National Institute of Meteorology and Hydrology
In research, National Institute of Meteorology and Hydrology stands highest in Physical Sciences (#11,154 of 12,888 worldwide), 2022–2025. Relative to its size it is most specialised in Global and Planetary Change and Environmental Science — Global and Planetary Change is 43.6× its share of world research.
- World rank, 2022–2025
- #22,930 of 28,054 · #19,920 all time
- Rank in Bulgaria
- #71 of 92
- Research works
- 371 ▲ 84% vs 2013–17
- Citations
- 3.4k 9.1 per fractional work
- Top-10% rate
- 3.3% record average 16.5%
- Open access
- 27% world 28%
What is National Institute of Meteorology and Hydrology known for in research?
The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.
| Field | World rank | Where that sits | Top-10% rate | Works | All time |
|---|---|---|---|---|---|
| Physical SciencesDomain | #11,154 of 12,888 | 2.6% | 67 | #10911 |
Each strip is that field’s whole ranked pool, with the notch where National Institute of Meteorology and Hydrology 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 Meteorology and Hydrology specialise in?
Where its research is concentrated relative to its size: Global and Planetary Change takes 43.6× the share of its output that it takes of world research.
- Global and Planetary ChangeSubfield · 25.5 works44×
- Environmental ScienceField · 42.0 works11×
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.
Rings at 0.5×, 1× and 2×. Widest outward: Earth and Planetary Sciences, 16.5×. Every wedge is a field page.
- Earth and Planetary Sciences 16.5×
- Environmental Science 11.0×
- Veterinary 3.2×
- Agricultural and Biological Sciences 2.2×
- Physics and Astronomy 0.7×
- Energy 0.5×
- Engineering 0.3×
- Economics, Econometrics and Finance 0.2×
- Health Professions 0.2×
- Computer Science 0.1×
- Biochemistry, Genetics and Molecular Biology 0.1×
- Materials Science 0.0×
- Social Sciences 0.0×
- Medicine 0.0×
Who are the top researchers at National Institute of Meteorology and Hydrology?
Ranked on the composite score, Ekaterina Batchvarova, Dimiter Syrakov and S. Panchev lead among researchers whose main affiliation is National Institute of Meteorology and Hydrology.
- 1 Ekaterina Batchvarova Bulgaria · #752,621 worldwide 167 citations · 44 works
- 2 Dimiter Syrakov Bulgaria · #1,346,408 worldwide 41 citations · 30 works
- 3 S. Panchev Bulgaria · #1,438,790 worldwide 15 citations · 21 works
- 4 Maria Prodanova Bulgaria · #1,546,158 worldwide 17 citations · 24 works
Which keywords describe research at National Institute of Meteorology and Hydrology?
By fractional works in 2022–2025, weighted toward what it does more of than the world: Climate Change, Global Warming, Remote Sensing, Hydrological Cycle, Extreme Events, Ocean Circulation, Climate Modeling and Precipitation Extremes.
- Tree Mortality
- Hydrology
- Forecasting
- Atmospheric Aerosols
- Surface Water Mapping
- Hydrological
- Satellite Observations
- Global Hydrology
- Air Pollution
- Mortality
- Sediment Transport
- Air Quality
- Drought
- Ensemble Kalman Filter
- Probabilistic Forecasting
- Boundary Layer
- Precipitation Extremes
- Ocean Circulation
- Hydrological Cycle
- Global Warming
- Climate Change
- Remote Sensing
- Extreme Events
- Climate Modeling
- Hydrological Modeling
- Data Assimilation
- Convective Parameterization
- Water Resources
- Evapotranspiration
- Particulate Matter
- Health Effects
- Land Use Change
- Global Burden of Disease
- Model Evaluation
- Flood Risk
- Monitoring
- Ecosystem Resilience
- Black Carbon
- Sea Level Rise
- Carbon Balance
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
- Climate Change38▲ 18×33 topics
- Global Warming17▲ 53×8 topics
- Remote Sensing15▲ 15×11 topics
- Hydrological Cycle13▲ 179×2 topics
- Extreme Events12▲ 176×2 topics
- Ocean Circulation12▲ 118×3 topics
- Climate Modeling11▲ 207×1 topic
- Precipitation Extremes11▲ 207×1 topic
- Hydrological Modeling10▲ 56×5 topics
- Boundary Layer9▲ 97×2 topics
- Data Assimilation9▲ 75×3 topics
- Probabilistic Forecasting9▲ 58×2 topics
- Convective Parameterization8▲ 202×1 topic
- Ensemble Kalman Filter8▲ 108×1 topic
- Water Resources6▲ 33×6 topics
- Drought6▲ 85×3 topics
- Evapotranspiration6▲ 100×2 topics
- Air Quality6▲ 39×3 topics
- Particulate Matter5▲ 45×2 topics
- Sediment Transport5▲ 37×3 topics
- Health Effects4▲ 9.7×3 topics
- Mortality4▲ 9.5×2 topics
- Land Use Change4▲ 17×2 topics
- Air Pollution4▲ 40×1 topic
- Global Burden of Disease4▲ 20×1 topic
- Global Hydrology4▲ 74×1 topic
- Model Evaluation4▲ 39×1 topic
- Satellite Observations4▲ 48×3 topics
- Flood Risk4▲ 58×1 topic
- Hydrological4▲ 144×1 topic
- Monitoring4▲ 48×1 topic
- Surface Water Mapping4▲ 61×1 topic
- Ecosystem Resilience3▲ 31×2 topics
- Atmospheric Aerosols3▲ 67×1 topic
- Black Carbon3▲ 67×1 topic
- Forecasting3▲ 19×3 topics
- Sea Level Rise3▲ 28×3 topics
- Hydrology3▲ 26×3 topics
- Carbon Balance2▲ 70×1 topic
- Tree Mortality2▲ 70×1 topic
Which research topics does National Institute of Meteorology and Hydrology publish most on?
By volume in 2022–2025: Climate variability and models, Meteorological Phenomena and Simulations, Air Quality and Health Impacts and Hydrology and Watershed Management Studies.
Area is fractional works; colour is the subfield each topic belongs to.
- 1 Climate variability and models Global and Planetary Change 11 works
- 2 Meteorological Phenomena and Simulations Atmospheric Science 8 works
- 3 Air Quality and Health Impacts Health, Toxicology and Mutagenesis 4 works
- 4 Hydrology and Watershed Management Studies Water Science and Technology 4 works
- 5 Hydrology and Drought Analysis Global and Planetary Change 4 works
- 6 Flood Risk Assessment and Management Global and Planetary Change 4 works
- 7 Atmospheric chemistry and aerosols Atmospheric Science 3 works
- 8 Plant Water Relations and Carbon Dynamics Global and Planetary Change 2 works
- 9 Atmospheric aerosols and clouds Global and Planetary Change 2 works
- 10 Plant Physiology and Cultivation Studies Plant Science 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.
World: 28% of research is openly available.
World: 19% is written across borders.
How has National Institute of Meteorology and Hydrology's research output changed?
Output in 2018–2022 was 84% higher than in 2013–2017.
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
- Bulgarian Academy of Sciences
- Sofia University "St. Kliment Ohridski"
- Technical University of Sofia
- Medical University of Sofia
- Institute of Chemical Engineering
- Institute for Literature
- Institute of Mathematics and Informatics
- Georgi Nadjakov Institute of Solid State Physics
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.