The graph shows the changes in the impact factor of Journal of Petrology and its the corresponding percentile for the sake of comparison with the entire literature. Impact Factor is the most common scientometric index, which is defined by the number of citations of papers in two preceding years divided by the number of papers published in those years.
How Influential is Journal of Petrology?
Journal of Petrology is the 1st out of 3 Petrology journals. This Journal is the 14th out of 133 Geophysics journals. This means the journal is among the top 11% in the sub-discipline of Geophysics. This Journal is the 36th out of 509 Geology journals. This means the journal is among the top 8% in the sub-discipline of Geology. This Journal is the 77th out of 1,091 Earth Science journals. This means the journal is among the top 8% in the discipline of Earth Science. This Journal is the 240th out of 2,084 Physics journals. This means the journal is among the top 12% in the discipline of Physics. This Journal is the 1302nd out of 11,479 Physical Sciences journals. This means the journal is among the top 12% in the science branch of Physical Sciences.
How are inpact factors calculated?
The impact factor (IF) is calculated by counting citations from peer-reviewed journals only.
extended IF also counts citations from books and conference papers. However, no patent, abstract, working papers, online documents, etc., are covered.
