Science Explorer Back to mapMap
Discussion
Topic · Radiological and Ultrasound Technology

Radioactivity and Radon Measurements

Radioactivity and Radon Measurements is a research topic within Radiological and Ultrasound Technology. Science Explorer counts 30k research works in it since 1950. 10.0% of them reached the world's top 10% most cited for their field and year.

This cluster of papers explores the sources, effects, and health implications of ionizing radiation, with a focus on radon, depleted uranium, and natural radioactivity. It covers topics such as lung cancer risk, environmental impact, toxicity, exposure pathways, and the assessment of radiation hazards in various geological and industrial settings.

  • Ionizing Radiation
  • Radon
  • Lung Cancer
  • Depleted Uranium
  • Radioactivity
  • Health Effects
  • Environmental Impact
  • Radionuclides
  • Toxicity
  • Exposure Pathways
Research works
30k
fractional, since 1950
In the world top 10%
3.1k
per year above
Top-10% rate
10.0%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
-1%
the tick is no change
Largest producer
China
22% of the 10 largest, 2022-now
Radioactivity and Radon Measurements

This ranks research output and citation impact. It says nothing about the quality of diagnosis, treatment or care.

Which countries lead Radioactivity and Radon Measurements research?

By volume, China and India publish the most (670 and 421 works in 2022-now).

By volume, 2022-now

  1. 1 China 670 works
  2. 2 India 421 works
  3. 3 United States 389 works
  4. 4 Russia 284 works
  5. 5 Iraq 275 works
  6. 6 Nigeria 273 works
  7. 7 Japan 237 works
  8. 8 Türkiye 191 works
  9. 9 Egypt 142 works
  10. 10 Italy 139 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

China: 22.2%India: 13.9%United States: 12.9%Russia: 9.4%6 others listed: 41.6%22%largest
China670 · 22.2%India421 · 13.9%United States389 · 12.9%Russia284 · 9.4%6 others listed1,258 · 41.6%

Shares of the rows listed above, not of the whole node.

Which institutions lead Radioactivity and Radon Measurements research?

By volume in 2022-now, Russian Academy of Sciences publishes the most Radioactivity and Radon Measurements research, followed by Department of Atomic Energy and Chinese Academy of Sciences.

By volume, 2022-now

  1. 1 Russian Academy of SciencesRussia 103 works
  2. 2 Department of Atomic EnergyIndia 64 works
  3. 3 Chinese Academy of SciencesChina 64 works
  4. 4 University of KufaIraq 39 works
  5. 5 University of South ChinaChina 32 works
  6. 6 Centre National de la Recherche ScientifiqueFrance 32 works
  7. 7 Nuclear Materials AuthorityEgypt 26 works
  8. 8 University of BaghdadIraq 25 works
  9. 9 Japan Atomic Energy AgencyJapan 22 works
  10. 10 Ministry of Agriculture and Rural AffairsChina 22 works

Who are the leading researchers in Radioactivity and Radon Measurements?

The most-cited researchers publishing on Radioactivity and Radon Measurements include JoAnn E. Manson, Lídia Morawska and Kenji Shibuya.

  1. 1 JoAnn E. Manson United States 263k citations
  2. 2 Lídia Morawska Australia 244k citations
  3. 3 Kenji Shibuya Japan 242k citations
  4. 4 Philippe Ciais France 237k citations
  5. 5 Graham A. Colditz United States 233k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

What are the most cited papers in Radioactivity and Radon Measurements?

The most cited paper in Radioactivity and Radon Measurements is "Discussion Reporting of 14 C Data" (Minze Stuiver, Henry A. Polach, 1977), with 5,732 citations. Next come "Heavy metal pollution in the environment and their toxicological effects on humans" (4,377) and "Heavy Metals in Contaminated Soils: A Review of Sources, Chemistry, Risks and Best Available Strategies for Remediation" (3,844).

Most cited papers
#PaperReleasedCitations
1 Discussion Reporting of 14 C Data Minze Stuiver, Henry A. Polach · Radiocarbon Open access 1977 5,732
2 Heavy metal pollution in the environment and their toxicological effects on humans Jessica F. Briffa, Emmanuel Sinagra, Renald A. Blundell · Heliyon Open access Sep 2020 4,377
3 Heavy Metals in Contaminated Soils: A Review of Sources, Chemistry, Risks and Best Available Strategies for Remediation Raymond Ahulle Wuana, Felix Ebhodaghe Okieimen · ISRN Ecology Open access 24 Oct 2011 3,844
4 The calculation of lead-210 dates assuming a constant rate of supply of unsupported 210Pb to the sediment P. G. Appleby, Frank Oldfield · CATENA Apr 1978 2,939
5 Cosmic ray labeling of erosion surfaces: in situ nuclide production rates and erosion models D. Lal · Earth and Planetary Science Letters Jun 1991 2,664
All 99 most cited papers, with filters and sorting

Where is Radioactivity and Radon Measurements research done?

The largest centres of Radioactivity and Radon Measurements research in 2022-now are Beijing (China), Moscow (Russia), Cairo (Egypt) and Baghdad (Iraq). Among places with at least 20 works in it, it is an unusually large share of all research in Obninsk and Tōkai Mura.

Largest cities, 2022-now

  1. 1 BeijingChina 200 works
  2. 2 MoscowRussia 112 works
  3. 3 CairoEgypt 79 works
  4. 4 BaghdadIraq 76 works
  5. 5 MumbaiIndia 73 works
  6. 6 NajafIraq 46 works
  7. 7 DhakaBangladesh 46 works
  8. 8 HengyangChina 45 works
  9. 9 TokyoJapan 42 works
  10. 10 TehranIran 38 works

Where it is the local speciality

  1. ObninskRU · 22.0 works91×
  2. Tōkai MuraJP · 22.0 works52×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Radioactivity and Radon Measurements than the world average.

See Radioactivity and Radon Measurements on the map

Where is the best place to study Radioactivity and Radon Measurements?

Among universities, judged by research, University of Raparin, King Saud University and University of Kufa score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%25%50%75%mean 26.13%fractional works in this field (log) →share of work in the world top 10% →University of RaparinKing Saud UniversityUniversity of South …University of Kufa
above the meannear itbelow it

One dot per university in the first ten of the table below, at the default weights. The upper left is the interesting corner: small places doing unusually strong work.

Excellenceshare of its work in the world top 10%, 2022-now and all time averaged
40%
Specialisationhow much of its work is in this field, counted up to 10× the world share
10%
Sizeits output in this field, on a log scale
30%
Growthoutput growth, counted from -20% to +20%
10%
Internationalshare of its work with a co-author abroad
10%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreTop 10%SpecialisationWorksGrowth
1University of RaparinIraq 61.867.6%71.8×10 -
2King Saud UniversitySaudi Arabia 54.439.5%3.1×14 +121.7%
3University of KufaIraq 51.20.3%41.6×39 +51.2%
4University of South ChinaChina 49.45.2%25.9×32 +34.9%
5Sunway UniversityMalaysia 48.331.1%18.3×8 +33.6%
6Ural Federal UniversityRussia 45.017.7%11.4×15 +23.4%
7Lanzhou UniversityChina 44.037.2%3.5×11 +56.0%
8Alexandria UniversityEgypt 42.831.4%5.3×11 +154.8%
9Lomonosov Moscow State UniversityRussia 42.67.2%4.7×19 +16.3%
10Al-Azhar UniversityEgypt 41.424.1%6.3×11 +12.2%

Universities only. The score blends excellence (40%), size (30%), specialisation (10%), growth (10%), international reach (10%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise.

Every institution in Radioactivity and Radon Measurements, country by country

Is Radioactivity and Radon Measurements research growing?

Output in 2022-2025 was 1% lower than in 2018-2021, peaking in 2021.

still counting19801990200020102020
grewheldshrank

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

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Radioactivity and Radon Measurements as a percentage of every work published that year, 0.022% in 2024.

still counting0.020%0.040%0.060%Radioactivity and Radon Measurements0.021% in 202519801990200020102020

Fractional works of Radioactivity and Radon Measurements over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year.

still counting5%10%15%Radioactivity and Radon Measurements10.2% in 2025200020102020

Of each year's works in it, the share that reached the world's 10% most cited for their field and year. A field is the world for its own topics, so there is no other line to hold it against.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.

Discussion

Ask a question or share a note about Radioactivity and Radon Measurements. Posts are plain text and can be reported.