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Research facility · Sofia · Bulgaria

National Institute of Geophysics, Geodesy and Geography

In research, National Institute of Geophysics, Geodesy and Geography stands highest in Physical Sciences (#11,079 of 12,888 worldwide), 2022–2025. Relative to its size it is most specialised in Geophysics and Earth and Planetary Sciences — Geophysics is 53.5× its share of world research.

niggg.bas.bg/enROR OpenAlex
World rank, 2022–2025
#22,166
of 28,054 · #29,612 all time
Rank in Bulgaria
#67
of 92
Research works
327
▲ 125% vs 2013–17
Citations
2.7k
8.3 per fractional work
Top-10% rate
8.7%
record average 16.5%
Open access
51%
world 28%

What is National Institute of Geophysics, Geodesy and Geography 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 #11,079 of 12,888 6.4%86 #16565

Each strip is that field’s whole ranked pool, with the notch where National Institute of Geophysics, Geodesy and Geography 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 Geophysics, Geodesy and Geography specialise in?

Where its research is concentrated relative to its size: Geophysics takes 53.5× the share of its output that it takes of world research.

  1. GeophysicsSubfield · 20.6 works53×
  2. Earth and Planetary SciencesField · 40.2 works23×
← 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: 0.26× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.86× its world share, 5 worksBiochemistry, Geneti…Computer Science: 0.52× its world share, 4 worksComputer ScienceEarth and Planetary Sciences: 23.27× its world share, 40 worksEarth and Planetary …Energy: 0.49× its world share, 0 worksEnergyEngineering: 0.74× its world share, 12 worksEngineeringEnvironmental Science: 4.03× its world share, 22 worksEnvironmental ScienceMaterials Science: 0.12× its world share, 0 worksMaterials ScienceMathematics: 0.19× its world share, 0 worksMathematicsPhysics and Astronomy: 2.31× its world share, 6 worksPhysics and AstronomyHealth Professions: 0.64× its world share, 2 worksHealth ProfessionsMedicine: 0.05× its world share, 1 worksMedicineNursing: 0.05× its world share, 0 worksNursingVeterinary: 0.74× its world share, 0 worksVeterinaryArts and Humanities: 0.56× its world share, 2 worksArts and HumanitiesBusiness, Management and Accounting: 0.54× its world share, 2 worksBusiness, Management…Economics, Econometrics and Finance: 1.71× its world share, 4 worksEconomics, Econometr…Social Sciences: 0.52× its world share, 7 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Earth and Planetary Sciences, 23.3×. Every wedge is a field page.

Who are the top researchers at National Institute of Geophysics, Geodesy and Geography?

Ranked on the composite score, Nikolay Dimitrov lead among researchers whose main affiliation is National Institute of Geophysics, Geodesy and Geography.

  1. 1 Nikolay Dimitrov Bulgaria · #1,283,758 worldwide 3 citations · 22 works
All ranked researchers at National Institute of Geophysics, Geodesy and Geography

Which keywords describe research at National Institute of Geophysics, Geodesy and Geography?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Remote Sensing, Climate Change, Geodetic Measurements, Ionospheric Anomalies, Seismic Electromagnetics, Holocene, Sea Level and Earthquakes.

▲ 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 Change14▲ 4.7×27 topics
  2. Remote Sensing11▲ 8.4×20 topics
  3. Geodetic Measurements9▲ 79×2 topics
  4. Ionospheric Anomalies9▲ 213×1 topic
  5. Seismic Electromagnetics9▲ 213×1 topic
  6. Holocene8▲ 59×3 topics
  7. Sea Level7▲ 69×2 topics
  8. Earthquakes7▲ 106×1 topic
  9. Subduction7▲ 83×1 topic
  10. Mediterranean6▲ 61×3 topics
  11. Sedimentation6▲ 96×2 topics
  12. Black Sea6▲ 134×1 topic
  13. paleoceanography6▲ 178×1 topic
  14. Machine Learning5▲ 1.49×9 topics
  15. Solar Wind5▲ 51×2 topics
  16. Biomineralization5▲ 70×2 topics
  17. Sustainable Development5▲ 2.8×8 topics
  18. Geomagnetic Field5▲ 198×1 topic
  19. Magnetosome Formation5▲ 198×1 topic
  20. Hydrological Modeling4▲ 17×3 topics
  21. Environmental Impact4▲ 2.2×10 topics
  22. Economic Growth4▲ 4.3×6 topics
  23. Air Quality4▲ 19×4 topics
  24. Ionosphere4▲ 59×1 topic
  25. Magnetosphere4▲ 59×1 topic
  26. Sea Level Rise3▲ 24×3 topics
  27. Citizen Science3▲ 27×3 topics
  28. Land Use Change3▲ 8.6×5 topics
  29. GRACE3▲ 50×1 topic
  30. groundwater depletion3▲ 50×1 topic
  31. Global Warming3▲ 5.9×5 topics
  32. Hyperspectral Imaging2▲ 7.8×4 topics
  33. Atmospheric Aerosols2▲ 37×1 topic
  34. Black Carbon2▲ 37×1 topic
  35. Water Resources2▲ 8.6×5 topics
  36. Agricultural Sustainability2▲ 18×3 topics
  37. Hydrological Cycle2▲ 21×2 topics
  38. Innovation Management2▲ 12×2 topics
  39. Particulate Matter2▲ 13×2 topics
  40. Earthquake Detection2▲ 96×1 topic

Which research topics does National Institute of Geophysics, Geodesy and Geography publish most on?

By volume in 2022–2025: Earthquake Detection and Analysis, earthquake and tectonic studies, Marine and environmental studies and Geomagnetism and Paleomagnetism Studies.

Earthquake Detection and…9Earthquake Detection and Analysis: 9 fractional worksearthquake and tectonic studies: 7 fractional worksMarine and environmental studies: 6 fractional worksGeomagnetism and Paleomagnetism Studies: 5 fractional worksIonosphere and magnetosphere dynamics: 4 fractional worksGeophysics and Gravity M…3Geophysics and Gravity Measurements: 3 fractional worksAtmospheric chemistry and aerosols: 2 fractional worksSeismology and Earthquake Studies: 2 fractional worksRegional Development and Management Studies: 2 fractional worksLandslides and related hazards: 2 fractional works
GeophysicsOceanographyMolecular BiologyAstronomy and Astrophysics4 others

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

  1. 1 Earthquake Detection and Analysis Geophysics 9 works
  2. 2 earthquake and tectonic studies Geophysics 7 works
  3. 3 Marine and environmental studies Oceanography 6 works
  4. 4 Geomagnetism and Paleomagnetism Studies Molecular Biology 5 works
  5. 5 Ionosphere and magnetosphere dynamics Astronomy and Astrophysics 4 works
  6. 6 Geophysics and Gravity Measurements Oceanography 3 works
  7. 7 Atmospheric chemistry and aerosols Atmospheric Science 2 works
  8. 8 Seismology and Earthquake Studies Artificial Intelligence 2 works
  9. 9 Regional Development and Management Studies Economics and Econometrics 2 works
  10. 10 Landslides and related hazards Management, Monitoring, Policy and Law 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 available51.0%not open49.0%

World: 28% of research is openly available.

with international co-authors19.9%domestic only80.1%

World: 19% is written across borders.

How has National Institute of Geophysics, Geodesy and Geography's research output changed?

Output in 2018–2022 was 125% higher than in 2013–2017.

1990200020102020
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 Sofia

All research institutions in Sofia

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.