Welcome to the AGU article length tool Geophysical Research Letters, Global Biogeochemical Cycles, and Paleoceanography articles have length restrictions to encourage concisely written submissions. Use this tool to determine if your article is within the specified limit.  Journal  Maximum Length GBC 38 publication units (~12 final pages)   GRL 14 publication units (~4 final pages)   Paleo 47 publication units (~15 final pages) 20 publication units (<7 final pages for Current)   One publication unit is 380 word equivalents or 1 figure. For more details, see Publication Fees. Browse and select a PDF version of your article. Note that scanned PDFs will render false results and therefore should not be used. If you use the PDF from GEMS, you must rename the file. Select the journal to which you will submit and the number of figures in your article, if any. Check the box if your PDF contains line numbers. Click on Submit File. At any time, click here to start over.

Use Browse button and select your article PDF file Please make sure your filename does not contain any of the following characters: | ; , ! @ # $ ( ) < > / \ " ' ` ~ { } [ ] = + & ^ <space> <tab> Journal Select a Journal Geophysical Research Letters Global Biogeochemical Cycles Paleoceanography Number of Figures (For GRL, Editors strongly suggest no more than 4 figures per manuscript.) 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 My PDF includes line numbers 1.5 publication units subtracted for PA and GB only

For questions or comments, contact the appropriate journal: Geophysical Research Letters, Global Biogeochemical Cycles, Paleoceanography