Completed notes of the course

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Wind engineering Wind climate ATMOSPHERE • THE ATMOSPHEREISA CLOUD OF GAS AND SUSPENDED SOLIDS - THE 99,99997' - OF ITS MASS IS BELOW 100 km LAYERS 1)TROPOSPHERE • 0- 12 16 km • IT CONTAINS THE 80e.OF THE MASS OF THE ATMOSPHERE • NEARLY All THE WEATHER PHENOMENA OCCUR HERE 2)STRATOSPHERE • AIR IS EXTREMELY DRY AND OZONE RICH ' THEABSORPTIONOF SOLARRADIATION IS THE REASON WHY TEMPERATURE INCREASES WITH HEIGHT 3)MESOSPHERE 4)THERMOSPHERE SCALES OF ATMOSPHERIC MOTION ' METER -50LOGICAL PHENOMENA INVOLVING WIND GENERATION OCCUR OVER A WIDE RANGE OF SPACEAND TIME SCALES LARGE TIME SCALES ARE ASSOCIATED TO LARGE SPACE SCALES AND VICE-VERSA : • THE MOVEMENTOF ATMOSPHEREAROUND THE GLOBEIS A MIXTURE OF DIFFERENT SCALE MOTIONS GLOBALCIRCULATION • SEASONAL TIME SCALE + PLANETARYLENGHT SCALE MODERATE WINDS: SMALL IMPACT ON STRUCTURES, BIG IMPACT ON CLIMATE INCOMINGSOLARRADIATION • THE SUN RADIATES MOSTLY IN THE VISIBLE BAND , BUT ALSO IN THE ULTRAVIOLET BAND - ANNUALLY AND GLOBALLY THE INCOMING SOLAR RADIATION IS ABOUT 3.42VVMZ 101 " a DIRECTLY ABSORBED BY THE ATMOSPHERE 020m05 HERE SELECTIVELY ABSORB WV 49. . ABSORBED BYTHESURFACE & e- REFLECTED B.ACK INTO SPACE BY THE SURFACE 23 ' . REFLECTED BACK INTO SPACE BYTHE CLOUDS OUTGOING TERRESTRIAL RADIATION - THE EARTH'SSURFACE , ATMOSPHERE AND CLOUDS EMITS RADIATION IN THE INFRARED GLOBAL ENERGY BALANCE - MEAN OVER YEARS : POWER IN = POWER OUT LATITUDINAL AND SEASONAL VARIATIONS MUST BE INCLUDED IN THE ANALYSIS • THE VARIATION OF THE NET RADIATION DEPENDING ON THE LATITUDE IS THE PRIMARY MECHANISM THAT DRIVES THEATMOSPHERIC AND OCEANIC CIRCULATIONS ENERGY BUDGETBY LATITUDE • TROPIC TO TROPIC i ENERGY SURPLUS38°. • POLES: ENERGY DEFICIT /EQUILIBRIUM 38°. • AS PREVIOUSLY SHOWN , colossal CIRCULATION ARISES BECAUSE OF THE ENERGY…