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Nonprofit · Niigata · Japan

Asia Center for Air Pollution Research

acap.asiaROR OpenAlex
World rank, all time
#17,647
of 42,892
Rank in Japan
#685
of 2,112
Research works
124
▼ 30% vs 2013–17
Citations
3.1k
25.0 per fractional work
Top-10% rate
17.7%
record average 16.5%
Open access
37%
world 28%

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: 1.59× its world share, 2 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.17× its world share, 0 worksBiochemistry, Geneti…Chemical Engineering: 0.97× its world share, 0 worksChemical EngineeringChemistry: 0.18× its world share, 0 worksChemistryComputer Science: 0.03× its world share, 0 worksComputer ScienceEarth and Planetary Sciences: 27.76× its world share, 8 worksEarth and Planetary …Engineering: 0.07× its world share, 0 worksEngineeringEnvironmental Science: 8.40× its world share, 8 worksEnvironmental ScienceMaterials Science: 0.02× its world share, 0 worksMaterials SciencePhysics and Astronomy: 0.03× its world share, 0 worksPhysics and AstronomyHealth Professions: 0.05× its world share, 0 worksHealth ProfessionsMedicine: 0.09× its world share, 0 worksMedicineNursing: 0.50× its world share, 0 worksNursingSocial Sciences: 0.16× its world share, 0 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Earth and Planetary Sciences, 27.8×. Every wedge is a field page.

Who are the top researchers at Asia Center for Air Pollution Research?

Ranked on the composite score, Hiromasa Ueda, Tsuyoshi Ohizumi and Hiroyuki Sase lead among researchers whose main affiliation is Asia Center for Air Pollution Research.

  1. 1 Hiromasa Ueda Japan · #136,358 worldwide 185 citations · 35 works
  2. 2 Tsuyoshi Ohizumi Japan · #1,264,971 worldwide 59 citations · 27 works
  3. 3 Hiroyuki Sase Japan · #1,491,295 worldwide 36 citations · 25 works
  4. 4 Kazuhide Matsuda Japan · #1,510,068 worldwide 38 citations · 18 works
  5. 5 Norio Fukuzaki Japan · #1,522,128 worldwide 16 citations · 19 works
All ranked researchers at Asia Center for Air Pollution Research

Which keywords describe research at Asia Center for Air Pollution Research?

By fractional works in all years, weighted toward what it does more of than the world: Air Quality, Atmospheric Aerosols, Black Carbon, Climate Change, Particulate Matter, Health Effects, Mortality and Air Pollution.

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

Size is fractional works in all years 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. Air Quality25▲ 106×5 topics
  2. Atmospheric Aerosols20▲ 233×1 topic
  3. Black Carbon20▲ 233×1 topic
  4. Climate Change20▲ 6.0×31 topics
  5. Particulate Matter16▲ 117×2 topics
  6. Health Effects16▲ 21×8 topics
  7. Oxidative Stress14▲ 6.1×7 topics
  8. Mortality13▲ 22×2 topics
  9. Air Pollution13▲ 94×2 topics
  10. Cardiovascular Disease13▲ 9.1×2 topics
  11. Fine Particulate Air Pollution12▲ 133×1 topic
  12. Global Burden of Disease12▲ 50×1 topic
  13. Water Quality9▲ 18×9 topics
  14. Satellite Observations7▲ 52×2 topics
  15. Eutrophication7▲ 38×3 topics
  16. Crop Yield6▲ 79×2 topics
  17. Global Warming6▲ 14×6 topics
  18. Remote Sensing6▲ 4.4×13 topics
  19. Ozone Depletion6▲ 78×1 topic
  20. Stratospheric Water Vapor6▲ 78×1 topic
  21. CO2 Emissions6▲ 39×3 topics
  22. Nutrient Limitation5▲ 38×2 topics
  23. Environmental Monitoring5▲ 12×4 topics
  24. Eco-Driving5▲ 81×1 topic
  25. Fuel Consumption5▲ 63×2 topics
  26. Vehicle Emissions5▲ 81×1 topic
  27. Hydrological Cycle4▲ 34×2 topics
  28. CO2 Enrichment4▲ 168×1 topic
  29. Climate4▲ 45×2 topics
  30. Food Security4▲ 8.2×2 topics
  31. Ozone Effects4▲ 168×1 topic
  32. Aerosols4▲ 54×1 topic
  33. Atmospheric Dust4▲ 98×1 topic
  34. Harmful Algal Blooms4▲ 29×2 topics
  35. Air Quality Monitoring4▲ 83×1 topic
  36. Dissolved Organic Matter4▲ 53×1 topic
  37. Emissions4▲ 15×4 topics
  38. Low-Cost Sensors4▲ 83×1 topic
  39. Oceanic Carbon Cycle4▲ 53×1 topic
  40. Methane3▲ 47×1 topic

Which research topics does Asia Center for Air Pollution Research publish most on?

By volume in 2022–2025: Atmospheric chemistry and aerosols, Air Quality and Health Impacts, Marine and coastal ecosystems and Plant responses to elevated CO2.

Atmospheric chemistry an…4Atmospheric chemistry and aerosols: 4 fractional worksAir Quality and Health I…2Air Quality and Health Impacts: 2 fractional worksMarine and coastal ecosy…1Marine and coastal ecosystems: 1 fractional worksPlant responses to elevated CO2: 1 fractional worksAtmospheric aerosols and clouds: 1 fractional worksAtmospheric Ozone and Cl…1Atmospheric Ozone and Climate: 1 fractional worksAtmospheric and Environmental Gas Dynamics: 1 fractional worksSoil and Water Nutrient Dynamics: 1 fractional worksAeolian processes and effects: 1 fractional worksAir Quality Monitoring and Forecasting: 1 fractional works
Atmospheric ScienceHealth, Toxicology and MutagenesisOceanographyPlant Science4 others

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

  1. 1 Atmospheric chemistry and aerosols Atmospheric Science 4 works
  2. 2 Air Quality and Health Impacts Health, Toxicology and Mutagenesis 2 works
  3. 3 Marine and coastal ecosystems Oceanography 1 works
  4. 4 Plant responses to elevated CO2 Plant Science 1 works
  5. 5 Atmospheric aerosols and clouds Global and Planetary Change 1 works
  6. 6 Atmospheric Ozone and Climate Atmospheric Science 1 works
  7. 7 Atmospheric and Environmental Gas Dynamics Global and Planetary Change 1 works
  8. 8 Soil and Water Nutrient Dynamics Environmental Chemistry 1 works
  9. 9 Aeolian processes and effects Earth-Surface Processes 1 works
  10. 10 Air Quality Monitoring and Forecasting Environmental Engineering 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 available36.9%not open63.1%

World: 28% of research is openly available.

with international co-authors33.5%domestic only66.5%

World: 19% is written across borders.

How has Asia Center for Air Pollution Research's research output changed?

Output in 2018–2022 was 30% 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 Niigata

All research institutions in Niigata

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.