A scientist has an h-index if h of his N publications are cited at least h times each, while the remaining (N - h) publications are cited no more than h times each.

https://www.pnas.org/doi/full/10.1073/pnas.0507655102

i10-index

The number of the author's publications that received at least 10 links each.

https://scholar.googleblog.com/2011/11/google-scholar-citations-open-to-all.html

m-index

The researcher's m-index is numerically equal to the ratio of his h-index to the number of years that have passed since the first publication.

https://harzing.com/publications/white-papers/reflections-on-the-h-index

o-index

The geometric mean of the h-index and the number of citations of the most cited article of the scientist.

https://arxiv.org/abs/1511.01545

g-index

For a given set of articles, sorted in descending order of the number of citations that these articles received, the g-index is the largest number such that the g most cited articles received (in total) at least g² citations.

https://doi.org/10.1007/s11192-006-0144-7

w-index

If w articles of a researcher have at least 10w citations each and other publications are less than 10(w+1) citations, then the researcher's w-index is equal to w.

https://doi.org/10.1002/asi.21276

Top-100

Fields of science

	1 2
General Medicine	General Medicine, 2, 50% General Medicine 2 publications, 50%
Geography, Planning and Development	Geography, Planning and Development, 2, 50% Geography, Planning and Development 2 publications, 50%
General Earth and Planetary Sciences	General Earth and Planetary Sciences, 2, 50% General Earth and Planetary Sciences 2 publications, 50%
Geology	Geology, 1, 25% Geology 1 publication, 25%
Environmental Science (miscellaneous)	Environmental Science (miscellaneous), 1, 25% Environmental Science (miscellaneous) 1 publication, 25%
	1 2

Journals

	1
Vestnik of Saint Petersburg University. Earth Sciences	Vestnik of Saint Petersburg University. Earth Sciences, 1, 25% Vestnik of Saint Petersburg University. Earth Sciences 1 publication, 25%
IOP Conference Series: Earth and Environmental Science	IOP Conference Series: Earth and Environmental Science, 1, 25% IOP Conference Series: Earth and Environmental Science 1 publication, 25%
E3S Web of Conferences	E3S Web of Conferences, 1, 25% E3S Web of Conferences 1 publication, 25%
Izvestiya Rossiiskoi Akademii Nauk. Seriya Geograficheskaya	Izvestiya Rossiiskoi Akademii Nauk. Seriya Geograficheskaya, 1, 25% Izvestiya Rossiiskoi Akademii Nauk. Seriya Geograficheskaya 1 publication, 25%
	1

Citing journals

	1
Geography and Natural Resources	Geography and Natural Resources, 1, 50% Geography and Natural Resources 1 citation, 50%
Известия Русского географического общества	Известия Русского географического общества, 1, 50% Известия Русского географического общества 1 citation, 50%
	1

Publishers

	1
EDP Sciences	EDP Sciences, 1, 25% EDP Sciences 1 publication, 25%
Saint Petersburg State University	Saint Petersburg State University, 1, 25% Saint Petersburg State University 1 publication, 25%
IOP Publishing	IOP Publishing, 1, 25% IOP Publishing 1 publication, 25%
The Russian Academy of Sciences	The Russian Academy of Sciences, 1, 25% The Russian Academy of Sciences 1 publication, 25%
	1

Organizations from articles

	1 2 3
Lomonosov Moscow State University	Lomonosov Moscow State University, 3, 60% Lomonosov Moscow State University 3 publications, 60%
Organization not defined	Organization not defined, 1, 20% Organization not defined 1 publication, 20%
Fukushima University	Fukushima University, 1, 20% Fukushima University 1 publication, 20%
	1 2 3

Countries from articles

	1 2 3
Russia	Russia, 3, 50% Russia 3 publications, 50%
Country not defined	Country not defined, 2, 33.33% Country not defined 2 publications, 33.33%
Japan	Japan, 1, 16.67% Japan 1 publication, 16.67%
	1 2 3

Citing organizations

	1 2
Lomonosov Moscow State University	Lomonosov Moscow State University, 2, 50% Lomonosov Moscow State University 2 citations, 50%
Water Problems Institute of the Russian Academy of Sciences	Water Problems Institute of the Russian Academy of Sciences, 1, 25% Water Problems Institute of the Russian Academy of Sciences 1 citation, 25%
Institute of Geography of the Russian Academy of Sciences	Institute of Geography of the Russian Academy of Sciences, 1, 25% Institute of Geography of the Russian Academy of Sciences 1 citation, 25%
	1 2