Satellite infrared imagery for thermal plume contamination monitoring in coastal ecosystem of Cernavoda NPP

M. A. Zoran; Liviu Florin V. Zoran; Adrian I. Dida

doi:10.1117/12.2278015

5 October 2017 Satellite infrared imagery for thermal plume contamination monitoring in coastal ecosystem of Cernavoda NPP

M. A. Zoran, Liviu Florin V. Zoran, Adrian I. Dida

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Proceedings Volume 10428, Earth Resources and Environmental Remote Sensing/GIS Applications VIII; 104281J (2017) https://doi.org/10.1117/12.2278015
Event: SPIE Remote Sensing, 2017, Warsaw, Poland

Abstract

Satellite remote sensing is an important tool for spatio-temporal analysis and surveillance of NPP environment, thermal heat waste of waters being a major concern in many coastal ecosystems involving nuclear power plants. As a test case the adopted methodology was applied for 700x2 MW Cernavoda nuclear power plant (NPP) located in the South-Eastern part of Romania, which discharges warm water affecting coastal ecology. The thermal plume signatures in the NPP hydrological system have been investigated based on TIR (Thermal Infrared) spectral bands of NOAA AVHRR, Landsat TM/ETM+/OLI, and MODIS Terra/Aqua time series satellite data during 1990-2016 period. If NOAA AVHRR data proved the general pattern and extension of the thermal plume signature in Danube river and Black Sea coastal areas, Landsat TM/ETM and MODIS data used for WST (Water Surface Temperature) change detection, mapping and monitoring provided enhanced information about the plume shape, dimension and direction of dispersion in these waters. Thermal discharge from two nuclear reactors cooling is dissipated as waste heat in Danube-Black -Sea Channel and Danube River. From time-series analysis of satellite data during period 1990-2016 was found that during the winter season thermal plume was localized to an area of a few km of NPP, and the mean temperature difference between the plume and non-plume areas was about 1.7 oC. During summer and fall, derived mean temperature difference between the plume and non-plume areas was of about 1.3°C and thermal plume area was extended up to 5- 10 km far along Danube Black Sea Channel.

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M. A. Zoran, Liviu Florin V. Zoran, and Adrian I. Dida "Satellite infrared imagery for thermal plume contamination monitoring in coastal ecosystem of Cernavoda NPP", Proc. SPIE 10428, Earth Resources and Environmental Remote Sensing/GIS Applications VIII, 104281J (5 October 2017); https://doi.org/10.1117/12.2278015

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KEYWORDS

Ecosystems

Satellites

Infrared radiation

Temperature metrology

Thermography

Earth observing sensors

Environmental monitoring

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