Hyperprolific and hypercited authors

Table 3 shows the number of highly cited papers (HCP) on biochar for specific authors, as well as their total number of HCP.
Yong Sik Ok has contributed to 92 HCP on biochar out of a total of 114 HCP, indicating a significant presence in the field. Similarly, Dan Tsang has authored 66 HCP on biochar out of a total of 90 HCP, further highlighting their significant contributions.
Bin Gao has contributed to 46 HCP on biochar out of a total of 56 HCP, indicating a focused research interest in this area. Joerg Rinklebe has also contributed to 46 HCP on biochar, with a total of 63 HCP, suggesting a strong presence in the field. Notably, Guangming Zeng has a substantial contribution of 46 HCP on biochar, but an exceptionally high total of 199 HCP, which suggests a wide range of research interests beyond biochar. Johannes Lehmann from Cornell University was previously identified as having the largest citation in biochar is now dethroned by Yong Sik Ok and Dan Tsang.
The numbers of highly cited papers (HCP) by some authors in the field of biochar appear to be unusually high and potentially unrealistic. For example, Yong Sik Ok, who published copiously has on average 11 highly cited papers per year.
 
Table 3. Hyperprofilic  authors who have published more than 40 highly cited papers (HCP) on biochar, their HCP on biochar and total HCP, based on Web of Science.
Authors HCP on biochar Total HCP
Ok, Yong Sik 92 114
Tsang, Dan 66 90
Gao, Bin 46 56
Rinklebe, Joerg 46 63
Zeng, Guangming 46 199
     
     
 
Table 4. Number of papers published by selected hyperprofilic  authors from 2012 to 2022 based on Web of Science.
Year Ok, Yong Sik Tsang, Dan Gao, Bin Rinklebe, Joerg Zeng, Guangming
  Korea University Hongkong Polytech University University of Florida Wuppertal University Hunan University
2022 59 39 37 88 39
2021 101 89 32 97 57
2020 106 145 47 49 63
2019 120 104 56 57 167
2018 96 99 40 34 225
2017 113 50 25 44 170
2016 62 12 35 8 144
2015 27 7 21 11 140
2014 24 6 23 10 69
2013 24 10 22 5 44
2012 14 0 17 1 42