File:Trappist 1e as desert planet tas co2 280 1.png
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Summary
[edit]DescriptionTrappist 1e as desert planet tas co2 280 1.png |
English: Trappist 1e as desert planet co2 280 1. Patm 0.65 bar, S=0.65 sol, Co2=280 ppmv. |
Date | |
Source | Own work |
Author | Merikanto |
Python3 source code
-
- exoplasim planet runner
- python 3, exoplasim
- basic run settings T21
-
- 29.10.2023 0000.0002a2
-
import math
import numpy as np
import exoplasim as exo
timestep=30.0
years=50
Sol=1361.5
- basic input params
startemp=2566 # assumption Earth-like
- Trappist 1 d
- flux=1.12*1367
- rotationperiod=4.05
- radius=0.78 ## rel to earth
- mass=0.39
- Trappist 1e
- insol 884.98
- mass 0.69
- radius 0.92
- density 4.89
- vesc 9.69
- gee_e 0.82
- Patm 0.647368
flux=0.65*1361.5
rotationperiod=6.1
radius=0.92 ## rel to earth
mass=0.69
eccentricity=0
obliquity=0
aquaplanet=False
desertplanet=True
fixedorbit=True
synchronous=True
- substellarlon=0
substellarlon=0
vegetation=2 ## 0 no 1 static 2 dynamic
stormclim=False
aerosol=False
co2weathering=False
outgassing=0
evolveco2=False
maxsnow=-1 ## False ?
ozone=False
vegaccel=1
seaice=False
wetsoil=False
year=rotationperiod
glaciers1= {
"toggle": True,
"mindepth":2,
"initialh":-1
}
- landmap="Alderaan_surf_0129.sra"
- topomap="Alderaan_surf_0172.sra"
- landmap="sermak_surf_0129.sra"
- topomap="sermak_surf_0172.sra"
- landmap="five_surf_0129.sra"
- topomap="five_surf_0172.sra"
landmap=None
topomap=None
- relCO2=0.95
- relN2=1-relCO2
relCO2=280e-6
relO2=0.21
relN2=1-relCO2-relO2
- relCO2=0.95
- relO2=0.045
- relN2=1-relCO2-relO2
density=mass/np.power(radius,3)*5.519
vesc=np.sqrt(mass/radius)*11.186
geese=mass/(radius*radius)
geeseg=geese*9.80665
patm1=geese*mass*radius*radius ## estimation
patm2=math.pow(radius, 2.4)
gravity=geeseg
pressure=(patm1+patm2)/2
pN2=pressure*relN2
pCO2=pressure*relCO2
pO2=pressure*relO2
print(" insol ",round(flux,2) )
print(" mass ",round(mass,2) )
print(" radius ",round(radius,2) )
print(" density ",round(density,2) )
print(" vesc ",round(vesc,2) )
print(" gee_e ",round(geese,2) )
print(" Patm ",round(pressure,6) )
- quit(-1)
planeta = exo.Model(workdir="planeta_run",modelname="Planeta",ncpus=4,resolution="T21",outputtype=".nc")
planeta.configure(year=year, wetsoil=wetsoil,pO2=pO2, ozone=ozone, vegaccel=vegaccel, seaice=seaice, glaciers=glaciers1, maxsnow=maxsnow, evolveco2=evolveco2, outgassing=outgassing, co2weathering=co2weathering, vegetation=vegetation, stormclim=stormclim, aerosol=aerosol,landmap=landmap, topomap=topomap,startemp=startemp, flux=flux, eccentricity=eccentricity,obliquity=obliquity,fixedorbit=fixedorbit,synchronous=synchronous,substellarlon=substellarlon,rotationperiod=rotationperiod,radius=radius,gravity=gravity,aquaplanet=aquaplanet,desertplanet=desertplanet,pN2=pN2,pCO2=pCO2,timestep=timestep,snapshots=False,physicsfilter="gp|exp|sp")
print(" Run ...")
planeta.run(years=years,crashifbroken=True)
planeta.exportcfg()
planeta.run(years=years,crashifbroken=True)
planeta.finalize("Planeta",allyears=True,keeprestarts=True)
planeta.save()
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- to share – to copy, distribute and transmit the work
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- Under the following conditions:
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 08:26, 29 October 2023 | ![]() | 1,488 × 992 (583 KB) | Merikanto (talk | contribs) | Uploaded own work with UploadWizard |
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