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File:Gleise12b earthlike locked simulation surface temperature 1 r 1 1 1 1.png

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Gliese12 b surface temperature - simulated as Earth-like locked planet

Summary

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Description
English: Gliese12 b surface temperature - simulated as Earth-like locked planet
Date
Source Own work
Author Merikanto

Data for simulation is produced scripts that are there

https://commons.wikimedia.org/wiki/File:Gliese_12b_example_simulation_sea_land_1_r_1_1_1_1.png

Temperature data "dipper" opython script from Exoplasim output on page under this link

File:Forest_cover_240ma_1.png

Temperature downscaler script

  1. "R" temperature downscaler

library(raster) library(ncdf4) library(rgdal) library(viridis)

downscale_temperature_65 <- function (coarse_rastera, fine_rastera) { ## methods: 0 delta, 1 spatialeco, 2 dissever, 3 temperature lapse 6.5 C/1 km lm 

   print ("Downscaling temperature, 6.5 C/1 km")

coarse_raster<-coarse_rastera fine_raster<-fine_rastera p1<-fine_raster p2<-fine_raster

plot(fine_raster) plot(coarse_raster, col=viridis(200))

coarseoro<- resample(p1, coarse_raster) coarseoro_big<-resample(coarseoro, p1) orodelta<-(p1-coarseoro_big)

baset1 <- resample(coarse_raster, p1)

raster_stack <- stack(p1,p2)

orotemp<-orodelta*0.0065*-1

coarseorotemp<- resample(orotemp, coarse_raster) coarseorotemp_big<-resample(coarseorotemp, p1)

orotempdelta<-orotemp-coarseorotemp_big

outtemp<-baset1+orotempdelta

#outtempr<-rotate(outtemp)

#plot(outtempr) 

     return(outtemp)

}

coarsename1<-"tas.nc" finename1<-"map1.nc"

  1. ext1<-extent(-180,180,-90,90)

ext1<-extent(0,360,-90,90)

coarser1<-raster(coarsename1) finer1<-raster(finename1)

extent(coarser1)<-ext1 extent(finer1)<-ext1

finer2<-finer1

finer2[finer2<0.0]<-0.0

rout1<-downscale_temperature_65(coarser1, finer2)

crs1<-"+proj=longlat +datum=WGS84 +no_defs +ellps=WGS84 +towgs84=0,0,0"

crs(rout1)<-crs1 extent(rout1 )<-ext1

image(rout1)

writeRaster(rout1, "temp_dskaled1.nc", overwrite=TRUE, format="CDF", varname="atm_temp", varunit="degC", 

       longname="atm_temp", xname="lon",   yname="lat")

Licensing

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I, the copyright holder of this work, hereby publish it under the following license:
w:en:Creative Commons
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