File:Kiev lgm climate diagram.svg

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Original file(SVG file, nominally 900 × 1,440 pixels, file size: 50 KB)

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Description
English: LGM climate siagram of Kiev, Ukraine. Situation during Last Glacial Maximum (LGM), cold stage of last Ice age. This image is based on CCSM4 paleoclimate simulation.
Date
Source Own work
Author Merikanto

This image is based on WorldClim 1.4 CCSM4 Last Glacial Maximum data located at page

http://www.worldclim.org/paleo-climate1 archive copy at the Wayback Machine

data is processed with various programs and scripts, to produce climate table file, and is plotted with special R script.

1 -23 42
2 -23 44
3 -15 37
4 0 48
5 9 48
6 11 79
7 11 92
8 10 72
9 4 63
10 -2 38
11 -11 47
12 -20 42

And R script to plot above data to climate diagram.

labeli='Kiev, LGM' nimi="kiova_lgm" datanimi=paste(nimi,".txt"); kuvanimi=paste(nimi,".svg");

prmax=100 prmin=0 tmax = 20.0 tmin=-25.0 tstep=5

widthi=10 heighti=16

  1. asteikko<-c(" "," "," ","4"," "," "," ", "8"," "," "," ","12" )

asteikko<-c(" "," ","3"," "," ","6"," ", " ","9"," "," ","12" )


svg(kuvanimi, width=widthi, height=heighti)

mydata <- read.table("kiova_lgm.txt", header=FALSE)

  1. mydata <- read.csv("kiova2.txt", header=FALSE, sep=";")

op<-par(no.readonly=TRUE)

    1. axis rainfall span/tempetauute span
    2. tex (100-0)/(25- - 25)
    3. 100/50

deltapr=prmax-prmin deltatee<-(tmax-tmin)

  1. deltapr
  2. deltatee

ratio<-deltapr/deltatee

y2offset= -1*ratio*tmin

  1. ratio
  2. y2offset

sadem<-as.vector(unlist(mydata[3])) lampot<-as.vector(unlist(mydata[2]))

total_sadem=sum(sadem) avg_lampotila=sum(lampot)/12 avg_lampotila=(round(avg_lampotila)*10)/10

max_lampotila=max(lampot) min_lampotila=min(lampot)

  1. par(mar=c(12,12,12,12),cex.axis=2,cex.lab=2.5)

par(mar=c(6,6,6,6),cex.axis=2,cex.lab=2.5)

b<-barplot(sadem, names.arg=asteikko,

col="blue", border="blue",ylim=c(prmin, prmax),
cex.axis=2.5, cex.names=2.5 )

lines(b, (lampot*ratio)+y2offset, col="Red",lwd=8)

right.axis.ticks<- seq(from =tmin , to=tmax , by=tstep)

axis(4,at=(right.axis.ticks*ratio)+y2offset,labels=paste0(right.axis.ticks),las=2, cex.axis=2.5)

mtext(side = 2, line = 3, 'Precipitation', cex=2.5, col="darkblue") mtext(side = 4, line = 3, 'Temperature', cex=2.5, col="darkred") mtext(side = 1, line = 3, 'Month', cex=2.5, col="darkgreen")

  1. mtext(side = 2, line = 3, labeli, cex=3,5, col="black")

text(7,(prmax-2),cex=3.5, labeli); text(1,(prmax-8),cex=2.4, pos=4, paste("Tavg=",avg_lampotila, " C" )); text(1,(prmax-12),cex=2.4, pos=4, paste("Tamax=",max_lampotila, " C" )); text(1,(prmax-16),cex=2.4, pos=4,paste("Tamin=",min_lampotila, " C" )); text(1,(prmax-20),cex=2.4, pos=4,paste("Pra=",total_sadem, " mm" ));


Licensing

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I, the copyright holder of this work, hereby publish it under the following license:
w:en:Creative Commons
attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.

File history

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Date/TimeThumbnailDimensionsUserComment
current12:08, 10 August 2016Thumbnail for version as of 12:08, 10 August 2016900 × 1,440 (50 KB)Merikanto (talk | contribs)Climate avarerages.
11:15, 10 August 2016Thumbnail for version as of 11:15, 10 August 20161,080 × 1,260 (32 KB)Merikanto (talk | contribs)User created page with UploadWizard

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