The 2nd edition of Research.com ranking of the best scholars in the
arena of Earth Science relies os data
combined from multiple data sources including OpenAlex and
CrossRef. The bibliometric data for estimating the citation-based metrics were
gathered on 21-12-2022. Position in the ranking is based on a
scientist's D-index (Discipline H-index), which
takes into account only publications and citation
metrics for an examined discipline.
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The focus of our Earth Science research
Our best scientists ranking is a credible
account of leading researchers from the discipline of
Earth Science, established by means of a meticulous
study of 166,880 scientists discovered
from multiple bibliometric data sources. For the area of
Earth Science, over 7636 scientists were
examined.
What is D-index inclusion threshold for Earth Science
The D-index threshold for approving a researcher to be
considered is placed at 30 if
most of their publications are in the field of Earth Science. The
acceptance requirements for researchers to be
considered into the ranking of top scientists are based on the D-index, ratio
of the publications made within the specific area
plus the awards and achievements of the researchers. The
D-index threshold for including leading researchers is
set as an increment of 10 depending on the total number of scientists
assessed for each scientific field whilst
making sure that the top 1% of best scientists are
added into the list. There should be a proximity of
30% or less between a researcher’s general H-index and their D-index.
Other verification rules
As our main mission is to ensure that only
genuine researchers are included in
the ranking we realize that metrics are never
meant to be an absolute measure to evaluate the
work of researchers. This is why
we manually inspect every profile and cross-correlate it against publications in a
varied range of reliable sources. While it’s not a
metric contributing to a researcher’s position in
the ranking, the amount of papers published in
major journals and conference proceedings should form a
credible secondary indication of their contribution to research in a
specific discipline. Position in the ranking is
established using every researcher’s D-index
using data collected from OpenAlex and
CrossRef, which are the most trustworthy and well-known bibliometric
databases of this type available to the scientific community. A
detailed definition of our research procedures
can be found on our
methodology page.
Our goal
Our goal is to motivate scholars,
entrepreneurs and administrative bodies
worldwide to investigate where top experts are heading
and to offer an opportunity for the whole research community to
find out who the leading experts in specific
areas of study, in different countries, or even within research
institutions are.
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Key findings for Earth Science
With 36 scientists Brazil ranks in spot 20
globally.
As far as scientific affiliations are concerned, the institution with the highest number of leading scientists in Brazil is Universidade de São Paulo with 12 scientists affiliated with it being listed in Research.com Earth Science ranking. It is followed by Federal University of Rio de Janeiro with 6 researchers. Ranking thirds is National Institute for Space Research with 4 scholars.
Prominent scientists present in Brazil are affiliated with National Institute for Space Research, Federal University of Rio de Janeiro, University of Brasília, Universidade Federal de Viçosa, Federal University of Rio Grande do Sul, Universidade do Vale do Rio dos Sinos, Federal University of Pernambuco, Universidade Federal de Minas Gerais, Universidade de São Paulo, Federal University of Rio Grande do Norte.
Professor M.A. Abdu from National Institute for Space Research is highlighted as the best researcher in Brazil in our ranking with a D-index of 67. Ranking on the second place in Brazil is M. Th. van Genuchten from Federal University of Rio de Janeiro with a D-index of 66. The third position in Brazil is occupied by Walter D. Gonzalez from National Institute for Space Research with a D-index of 60.
The average D-index for the top 10% researchers is 63 in comparison to an average of 40 for all 36 researchers featured in Research.com ranking.
The average number of published articles within the discipline of Earth Science for the top 3% of researchers in the ranking is 383 in comparison to an average of 190 for all 36 researchers.
The average number of citations for the top 10% researchers is 14738 against an average of 7022 for all 36 scientists.
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