File:New Zealand atmospheric methane concentrations.svg
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Size of this PNG preview of this SVG file: 768 × 576 pixels. Other resolutions: 320 × 240 pixels | 640 × 480 pixels | 1,024 × 768 pixels | 1,280 × 960 pixels | 2,560 × 1,920 pixels.
Original file (SVG file, nominally 768 × 576 pixels, file size: 113 KB)
Captions
Captions
New Zealand atmospheric methane concentrations at Baring Head
Summary
[edit]| Description |
English: New Zealand atmospheric methane concentrations recorded at Baring Head Wellington, New Zealand. For data and code see https://github.com/theecanmole/Methane-nitrous-oxide-Baring-Head |
| Date | |
| Source | Own work |
| Author | Mrfebruary |
SVG development
Source code
R code
# Statistics NZ Tatauranga Aotearoa https://www.stats.govt.nz/indicators/greenhouse-gas-concentrations
# link to zip file 17/08/2024
download.file("https://www.stats.govt.nz/assets/Uploads/Environment-indicators-2023/Greenhouse-gas-concentrations/Download-data/greenhouse-gas-concentrations-data-to-2022.zip","greenhouse-gas-concentrations-data-to-2022.zip")
# unzip downloaded zip file
unzip("greenhouse-gas-concentrations-data-to-2022.zip")
# read in the data file
ghgs <- read.csv("greenhouse-gas-concentrations-monthly-2022.csv")
# select only methane records
methane <- ghgs[ghgs[["variable"]]=="methane",]
# select only mean fitted data
meanfitmethane <- methane[methane[["parameter"]]=="mean_fitted",]
# add date column
meanfitmethane[["date"]] = seq(as.Date('1989-08-31'), by = 'months', length = nrow(meanfitmethane))
# plot
svg(filename="NZmethane-2019-720by540.svg", width = 8, height = 6, pointsize = 14, onefile = FALSE, family = "sans", bg = "white", antialias = c("default", "none", "gray", "subpixel"))
par(mar=c(2.7,3.3,1,1)+0.1)
plot(meanfitmethane[["date"]],meanfitmethane[["greenhouse_gas_concentration"]],tck=0.01,ylab=NA,axes=T,ann=T, type="l",lwd=2,las=1,col="#7570B3")
grid(col="darkgray",lwd=1)
axis(side=4, tck=0.01, las=0,tick=TRUE,labels = FALSE)
box(lwd=1)
mtext(side=1,line=-1.4,cex=1,"Data: Stats NZ Tatauranga Aotearoa \nhttps://www.stats.govt.nz/indicators/greenhouse-gas-concentrations")
mtext(side=3,cex=1.3, line=-1.8,expression(paste("Baring Head Methane concentrations 1989 to 2022")) )
mtext(side=2,cex=1.1, line=-1.5,expression(paste("Parts per billion")))
mtext(side=4,cex=0.75, line=0.05,R.version.string)
dev.off()
Licensing
[edit]
I, the copyright holder of this work, hereby publish it under the following license:
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
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 03:45, 18 August 2024 | | 768 × 576 (113 KB) | Mrfebruary (talk | contribs) | mean fitted data |
| 07:06, 17 August 2024 |  | 768 × 576 (107 KB) | Mrfebruary (talk | contribs) | update | |
| 01:07, 15 June 2023 |  | 720 × 540 (106 KB) | Mrfebruary (talk | contribs) | Uploaded own work with UploadWizard |
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