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Company · La Jolla · United States

Impact Assessment

In research, Impact Assessment stands highest in Physical Sciences (#11,228 of 21,541 worldwide) and Environmental Science (#3,834 of 6,208 worldwide), over all time. Relative to its size it is most specialised in Environmental Science — Environmental Science is 5.8× its share of world research.

impactassessment.comROR OpenAlex
World rank, 2022–2025
#11,533
of 28,054 · #14,965 all time
Rank in United States
#1,570
of 4,192
Research works
466
▼ 7% vs 2013–17
Citations
11k
22.6 per fractional work
Top-10% rate
24.6%
record average 16.5%
Open access
40%
world 28%

What is Impact Assessment 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 #11,228 of 21,541 21.1%203
Environmental ScienceField #3,834 of 6,208 23.4%120

Each strip is that field’s whole ranked pool, with the notch where Impact Assessment 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).

What does Impact Assessment specialise in?

Where its research is concentrated relative to its size: Environmental Science takes 5.8× the share of its output that it takes of world research.

  1. Environmental ScienceField · 26.4 works5.8×
← less than its size predicts1×more →

Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.

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: 1.65× its world share, 7 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.42× its world share, 7 worksBiochemistry, Geneti…Immunology and Microbiology: 1.58× its world share, 2 worksImmunology and Micro…Neuroscience: 0.53× its world share, 1 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 1.51× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 3.03× its world share, 1 worksChemical EngineeringChemistry: 0.24× its world share, 0 worksChemistryComputer Science: 0.50× its world share, 4 worksComputer ScienceEarth and Planetary Sciences: 1.89× its world share, 3 worksEarth and Planetary …Energy: 0.76× its world share, 1 worksEnergyEngineering: 0.56× its world share, 8 worksEngineeringEnvironmental Science: 5.84× its world share, 26 worksEnvironmental ScienceMaterials Science: 0.40× its world share, 1 worksMaterials ScienceMathematics: 0.08× its world share, 0 worksMathematicsPhysics and Astronomy: 0.02× its world share, 0 worksPhysics and AstronomyDentistry: 0.88× its world share, 0 worksDentistryHealth Professions: 1.85× its world share, 4 worksHealth ProfessionsMedicine: 0.74× its world share, 13 worksMedicineNursing: 1.64× its world share, 1 worksNursingVeterinary: 1.49× its world share, 0 worksVeterinaryArts and Humanities: 0.44× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 0.75× its world share, 2 worksBusiness, Management…Decision Sciences: 0.84× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 0.86× its world share, 2 worksEconomics, Econometr…Psychology: 0.59× its world share, 2 worksPsychologySocial Sciences: 0.39× its world share, 4 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Environmental Science, 5.8×. Every wedge is a field page.

Who are the top researchers at Impact Assessment?

Ranked on the composite score, Richard J. Wenning lead among researchers whose main affiliation is Impact Assessment.

  1. 1 Richard J. Wenning United States · #738,740 worldwide 72 citations · 27 works
All ranked researchers at Impact Assessment

Which keywords describe research at Impact Assessment?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Health Effects, Global Distribution, Environmental Exposure, Environmental Impact, Toxicity, Bioaccumulation, Wastewater Treatment and Exposure Pathways.

▲ 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. Health Effects9▲ 17×14 topics
  2. Environmental Impact6▲ 4.1×23 topics
  3. Global Distribution6▲ 106×3 topics
  4. Environmental Exposure5▲ 56×3 topics
  5. Climate Change5▲ 2.2×24 topics
  6. Sustainability5▲ 2.4×23 topics
  7. Oxidative Stress5▲ 3.1×17 topics
  8. Toxicity4▲ 11×11 topics
  9. Cardiovascular Disease4▲ 4.0×14 topics
  10. Bioaccumulation4▲ 46×3 topics
  11. Public Health4▲ 2.7×13 topics
  12. Wastewater Treatment4▲ 16×2 topics
  13. Exposure Pathways3▲ 90×2 topics
  14. Perfluoroalkyl Substances3▲ 202×1 topic
  15. Polyfluoroalkyl Compounds3▲ 202×1 topic
  16. Inflammation3▲ 1.71×17 topics
  17. Renewable Energy3▲ 2.5×7 topics
  18. Waste Management3▲ 8.7×5 topics
  19. Mortality3▲ 5.9×6 topics
  20. Sustainable Development3▲ 2.1×6 topics
  21. Brominated Flame Retardants3▲ 88×1 topic
  22. Polycyclic Aromatic Hydrocarbons3▲ 60×1 topic
  23. Water Resources3▲ 12×3 topics
  24. Metabolic Disorders2▲ 23×2 topics
  25. Bisphenol A2▲ 73×1 topic
  26. Endocrine-Disrupting Chemicals2▲ 73×1 topic
  27. Food Safety2▲ 7.9×6 topics
  28. Risk Assessment2▲ 3.2×8 topics
  29. Human Health2▲ 13×2 topics
  30. Microbial Communities2▲ 4.8×6 topics
  31. Recycling2▲ 5.1×4 topics
  32. Biodiversity Conservation2▲ 4.8×5 topics
  33. Environmental Education2▲ 11×1 topic
  34. Particulate Matter2▲ 12×2 topics
  35. Vulnerability2▲ 7.8×4 topics
  36. Water Treatment2▲ 14×3 topics
  37. Air Quality1▲ 8.4×3 topics
  38. Pesticides1▲ 22×3 topics
  39. Pharmaceuticals1▲ 22×2 topics
  40. Atmospheric Aerosols1▲ 25×1 topic

Which research topics does Impact Assessment publish most on?

By volume in 2022–2025: Per- and polyfluoroalkyl substances research, Toxic Organic Pollutants Impact, Effects and risks of endocrine disrupting chemicals and Environmental Sustainability and Education.

Per- and polyfluoroalkyl substances research: 3 fractional worksToxic Organic Pollutants Impact: 3 fractional worksEffects and risks of endocrine disrupting chemicals: 2 fractional worksEnvironmental Sustainability and Education: 2 fractional worksAtmospheric chemistry and aerosols: 1 fractional worksAir Quality and Health I…1Air Quality and Health Impacts: 1 fractional worksClimate Change and Health Impacts: 1 fractional worksOccupational Health and Performance: 1 fractional worksPharmaceutical and Antibiotic Environmental Impacts: 1 fractional worksFood Safety and Hygiene: 1 fractional works
Environmental ChemistryHealth, Toxicology and MutagenesisManagement, Monitoring, Policy and LawAtmospheric Science3 others

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

  1. 1 Per- and polyfluoroalkyl substances research Environmental Chemistry 3 works
  2. 2 Toxic Organic Pollutants Impact Health, Toxicology and Mutagenesis 3 works
  3. 3 Effects and risks of endocrine disrupting chemicals Health, Toxicology and Mutagenesis 2 works
  4. 4 Environmental Sustainability and Education Management, Monitoring, Policy and Law 2 works
  5. 5 Atmospheric chemistry and aerosols Atmospheric Science 1 works
  6. 6 Air Quality and Health Impacts Health, Toxicology and Mutagenesis 1 works
  7. 7 Climate Change and Health Impacts Health, Toxicology and Mutagenesis 1 works
  8. 8 Occupational Health and Performance Occupational Therapy 1 works
  9. 9 Pharmaceutical and Antibiotic Environmental Impacts Pollution 1 works
  10. 10 Food Safety and Hygiene Food Science 1 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 available39.7%not open60.3%

World: 28% of research is openly available.

with international co-authors42.3%domestic only57.7%

World: 19% is written across borders.

How has Impact Assessment's research output changed?

Output in 2018–2022 was 7% 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 La Jolla

All research institutions in La Jolla

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.