Výsledky vyhledávání - "VAROTSOS, C. A."

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On the link between atmospheric cloud parameters and cosmic rays

Autor: Christodoulakis, J., Varotsos, C. A., Mavromichalaki, H., Efstathiou, M. N.

We herewith attempt to investigate the cosmic rays behavior regarding the scaling features of their time series. Our analysis is based on cosmic ray observations made at four neutron monitor stations in Athens (Greece), Jung (Switzerland) and Oulu (F

Externí odkaz: http://arxiv.org/abs/1710.11394

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An empirical model for the vegetation screening effect in the remote sensing monitoring

Autor: Krapivin, V. F., Varotsos, C. A., Marechek, S. V.

A layer of vegetation over the soil surface absorbs microwave radiation emitted from the soil and some objects located under the vegetation canopy. This paper investigates the microwave propagation process within the vegetation layer and evaluate the

Externí odkaz: http://arxiv.org/abs/1710.07982

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Consistency between observational and empirical data of the thermospheric CO2 and NO power

Autor: Varotsos, C. A., Efstathiou, M. N.

We explore the temporal evolution of the energy radiated by CO2 and NO from the Earth's thermosphere on a global scale. This investigation is based on both observational and empirically derived data. Firstly, we analyze the daily power observations o

Externí odkaz: http://arxiv.org/abs/1709.03197

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A modeling system for monitoring the air - water pollution

Autor: Krapivin, V. F., Varotsos, C. A., Nghia, B. Q.

Regular monitoring of key water quality parameters is important for assessing its the hydrological status in conjunction with air-pollution interaction. In this study, a new cost - effective technique based on the geo-ecological information-modeling

Externí odkaz: http://arxiv.org/abs/1709.01443

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Empirical evidence for a double step climate change in twentieth century

Autor: V., Belolipetsky P., I., Bartsev S., G., Degermendzhi A., Hsu, Huang-Hsiung, A., Varotsos C.

In this study we used the sea surface temperature (SST), El-Nino southern oscillation (ENSO) and Pacific decadal oscillation (PDO) time-series for the time period 1900-2012 in order to investigate plausible manifestation of sharp increases in tempera

Externí odkaz: http://arxiv.org/abs/1303.1581

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