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 Joseph N. Ryan sits on this spectrum.
This scientist: 126 publications — 28th percentile
28% 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 Joseph N. Ryan sits on this spectrum.
This scientist: 65 D-Index — 78th percentile
78% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 125 D-Index or more.
Joseph N. Ryan is affiliated with the University of Colorado Boulder in the United States. Their research spans environmental science and engineering, with a focus on environmental chemistry, global and planetary change, and various engineering disciplines including mechanical and ocean engineering.
Their scientific work concentrates on a range of topics within environmental science, including atmospheric and environmental gas dynamics, hydraulic fracturing and reservoir analysis, groundwater flow and contamination studies, as well as reservoir engineering and simulation methods. Additional areas of research involve mine drainage and remediation techniques, mining and resource management, and extraction and separation processes.
Joseph N. Ryan has published extensively in several research venues. Frequent publication outlets include:
Among their recent papers are:
Joseph N. Ryan frequently collaborates with other researchers, including Greg Lackey, Owen A. Sherwood, Harihar Rajaram, Robert Dilmore, and James Bolander. These coauthors have contributed to projects in related fields and publication efforts.
Their main academic fields are Environmental Science, with 11 publications, and Engineering, with 7 publications. Subfields within their research focus include global and planetary change, environmental engineering, mechanical engineering, ocean engineering, and environmental chemistry.
Joseph N Ryan;Menachem Elimelech
George R. Aiken;Heileen Hsu-Kim;Joseph N. Ryan
Markus Haitzer;George R Aiken;Joseph N Ryan
Nathalie Tufenkji;Joseph N. Ryan;Menachem Elimelech
Menachem Elimelech;Masahiko Nagai;Chun-Han Ko;Joseph N. Ryan
Brett A. Poulin;Joseph N. Ryan;George R. Aiken
Markus Haitzer;George R Aiken;Joseph N Ryan
Nathalie Tufenkji;Garrett F Miller;Joseph N Ryan;Ronald W Harvey
Mahalingam Ravichandran;George R. Aiken;Michael M. Reddy;Joseph N. Ryan
Joseph N. Ryan;Philip M. Gschwend
Joseph N. Ryan;Menachem Elimelech;Rebecca A. Ard;Ronald W. Harvey
Nicole M. DeNovio;James E. Saiers;Joseph N. Ryan
J.P Loveland;J.N Ryan;G.L Amy;R.W Harvey
Mahalingam Ravichandran;George R. Aiken;Joseph N. Ryan;Michael M. Reddy
Ann P. Pieper;Joseph N. Ryan;Ronald W. Harvey;Gary L. Amy
R. Todd Drexel;Markus Haitzer;Joseph N. Ryan;George R. Aiken
Joseph N. Ryan;Philip M. Gschwend
Jacob S. Waples;Kathryn L. Nagy;George R. Aiken;Joseph N. Ryan
Nicole M. DeNovio;James E. Saiers;Joseph N. Ryan
Joseph N. Ryan;Philip M. Gschwend
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