The chart shows the distribution of publications by all Research.com ranked scientists in the field of Environmental Sciences in 2026. The highlighted bar marks where John R. Spear sits on this spectrum.
This scientist: 205 publications — 66th percentile
66% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 687 publications or more.
The chart shows the D-index (discipline H-index) distribution of Environmental Sciences scientists ranked by Research.com in 2026. The highlighted bar marks where John R. Spear sits on this spectrum.
This scientist: 55 D-Index — 61st percentile
61% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 125 D-Index or more.
John R. Spear is affiliated with the Colorado School of Mines in the United States. Their research primarily focuses on environmental science, with significant contributions across subfields such as ecology, environmental chemistry, molecular biology, paleontology, and global and planetary change.
The scientist's work encompasses various key topics including microbial community ecology and physiology, methane hydrates and related phenomena, genomics and phylogenetic studies, paleontology and stratigraphy of fossils, geology and paleoclimatology research, hydrocarbon exploration and reservoir analysis, and atmospheric and environmental gas dynamics.
John R. Spear has published extensively in several scientific venues. The most frequent publication outlets include:
Recent noteworthy papers include:
Frequent coauthors in their collaborative research include Alexis S. Templeton, Frank A. Corsetti, Blake W. Stamps, Victoria A. Petryshyn, and Kalen Rasmussen. These collaborations reflect a sustained network of scientific inquiry and publication.
Evan Bolyen;Jai Ram Rideout;Matthew R. Dillon;Nicholas A. Bokulich
Evan Bolyen;Jai Ram Rideout;Matthew R. Dillon;Nicholas A. Bokulich
Stephen Nayfach;Simon Roux;Rekha Seshadri;Daniel Udwary
Ruth E. Ley;J. Kirk Harris;Joshua Wilcox;John R. Spear
L. K. Baumgartner;R. P. Reid;C. Dupraz;A. W. Decho
Ward T;Larson J;Meulemans J;Hillmann B
John R. Spear;Jeffrey J. Walker;Thomas M. McCollom;Norman R. Pace
Mostafa S. Elshahed;John M. Senko;Fares Z. Najar;Stephen M. Kenton
Jeffrey J. Walker;John R. Spear;Norman R. Pace
J Kirk Harris;J Gregory Caporaso;Jeffrey J Walker;John R Spear
Charles E Robertson;J Kirk Harris;John R Spear;Norman R Pace
Victor Kunin;Jeroen Raes;J Kirk Harris;John R Spear
John R. Spear;Linda A. Figueroa;Bruce D. Honeyman
Jason W. Sahl;Raleigh Schmidt;Elizabeth D. Swanner;Kevin W. Mandernack
Daniel R. Colman;Saroj Poudel;Blake W. Stamps;Eric S. Boyd;Eric S. Boyd
Charles E. Robertson;John R. Spear;J. Kirk Harris;Norman R. Pace
David C Vuono;Jan Benecke;Jochen Henkel;William C Navidi
John R. Spear;Linda A. Figueroa;Bruce D. Honeyman
Jacob P. Beam;Eric D. Becraft;Eric D. Becraft;Julia M. Brown;Frederik Schulz
Laura K. Baumgartner;John R. Spear;Daniel H. Buckley;Norman R. Pace
Marjorie A. Chan;Nancy W. Hinman;Sally L. Potter-McIntyre;Keith E. Schubert
John R. Spear;Ruth E. Ley;Alicia B. Berger;Norman R. Pace
John R. Spear;Hazel A. Barton;Charles E. Robertson;Christopher A. Francis
Eric S Boyd;Trinity L Hamilton;John R Spear;Matthew Lavin
Jessica N Ricci;Maureen L Coleman;Maureen L Coleman;Paula V Welander;Paula V Welander;Alex L Sessions
Hazel A. Barton;John R. Spear;Norman R. Pace
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