Model Development for Passive Microwave Remote Sensing ...
Ground emittance
Ground temperature
Grain size
Snow density
Snow depth
Snow water equivalent
Forest coverage
Atmosphere
- pressure
- temperature
- humidity
- standard atmosphere
from Pulliainen et al. (1990)
-laC
0.8mm
364 kgjm 3
147 cm
535 mm
0%
using (Liebe, 1989)
1013 mbar
-6.5°C
64%
southern Finland
from Pulliainen et al. (1993), Salonen et al. (1992)
585
Table 21.10: Geophysical parameters used for the emission simulation, station Dyratjonn, 11
Apr 1988.
~
-260
'"
...
"
.3 240
E
..
Q.
E
~ 220
. .
. .
.. c
~ 200
.~
.0
18
19
22
37
x salellile obser"Yed
o s,mulated T B
65
rrequency [GHz I
Figure 21.9: Comparison between space observed ('x') and ground based simulated ('0') brightness temperature TB . Parameters in Table 21.10 were used
Table 21.11: Detailed atmosphere information from stations Dyratjonn (D), Haukeliseter (Hi,
H2), and Finse (Fl, F2). Cloud types are stratus (2), stratocumulus (3) and cumulus (7) clouds.
station
D HI H2 F1 F2
pressure [mbar]
1013
max. cloud thickness [km] 1
2
0.2
4
1
cloud type
7
7
2
7
3
rain rate [mm/h]
0
0
0
5
0
air temp.[°C]
-1 2.5 -7.7 0.8 -11
humidity [%]
64 86
64
99 77