Arid
Water quality model using hyperspectral remote sensing
Lopes, Fernando B.1; Barbosa, Claudio C. F.2; Novo, Evlyn M. L. de M.2; de Andrade, Eunice M.1; Chaves, Luiz C. G.1
通讯作者Lopes, Fernando B.
来源期刊REVISTA BRASILEIRA DE ENGENHARIA AGRICOLA E AMBIENTAL
ISSN1807-1929
出版年2014
卷号18页码:S13-S19
英文摘要

This study aimed to estimate limnological parameters using remote sensing data. Data were sampled in 20 sites in the Oros reservoir in Ceara State, Brazil in March/2011 and August/2012. Secchi transparency, turbidity, suspended inorganic sediments (SIS), transparency, electrical conductivity of water (CE), and radiometric data were analysed. After sampling the data were submitted to correlation and regression analysis between the bidirectional reflectance factor (FR) and SIS, CE, turbidity and transparency data. For estimating SIS the adjusted model was the potential model (SIS = 860.1679* FR lambda 201/0.6427) with a coefficient of determination (R-2) of 0.90. For turbidity the best model was represented by euqation Turb - (FR lambda 20 - 0.0217)/0.0017 providing a R-2 of 0.90 and the best model for transparency was Transp = (-FR lambda 653 + 0.171)/0.1375 with an R-2 of 0.92. For the electrical conductivity of water the CE = (-FR lambda 632 + 0.5352)/1.6278 was the best with a R-2 of 0.93. For all these models, p-value was smaller than 0.001. These models seems to be reliable and indicate that these limnological variables can be estimated using in situ remote sensing data.


英文关键词semi-arid region monitoring of water quality hyperspectral sensor
类型Article
语种葡萄牙语
国家Brazil
收录类别SCI-E
WOS记录号WOS:000209978500003
WOS类目Agricultural Engineering
WOS研究方向Agriculture
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/184772
作者单位1.DENA CCA UFC, Fortaleza, CE, Brazil;
2.DPI INPE, Sao Jose Dos Campos, SP, Brazil
推荐引用方式
GB/T 7714
Lopes, Fernando B.,Barbosa, Claudio C. F.,Novo, Evlyn M. L. de M.,et al. Water quality model using hyperspectral remote sensing[J],2014,18:S13-S19.
APA Lopes, Fernando B.,Barbosa, Claudio C. F.,Novo, Evlyn M. L. de M.,de Andrade, Eunice M.,&Chaves, Luiz C. G..(2014).Water quality model using hyperspectral remote sensing.REVISTA BRASILEIRA DE ENGENHARIA AGRICOLA E AMBIENTAL,18,S13-S19.
MLA Lopes, Fernando B.,et al."Water quality model using hyperspectral remote sensing".REVISTA BRASILEIRA DE ENGENHARIA AGRICOLA E AMBIENTAL 18(2014):S13-S19.
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