Most Used Index Terms

            Here are some factoids for the day about AGU Index Terms selected for manuscripts submitted JGR-Space Physics.

            The most-used AGU index term for JGR-Space Physics papers among those submitted between January 1 and mid-July: 2784, Solar wind/magnetosphere interactions. This is not surprising to me. It is such a general term that many papers across the space physics subfields fit into this category, and a quick scan of papers using this term reveals this to be the case. Because solar activity drives disturbances in planetary space environments, just about any paper from any subfield of space physics can include this index term in its list.

            The next two most commonly selected AGU Index Terms are both magnetospheric topics: 2774, Radiation belts; and 2730, Magnetosphere: inner. This is probably a result of the Van Allen Probes being in its prime mission phase right now. In addition, we just opened a special collection for Van Allen Probes data analysis studies (see the JGR Space Physics Call for Papers).

            Next on the list are three ionospheric physics terms, right in a row: 2437, Ionospheric dynamics; 2439, Ionospheric irregularities; and 2415, Equatorial ionosphere. It looks like, so far, the ionosphere is outpacing the thermosphere as a topic of newly submitted manuscripts to JGR-Space Physics.

            Not much farther down the list are the top three most-used terms related to solar-heliospheric physics: 2164, Solar wind plasma; 2114, Energetic particles; and 2101, Coronal mass ejections. The breakdown of SH manuscripts submitted so far this year is slightly in favor of heliospheric propagation over solar and coronal origins of these phenomena, but not by much.

            In the new AGU-Wiley website and format for journal articles, the Index Terms now appear in pop-out window for the “Information” button on the left. These are clickable links that launch an EASI database search for similar papers. Sometimes this can be a little overwhelming, finding hundreds or thousands of papers, but you can sort the search results by “Best Match” or “Date” and hopefully find some additional papers of relevance to you.

            It’s interesting to note that we’ve had over 600 new manuscript submissions so far this year. Even though authors can select up to five AGU Index Terms for a paper (and most select 3 to 5), none of the terms had been used more than 100 times. This is lower than I thought the max would be, but it can be explained by the fact that we have used 296 distinct index terms so far (well, as of mid-July, when we had our editorial board meeting), with nearly 100 being used only once. We are a diverse group!

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