Search Results - "Helmis, C."

Experimental Study of the Vertical Structure of the Lower Troposphere over a Small Greek Island in the Aegean Sea.

Authors: Helmis, C. G. Jacovides, C. Asimakopoulos, D. N.

Source: Journal of Atmospheric & Oceanic Technology; August 2002, Vol. 19 Issue 8, p1181-1192, 12p

The role of meteorology on the background air quality at the Athens International Airport.

Authors: Helmis, C. G. Sgouros, G. Flocas, H.

Source: Atmospheric Environment; October 2011, Vol. 45 Issue 31, p5561-5571, 11p

Middle and lower troposphere aerosol characteristics and ozone concentrations over northwestern Greece during STAAARTE 1997.

Authors: Koloutsou-Vakakis, S. Helmis, C. G. Assimakopoulos, V. et al.

Source: Atmospheric Environment; 2001, Vol. 35 Issue 8, p1517-1526, 10p

On the local isotropy of the temperature field in an urban area.

Authors: Helmis, C. G. Asimakopoulos, D. N. Lalas, D. P.

Source: Journal of Climate & Applied Meteorology; September 1983, Vol. 22, p1594-1601, 8p

Air mass exchange between the Athens basin and the Messogia Plain of Attika, Greece.

Authors: Helmis, C. G. Asimakopoulos, D. N. Papadopoulos, K. H.

Source: Atmospheric Environment; November 1997, Vol. 31 Issue 22, p3833-3849, 17p

Thessaloniki '91 Field Measurement Campaign—I. Wind field and atmospheric boundary layer structure over greater Thessaloniki area, under light background flow.

Authors: Helmis, C. G. Tombrou, M. Asimakopoulos, D. N.

Source: Atmospheric Environment; April 1997, Vol. 31 Issue 8, p1101-1114, 14p

Influence of background flow on evolution of Saronic Gulf sea breeze.

Authors: Helmis, C. G. Papadopoulos, K. H. Kalogiros, J. A.

Source: Atmospheric Environment; December 1995, Vol. 29 Issue 24, p3689-3701, 13p

A triple hot-wire system for indoor air flow measurements.

Authors: Papadopoulos, K. H. Soilemes, A. T. Helmis, C. G.

Source: Journal of Solar Energy Engineering; August 1996, Vol. 118, p168-176, 9p

Fast-response humidity measurements with the psychrometric method.

Authors: Kalogiros, J. A. Helmis, C. G.

Source: Journal of Applied Meteorology; September 1993, Vol. 32, p1499-1507, 9p

An analysis of wind direction and horizontal wind component fluctuations over complex terrain.

Authors: Papadopoulos, K. H. Helmis, C. G. Amanatidis, G. T.

Source: Journal of Applied Meteorology; September 1992, Vol. 31, p1033-1040, 8p

Some observations on the destruction of the morning temperature inversions in a large and broad mountain valley.

Authors: Helmis, C. G. Asimakopoulos, D. N. Deligiorgi, D. G.

Source: Journal of Applied Meteorology; May 1990, Vol. 29, p396-400, 5p

A tethered balloon profiler system.

Authors: Soilemes, A. Helmis, C. G. Papageorgas, P.

Source: Measurement Science & Technology; October 1993, Vol. 4, p1163-1167, 5p

Study of the turbulent characteristics of the near-wake field of a medium-sized wind turbine operating in high wind conditions.

Authors: Papadopoulos, K. H. Helmis, C. G. Soilemes, A. T.

Source: Solar Energy; July 1995, Vol. 55, p61-72, 12p

An experimental study of the near-wake structure of a wind turbine operating over complex terrain.

Authors: Helmis, C. G. Papadopoulos, K. H. Asimakopoulos, D. N.

Source: Solar Energy; June 1995, Vol. 54, p413-428, 16p

Investigating the Summertime Low-Level Jet Over the East Coast of the U.S.A.: A Case Study.

Authors: Helmis, C. Wang, Q. Sgouros, G. et al.

Source: Boundary-Layer Meteorology. Nov2013, Vol. 149 Issue 2, p259-276. 18p.

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A Comparative Study and Evaluation of Mixing-Height Estimation Based on Sodar-RASS, Ceilometer Data and Numerical Model Simulations.

Authors: Helmis, C. Sgouros, G. Tombrou, M. et al.

Source: Boundary-Layer Meteorology. Dec2012, Vol. 145 Issue 3, p507-526. 20p. 2 Charts, 8 Graphs, 1 Map.

Low-level jet development and the interaction of different scale physical processes.

Authors: Sgouros, G. Helmis, C. G.

Source: Meteorology & Atmospheric Physics. Jul2009, Vol. 104 Issue 3/4, p213-228. 16p. 2 Charts, 10 Graphs, 3 Maps.

Evaluation of SODAR methods for the determination of the atmospheric boundary layer mixing height.

Authors: Asimakopoulos, D. N. Helmis, C. G. Michopoulos, J.

Source: Meteorology & Atmospheric Physics. Jan2004, Vol. 85 Issue 1-3, p85-92. 8p.

Experimental Study of the Vertical Structure of the Lower Troposphere over a SmallGreek Island in the Aegean Sea.

Authors: Helmis, C. G. Jacovides, C. Asimakopoulos, D. N. et al.

Source: Journal of Atmospheric & Oceanic Technology. Aug2002, Vol. 19 Issue 8, p1181. 12p.

Subjects: Troposphere, Atmospheric boundary layer

Geographic Terms: Aegean Sea