Spatial and temporal variations of the inherent optical properties in a tropical cascading reservoir system

In order to verify the effect of a cascade system in the water quality of two tropical reservoirs in Brazil, this work proposed to make use of the inherent optical properties (IOPs) as well as the specific inherent optical properties (SIOPs). From upstream to downstream, Barra Bonita (BB) is the fir...

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Bibliographic Details
Published in:Modeling earth systems and environment 2016-06, Vol.2 (2), p.1-9, Article 86
Main Authors: Rodrigues, Thanan, Alcântara, Enner, Watanabe, Fernanda, Bernardo, Nariane, Rotta, Luiz, Imai, Nilton
Format: Article
Language:English
Subjects:
Cascading
Chemistry and Earth Sciences
Computer Science
Earth and Environmental Science
Earth Sciences
Earth System Sciences
Ecosystems
Environment
Eutrophic environments
Eutrophic rivers
Eutrophication
Inorganic matter
Math. Appl. in Environmental Science
Mathematical Applications in the Physical Sciences
Modelling
Optical activity
Optical properties
Organic matter
Original Article
Physics
Reservoirs
Rivers
Statistics for Engineering
Temporal variations
Tropical climate
Water quality
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Summary:In order to verify the effect of a cascade system in the water quality of two tropical reservoirs in Brazil, this work proposed to make use of the inherent optical properties (IOPs) as well as the specific inherent optical properties (SIOPs). From upstream to downstream, Barra Bonita (BB) is the first in a set of six reservoirs along Tietê River and Nova Avanhandava (Nav) is the fifth reservoir. BB is eutrophic whilst Nav is an oligotrophic environment. According to the IOP and SIOP analysis, it was possible to attest that BB was organic matter dominated and Nav was inorganic matter. These differences are noticeable in bio-optical modeling, must be considered different approaches to retrieve water quality parameters in both sites, once, the models take into account the specific information about the IOP and their relation with the optically active components (OACs) concentration. In addition, the results of this paper can provide comparable data to other water systems and improve the comprehension about the optical properties of complex water bodies.
ISSN:2363-6203
2363-6211
DOI:10.1007/s40808-016-0144-4