Statistics
Publications
234
Citations
26.5K
H-Index
84
Active since
1965
J. R. Johnson is an author at Jet Propulsion Laboratory specializing in earth sciences, natural sciences, and martian geology.
Publications per year
1965–2025
234
234
In Situ Evidence for an Ancient Aqueous Environment at Meridiani Planum, Mars
S. W. Squyres, J. P. Grotzinger, R. E. Arvidson et al. · Science · 2004 · 952 citations · Full text
A Habitable Fluvio-Lacustrine Environment at Yellowknife Bay, Gale Crater, Mars
J. P. Grotzinger, D. Y. Sumner, Linda C. Kah et al. · Science · 2013 · 894 citations
R. E. Arvidson, S. W. Squyres, Robert C. Anderson et al. · Journal of Geophysical Research Atmospheres · 2006 · 708 citations · Full text
Mineralogy of a Mudstone at Yellowknife Bay, Gale Crater, Mars
D. T. Vaniman, D. L. Bish, D. W. Ming et al. · Science · 2013 · 667 citations
1–5 of 234