Science Explorer Interactive view Map
University · Chennai · India

National Institute of Ocean Technology

In research, National Institute of Ocean Technology stands highest in Physical Sciences (#8,369 of 12,888 worldwide) and Engineering (#5,394 of 6,636 worldwide), 2022–2025. Relative to its size it is most specialised in Oceanography, Ocean Engineering and Earth and Planetary Sciences — Oceanography is 29.7× its share of world research.

niot.res.inROR OpenAlex
World rank, 2022–2025
#15,761
of 28,054 · #21,505 all time
Rank in India
#1,068
of 1,840
Research works
798
▲ 56% vs 2013–17
Citations
9.2k
11.6 per fractional work
Top-10% rate
10.7%
record average 16.5%
Open access
24%
world 28%

What is National Institute of Ocean Technology known for in research?

The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Physical SciencesDomain #8,369 of 12,888 10.2%225 #12179
EngineeringField #5,394 of 6,636 10.2%88 #7946

Each strip is that field’s whole ranked pool, with the notch where National Institute of Ocean Technology 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 world mark, because the world rate differs by field (from about 6% to 21% in this record).

What does National Institute of Ocean Technology specialise in?

Where its research is concentrated relative to its size: Oceanography takes 29.7× the share of its output that it takes of world research.

  1. OceanographySubfield · 21.4 works30×
  2. Ocean EngineeringSubfield · 27.8 works21×
  3. Earth and Planetary SciencesField · 35.8 works8.9×
← less than its size predicts1×more →

Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.

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: 0.81× its world share, 10 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.54× its world share, 8 worksBiochemistry, Geneti…Immunology and Microbiology: 0.42× its world share, 1 worksImmunology and Micro…Neuroscience: 0.16× its world share, 1 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.33× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 1.10× its world share, 1 worksChemical EngineeringChemistry: 0.30× its world share, 1 worksChemistryComputer Science: 1.34× its world share, 27 worksComputer ScienceEarth and Planetary Sciences: 8.88× its world share, 36 worksEarth and Planetary …Energy: 4.38× its world share, 10 worksEnergyEngineering: 2.28× its world share, 88 worksEngineeringEnvironmental Science: 4.02× its world share, 51 worksEnvironmental ScienceMaterials Science: 0.88× its world share, 8 worksMaterials ScienceMathematics: 0.13× its world share, 0 worksMathematicsPhysics and Astronomy: 0.25× its world share, 2 worksPhysics and AstronomyDentistry: 0.19× its world share, 0 worksDentistryHealth Professions: 0.19× its world share, 1 worksHealth ProfessionsMedicine: 0.11× its world share, 5 worksMedicineNursing: 0.89× its world share, 1 worksNursingArts and Humanities: 0.17× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 0.08× its world share, 1 worksBusiness, Management…Decision Sciences: 0.51× its world share, 1 worksDecision SciencesPsychology: 0.11× its world share, 1 worksPsychologySocial Sciences: 0.04× its world share, 1 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Earth and Planetary Sciences, 8.9×. Every wedge is a field page.

Who are the top researchers at National Institute of Ocean Technology?

Ranked on the composite score, R. Venkatesan, N. Vedachalam and M. A. Atmanand lead among researchers whose main affiliation is National Institute of Ocean Technology.

  1. 1 R. Venkatesan India · #212,677 worldwide 224 citations · 63 works
  2. 2 N. Vedachalam India · #558,284 worldwide 34 citations · 20 works
  3. 3 M. A. Atmanand India · #948,022 worldwide 43 citations · 28 works
  4. 4 R. Kirubagaran India · #999,380 worldwide 71 citations · 26 works
  5. 5 G. Latha India · #1,114,500 worldwide 39 citations · 23 works
  6. 6 G. A. Ramadass India · #1,222,172 worldwide 35 citations · 33 works
  7. 7 Purnima Jalihal India · #1,402,124 worldwide 23 citations · 17 works
  8. 8 S. Elango India · #1,538,792 worldwide 11 citations · 23 works
  9. 9 Gopal Dharani India · #1,608,996 worldwide 21 citations · 17 works
All ranked researchers at National Institute of Ocean Technology

Which keywords describe research at National Institute of Ocean Technology?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Climate Change, Wireless Sensor Networks, Remote Sensing, Renewable Energy, Machine Learning, Acoustic Communications, Underwater Acoustic Sensor Networks and Deep Learning.

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

Size is fractional works in 2022–2025 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 Change27▲ 3.9×31 topics
  2. Machine Learning21▲ 2.4×45 topics
  3. Deep Learning19▲ 2.1×53 topics
  4. Remote Sensing18▲ 5.7×19 topics
  5. Wireless Sensor Networks16▲ 14×11 topics
  6. Renewable Energy16▲ 4.2×16 topics
  7. Environmental Impact14▲ 3.2×20 topics
  8. Acoustic Communications10▲ 86×1 topic
  9. Underwater Acoustic Sensor Networks10▲ 86×1 topic
  10. Global Warming10▲ 9.1×6 topics
  11. IoT9▲ 9.8×9 topics
  12. Tropical Cyclones9▲ 66×2 topics
  13. Wave Modeling9▲ 70×2 topics
  14. Environmental Monitoring9▲ 9.2×8 topics
  15. Aquaculture8▲ 11×5 topics
  16. Computer Vision7▲ 10×3 topics
  17. Sediment Transport7▲ 16×5 topics
  18. Ocean Circulation7▲ 20×3 topics
  19. Sensor Networks7▲ 10×3 topics
  20. Acoustic Techniques6▲ 75×1 topic
  21. Seafloor Mapping6▲ 75×1 topic
  22. Smart Sensors6▲ 28×2 topics
  23. Data Assimilation6▲ 15×3 topics
  24. Sea-Level Rise6▲ 20×2 topics
  25. Fish Behavior Analysis6▲ 35×1 topic
  26. Water Quality Monitoring6▲ 27×1 topic
  27. Marine Environment6▲ 15×3 topics
  28. Climate Change Impact5▲ 9.2×2 topics
  29. Climate Change Impacts5▲ 17×2 topics
  30. Oceanic Modeling5▲ 62×1 topic
  31. Tidal Analysis5▲ 62×1 topic
  32. Cloud Computing5▲ 6.8×6 topics
  33. Reliability Assessment5▲ 43×2 topics
  34. Maritime Transportation5▲ 35×2 topics
  35. Ocean Waves5▲ 84×1 topic
  36. Sea Level Rise5▲ 15×3 topics
  37. Wind Stress5▲ 84×1 topic
  38. Oil and Gas5▲ 47×2 topics
  39. Hurricanes4▲ 53×1 topic
  40. Storm Surge4▲ 53×1 topic

Which research topics does National Institute of Ocean Technology publish most on?

By volume in 2022–2025: Underwater Vehicles and Communication Systems, Underwater Acoustics Research, Water Quality Monitoring Technologies and Oceanographic and Atmospheric Processes.

Underwater Vehicles and …10Underwater Vehicles and Communication Systems: 10 fractional worksUnderwater Acoustics Res…6Underwater Acoustics Research: 6 fractional worksWater Quality Monitoring…6Water Quality Monitoring Technologies: 6 fractional worksOceanographic and Atmosp…5Oceanographic and Atmospheric Processes: 5 fractional worksOcean Waves and Remote Sensing: 5 fractional worksTropical and Extratropical Cyclones Research: 4 fractional worksCoastal and Marine Dynam…4Coastal and Marine Dynamics: 4 fractional worksOffshore Engineering and Technologies: 4 fractional worksMembrane Separation Technologies: 4 fractional worksSolar-Powered Water Puri…3Solar-Powered Water Purification Methods: 3 fractional works
Ocean EngineeringOceanographyWater Science and TechnologyAtmospheric Science2 others

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

  1. 1 Underwater Vehicles and Communication Systems Ocean Engineering 10 works
  2. 2 Underwater Acoustics Research Oceanography 6 works
  3. 3 Water Quality Monitoring Technologies Water Science and Technology 6 works
  4. 4 Oceanographic and Atmospheric Processes Oceanography 5 works
  5. 5 Ocean Waves and Remote Sensing Oceanography 5 works
  6. 6 Tropical and Extratropical Cyclones Research Atmospheric Science 4 works
  7. 7 Coastal and Marine Dynamics Earth-Surface Processes 4 works
  8. 8 Offshore Engineering and Technologies Ocean Engineering 4 works
  9. 9 Membrane Separation Technologies Water Science and Technology 4 works
  10. 10 Solar-Powered Water Purification Methods Renewable Energy, Sustainability and the Environment 3 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 available23.7%not open76.3%

World: 28% of research is openly available.

with international co-authors11.1%domestic only88.9%

World: 19% is written across borders.

How has National Institute of Ocean Technology's research output changed?

Output in 2018–2022 was 56% higher than in 2013–2017.

20002005201020152020
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 Chennai

All research institutions in Chennai

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.