Evaluating the feasibility of using Sentinel-2 imagery for water clarity assessment in a reservoir

被引：23

作者：

Bonansea, Matias ^{[1
,2
]}

Ledesma, Micaela ^{[2
]}

Bazan, Raquel ^{[3
]}

Ferral, Anabella ^{[4
]}

German, Alba ^{[4
,5
]}

O'Mill, Patricia ^{[3
,5
]}

Rodriguez, Claudia ^{[2
]}

Pinotti, Lucio ^{[1
,6
]}

机构：

[1] Consejo Nacl Invest Cient & Tecn, Consejo Nacl Invest Cient & Tecn, Inst Ciencias Tierra Biodiversidad & Sustentabili, Buenos Aires, DF, Argentina

[2] UNRC, FAyV, Dept Estudios Basico & Agr, Rio Cuarto, Argentina

[3] UNC, Fac Ciencias Exactas Fis & Quim, Dept Ingn Quim & Aplicada, Cordoba, Argentina

[4] Comis Nacl Act Espaciales CONAE, Ctr Espacial Teofilo Tabanera, Inst Altos Estudios Espaciales Mario Gulich, Buenos Aires, DF, Argentina

[5] Minist Serv Publ, Adm Recursos Recursos Hidr APRHI, Cordoba, Provincia De Co, Argentina

[6] UNRC, Fac Ciencias Exactas Fisicoquim & Nat, Dept Geol, Rio Cuarto, Argentina

来源：

JOURNAL OF SOUTH AMERICAN EARTH SCIENCES | 2019年 / 95卷

关键词：

Aquatic system; Remote sensing; Statistical algorithm; Sentinel-2; mission; Water quality; RIO-TERCERO RESERVOIR; LAND-COVER; QUALITY; LAKE; INDEX; RETRIEVAL; CORDOBA; IMPACT; RIVER;

D O I：

10.1016/j.jsames.2019.102265

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

The new Sentinel-2 satellites present a significant scientific opportunity for the study of water quality. The objective of this study was to evaluate the suitability of Sentinel-2 imagery for estimating and mapping Secchi disk transparency (SDT) in Rio Tercero reservoir (Cordoba-Argentina). Field observations and a dataset of atmospherically corrected Sentinel-2 images were used to generate and validate an algorithm to estimate water clarity in the studied reservoir. As a real application of the used methodology, the validated algorithm was used to obtain a spatial representation of water clarity in the reservoir during sampling campaigns. Results demonstrate capabilities of Sentinel-2 mission to make a substantial contribution to the current assessment and understanding of aquatic systems by estimating and mapping a water quality characteristic.

引用

页数：6

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