of lakes has expanded substantially over the past 50 years, with a sharp increase in the past 10-15 years as a consequence of improvements in sensor resolu- tion.
  8. link.springer.com

    Satellite remote sensing as a complement to traditional in situ monitoring ... One disadvantage of the NLA data is that data are only collected once every 5 years which limits the types of analysis and conclusions that it can support. ... B., Pollard, A.I. et al. Exploring the potential value of satellite remote sensing to monitor chlorophyll-a ...
  9. pubmed.ncbi.nlm.nih.gov

    Satellite remotely sensed chlorophyll-a offers the potential for more geographically and temporally dense data collection to support estimates when used to augment or substitute for in situ measures. In this study, we compare available chlorophyll-a data from in situ and satellite imagery measures at the national scale and perform a cost ...
  10. link.springer.com

    Jun 22, 2023Cyanobacterial blooms in lakes fueled by increasing eutrophication have garnered global attention, and high-precision remote sensing retrieval of chlorophyll-a (Chla) is essential for monitoring eutrophication. Previous studies have focused on the spectral features extracted from remote sensing images and their relationship with chlorophyll-a concentrations in water bodies, ignoring the ...
  11. sciencedirect.com

    We merged the Mediterranean chlorophyll a satellite data for the last two decades into a single dataset. We tested several techniques for reconstructing missing data and performed a general analysis. ... We used the SeaWiFS data from 1998 to 2003 and the MODIS-aqua ones from 2004 to 2020 for a total of 23 years (276 months). The 9 km ...

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