File:Beringia 8000bp 1.png

From Wikimedia Commons, the free media repository
Jump to navigation Jump to search

Original file(3,017 × 1,371 pixels, file size: 1.56 MB, MIME type: image/png)

Captions

Captions

Beringia, 8000 years ago

Summary[edit]

Description
English: Beringia 8000 years ago. Land bridge between Siberia and Alaska is just broken.
Date
Source Own work
Author Merikanto
Camera location65° 00′ 00″ N, 180° 00′ 00″ E Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

This image is generated with Generic Mapping tools 6 from Chelsa Trace21ka "orog" data.

https://chelsa-climate.org/chelsa-trace21k/

https://envicloud.wsl.ch/#/?prefix=chelsa%2Fchelsa_V1%2Fchelsa_trace%2F

directory orog

tex dem file

https://os.zhdk.cloud.switch.ch/envicloud/chelsa/chelsa_V1/chelsa_trace/orog/CHELSA_TraCE21k_dem_-80_V1.0.tif

https://os.zhdk.cloud.switch.ch/envicloud/chelsa/chelsa_V1/chelsa_trace/orog/CHELSA_TraCE21k_gle_-80_V1.0.tif

https://os.zhdk.cloud.switch.ch/envicloud/chelsa/chelsa_V1/chelsa_trace/orog/CHELSA_TraCE21k_glz_-80_V1.0.tif


Karger, D. N., Nobis, M. P., Normand, S., Graham, C. H., & Zimmermann, N. E. (2021). CHELSA-TraCE21k v1. 0. Downscaled transient temperature and precipitation data since the last glacial maximum. Climate of the Past Discussions, 1-27.

Generic Mapping Tools GMT 6 / Windows 10 code:


    1. download some selected chelsa trace21ka files from chelsa repository
    2. R 4.03 script
    3. 10.10.2021
    4. 0000.0005
    1. set timeout greater than 60, so we can download big files

options(timeout=2400)


download_trace21ka<-function(taimi, variable1, variable2) { address1="https://os.zhdk.cloud.switch.ch/envicloud/chelsa" address2="/chelsa_V1/chelsa_trace/" namebase1="CHELSA_TraCE21k_" namebase2="_V1.0.tif" url1=paste0(address1,address2,variable2,"/") dolly1=paste0(url1,namebase1,variable1,"_-",taimi,namebase2) desti1=paste0("indata/",namebase1,variable1,"_-",taimi,namebase2) #dolly1="https://os.zhdk.cloud.switch.ch/envicloud/chelsa/chelsa_V1/chelsa_trace/orog/CHELSA_TraCE21k_dem_-100_V1.0.tif" #desti1="out.tif" download.file(dolly1,desti1,method = "libcurl", mode = "wb" ) }


download_selected_trace29ka<-function(taimi) { variable2="orog" variable1="dem" download_trace21ka(taimi, variable1, variable2) variable1="glz" download_trace21ka(taimi, variable1, variable2) variable1="gle" download_trace21ka(taimi, variable1, variable2)

variable1="tasmax_7" variable2="tasmax" download_trace21ka(taimi, variable1, variable2)

variable1="tasmin_7" variable2="tasmin" download_trace21ka(taimi, variable1, variable2)

variable1="tasmax_1" variable2="tasmax" download_trace21ka(taimi, variable1, variable2)

variable1="tasmin_1" variable2="tasmin" download_trace21ka(taimi, variable1, variable2)

variable1="pr_7" variable2="pr" download_trace21ka(taimi, variable1, variable2)

variable1="pr_1" variable2="pr" download_trace21ka(taimi, variable1, variable2)

variable1="bio01" variable2="bio" download_trace21ka(taimi, variable1, variable2)

variable1="bio12" variable2="bio" download_trace21ka(taimi, variable1, variable2)

variable1="swe" variable2="bio" download_trace21ka(taimi, variable1, variable2)


variable1="scd" variable2="bio" download_trace21ka(taimi, variable1, variable2)

print("Trace21ka stuff downloaded.")

}


download_trace29ka_pr_bio<-function(taimi) {

variable1="bio01" variable2="bio" download_trace21ka(taimi, variable1, variable2)

variable1="bio12" variable2="bio" download_trace21ka(taimi, variable1, variable2)

variable1="pr_7" variable2="pr" download_trace21ka(taimi, variable1, variable2)

variable1="pr_1" variable2="pr" download_trace21ka(taimi, variable1, variable2) }



          1. unlink("./indata", recursive=TRUE)

dir.create("./indata")

args = commandArgs(trailingOnly=TRUE)

  1. print (args[1])

taimi=args[1]

print(taimi)


download_selected_trace29ka(taimi)

print(".")




Licensing[edit]

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

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current08:42, 10 October 2021Thumbnail for version as of 08:42, 10 October 20213,017 × 1,371 (1.56 MB)Merikanto (talk | contribs)Update
06:10, 9 October 2021Thumbnail for version as of 06:10, 9 October 20213,066 × 1,422 (2.18 MB)Merikanto (talk | contribs)Update
12:04, 7 October 2021Thumbnail for version as of 12:04, 7 October 20213,066 × 1,422 (1.61 MB)Merikanto (talk | contribs)Uploaded own work with UploadWizard

The following page uses this file:

Metadata