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atmosphere.getBasicAtmParms - Function

4.1.1 Gets the current basic atmospheric parameters of the model.
Arguments





Outputs

altitude

m

Site altitude - Quantity with units of altitude, meter

allowed:

doublem

Default:

temperature

K

Ambient ground temperature - Quantity with units of temperature, K

allowed:

doubleK

Default:

pressure

mbar

Ambient pressure - Quantity with units of pressure, mbar

allowed:

doublembar

Default:

maxAltitude

km

altitude of the top pf the modelled atmosphere - Quantity with dimension of length, and units of kilometer

allowed:

doublekm

Default:

humidity

Ground relative humidity used to guess water (0-100)

allowed:

double

Default:

dTem_dh

K/km

Current Tropospheric Lapse Rate (the derivative of temperature with respect to height) - Quantity with units of K/km

allowed:

doubleK/km

Default:

dP

mbar

initial pressure step - Quantity with the units of pressure, mb

allowed:

doublembar

Default:

dPm

pressure multiplicative factor for steps

allowed:

double

Default:

h0

km

Water vapor scale height ( exp distribution ) - Quantity with the dimension of length, and units of kilometer

allowed:

doublekm

Default:

atmType

atmospheric type used to describe the behaviour above the tropopause. 1(tropical),2(mid latitude summer),3(mid latitude winter), 4(subarctic summer),5(subarctic winter), dimensionless

allowed:

string

Default:

Returns
string

Example

 
 
p = at.getBasicAtmParms()  
# returns a tuple of  
# 0 - string listing of parameters, 1 - altitude, 2 - temperature,  
# 3 - pressure, 4 - maxAltitude, 5 - humidity, 6 - dTem_dh,  
# 7 - dP, 8 - dPm. 9 - h0, and 10 - atmType  
print "Atmospheric type:   ", p[10]  
# Atmospheric type:    TROPICAL  
print "Ground temperature: ", p[2][’value’][0], p[2][’unit’]  
# Ground temperature:  288.16 K  
print p[0]           # a "pretty" listing of all the parameters  
# CURRENT ATMOSPHERIC PARAMETERS OF REFERENCE ATMOSPHERIC PROFILE  
#  
# Ground temperature T:         275 K  
# Ground pressure P:            560 mbar  
# Relative humidity rh:         20 %  
# Scale height h0:              2 km  
# Pressure step dp:             10 mbar  
# Altitude alti:                5000 m  
# Attitude top atm profile      48 km  
# Pressure step factor          1.2  
# Tropospheric lapse rate       -5.6 K/km  
# Atmospheric type:             TROPICAL  
#  
# Atmospheric profile has 20 layers.  
 

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