Science Explorer Interactive view Map
Company · McLean · United States

Alion Science and Technology (United States)

In research, Alion Science and Technology (United States) stands highest in Physical Sciences (#9,307 of 21,541 worldwide) and Engineering (#9,837 of 11,412 worldwide), over all time.

alionscience.comROR OpenAlex
World rank, 2022–2025
#16,276
of 28,054 · #16,410 all time
Rank in United States
#2,315
of 4,192
Research works
461
▼ 36% vs 2013–17
Citations
7.2k
15.5 per fractional work
Top-10% rate
6.1%
record average 16.5%
Open access
20%
world 28%

What is Alion Science and Technology (United States) known for in research?

The fields where it stands highest, over all time, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorks
Physical SciencesDomain #9,307 of 21,541 13.5%299
EngineeringField #9,837 of 11,412 11.9%163

Each strip is that field’s whole ranked pool, with the notch where Alion Science and Technology (United States) sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 1.04× its world share, 4 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.33× its world share, 1 worksBiochemistry, Geneti…Immunology and Microbiology: 0.29× its world share, 0 worksImmunology and Micro…Neuroscience: 0.23× its world share, 0 worksNeuroscienceChemical Engineering: 0.31× its world share, 0 worksChemical EngineeringChemistry: 0.98× its world share, 1 worksChemistryComputer Science: 0.65× its world share, 4 worksComputer ScienceEarth and Planetary Sciences: 9.36× its world share, 11 worksEarth and Planetary …Energy: 0.39× its world share, 0 worksEnergyEngineering: 2.24× its world share, 26 worksEngineeringEnvironmental Science: 0.87× its world share, 3 worksEnvironmental ScienceMaterials Science: 0.19× its world share, 0 worksMaterials ScienceMathematics: 0.28× its world share, 0 worksMathematicsPhysics and Astronomy: 0.49× its world share, 1 worksPhysics and AstronomyHealth Professions: 0.34× its world share, 1 worksHealth ProfessionsMedicine: 0.33× its world share, 5 worksMedicineNursing: 0.37× its world share, 0 worksNursingArts and Humanities: 0.38× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 1.01× its world share, 2 worksBusiness, Management…Decision Sciences: 1.57× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 0.24× its world share, 0 worksEconomics, Econometr…Psychology: 0.61× its world share, 1 worksPsychologySocial Sciences: 1.20× its world share, 12 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Earth and Planetary Sciences, 9.4×. Every wedge is a field page.

Who are the top researchers at Alion Science and Technology (United States)?

Ranked on the composite score, M. Sams, Patricia L. McDermott and Henry Morris lead among researchers whose main affiliation is Alion Science and Technology (United States).

  1. 1 M. Sams United States · #657,075 worldwide 62 citations · 28 works
  2. 2 Patricia L. McDermott United States · #786,912 worldwide 22 citations · 31 works
  3. 3 Henry Morris United States · #1,226,123 worldwide 7 citations · 53 works
  4. 4 Ehsan Zabihi Naeini United States · #1,344,345 worldwide 22 citations · 25 works
All ranked researchers at Alion Science and Technology (United States)

Which keywords describe research at Alion Science and Technology (United States)?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Full-Waveform Tomography, Seismic Waveform Inversion, Pore Structure, Shale Gas, Hydraulic Fracturing, Shale Gas Reservoirs, CO2 Sequestration and Optimization.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

Size is fractional works in 2022–2025 in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Full-Waveform Tomography6▲ 176×1 topic
  2. Seismic Waveform Inversion6▲ 176×1 topic
  3. Hydraulic Fracturing5▲ 60×1 topic
  4. Pore Structure5▲ 53×1 topic
  5. Shale Gas5▲ 53×1 topic
  6. Shale Gas Reservoirs5▲ 108×1 topic
  7. CO2 Sequestration4▲ 27×3 topics
  8. Data Assimilation4▲ 30×1 topic
  9. Ensemble Kalman Filter4▲ 47×1 topic
  10. Optimization4▲ 10×2 topics
  11. Big Data3▲ 4.7×5 topics
  12. Sustainability3▲ 1.75×4 topics
  13. Machine Learning3▲ 1.29×14 topics
  14. Data Integration3▲ 21×4 topics
  15. Literature2▲ 6.0×2 topics
  16. Reactive Transport2▲ 62×2 topics
  17. Geological Mapping2▲ 37×2 topics
  18. Carbon Capture2▲ 70×1 topic
  19. Geological Storage2▲ 103×1 topic
  20. Legal Regulation2▲ 13×1 topic
  21. Sustainable Development2▲ 1.82×6 topics
  22. Transport Policy2▲ 22×1 topic
  23. Ethnicity2▲ 7.1×2 topics
  24. Islam2▲ 13×2 topics
  25. Nanoparticles2▲ 2.2×5 topics
  26. Air Force2▲ 21×1 topic
  27. Analytics2▲ 28×1 topic
  28. Business Intelligence2▲ 28×1 topic
  29. Culture2▲ 4.9×1 topic
  30. Geological Modeling2▲ 168×1 topic
  31. Modernization2▲ 14×1 topic
  32. Social Influence2▲ 12×1 topic
  33. Uncertainty Analysis2▲ 168×1 topic
  34. Continental Margin2▲ 37×2 topics
  35. Crustal Structure2▲ 37×2 topics
  36. Drilling Fluids2▲ 40×1 topic
  37. Well Integrity2▲ 40×1 topic
  38. Plate Tectonics2▲ 13×2 topics
  39. Cenozoic Evolution1▲ 50×1 topic
  40. Rifting1▲ 50×1 topic

Which research topics does Alion Science and Technology (United States) publish most on?

By volume in 2022–2025: Seismic Imaging and Inversion Techniques, Hydrocarbon exploration and reservoir analysis, Hydraulic Fracturing and Reservoir Analysis and Reservoir Engineering and Simulation Methods.

Seismic Imaging and Inversion Techniques: 6 fractional worksHydrocarbon exploration and reservoir analysis: 5 fractional worksHydraulic Fracturing and…5Hydraulic Fracturing and Reservoir Analysis: 5 fractional worksReservoir Engineering an…4Reservoir Engineering and Simulation Methods: 4 fractional worksCO2 Sequestration and Geologic Interactions: 2 fractional worksLegal and Regulatory Analysis: 2 fractional worksLinguistic, Cultural, and Literary Studies: 2 fractional worksBig Data and Business Intelligence: 2 fractional worksGeological Modeling and Analysis: 2 fractional worksMilitary Technology and Strategies: 2 fractional works
GeophysicsMechanics of MaterialsMechanical EngineeringOcean Engineering6 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Seismic Imaging and Inversion Techniques Geophysics 6 works
  2. 2 Hydrocarbon exploration and reservoir analysis Mechanics of Materials 5 works
  3. 3 Hydraulic Fracturing and Reservoir Analysis Mechanical Engineering 5 works
  4. 4 Reservoir Engineering and Simulation Methods Ocean Engineering 4 works
  5. 5 CO2 Sequestration and Geologic Interactions Environmental Engineering 2 works
  6. 6 Legal and Regulatory Analysis Transportation 2 works
  7. 7 Linguistic, Cultural, and Literary Studies Sociology and Political Science 2 works
  8. 8 Big Data and Business Intelligence Management Information Systems 2 works
  9. 9 Geological Modeling and Analysis Geochemistry and Petrology 2 works
  10. 10 Military Technology and Strategies Aerospace Engineering 2 works

How open and international is its research?

Against the world’s own shares — the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available19.5%not open80.5%

World: 28% of research is openly available.

with international co-authors20.0%domestic only80.0%

World: 19% is written across borders.

How has Alion Science and Technology (United States)'s research output changed?

Output in 2018–2022 was 36% lower than in 2013–2017.

1990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Other research institutions in McLean

All research institutions in McLean

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.