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Researcher · Agricultural Research Service · United States

Marvin J. Shaffer

Marvin J. Shaffer publishes mostly in Soil Science, Environmental Chemistry and Water Science and Technology, on topics such as Soil and Water Nutrient Dynamics, Soil Carbon and Nitrogen Dynamics and Irrigation Practices and Water Management.

OpenAlex
World rank
#3,570,153
of 7,710,434 ranked researchers
Rank in United States
#995,113
of 1,627,098
Works
19
Citations
489
Citations per work
25.7
h-index
10
i10-index 10Top 50% in Soil Science
Marvin J. Shaffer

What does Marvin J. Shaffer research?

Marvin J. Shaffer's work is mostly in Agricultural and Biological Sciences (40%), Environmental Science (31%).

Life Sciences: 8 works · 40.0% of their workAgricultural and Biological Sciences: 8 works · 40.0% of their workSoil Science: 5 works · 28.6% of their workAgronomy and Crop Science: 1 works · 5.7% of their workPlant Science: 1 works · 5.7% of their workPhysical Sciences: 6 works · 31.4% of their workEnvironmental Science: 6 works · 31.4% of their workEnvironmental Chemistry: 3 works · 17.1% of their workWater Science and Technology: 2 works · 8.6% of their workPollution: 1 works · 5.7% of their workEverything else: 5 works · 28.6% of their workTHEIR WORKMarvin J. Shaffer19works
Life Sciences40%Physical Sciences31%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Agricultural and Biological Sciences840.0%
    1. Environmental Science631.4%
  3. Everything else528.6%
  1. 1Soil Science29% of their works
  2. 2Environmental Chemistry17% of their works
  3. 3Water Science and Technology9% of their works
  4. 4Agronomy and Crop Science6% of their works
  5. 5Plant Science6% of their works
  6. 6Pollution6% of their works

Research topics

Which keywords describe Marvin J. Shaffer's research?

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

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 21 words, with their numbers
  1. Climate Change94 topics
  2. Water Quality82 topics
  3. Hyporheic Zone61 topic
  4. Nutrient Cycling61 topic
  5. Soil Fertility52 topics
  6. Land Use Change42 topics
  7. Nitrogen Cycle41 topic
  8. Soil Carbon Sequestration41 topic
  9. Deficit Irrigation31 topic
  10. Water Use Efficiency31 topic
  11. Agricultural Sustainability21 topic
  12. Genetic Improvement22 topics
  13. Groundwater21 topic
  14. Hydrological Modeling21 topic
  15. Isotopes21 topic
  16. Soil Erosion21 topic
  17. Water Resources21 topic
  18. Crop Adaptation11 topic
  19. Forage Production11 topic
  20. Maize Yield11 topic
  21. Nitrogen Uptake11 topic

Where does Marvin J. Shaffer work?

Marvin J. Shaffer's main affiliation in the publication record is Agricultural Research Service, United States.

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

OpenAlex counts 19 works and 489 citations for Marvin J. Shaffer, an h-index of 10, ranking #3,570,153 of 7,710,434 researchers worldwide on the quality 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 have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

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