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Researcher · Agricultural Research Service - Plains Area · United States

M. J. Shaffer

M. J. Shaffer publishes mostly in Environmental Chemistry, Soil Science and Instrumentation, on topics such as Soil and Water Nutrient Dynamics, Soil Carbon and Nitrogen Dynamics and Plant nutrient uptake and metabolism.

OpenAlex
World rank
#687,260
of 1,633,909 ranked researchers
Rank in United States
#207,234
of 358,040
Works
15
Citations
99
Citations per work
6.6

What does M. J. Shaffer research?

Environmental Chemistry: 26.7%Soil Science: 20.0%Instrumentation: 6.7%Civil and Structural Engineering: 6.7%other fields: 39.9%27%top field
Environmental Chemistry26.7%Soil Science20.0%Instrumentation6.7%Civil and Structural Engineering6.7%other fields39.9%

Shares of their own output, by the field each of their topics belongs to. The grey slice is everything not listed.

  1. 1Environmental Chemistry27% of their works
  2. 2Soil Science20% of their works
  3. 3Instrumentation7% of their works
  4. 4Civil and Structural Engineering7% of their works
  5. 5Water Science and Technology7% of their works
  6. 6Nuclear and High Energy Physics7% of their works

Research topics

Which keywords describe M. J. Shaffer's research?

The keywords of their largest research topics: Water Quality, Climate Change, Hyporheic Zone, Nutrient Cycling, Nitrate, Nitrogen Cycle, Soil Carbon Sequestration and Carbon.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most.

All 19 words, with their numbers
  1. Water Quality52 topics
  2. Climate Change43 topics
  3. Hyporheic Zone41 topic
  4. Nutrient Cycling41 topic
  5. Nitrate22 topics
  6. Nitrogen Cycle21 topic
  7. Soil Carbon Sequestration21 topic
  8. Carbon11 topic
  9. Deficit Irrigation11 topic
  10. Free-Electron Lasers11 topic
  11. Groundwater11 topic
  12. Isotopes11 topic
  13. Nitrogen11 topic
  14. Peatlands11 topic
  15. Phosphorus11 topic
  16. Soil Hydraulic Properties11 topic
  17. Unsaturated Soil Mechanics11 topic
  18. Water Use Efficiency11 topic
  19. X-Ray11 topic

Where does M. J. Shaffer work?

M. J. Shaffer's main affiliation in the publication record is Agricultural Research Service - Plains Area, United States.

How many publications and citations does M. J. Shaffer have?

Science Explorer counts 15 works and 99 citations for M. J. Shaffer, ranking #687,260 of 1,633,909 researchers worldwide on the composite score.

Ranked on field-normalised excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics are in the interactive view on the map. Is this your page? Request a correction or removal.