cloud liquid water from visible. cloud liquid water from visible

6
Cloud Liquid water from visible 2 2 0 00 00 ()() 2 () z z z ext ext k dz rQ r n r drdz r n r drdz 3 0 4 () 3 w LWC r n r dr 3 0 00 4 () 3 z z w LWP LWCdz r n r drdz 2 3 0 00 3 0 () 3 2 () 2 () z w e r n r dr LWP r n r drdz r r n r dr

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Page 1: Cloud Liquid water from visible. Cloud liquid water from visible

Cloud Liquid water from visible

2 2

0 0 0 0 0

( ) ( ) 2 ( )z z z

ext extk dz r Q r n r drdz r n r drdz

3

0

4( )

3wLWC r n r dr

3

0 0 0

4( )

3

z z

wLWP LWCdz r n r drdz

2

3 0

0 0 3

0

( )3

2 ( )2

( )

z

w e

r n r drLWP

r n r drdzr

r n r dr

Page 2: Cloud Liquid water from visible. Cloud liquid water from visible

Cloud liquid water from visible

2 2

0 0 0 0 0

( ) ( ) 2 ( )z z z

ext extk dz r Q r n r drdz r n r drdz

3

0

4( )

3wLWC r n r dr

3

0 0 0

4( )

3

z z

wLWP LWCdz r n r drdz

2

3 0

0 0 3

0

( )3

2 ( )2

( )

z

w e

r n r drLWP

r n r drdzr

r n r dr

Page 3: Cloud Liquid water from visible. Cloud liquid water from visible
Page 4: Cloud Liquid water from visible. Cloud liquid water from visible

Sensibilita’ normalizzata per differenti variabili nelle microonde

INTEGRATED WATER VAPOUR 19 and 22 GHz

CLOUD LIQUID WATER 19 and 37 GHz

Page 5: Cloud Liquid water from visible. Cloud liquid water from visible

Vantaggi: non dipende dalla distribuzione dimensionale delle gocce nella nube

Rayleigh scattering: indipendente da forma, dimensione ed orientamento della particella

Mie scattering e Geometric Optics: dipendente da forma, dimensione ed orientamento della particella

Page 6: Cloud Liquid water from visible. Cloud liquid water from visible

Limiti:- Solo su mare- In assenza di precipitazioni- solo per nubi di acqua