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Company · Grevenbroich · Germany

Norsk Hydro (Germany)

In research, Norsk Hydro (Germany) stands highest in Physical Sciences (#3,010 of 10,670 worldwide), 2022-now.

hydro.com/enROR OpenAlex
World rank, 2022-now
#10,435
of 22,385 · #5,287 all time
Rank in Germany
#345
of 795
Research works
1.6k
▲ 7% vs 2018-21
Citations
34k
21.8 per fractional work
Top-10% rate
12.8%
all institutions 10.0%
vs its own fields
1.11×
1.00× is exactly expected
Open access
33%
world 40%
International
41%
world 18%
Norsk Hydro (Germany)

What is Norsk Hydro (Germany) known for in research?

The fields where it stands highest, 2022-now, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Physical SciencesDomain #3,010 of 10,670 12.6%149 #2743

Each strip is that field's whole ranked pool, with the notch where Norsk Hydro (Germany) 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 average mark, because the average differs by field (from about 6% in Dentistry to 21% in Economics).

Which fields of science does Norsk Hydro (Germany) work in?

In 2022-now, 85% of research at Norsk Hydro (Germany) is in Physical Sciences, 7% in Social Sciences. Its largest fields are Engineering (34%), Environmental Science (30%), Earth and Planetary Sciences (6%). It does 2.2× the world's share of Physical Sciences.

Physical Sciences: 187 fractional works · 85.2% of its workEngineering: 74 fractional works · 33.8% of its workMechanical Engineering: 13 fractional works · 5.8% of its workElectrical and Electronic Engineering: 11 fractional works · 5.0% of its workCivil and Structural Engineering: 10 fractional works · 4.4% of its workOcean Engineering: 9 fractional works · 3.9% of its workMechanics of Materials: 6 fractional works · 2.9% of its workControl and Systems Engineering: 5 fractional works · 2.4% of its workComputational Mechanics: 5 fractional works · 2.1% of its workBiomedical Engineering: 4 fractional works · 2.0% of its workIndustrial and Manufacturing Engineering: 4 fractional works · 1.7% of its workSafety, Risk, Reliability and Quality: 3 fractional works · 1.3% of its workAerospace Engineering: 2 fractional works · 0.9% of its workBuilding and Construction: 2 fractional works · 0.7% of its workAutomotive Engineering: 1 fractional works · 0.6% of its workEnvironmental Science: 66 fractional works · 30.1% of its workGlobal and Planetary Change: 19 fractional works · 8.8% of its workWater Science and Technology: 12 fractional works · 5.6% of its workEnvironmental Engineering: 10 fractional works · 4.8% of its workEcology: 9 fractional works · 4.3% of its workEnvironmental Chemistry: 3 fractional works · 1.4% of its workNature and Landscape Conservation: 3 fractional works · 1.3% of its workIndustrial and Manufacturing Engineering: 3 fractional works · 1.2% of its workManagement, Monitoring, Policy and Law: 2 fractional works · 1.1% of its workPollution: 2 fractional works · 1.1% of its workHealth, Toxicology and Mutagenesis: 1 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.2% of its workEarth and Planetary Sciences: 14 fractional works · 6.3% of its workAtmospheric Science: 6 fractional works · 2.8% of its workOceanography: 2 fractional works · 1.1% of its workEarth-Surface Processes: 1 fractional works · 0.6% of its workGeology: 1 fractional works · 0.5% of its workGeochemistry and Petrology: 1 fractional works · 0.5% of its workGeophysics: 1 fractional works · 0.5% of its workPaleontology: 1 fractional works · 0.3% of its workEnergy: 10 fractional works · 4.5% of its workRenewable Energy, Sustainability and the Environment: 8 fractional works · 3.5% of its workEnergy Engineering and Power Technology: 1 fractional works · 0.5% of its workGeneral Energy: 1 fractional works · 0.5% of its workSmaller subfields together: 0 fractional works · 0.1% of its workMaterials Science: 8 fractional works · 3.7% of its workMaterials Chemistry: 6 fractional works · 2.7% of its workBiomaterials: 1 fractional works · 0.5% of its workElectronic, Optical and Magnetic Materials: 1 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.1% of its workComputer Science: 7 fractional works · 3.1% of its workArtificial Intelligence: 3 fractional works · 1.5% of its workInformation Systems: 1 fractional works · 0.6% of its workHuman-Computer Interaction: 1 fractional works · 0.3% of its workComputer Vision and Pattern Recognition: 1 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.4% of its workChemistry: 3 fractional works · 1.4% of its workInorganic Chemistry: 1 fractional works · 0.6% of its workOrganic Chemistry: 1 fractional works · 0.4% of its workElectrochemistry: 1 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workChemical Engineering: 3 fractional works · 1.4% of its workCatalysis: 2 fractional works · 0.9% of its workFluid Flow and Transfer Processes: 1 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.1% of its workPhysics and Astronomy: 1 fractional works · 0.6% of its workAtomic and Molecular Physics, and Optics: 1 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.4% of its workMathematics: 0 fractional works · 0.2% of its workSocial Sciences: 15 fractional works · 6.8% of its workSocial Sciences: 7 fractional works · 3.2% of its workSociology and Political Science: 2 fractional works · 0.9% of its workEducation: 2 fractional works · 0.9% of its workGeography, Planning and Development: 1 fractional works · 0.5% of its workDemography: 1 fractional works · 0.3% of its workPolitical Science and International Relations: 1 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.4% of its workDecision Sciences: 4 fractional works · 1.8% of its workManagement Science and Operations Research: 3 fractional works · 1.5% of its workSmaller subfields together: 1 fractional works · 0.3% of its workPsychology: 2 fractional works · 0.7% of its workExperimental and Cognitive Psychology: 1 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.4% of its workBusiness, Management and Accounting: 1 fractional works · 0.6% of its workStrategy and Management: 1 fractional works · 0.3% of its workManagement Information Systems: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workEconomics, Econometrics and Finance: 1 fractional works · 0.3% of its workArts and Humanities: 0 fractional works · 0.2% of its workPhilosophy: 0 fractional works · 0.2% of its workLife Sciences: 12 fractional works · 5.7% of its workAgricultural and Biological Sciences: 10 fractional works · 4.6% of its workPlant Science: 2 fractional works · 1.1% of its workSoil Science: 2 fractional works · 1.0% of its workAquatic Science: 2 fractional works · 1.0% of its workEcology, Evolution, Behavior and Systematics: 2 fractional works · 1.0% of its workGeneral Agricultural and Biological Sciences: 1 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.3% of its workBiochemistry, Genetics and Molecular Biology: 2 fractional works · 0.7% of its workBiochemistry: 1 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.4% of its workNeuroscience: 1 fractional works · 0.3% of its workEndocrine and Autonomic Systems: 1 fractional works · 0.3% of its workImmunology and Microbiology: 0 fractional works · 0.1% of its workHealth Sciences: 5 fractional works · 2.3% of its workMedicine: 4 fractional works · 1.6% of its workPediatrics, Perinatology and Child Health: 1 fractional works · 0.3% of its workInfectious Diseases: 0 fractional works · 0.2% of its workSmaller subfields together: 2 fractional works · 1.1% of its workHealth Professions: 1 fractional works · 0.7% of its workSpeech and Hearing: 1 fractional works · 0.3% of its workGeneral Health Professions: 1 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workALL ITS WORKNorsk Hydro(Germany)220fractional works, 2022-now
Life Sciences6%Physical Sciences85%Health Sciences2%Social Sciences7%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in 2022-now. 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. Engineering7433.8%
    2. Environmental Science6630.1%
    3. Earth and Planetary Sciences146.3%
    4. Energy104.5%
    5. Materials Science83.7%
    6. Computer Science73.1%
    7. Chemistry31.4%
    8. Chemical Engineering31.4%
    9. Physics and Astronomy10.6%
    10. Mathematics00.2%
    1. Social Sciences73.2%
    2. Decision Sciences41.8%
    3. Psychology20.7%
    4. Business, Management and Accounting10.6%
    5. Economics, Econometrics and Finance10.3%
    6. Arts and Humanities00.2%
    1. Agricultural and Biological Sciences104.6%
    2. Biochemistry, Genetics and Molecular Biology20.7%
    3. Neuroscience10.3%
    4. Immunology and Microbiology00.1%
    5. Pharmacology, Toxicology and Pharmaceutics00.0%
    1. Medicine41.6%
    2. Health Professions10.7%
    3. Nursing00.0%
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: 0.97× its world share, 10 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.13× its world share, 2 worksBiochemistry, Geneti…Immunology and Microbiology: 0.06× its world share, 0 worksImmunology and Micro…Neuroscience: 0.19× its world share, 1 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.06× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 4.03× its world share, 3 worksChemical EngineeringChemistry: 0.92× its world share, 3 worksChemistryComputer Science: 0.39× its world share, 7 worksComputer ScienceEarth and Planetary Sciences: 4.04× its world share, 14 worksEarth and Planetary …Energy: 4.87× its world share, 10 worksEnergyEngineering: 2.26× its world share, 74 worksEngineeringEnvironmental Science: 6.05× its world share, 66 worksEnvironmental ScienceMaterials Science: 1.07× its world share, 8 worksMaterials ScienceMathematics: 0.17× its world share, 0 worksMathematicsPhysics and Astronomy: 0.29× its world share, 1 worksPhysics and AstronomyHealth Professions: 0.25× its world share, 2 worksHealth ProfessionsMedicine: 0.08× its world share, 4 worksMedicineNursing: 0.04× its world share, 0 worksNursingArts and Humanities: 0.08× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.19× its world share, 1 worksBusiness, Management…Decision Sciences: 1.84× its world share, 4 worksDecision SciencesEconomics, Econometrics and Finance: 0.12× its world share, 1 worksEconomics, Econometr…Psychology: 0.22× its world share, 2 worksPsychologySocial Sciences: 0.26× its world share, 7 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Environmental Science, 6.0×. Every wedge is a field page.

All 24 fields, with their numbers
  1. Environmental Science6.05×66 works
  2. Energy4.87×10 works
  3. Earth and Planetary Sciences4.04×14 works
  4. Chemical Engineering4.03×3 works
  5. Engineering2.26×74 works
  6. Decision Sciences1.84×4 works
  7. Materials Science1.07×8 works
  8. Agricultural and Biological Sciences0.97×10 works
  9. Chemistry0.92×3 works
  10. Computer Science0.39×7 works
  11. Physics and Astronomy0.29×1 works
  12. Social Sciences0.26×7 works
  13. Health Professions0.25×2 works
  14. Psychology0.22×2 works
  15. Neuroscience0.19×1 works
  16. Business, Management and Accounting0.19×1 works
  17. Mathematics0.17×0 works
  18. Biochemistry, Genetics and Molecular Biology0.13×2 works
  19. Economics, Econometrics and Finance0.12×1 works
  20. Medicine0.08×4 works
  21. Arts and Humanities0.08×0 works
  22. Immunology and Microbiology0.06×0 works
  23. Pharmacology, Toxicology and Pharmaceutics0.06×0 works
  24. Nursing0.04×0 works

Who are the top researchers at Norsk Hydro (Germany)?

Ranked on the quality score, Olaf Engler, Hermann Kuhlmann and Carmen Schäfer lead among researchers whose main affiliation is Norsk Hydro (Germany).

  1. 1 Olaf Engler Germany · #656,743 worldwide 9.1k citations · 257 works
  2. 2 Hermann Kuhlmann Germany · #1,530,029 worldwide 2.8k citations · 49 works
  3. 3 Carmen Schäfer Germany · #1,744,553 worldwide 564 citations · 33 works
  4. 4 Ø. Bøe Germany · #1,882,540 worldwide 964 citations · 17 works
  5. 5 Henk-Jan Brinkman Germany · #2,094,348 worldwide 960 citations · 23 works
  6. 6 Holger Aretz Germany · #2,113,799 worldwide 2.4k citations · 52 works
  7. 7 Jürgen Hirsch Germany · #2,166,469 worldwide 5.7k citations · 143 works
  8. 8 John A. Rupert-Jones Germany · #2,207,916 worldwide 0 citations · 172 works
  9. 9 Georg Rombach Germany · #2,577,202 worldwide 318 citations · 27 works
  10. 10 Helge Hove Haldorsen Germany · #2,610,661 worldwide 1.2k citations · 35 works
All ranked researchers at Norsk Hydro (Germany)

What are the most cited papers from Norsk Hydro (Germany)?

The most cited paper from Norsk Hydro (Germany) is "Chapter 4 Preparation of Isolated Rat Liver Cells" (Per O. Seglen, 1976), with 5,348 citations. Next come "Atmospheric Aerosols: Composition, Transformation, Climate and Health Effects" (2,710) and "Superior light metals by texture engineering: Optimized aluminum and magnesium alloys for automotive applications" (1,247).

Most cited papers
#PaperReleasedCitations
1 Chapter 4 Preparation of Isolated Rat Liver Cells Per O. Seglen · Methods in cell biology Book chapter 1976 5,348
2 Atmospheric Aerosols: Composition, Transformation, Climate and Health Effects Ulrich Pöschl · Angewandte Chemie International Edition 21 Nov 2005 2,710
3 Superior light metals by texture engineering: Optimized aluminum and magnesium alloys for automotive applications Jürgen Hirsch, Talal Al‐Samman · Acta Materialia 18 Jan 2013 1,247
4 Schwertmannite and the chemical modeling of iron in acid sulfate waters Jerry Marshal Bigham, Udo Schwertmann, Samuel J. Traina et al. · Geochimica et Cosmochimica Acta Jun 1996 1,061
5 Global predictions of primary soil salinization under changing climate in the 21st century Amirhossein Hassani, Adisa Azapagic, Nima Shokri · Nature Communications Open access 18 Nov 2021 1,033
All 60 most cited papers, with filters and sorting

Which keywords describe research at Norsk Hydro (Germany)?

By fractional works in 2022-now, weighted toward what it does more of than the world: Climate Change, Hydrological Modeling, Remote Sensing, Sustainability, Sediment Transport, Water Resources, Global Warming and Land Use Change.

▲ 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-now 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 Change43▲ 7.3×57 topics
  2. Sustainability19▲ 3.5×36 topics
  3. Remote Sensing18▲ 6.6×28 topics
  4. Hydrological Modeling17▲ 32×5 topics
  5. Sediment Transport12▲ 34×6 topics
  6. Renewable Energy12▲ 3.7×33 topics
  7. Machine Learning11▲ 1.56×21 topics
  8. Water Resources11▲ 21×7 topics
  9. Global Warming11▲ 11×9 topics
  10. Land Use Change10▲ 15×6 topics
  11. Environmental Impact9▲ 2.4×38 topics
  12. Model Evaluation8▲ 29×2 topics
  13. Global Hydrology8▲ 54×1 topic
  14. Uncertainty Assessment8▲ 54×1 topic
  15. Water Quality7▲ 7.8×10 topics
  16. Risk Perception6▲ 11×4 topics
  17. Internet of Things6▲ 3.3×6 topics
  18. Satellite Imagery6▲ 21×2 topics
  19. Flood Risk6▲ 34×1 topic
  20. Surface Water Mapping6▲ 36×1 topic
  21. Vibration Analysis6▲ 10×7 topics
  22. Optimization6▲ 6.0×8 topics
  23. Supply Chain Management6▲ 3.0×5 topics
  24. Energy Storage5▲ 3.7×10 topics
  25. Greenhouse Gas Emissions5▲ 8.4×6 topics
  26. Data Assimilation5▲ 14×4 topics
  27. Drought5▲ 22×3 topics
  28. Evapotranspiration5▲ 26×2 topics
  29. Extreme Events5▲ 23×2 topics
  30. Ocean Circulation5▲ 15×3 topics
  31. Cyber-Physical Systems4▲ 7.7×4 topics
  32. Hydrological Cycle4▲ 20×2 topics
  33. Fault Diagnosis4▲ 13×3 topics
  34. Climate Modeling4▲ 25×1 topic
  35. Precipitation Extremes4▲ 25×1 topic
  36. Digital Twin4▲ 13×2 topics
  37. Catalysts4▲ 8.7×3 topics
  38. Ensemble Kalman Filter4▲ 17×2 topics
  39. Monitoring4▲ 19×4 topics
  40. Actuators4▲ 10×3 topics

Which research topics does Norsk Hydro (Germany) publish most on?

By volume in 2022-now: Hydrology and Watershed Management Studies, Flood Risk Assessment and Management, Climate variability and models and Hydraulic and Pneumatic Systems.

Hydrology and Watershed …8Hydrology and Watershed Management Studies: 8 fractional worksFlood Risk Assessment and Management: 6 fractional worksClimate variability and models: 4 fractional worksHydraulic and Pneumatic Systems: 3 fractional worksMachine Fault Diagnosis Techniques: 3 fractional worksDigital Transformation in Industry: 3 fractional worksHydrology and Sediment T…3Hydrology and Sediment Transport Processes: 3 fractional worksHydrology and Drought Analysis: 3 fractional worksGroundwater flow and contamination studies: 2 fractional worksElectrocatalysts for Energy Conversion: 2 fractional works
Water Science and TechnologyGlobal and Planetary ChangeMechanical EngineeringControl and Systems Engineering4 others

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

  1. 1 Hydrology and Watershed Management Studies Water Science and Technology 8 works
  2. 2 Flood Risk Assessment and Management Global and Planetary Change 6 works
  3. 3 Climate variability and models Global and Planetary Change 4 works
  4. 4 Hydraulic and Pneumatic Systems Mechanical Engineering 3 works
  5. 5 Machine Fault Diagnosis Techniques Control and Systems Engineering 3 works
  6. 6 Digital Transformation in Industry Industrial and Manufacturing Engineering 3 works
  7. 7 Hydrology and Sediment Transport Processes Ecology 3 works
  8. 8 Hydrology and Drought Analysis Global and Planetary Change 3 works
  9. 9 Groundwater flow and contamination studies Environmental Engineering 2 works
  10. 10 Electrocatalysts for Energy Conversion Renewable Energy, Sustainability and the Environment 2 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 available32.6%not open67.4%

World: 40% of research is openly available.

with international co-authors41.0%domestic only59.0%

World: 18% is written across borders.

How has Norsk Hydro (Germany)'s research output changed?

Output in 2022-2025 was 7% 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 Norsk Hydro (Germany) as a percentage of every work published that year, 0.0011% in 2024.

still counting0.0020%0.0040%0.0060%Norsk Hydro (Germany)0.00083% in 202519801990200020102020

Fractional works of Norsk Hydro (Germany) 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, against all institutions in the same year.

still counting10%20%Norsk Hydro (Germany)18.4% in 2025all institutions10.0% in 2025200020102020

Of each year's output, the share that reached the world's 10% most cited for its field and year. Peak 19.0% in 1998.

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Norsk Hydro (Germany) on Science Explorer

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