File:Ccsm4 beringia lgm tundratypes by temperature 1.png
Original file (3,381 × 1,247 pixels, file size: 630 KB, MIME type: image/png)
Summary
| Description |
English: Beringia tundra types according of calculated paleotemperature, during Last Glacial maximum.
Image is based avargage July temperature, that is produced with CCSM24 climate model. |
| Date | |
| Source | Own work |
| Author | Merikanto |
Source data is downloaded under this path
http://www.worldclim.org/paleo-climate1 archive copy at the Wayback Machine
Downscaled Paleoclimate data WorldClim 1.4 downscaled paleo climate Last Glacial Maximum 2.5 minutes tn, tx, pr, bi
http://biogeo.ucdavis.edu/data/climate/cmip5/lgm/cclgmtn_2-5m.zip http://biogeo.ucdavis.edu/data/climate/cmip5/lgm/cclgmtx_2-5m.zip
and unzip this
In this work is used tn,tx
cclgmtn7.tif cclgmtx7.tif
Also used QGIS command line GDAL utils and GMT (generic mapping tools)
In linux command line "sudo apt-get install gmt qgis kolourpaint4"
under ubuntu-based linux. Result image is rotated and cropped with Lubuntu picture viewer and Kolourpaint4
bash script
sorce1=cclgmtn7.tif
sorce2=cclgmtx7.tif
desti=cclgmtk10_7.tif
destinc=cclgmtk_t10_7.nc
destinc360=cclgmtk_s360_t10_7.nc
- gdal_calc.py -A $sorce1 -B $sorce2 --outfile=$desti --calc="(A+B)/20"
- gdal_translate -of netcdf $desti $destinc
- Rscript to360.r --args $destinc $destinc360 Band1 Band1 lon lat
- Rscript to360.r --args $destinc $destinc360 Band1 tkx10 lon lat
- beringia 1
gmt grdimage -K -JQ180/7.0i -Cuplow3.cpt -R-200.00/-120.00/50.00/80.00 -B5g5 -B+t" CAVM types of tundra, Beringia, LGM, CCSM4" $destinc360 > out.ps
gmt grdcontour -K -O -JQ180/7.0i -S4 -C3 -Cuplow3.cpt -Wc1.5,0/0/100 -Ac+f13p -R-200.00/-120.00/50.00/80.00 $destinc360 >> out.ps
psscale -Ef -Cuplow3.cpt -D7.6i/1.2i/2.6i/0.3i -L0.1 -O >> out.ps
psconvert -Tg out.ps
-30 0/0/127 0 0/0/127 ;pd. (ice & barren polar desert)
0 0/255/0 8 0/255/0 ;C (herb, forb, grass, prostrates)
8 255/0/0 12 255/0/0 ;E (shrubs, sometimes trees)
12 255/160/255 14 255/160/255 ;sa. (subarctic trees, shrubs)
B blue
F white
N 127.5
Licensing
- 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 | 01:43, 15 August 2016 | | 3,381 × 1,247 (630 KB) | imagescommonswiki>Merikanto | User created page with UploadWizard |
File usage
The following file is a duplicate of this file (more details):
- File:Ccsm4 beringia lgm tundratypes by temperature 1.png from Wikimedia Commons
The following page uses this file:
