On Correlation between Inherent Optical Properties at 650 nm, Secchi Depth and Blue-green Algal Abundance for the Gorky Reservoir
https://doi.org/10.7868/S2073667318030036
Abstract
The present work is devoted to the investigation of the hydro-optical regime of the Gorky reservoir, based on shipboard and laboratory measurements of the characteristics of optically active components and inherent optical properties in 2016 year. The data collected at 97 stations covering more than half the area of the lake part of the reservoir are analyzed. The dominant influence of blue-green algae on the transparency of the water column was observed under the quasi-constant spatio-temporal distribution of dissolved organic matter at the level of 11—12 mg/l and the negligible presence of a mineral suspension. The limits of the Secchi depth variability from 0.2 to 3.5 m respectively algal abundance from 500 to 100 000 cells/ml are established. For this ranges regressions between some inherent optical properties and blue-green algal abundance were constructed as well as formulas for estimating attenuation coefficient and the single scattering albedo by Secchi depth were obtained.
Supporting agencies: This work was supported by grants RFBR № 17-05-00897.
About the Authors
A. A. Molkov
Institute of Applied Physics RAS
Russian Federation
Russian Federation
Nizhny Novgorod
I. A. Kapustin
Institute of Applied Physics RAS
Russian Federation
Russian Federation
Nizhny Novgorod
Yu. B. Shchegolkov
Institute of Applied Physics RAS
Russian Federation
Russian Federation
Nizhny Novgorod
E. L. Vodeneeva
Lobachevsky State University of Nizhny Novgorod
Russian Federation
Russian Federation
Nizhny Novgorod
I. N. Kalashnikov
Privolzhsky Research Medical University
Russian Federation
Russian Federation
Nizhny Novgorod
References
1. Kudela R. M. et al. Application of hyperspectral remote sensing to cyanobacterial blooms in inland waters. Remote Sensing of Environment. 2015, 167, 196—205.
2. Duan H., Ma R., Hu C. Evaluation of remote sensing algorithms for cyanobacterial pigment retrievals during spring bloom formation in several lakes of East China. Remote Sensing of Environment. 2012, 126, 126—135.
3. Alikas K., Kangro K., Reinart A. Detecting cyanobacterial blooms in large North European lakes using the Maximum Chlorophyll Index. Oceanologia. 2010, 52, 2, 237—257.
4. Brueck S.R.J. Seeing Photons: progress and limits of visible and infrared sensor arrays. Washington, D.C., The National Academies Press, 2010. 194 p.
5. McManamon P. F. Laser radar: Progress and opportunities in active electro-optical sensing. Washington, D.C., The National Academies Press, 2014. 310 p.
6. Dolin L. S. Statistical model of lidar echoes for the optical monitoring of highly eutrophic waters. Proceeding of XIV All-Russia Conference “Advanced Technologies of Hydroacoustics and Hydrophysics”. St.-Petersburg, 2018, 246—249 (in Russian).
7. Phillips G., Lyche-Solheim A., Skjelbred B., Mischke U., Drakare S., Free G., Järvinen M., Hoyos C., Morabito G., Poikane S., Carvalho L. A phytoplankton trophic index to assess the status of lakes for the Water Framework Directive. Hydrobiologia. 2013, 704, 1, 75—95.
8. LIMNADES Project. University of Stirling. URL: https://www.limnades.org/home.psp (date of access: 12.02.2018).
9. Hydrometeorological regime of lakes and reservoirs of the USSR. Reservoirs of upper the Volga river. L., Gidrometeooizdat, 1975. 292 p. (in Russian).
10. Ohapkin A. G., Mikulchik I. A., Korneva L. G., Mineeva N. M. Phytoplankton of the Gorky reservoir. Tolyatti, 1997. 224 p. (in Russian).
11. Kapustin I. A., Ermakov S. A., Molkov A. A., Erina O. N., Sokolov D. I., Tereshina M. A., Vilimovich E. A. Full-scale studies of vortex structures and variations of hydrochemical indicators in the Gorky reservoir. Proc. Conf. “Sovremennye problemy distancionnogo zondirovaniya Zemli iz kosmosa”. Moscow, 2017. P. 256 (in Russian).
12. Molkov A. A., Kalinskaya D. V., Kapustin I. A., Korchemkina E. N., Osokina V. A., Pelevin V. V. On the prospects of remote evaluation of hydrobiooptical characteristics of inland fresh water bodies based on the results of expeditions to the Gorky reservoir in 2016. Ecological safety of coastal and shelf zones of sea. MGI RAN, Sevastopol, 2017, 59—67 (in Russian).
13. Dolin L. S., Levin I. M., Radomysl’skaya T. M. New instrument for measuring the scattering coefficient and the concentration of suspended particles in turbid water. Proc. SPIE. Ocean Optics XII. 1994, 2258, 522—526.
14. Mineeva N. M., Shchure L. A. Chlorophyll a content in phytoplankton biomass. Аlgologia. 2012, 22, 4, 441—456 (in Russian).
Review
For citations:
Molkov A.A., Kapustin I.A., Shchegolkov Yu.B., Vodeneeva E.L., Kalashnikov I.N. On Correlation between Inherent Optical Properties at 650 nm, Secchi Depth and Blue-green Algal Abundance for the Gorky Reservoir. Fundamental and Applied Hydrophysics. 2018;11(3):26-33. https://doi.org/10.7868/S2073667318030036
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