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Topic · Water Science and Technology

Water Quality and Pollution Assessment

Water Quality and Pollution Assessment is a research topic within Water Science and Technology. Science Explorer counts 40k research works in it since 1950. 11.1% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on the assessment of surface water quality, utilizing multivariate statistical techniques, water quality indices, and spatial and temporal variations analysis. The impact of land use, urbanization, and environmental factors on water quality is extensively explored. Additionally, the cluster covers groundwater quality assessment and the use of chemometric analysis in evaluating water pollution sources.

  • Multivariate Statistical Techniques
  • Water Quality Index
  • Spatial and Temporal Variations
  • Land Use Impact
  • Principal Component Analysis
  • Groundwater Quality Assessment
  • Surface Water Pollution
  • Chemometric Analysis
  • Urbanization Effects
  • Environmental Impact
Research works
40k
fractional, since 1950
In the world top 10%
4.5k
per year above
Top-10% rate
11.1%
share of its works in the world top 10%
Growth, 2013–17 → 2018–22
+44%
the tick is no change

Which countries lead Water Quality and Pollution Assessment research?

By volume, India and China publish the most (1.5k and 1.3k works in 2022–2025).

By volume, 2022–2025

  1. 1 India 1.5k works
  2. 2 China 1.3k works
  3. 3 Brazil 807 works
  4. 4 Nigeria 679 works
  5. 5 United States 432 works
  6. 6 Iraq 372 works
  7. 7 Indonesia 301 works
  8. 8 Bangladesh 234 works
  9. 9 Egypt 215 works
  10. 10 Türkiye 212 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.

India: 24.8%China: 21.4%Brazil: 13.3%Nigeria: 11.2%6 others listed: 29.2%25%largest
India1,503 · 24.8%China1,297 · 21.4%Brazil807 · 13.3%Nigeria679 · 11.2%6 others listed1,767 · 29.2%

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

Which institutions lead Water Quality and Pollution Assessment research?

By volume in 2022–2025, University of Baghdad publishes the most Water Quality and Pollution Assessment research, followed by Chinese Academy of Sciences and University of Basrah.

By volume, 2022–2025

  1. 1 University of BaghdadIraq 66 works
  2. 2 Chinese Academy of SciencesChina 46 works
  3. 3 University of BasrahIraq 45 works
  4. 4 University of Port HarcourtNigeria 40 works
  5. 5 Tribhuvan UniversityNepal 35 works
  6. 6 Rivers State UniversityNigeria 35 works
  7. 7 National Institute of Oceanography and FisheriesEgypt 34 works
  8. 8 Universidade Estadual Paulista (Unesp)Brazil 31 works
  9. 9 Beijing Normal UniversityChina 29 works
  10. 10 Hohai UniversityChina 28 works

Where is Water Quality and Pollution Assessment research done?

The largest centres of Water Quality and Pollution Assessment research in 2022–2025 are Beijing (China), Dhaka (Bangladesh), Baghdad (Iraq) and Nanjing (China).

Largest cities, 2022–2025

  1. 1 Beijing China 361 works
  2. 2 Dhaka Bangladesh 130 works
  3. 3 Baghdad Iraq 114 works
  4. 4 Nanjing China 100 works
  5. 5 New Delhi India 88 works
  6. 6 São Paulo Brazil 82 works
  7. 7 Port Harcourt Nigeria 76 works
  8. 8 Chennai India 74 works
  9. 9 Wuhan China 67 works
  10. 10 Cairo Egypt 58 works
See Water Quality and Pollution Assessment on the map

Where is the best place to study Water Quality and Pollution Assessment?

Among universities, judged by research, Vivekananda Global University, University of Baghdad and Chukwuemeka Odumegwu Ojukwu University 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%20%40%60%mean 19.55%fractional works in this node (log) →share in the world top 10% →Vivekananda Global University: 10, 52.1%University of Baghdad: 66, 4.3%Chukwuemeka Odumegwu Ojukwu University: 15, 42.5%Giresun University: 11, 46.5%University of Basrah: 45, 2.2%Nnamdi Azikiwe University: 24, 10.4%University of Port Harcourt: 40, 1.4%University of Peshawar: 8, 30.0%University of Benin: 20, 5.9%Rivers State University: 35, 0.2%Vivekananda Global U…Giresun UniversityChukwuemeka Odumegwu…University of Baghdad
above the meannear itbelow it

One dot per university in the table below. The upper left is the interesting corner: small places doing unusually strong work.

#UniversityScoreTop 10%SpecialisationWorksGrowth
1 Vivekananda Global UniversityIndia 64.452.1%14.2×10 —
2 University of BaghdadIraq 63.94.3%10.6×66 +266.7%
3 Chukwuemeka Odumegwu Ojukwu UniversityNigeria 63.142.5%28.8×15 —
4 Giresun UniversityTürkiye 60.646.5%9.9×11 —
5 University of BasrahIraq 59.52.2%22.6×45 +286.4%
6 Nnamdi Azikiwe UniversityNigeria 58.410.4%15.8×24 +286.1%
7 University of Port HarcourtNigeria 57.71.4%27.1×40 +303.4%
8 University of PeshawarPakistan 56.430.0%11.7×8 +59.4%
9 University of BeninNigeria 56.15.9%20.6×20 +295.7%
10 Rivers State UniversityNigeria 55.10.2%23.9×35 +365.8%

Universities only. Score blends excellence (30%), specialisation (25%), size (20%), growth (15%) and international reach (10%), 2015–2022; growth compares 2010–14 with 2015–19.

Is Water Quality and Pollution Assessment research growing?

Output in 2018–2022 was 44% higher than in 2013–2017, peaking in 2022. The fastest-growing topics are Water Quality and Pollution Assessment.

19801990200020102020
grewheldshrank

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

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.