File:EPICA delta D plot.svg
![File:EPICA delta D plot.svg](https://upload.wikimedia.org/wikipedia/commons/thumb/1/1e/EPICA_delta_D_plot.svg/800px-EPICA_delta_D_plot.svg.png?20100620122238)
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Summary
[edit]DescriptionEPICA delta D plot.svg | Plots of delta-deuterium against age and depth (from EPICA and Vostok). Note that the Vostok core is deeper, but does not extend as far back in time. Note also that the y-axis offset between the EPICA and Vostok cores in delta-deuterium is real: Vostok is a colder site, hence has more negative delta. Differences in the apparent age of events are likely to be inaccuracies in converting ice depth to age. |
Date | |
Source | Own work based on: Epica 18 plot.png |
Author |
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SVG development InfoField | |
Source code InfoField | Gnuplot codeunset multiplot
set term svg size 1024,768
set output "epica-18.svg"
set grid y
set multiplot layout 2,1
set ylabel "δD"
set title "δD versus age"
set xlabel "Years before present"
plot [0:750000] \
"epica.txt" using 3:6 title "EPICA" with lines, \
"vostok.txt" using 2:3 title "Vostok" with lines
set title "δD versus depth"
set xlabel "Depth in m"
plot \
"epica.txt" using 1:6 title "EPICA" with lines, \
"vostok.txt" using 1:3 title "Vostok" with lines
Gnuplot data codeData sets from:
* ftp://ftp.ncdc.noaa.gov/pub/data/paleo/icecore/antarctica/epica_domec/edc_dd.txt
* ftp://ftp.ncdc.noaa.gov/pub/data/paleo/icecore/antarctica/vostok/deutnat.txt
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Public domainPublic domainfalsefalse |
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This image is in the public domain because it contains materials that originally came from the U.S. National Oceanic and Atmospheric Administration, taken or made as part of an employee's official duties.
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Original upload log
[edit]This image is a derivative work of the following images:
- Epica 18 plot.png licensed with PD-USGov
- 2008-05-24T15:30:59Z Rosarinagazo 596x417 (11279 Bytes) {{Information |Description=Plots of delta-deuterium against age and depth (from EPICA and Vostok). Note that the Vostok core is deeper, but does not extend as far back in time. Note also that the y-axis offset between the EPI
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current | 12:22, 20 June 2010 | ![]() | 1,024 × 768 (124 KB) | Autopilot (talk | contribs) | {{Information |Description=Plots of delta-deuterium against age and depth (from EPICA and Vostok). Note that the Vostok core is deeper, but does not extend as far back in time. Note also that the y-axis offset between the EPICA and Vostok cores in delta-d |
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Image title | Produced by GNUPLOT 4.2 patchlevel 5 |
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