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Government institution · Tianjin · ??

National Marine Data and Information Service

In research, National Marine Data and Information Service stands highest in Physical Sciences (#16,508 of 21,541 worldwide), over all time. Relative to its size it is most specialised in Earth and Planetary Sciences — Earth and Planetary Sciences is 26.8× its share of world research.

nmdis.org.cnROR OpenAlex
World rank, 2022–2025
#18,829
of 28,054 · #30,886 all time
Rank in ??
#386
of 692
Research works
209
▲ 28% vs 2013–17
Citations
2k
9.5 per fractional work
Top-10% rate
21.6%
record average 16.5%
Open access
35%
world 28%

What is National Marine Data and Information Service known for in research?

The fields where it stands highest, over all time, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorks
Physical SciencesDomain #16,508 of 21,541 13.2%189

Each strip is that field’s whole ranked pool, with the notch where National Marine Data and Information Service 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 Marine Data and Information Service specialise in?

Where its research is concentrated relative to its size: Earth and Planetary Sciences takes 26.8× the share of its output that it takes of world research.

  1. Earth and Planetary SciencesField · 25.9 works27×
← 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: 0.08× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.01× its world share, 0 worksBiochemistry, Geneti…Chemical Engineering: 0.31× its world share, 0 worksChemical EngineeringComputer Science: 0.80× its world share, 4 worksComputer ScienceEarth and Planetary Sciences: 26.82× its world share, 26 worksEarth and Planetary …Engineering: 0.78× its world share, 7 worksEngineeringEnvironmental Science: 6.58× its world share, 20 worksEnvironmental ScienceMaterials Science: 0.10× its world share, 0 worksMaterials SciencePhysics and Astronomy: 0.22× its world share, 0 worksPhysics and AstronomyMedicine: 0.01× its world share, 0 worksMedicineArts and Humanities: 0.04× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.12× its world share, 0 worksBusiness, Management…Decision Sciences: 1.21× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 1.01× its world share, 1 worksEconomics, Econometr…Social Sciences: 0.14× 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, 26.8×. Every wedge is a field page.

Who are the top researchers at National Marine Data and Information Service?

Ranked on the composite score, Long He lead among researchers whose main affiliation is National Marine Data and Information Service.

  1. 1 Long He ?? · #914,231 worldwide 16 citations · 16 works
All ranked researchers at National Marine Data and Information Service

Which keywords describe research at National Marine Data and Information Service?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Climate Change, Ocean Circulation, Data Assimilation, Global Warming, Tropical Cyclones, Climate Change Impact, Oceanic Modeling and Tidal Analysis.

▲ 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 Change17▲ 10×28 topics
  2. Ocean Circulation11▲ 141×3 topics
  3. Data Assimilation8▲ 87×4 topics
  4. Global Warming8▲ 33×4 topics
  5. Climate Change Impact7▲ 50×2 topics
  6. Tropical Cyclones7▲ 204×2 topics
  7. Oceanic Modeling7▲ 337×1 topic
  8. Tidal Analysis7▲ 337×1 topic
  9. Remote Sensing6▲ 7.3×16 topics
  10. Wave Modeling5▲ 146×2 topics
  11. Machine Learning4▲ 2.1×8 topics
  12. Ocean Waves4▲ 283×1 topic
  13. Wind Stress4▲ 283×1 topic
  14. Sea Level Rise4▲ 49×3 topics
  15. Greenhouse Gas Emissions4▲ 22×3 topics
  16. Ecosystem-Based Management4▲ 186×1 topic
  17. Marine Spatial Planning4▲ 186×1 topic
  18. Sustainability3▲ 2.2×9 topics
  19. Hydrological Cycle3▲ 54×2 topics
  20. Climate Modeling3▲ 72×1 topic
  21. Extreme Events3▲ 59×1 topic
  22. Hurricanes3▲ 150×1 topic
  23. Storm Surge3▲ 150×1 topic
  24. Environmental Impact3▲ 2.8×9 topics
  25. Ecosystem Services3▲ 11×4 topics
  26. Land Use Change2▲ 14×5 topics
  27. Probabilistic Forecasting2▲ 20×3 topics
  28. Wavelet Analysis2▲ 71×2 topics
  29. Eutrophication2▲ 36×2 topics
  30. Dissolved Organic Matter2▲ 81×1 topic
  31. Harmful Algal Blooms2▲ 44×1 topic
  32. Nutrient Limitation2▲ 33×2 topics
  33. Ocean Acidification2▲ 47×3 topics
  34. Fisheries Sustainability2▲ 36×2 topics
  35. Ecosystem Management2▲ 51×1 topic
  36. Marine Fisheries2▲ 73×1 topic
  37. Urbanization2▲ 7.6×4 topics
  38. Biodiversity Conservation2▲ 7.9×4 topics
  39. Maritime Transportation2▲ 55×2 topics
  40. Data Integration2▲ 16×3 topics

Which research topics does National Marine Data and Information Service publish most on?

By volume in 2022–2025: Oceanographic and Atmospheric Processes, Ocean Waves and Remote Sensing, Coastal and Marine Management and Climate variability and models.

Oceanographic and Atmosp…7Oceanographic and Atmospheric Processes: 7 fractional worksOcean Waves and Remote Sensing: 4 fractional worksCoastal and Marine Manag…4Coastal and Marine Management: 4 fractional worksClimate variability and …3Climate variability and models: 3 fractional worksTropical and Extratropical Cyclones Research: 3 fractional worksMarine and coastal ecosystems: 2 fractional worksMarine and fisheries res…2Marine and fisheries research: 2 fractional worksMaritime Navigation and Safety: 2 fractional worksAdvanced Computational Techniques and Applications: 1 fractional worksMeteorological Phenomena and Simulations: 1 fractional works
OceanographyManagement, Monitoring, Policy and LawGlobal and Planetary ChangeAtmospheric Science2 others

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

  1. 1 Oceanographic and Atmospheric Processes Oceanography 7 works
  2. 2 Ocean Waves and Remote Sensing Oceanography 4 works
  3. 3 Coastal and Marine Management Management, Monitoring, Policy and Law 4 works
  4. 4 Climate variability and models Global and Planetary Change 3 works
  5. 5 Tropical and Extratropical Cyclones Research Atmospheric Science 3 works
  6. 6 Marine and coastal ecosystems Oceanography 2 works
  7. 7 Marine and fisheries research Global and Planetary Change 2 works
  8. 8 Maritime Navigation and Safety Ocean Engineering 2 works
  9. 9 Advanced Computational Techniques and Applications Artificial Intelligence 1 works
  10. 10 Meteorological Phenomena and Simulations Atmospheric Science 1 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 available34.6%not open65.4%

World: 28% of research is openly available.

with international co-authors13.2%domestic only86.8%

World: 19% is written across borders.

How has National Marine Data and Information Service's research output changed?

Output in 2018–2022 was 28% 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 Tianjin

All research institutions in Tianjin

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.