On the synergistic use of SAR and optical imagery to monitor cyanobacteria blooms: the Curonian Lagoon case study

被引：15

作者：

Adamo, Maria ^{[1
]}

Matta, Erica ^{[2
]}

Bresciani, Mariano ^{[2
]}

De Carolis, Giacomo ^{[2
]}

Vaiciute, Diana ^{[3
]}

Giardino, Claudia ^{[2
]}

Pasquariello, Guido ^{[1
]}

机构：

[1] CNR ISSIA, Inst Intelligent Syst Automat, I-70126 Bari, Italy

[2] CNR IREA, Opt Remote Sensing Grp, I-20133 Milan, Italy

[3] Univ Klaipeda, Coastal Res & Planning Inst, LT-92294 Klaipeda, Lithuania

来源：

EUROPEAN JOURNAL OF REMOTE SENSING | 2013年 / 46卷

关键词：

Cyanobacteria blooms; wind; ASAR; COSMO-SkyMED; MERIS; MODIS; HARMFUL ALGAL BLOOMS; CHLOROPHYLL-A; WATER; SHALLOW; VALIDATION; DYNAMICS; PIGMENTS; COASTAL; INLAND; LAKE;

D O I：

10.5721/EuJRS20134647

中图分类号：

TP7 [遥感技术];

学科分类号：

081102 ; 0816 ; 081602 ; 083002 ; 1404 ;

摘要：

Multi-sensor satellite data are used to assess cyanobacteria blooms in the Curonian Lagoon. The exploitation of SAR, in combination with optical data, is investigated to take full advantage from the all-weather, night/day SAR imaging capability. A dataset of images has been analyzed to: 1) study the effect of cyanobacteria on microwave signals; 2) assess the daily evolution of cyanobacteria bloom from multi-sensors data; and 3) evaluate the dependence of dynamics of blooms on winds. The results show a significant correlation (R-2 > 0.8, p<0.001) between the X-and C-band Normalized Radar Cross Section (NRCS) attenuation and the NIR-Red band ratio Index, with the latter considered as a proxy for the presence of cyanobacteria blooms. A combined use of microwave and optical observations can improve the detection of cyanobacteria blooms and their dependency on wind action.

引用

页码：789 / 805

页数：17

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