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Remote Sens. 2016, 8(4), 306; doi:10.3390/rs8040306

An Online System for Nowcasting Satellite Derived Temperatures for Urban Areas

1
Institute for Astronomy, Astrophysics, Space Applications and Remote Sensing, National Observatory of Athens, Athens GR-15236, Greece
2
School of Chemical Engineering, National Technical University of Athens, Athens GR-15780, Greece
3
Institute of Geophysics, Center for Earth System Research and Sustainability, University of Hamburg, Hamburg DE-20146, Germany
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editors: Benjamin Bechtel, Simone Kotthaus, James A. Voogt, Richard Müller and Prasad S. Thenkabail
Received: 11 February 2016 / Revised: 24 March 2016 / Accepted: 31 March 2016 / Published: 6 April 2016
View Full-Text   |   Download PDF [6860 KB, uploaded 6 April 2016]   |  

Abstract

The Urban Heat Island (UHI) is an adverse environmental effect of urbanization that increases the energy demand of cities and impacts human health. The study of this effect for monitoring and mitigation purposes is crucial, but it is hampered by the lack of high spatiotemporal temperature data. This article presents the work undertaken for the implementation of an operational real-time module for monitoring 2 m air temperature (TA) at a spatial resolution of 1 km based on the Meteosat Second Generation—Spinning Enhanced Visible and Infrared Imager (MSG-SEVIRI). This new module has been developed in the context of an operational system for monitoring the urban thermal environment. The initial evaluation of TA products against meteorological in situ data from 15 cities in Europe and North Africa yields that its accuracy in terms of Root Mean Square Error (RMSE) is 2.3 °C and Pearson’s correlation coefficient (Rho) is 0.95. The temperature information made available at and around cities can facilitate the assessment of the UHIs in real time but also the timely generation of relevant higher value products and services for energy demand and human health studies. The service is available at http://snf-652558.vm.okeanos.grnet.gr/treasure/portal/info.html. View Full-Text
Keywords: air temperature; urban heat island; thermal remote sensing; land surface temperature; geostationary satellites; MSG-SEVIRI; urban areas; real-time air temperature; urban heat island; thermal remote sensing; land surface temperature; geostationary satellites; MSG-SEVIRI; urban areas; real-time
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Keramitsoglou, I.; Kiranoudis, C.T.; Sismanidis, P.; Zakšek, K. An Online System for Nowcasting Satellite Derived Temperatures for Urban Areas. Remote Sens. 2016, 8, 306.

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