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Title: ASSESSING WATER QUALITY FROM TANSA BARRIER LAKE (ROMANIA) USING SENTINEL-2 DATA
ASSESSING WATER QUALITY FROM TANSA BARRIER LAKE (ROMANIA) USING SENTINEL-2 DATA

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A. F. Stoleriu; I. G. Breaban; A. P Stoleriu
10.5593/sgem2021/2.1/s10.61
1314-2704
978-619-7603-22-4
English
21
2.1
• Prof. DSc. Oleksandr Trofymchuk, UKRAINE
• Prof. Dr. hab. oec. Baiba Rivza, LATVIA
Photogrammetry and Remote Sensing
Improving and protecting water quality, for human needs, and for the sustainability of aquatic ecosystems, has become a global priority for this century, involving continuous monitoring of inland water resources, combining in situ measurements with satellite remote sensing, especially from the surface of the water. This could be possible through the Sentinel missions, respectively S2 and S3 of the European Space Agency, equipped with a multispectral instrument on board, which makes it possible to study inland water bodies. Tansa barrier lake is located inside of Bahlui catchment, situated in the central – north eastern part of Moldavian Plateau, characterized by an area of 352 ha, and 13.1 mil. m3 accumulated water volume. It is a permanent accumulation, made through a homogeneous earth dam, having a complex use, being used both for water supply of Belcesti village, and for irrigation and flood protection. The aim of present study was to evaluate some water quality parameters, using remote sensing techniques, through time series images between March - November 2020, in order to complete the in-situ measurements and understanding the particular and specific characteristics of the aquatic ecosystem. To accomplish the objectives, an experimental program was conducted. Remote sensing data provided by the S2 mission, consisting of 10 S2 images for which two types of geometric and atmospheric corrections were applied and subsequently processed using SNAP software. Using spectral bands with a spatial resolution of 10 m, the concentration of chlorophyll-a (Chl-a), turbidity (TU) and suspended matter (TSM) were determined. The results obtained are consistent with the ground tests, highlighting the possibility of using Sentinel 2 images to determine water quality parameters and water quality maps, especially red edge bands.
conference
https://www.sgem.org/index.php/jresearch-article?citekey=Stoleriu202110493500
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21st International Multidisciplinary Scientific GeoConference SGEM 2021
21st International Multidisciplinary Scientific GeoConference SGEM 2021, 16 - 22 August, 2021
Proceedings Paper
STEF92 Technology
SGEM International Multidisciplinary Scientific GeoConference
SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Serbian Acad Sci & Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts & Letters; Acad Fine Arts Zagreb Croatia; Croatian Acad Sci
247-254
16 - 22 August, 2021
website
cdrom
7913
Remote Sensing; Chlorophyll-a; Turbidity; Total Suspended Matter