TURBULENCE DISSIPATION RATE
; ATMOSPHERIC BOUNDARY-LAYER
; STRATIFIED FLOW
; DOPPLER LIDAR
; CLIMATE-CHANGE
; GAP FLOWS
; PART I
; TERRAIN
; TOPOGRAPHY
; MODELS
WOS学科分类:
Meteorology & Atmospheric Sciences
WOS研究方向:
Meteorology & Atmospheric Sciences
英文摘要:
A grand challenge from the wind energy industry is to provide reliable forecasts on mountain winds several hours in advance at microscale (similar to 100 m) resolution. This requires better microscale wind-energy physics included in forecasting tools, for which field observations are imperative. While mesoscale (similar to 1 km) measurements abound, microscale processes are not monitored in practice nor do plentiful measurements exist at this scale. After a decade of preparation, a group of European and U.S. collaborators conducted a field campaign during 1 May-15 June 2017 in Vale Cobrao in central Portugal to delve into microscale processes in complex terrain. This valley is nestled within a parallel double ridge near the town of Perdigao with dominant wind climatology normal to the ridges, offering a nominally simple yet natural setting for fundamental studies. The dense instrument ensemble deployed covered a similar to 4 km x 4 km swath horizontally and similar to 10 km vertically, with measurement resolutions of tens of meters and seconds. Meteorological data were collected continuously, capturing multiscale flow interactions from synoptic to microscales, diurnal variability, thermal circulation, turbine wake and acoustics, waves, and turbulence. Particularly noteworthy are the extensiveness of the instrument array, space-time scales covered, use of leading-edge multiple-lidar technology alongside conventional tower and remote sensors, fruitful cross-Atlantic partnership, and adaptive management of the campaign. Preliminary data analysis uncovered interesting new phenomena. All data are being archived for public use.
1.Univ Notre Dame, Notre Dame, IN 46556 USA 2.Denmark Tech Univ, Lyngby, Denmark 3.Univ Porto, Porto, Portugal 4.Univ Colorado, Boulder, CO 80309 USA 5.Cornell Univ, Ithaca, NY USA 6.Portuguese Inst Sea & Atmosphere, Alges, Portugal 7.Natl Ctr Atmospher Res, POB 3000, Boulder, CO 80307 USA 8.Univ Calif Berkeley, Berkeley, CA 94720 USA 9.German Aerosp Ctr, Cologne, Germany 10.US Army, Res Lab, Adelphi, MD USA 11.Univ Oklahoma, Norman, OK 73019 USA 12.Inst Sci & Innovat Mech & Ind Engn, Porto, Portugal 13.NOAA, Earth Syst Res Lab, Boulder, CO USA 14.Carl von Ossietzky Univ Oldenburg, Oldenburg, Germany
Recommended Citation:
Fernando, H. J. S.,Mann, J.,Palma, J. M. L. M.,et al. The Perdigao: Peering into Microscale Details of Mountain Winds[J]. BULLETIN OF THE AMERICAN METEOROLOGICAL SOCIETY,2019-01-01,100(5):799-820