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Company · Bradford · United Kingdom

Kelda Group (United Kingdom)

keldagroup.comROR OpenAlex
World rank, all time
#32,085
of 34,923
Rank in United Kingdom
#1,730
of 1,844
Research works
141
▲ 5% vs 2018-21
Citations
2.5k
17.5 per fractional work
Top-10% rate
10.7%
all institutions 10.0%
vs its own fields
0.94×
1.00× is exactly expected
Open access
19%
world 40%
International
12%
world 18%
Kelda Group (United Kingdom)

Which fields of science does Kelda Group (United Kingdom) work in?

In all years, 78% of research at Kelda Group (United Kingdom) is in Physical Sciences, 10% in Social Sciences. Its largest fields are Environmental Science (46%), Engineering (22%), Biochemistry, Genetics and Molecular Biology (4%). It does 1.9× the world's share of Physical Sciences.

Physical Sciences: 110 fractional works · 77.6% of its workEnvironmental Science: 65 fractional works · 46.3% of its workWater Science and Technology: 16 fractional works · 11.1% of its workPollution: 8 fractional works · 5.9% of its workEcology: 8 fractional works · 5.5% of its workIndustrial and Manufacturing Engineering: 8 fractional works · 5.5% of its workEnvironmental Engineering: 7 fractional works · 5.1% of its workHealth, Toxicology and Mutagenesis: 6 fractional works · 4.3% of its workEnvironmental Chemistry: 6 fractional works · 4.0% of its workManagement, Monitoring, Policy and Law: 3 fractional works · 1.8% of its workGlobal and Planetary Change: 2 fractional works · 1.7% of its workNature and Landscape Conservation: 2 fractional works · 1.3% of its workEngineering: 31 fractional works · 21.8% of its workCivil and Structural Engineering: 11 fractional works · 8.1% of its workOcean Engineering: 4 fractional works · 3.1% of its workBuilding and Construction: 4 fractional works · 2.7% of its workControl and Systems Engineering: 3 fractional works · 1.9% of its workElectrical and Electronic Engineering: 2 fractional works · 1.8% of its workMechanical Engineering: 2 fractional works · 1.5% of its workBiomedical Engineering: 2 fractional works · 1.4% of its workMechanics of Materials: 0 fractional works · 0.3% of its workComputational Mechanics: 0 fractional works · 0.3% of its workAerospace Engineering: 0 fractional works · 0.3% of its workSafety, Risk, Reliability and Quality: 0 fractional works · 0.3% of its workIndustrial and Manufacturing Engineering: 0 fractional works · 0.2% of its workChemistry: 5 fractional works · 3.4% of its workAnalytical Chemistry: 2 fractional works · 1.3% of its workInorganic Chemistry: 1 fractional works · 0.7% of its workElectrochemistry: 1 fractional works · 0.7% of its workPhysical and Theoretical Chemistry: 0 fractional works · 0.4% of its workSpectroscopy: 0 fractional works · 0.4% of its workEarth and Planetary Sciences: 4 fractional works · 2.5% of its workGeochemistry and Petrology: 2 fractional works · 1.5% of its workAtmospheric Science: 1 fractional works · 0.4% of its workGeophysics: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.3% of its workComputer Science: 2 fractional works · 1.1% of its workArtificial Intelligence: 1 fractional works · 0.5% of its workComputer Networks and Communications: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.3% of its workPhysics and Astronomy: 1 fractional works · 0.9% of its workAstronomy and Astrophysics: 1 fractional works · 0.7% of its workSmaller subfields together: 0 fractional works · 0.1% of its workChemical Engineering: 1 fractional works · 0.8% of its workBioengineering: 1 fractional works · 0.4% of its workProcess Chemistry and Technology: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.1% of its workMaterials Science: 1 fractional works · 0.4% of its workMaterials Chemistry: 1 fractional works · 0.4% of its workMathematics: 0 fractional works · 0.2% of its workEnergy: 0 fractional works · 0.1% of its workSocial Sciences: 14 fractional works · 9.7% of its workBusiness, Management and Accounting: 5 fractional works · 3.5% of its workOrganizational Behavior and Human Resource Management: 3 fractional works · 1.9% of its workMarketing: 1 fractional works · 0.9% of its workStrategy and Management: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.3% of its workSocial Sciences: 4 fractional works · 3.1% of its workSociology and Political Science: 2 fractional works · 1.3% of its workPolitical Science and International Relations: 1 fractional works · 0.8% of its workPublic Administration: 0 fractional works · 0.4% of its workEducation: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.3% of its workEconomics, Econometrics and Finance: 2 fractional works · 1.7% of its workEconomics and Econometrics: 2 fractional works · 1.6% of its workSmaller subfields together: 0 fractional works · 0.1% of its workArts and Humanities: 2 fractional works · 1.2% of its workMusic: 1 fractional works · 0.7% of its workArcheology: 1 fractional works · 0.5% of its workDecision Sciences: 0 fractional works · 0.2% of its workPsychology: 0 fractional works · 0.1% of its workLife Sciences: 12 fractional works · 8.7% of its workBiochemistry, Genetics and Molecular Biology: 6 fractional works · 4.3% of its workMolecular Biology: 2 fractional works · 1.6% of its workEndocrinology: 1 fractional works · 1.0% of its workGenetics: 1 fractional works · 0.6% of its workBiophysics: 1 fractional works · 0.4% of its workBiotechnology: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.4% of its workAgricultural and Biological Sciences: 5 fractional works · 3.2% of its workSoil Science: 2 fractional works · 1.2% of its workAquatic Science: 1 fractional works · 0.7% of its workInsect Science: 1 fractional works · 0.5% of its workPlant Science: 1 fractional works · 0.4% of its workAgronomy and Crop Science: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.2% of its workImmunology and Microbiology: 1 fractional works · 1.0% of its workParasitology: 1 fractional works · 1.0% of its workSmaller subfields together: 0 fractional works · 0.0% of its workPharmacology, Toxicology and Pharmaceutics: 0 fractional works · 0.1% of its workHealth Sciences: 6 fractional works · 4.0% of its workMedicine: 3 fractional works · 2.4% of its workSurgery: 1 fractional works · 0.5% of its workGastroenterology: 0 fractional works · 0.4% of its workRehabilitation: 0 fractional works · 0.4% of its workInfectious Diseases: 0 fractional works · 0.3% of its workCardiology and Cardiovascular Medicine: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.7% of its workHealth Professions: 2 fractional works · 1.4% of its workGeneral Health Professions: 1 fractional works · 0.5% of its workRadiological and Ultrasound Technology: 1 fractional works · 0.5% of its workMedical Laboratory Technology: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.0% of its workNursing: 0 fractional works · 0.1% of its workVeterinary: 0 fractional works · 0.1% of its workALL ITS WORKKelda Group(United Kingdom)141fractional works, all years
Life Sciences9%Physical Sciences78%Health Sciences4%Social Sciences10%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in all years. Every slice is a page; the interactive view zooms down to single topics and colours each by how much more of it this institution does than the world.

Its 4 domains and 24 fields, with their numbers
    1. Environmental Science6546.3%
    2. Engineering3121.8%
    3. Chemistry53.4%
    4. Earth and Planetary Sciences42.5%
    5. Computer Science21.1%
    6. Physics and Astronomy10.9%
    7. Chemical Engineering10.8%
    8. Materials Science10.4%
    9. Mathematics00.2%
    10. Energy00.1%
    1. Business, Management and Accounting53.5%
    2. Social Sciences43.1%
    3. Economics, Econometrics and Finance21.7%
    4. Arts and Humanities21.2%
    5. Decision Sciences00.2%
    6. Psychology00.1%
    1. Biochemistry, Genetics and Molecular Biology64.3%
    2. Agricultural and Biological Sciences53.2%
    3. Immunology and Microbiology11.0%
    4. Pharmacology, Toxicology and Pharmaceutics00.1%
    1. Medicine32.4%
    2. Health Professions21.4%
    3. Nursing00.1%
    4. Veterinary00.1%
All of science, and how each field's share has moved since 1950: the Science domain explorer

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: 0.59× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 2.09× its world share, 1 worksBiochemistry, Geneti…Immunology and Microbiology: 0.69× its world share, 0 worksImmunology and Micro…Computer Science: 0.54× its world share, 0 worksComputer ScienceEngineering: 1.03× its world share, 1 worksEngineeringEnvironmental Science: 10.13× its world share, 4 worksEnvironmental ScienceHealth Professions: 0.32× its world share, 0 worksHealth ProfessionsMedicine: 0.32× its world share, 0 worksMedicineNursing: 4.27× its world share, 0 worksNursingEconomics, Econometrics and Finance: 0.65× its world share, 0 worksEconomics, Econometr…Psychology: 0.34× its world share, 0 worksPsychologySocial Sciences: 0.30× its world share, 0 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Environmental Science, 10.1×. Every wedge is a field page.

All 12 fields, with their numbers
  1. Environmental Science10.13×4 works
  2. Nursing4.27×0 works
  3. Biochemistry, Genetics and Molecular Biology2.09×1 works
  4. Engineering1.03×1 works
  5. Immunology and Microbiology0.69×0 works
  6. Economics, Econometrics and Finance0.65×0 works
  7. Agricultural and Biological Sciences0.59×0 works
  8. Computer Science0.54×0 works
  9. Psychology0.34×0 works
  10. Health Professions0.32×0 works
  11. Medicine0.32×0 works
  12. Social Sciences0.30×0 works

Who are the top researchers at Kelda Group (United Kingdom)?

Ranked on the quality score, Jenny Banks, Derek Wilson and Elizabeth A. Wood lead among researchers whose main affiliation is Kelda Group (United Kingdom).

  1. 1 Jenny Banks United Kingdom · #2,201,773 worldwide 631 citations · 21 works
  2. 2 Derek Wilson United Kingdom · #2,896,918 worldwide 626 citations · 26 works
  3. 3 Elizabeth A. Wood United Kingdom · #3,169,198 worldwide 264 citations · 19 works
  4. 4 Cindy L. Wallis-Lage United Kingdom · #6,282,512 worldwide 95 citations · 55 works
All ranked researchers at Kelda Group (United Kingdom)

What are the most cited papers from Kelda Group (United Kingdom)?

The most cited paper from Kelda Group (United Kingdom) is "Flocculation modelling: a review" (David N. Thomas, Simon J Judd, Neil Fawcett, 1999), with 467 citations. Next come "Composition and diversity of ammonia-oxidising bacterial communities in wastewater treatment reactors of different design treating identical wastewater" (191) and "Combination of ferric and MIEX® for the treatment of a humic rich water" (173).

Most cited papers
#PaperReleasedCitations
1 Flocculation modelling: a review David N. Thomas, Simon J Judd, Neil Fawcett · Water Research May 1999 467
2 Composition and diversity of ammonia-oxidising bacterial communities in wastewater treatment reactors of different design treating identical wastewater Arlene K. Rowan, Jason Snape, David Fearnside et al. · FEMS Microbiology Ecology Mar 2003 191
3 Combination of ferric and MIEX® for the treatment of a humic rich water David A. Fearing, Jenny Banks, Soizic Guyetand et al. · Water Research May 2004 173
4 An investigation into reservoir NOM reduction by UV photolysis and advanced oxidation processes Emma H. Goslan, F. Gurses, Jenny Banks et al. · Chemosphere 13 Jun 2006 138
5 Water-sensitive urban design: opportunities for the UK Richard Ashley, Lian Lundy, Sarah E. Ward et al. · Proceedings of the Institution of Civil Engineers - Municipal Engineer Open access Jun 2013 136
All 60 most cited papers, with filters and sorting

Which keywords describe research at Kelda Group (United Kingdom)?

By fractional works in all years, weighted toward what it does more of than the world: Water Quality, Climate Change, Wastewater Treatment, Water Treatment, Optimization, Health Effects, Microbial Ecology and Environmental Impact.

▲ 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. Climate Change15▲ 4.1×28 topics
  2. Water Quality12▲ 20×10 topics
  3. Wastewater Treatment10▲ 37×8 topics
  4. Water Treatment9▲ 51×5 topics
  5. Environmental Impact8▲ 4.3×14 topics
  6. Optimization7▲ 9.0×4 topics
  7. Health Effects6▲ 7.7×6 topics
  8. Microbial Ecology6▲ 28×3 topics
  9. Machine Learning6▲ 2.0×15 topics
  10. Sustainability6▲ 2.4×10 topics
  11. Leak Detection6▲ 155×1 topic
  12. Water Distribution Networks6▲ 155×1 topic
  13. Drinking Water6▲ 108×2 topics
  14. Disinfection By-Products5▲ 178×1 topic
  15. Genotoxicity5▲ 79×1 topic
  16. Anammox Bacteria5▲ 84×1 topic
  17. Nitrogen-Cycling Network5▲ 84×1 topic
  18. Remediation5▲ 45×2 topics
  19. Multivariate Statistical Techniques4▲ 89×1 topic
  20. Water Quality Index4▲ 89×1 topic
  21. Environmental Monitoring4▲ 9.8×5 topics
  22. Water Resources4▲ 14×3 topics
  23. Eutrophication4▲ 21×5 topics
  24. Wastewater4▲ 32×3 topics
  25. Land Use Change4▲ 9.3×3 topics
  26. Public Perception4▲ 27×2 topics
  27. Climate Change Impact4▲ 13×2 topics
  28. Microbial Processes4▲ 40×3 topics
  29. Sediment Transport4▲ 15×2 topics
  30. Toxicity3▲ 5.5×4 topics
  31. Pollution3▲ 16×3 topics
  32. Groundwater3▲ 25×4 topics
  33. Hydrological Modeling3▲ 11×2 topics
  34. Wetlands3▲ 59×2 topics
  35. Sustainable Drainage Systems3▲ 131×1 topic
  36. Urban Stormwater Management3▲ 131×1 topic
  37. Environmental Impacts3▲ 9.5×3 topics
  38. Sustainability Assessment3▲ 20×2 topics
  39. Life Cycle Assessment3▲ 11×2 topics
  40. Wastewater Reuse3▲ 116×1 topic

Which research topics does Kelda Group (United Kingdom) publish most on?

By volume in 2022-now: Fish Ecology and Management Studies, Water Treatment and Disinfection, Environmental DNA in Biodiversity Studies and Identification and Quantification in Food.

Fish Ecology and Managem…0Fish Ecology and Management Studies: 0 fractional worksWater Treatment and Disi…0Water Treatment and Disinfection: 0 fractional worksEnvironmental DNA in Bio…0Environmental DNA in Biodiversity Studies: 0 fractional worksIdentification and Quant…0Identification and Quantification in Food: 0 fractional worksWater Systems and Optimization: 0 fractional worksFish biology, ecology, and behavior: 0 fractional worksMicrobial Community Ecol…0Microbial Community Ecology and Physiology: 0 fractional worksInformation and Cyber Security: 0 fractional worksWater Governance and Infrastructure: 0 fractional worksUrban Stormwater Management Solutions: 0 fractional works
Nature and Landscape ConservationHealth, Toxicology and MutagenesisEcologyMolecular Biology4 others

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

  1. 1 Fish Ecology and Management Studies Nature and Landscape Conservation 0 works
  2. 2 Water Treatment and Disinfection Health, Toxicology and Mutagenesis 0 works
  3. 3 Environmental DNA in Biodiversity Studies Ecology 0 works
  4. 4 Identification and Quantification in Food Molecular Biology 0 works
  5. 5 Water Systems and Optimization Civil and Structural Engineering 0 works
  6. 6 Fish biology, ecology, and behavior Nature and Landscape Conservation 0 works
  7. 7 Microbial Community Ecology and Physiology Ecology 0 works
  8. 8 Information and Cyber Security Information Systems 0 works
  9. 9 Water Governance and Infrastructure Political Science and International Relations 0 works
  10. 10 Urban Stormwater Management Solutions Environmental Engineering 0 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 available19.4%not open80.6%

World: 40% of research is openly available.

with international co-authors11.6%domestic only88.4%

World: 18% is written across borders.

How has Kelda Group (United Kingdom)'s research output changed?

Output in 2022-2025 was 5% higher than in 2018-2021.

still counting1990200020102020
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 Kelda Group (United Kingdom) as a percentage of every work published that year, 0.000062% in 2024.

still counting0.00050%0.0010%0.0015%Kelda Group (United Kingdom)0.000015% in 202519801990200020102020

Fractional works of Kelda Group (United Kingdom) over all fractional works that year. How the balance of science has shifted.

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Kelda Group (United Kingdom) on Science Explorer

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