Science Explorer Interactive view Map
Research facility · Changchun · China

Changchun Observatory

In research, Changchun Observatory stands highest in Physical Sciences (#8,096 of 12,888 worldwide), 2022–2025.

cho.cas.cnROR OpenAlex
World rank, 2022–2025
#12,128
of 28,054 · #25,593 all time
Rank in China
#2,110
of 3,058
Research works
383
▲ 24% vs 2013–17
Citations
2k
5.1 per fractional work
Top-10% rate
22.9%
record average 16.5%
Open access
26%
world 28%

What is Changchun Observatory 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 #8,096 of 12,888 21.4%83 #15566

Each strip is that field’s whole ranked pool, with the notch where Changchun Observatory 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).

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: 1.88× its world share, 10 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.66× its world share, 4 worksBiochemistry, Geneti…Immunology and Microbiology: 0.98× its world share, 1 worksImmunology and Micro…Neuroscience: 0.80× its world share, 1 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.43× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 0.11× its world share, 0 worksChemical EngineeringChemistry: 0.47× its world share, 1 worksChemistryComputer Science: 1.12× its world share, 10 worksComputer ScienceEarth and Planetary Sciences: 8.91× its world share, 15 worksEarth and Planetary …Energy: 0.68× its world share, 1 worksEnergyEngineering: 1.73× its world share, 28 worksEngineeringEnvironmental Science: 3.15× its world share, 17 worksEnvironmental ScienceMaterials Science: 0.51× its world share, 2 worksMaterials ScienceMathematics: 0.28× its world share, 0 worksMathematicsPhysics and Astronomy: 3.37× its world share, 8 worksPhysics and AstronomyHealth Professions: 0.14× its world share, 0 worksHealth ProfessionsMedicine: 0.17× its world share, 4 worksMedicineNursing: 1.00× its world share, 0 worksNursingArts and Humanities: 0.20× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 0.37× its world share, 1 worksBusiness, Management…Decision Sciences: 0.59× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 0.35× its world share, 1 worksEconomics, Econometr…Psychology: 0.18× its world share, 1 worksPsychologySocial Sciences: 0.16× its world share, 2 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 Changchun Observatory?

Ranked on the composite score, Zhenwei Li lead among researchers whose main affiliation is Changchun Observatory.

  1. 1 Zhenwei Li China · #1,540,175 worldwide 11 citations · 15 works
All ranked researchers at Changchun Observatory

Which keywords describe research at Changchun Observatory?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Climate Change, Remote Sensing, Plate Tectonics, Tomography, Deep Learning, Orbit Determination, Sparse Representation and Machine 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 Change12▲ 4.1×31 topics
  2. Remote Sensing9▲ 6.8×26 topics
  3. Deep Learning7▲ 1.82×24 topics
  4. Machine Learning6▲ 1.66×18 topics
  5. Plate Tectonics4▲ 24×3 topics
  6. Tomography3▲ 17×4 topics
  7. Orbit Determination3▲ 59×2 topics
  8. Detection3▲ 8.2×2 topics
  9. Sparse Representation3▲ 13×3 topics
  10. Biodiversity3▲ 3.1×9 topics
  11. Hydrology2▲ 18×3 topics
  12. Convolutional Neural Network2▲ 13×4 topics
  13. Ecosystem Functioning2▲ 11×5 topics
  14. Global Warming2▲ 4.8×6 topics
  15. Geodetic Measurements2▲ 17×2 topics
  16. Land Use Change2▲ 6.3×5 topics
  17. Pose Estimation2▲ 17×2 topics
  18. Crystal Structure Prediction2▲ 40×1 topic
  19. Groundwater2▲ 22×4 topics
  20. Mantle Dynamics2▲ 40×1 topic
  21. On-Orbit Servicing2▲ 84×1 topic
  22. Space Debris2▲ 84×1 topic
  23. Wavelet Transform2▲ 7.9×5 topics
  24. Geochronology2▲ 24×1 topic
  25. Geohazards2▲ 32×2 topics
  26. Hyperspectral Imaging2▲ 5.8×3 topics
  27. Support Vector Machines2▲ 5.0×3 topics
  28. Zircon2▲ 24×1 topic
  29. Earthquakes2▲ 27×1 topic
  30. Hydrological Modeling2▲ 6.6×5 topics
  31. Infrared2▲ 47×1 topic
  32. Small Target2▲ 47×1 topic
  33. Subduction2▲ 21×1 topic
  34. Ecosystem Resilience2▲ 10×3 topics
  35. Biochar Application2▲ 13×2 topics
  36. Data Integration2▲ 7.9×5 topics
  37. Methane Emissions2▲ 27×2 topics
  38. High-Speed Imaging1▲ 17×3 topics
  39. Nutrient Limitation1▲ 12×2 topics
  40. Sea Level Rise1▲ 10×3 topics

Which research topics does Changchun Observatory publish most on?

By volume in 2022–2025: High-pressure geophysics and materials, Space Satellite Systems and Control, Geological and Geochemical Analysis and earthquake and tectonic studies.

High-pressure geophysics…2High-pressure geophysics and materials: 2 fractional worksSpace Satellite Systems …2Space Satellite Systems and Control: 2 fractional worksGeological and Geochemical Analysis: 2 fractional worksearthquake and tectonic …2earthquake and tectonic studies: 2 fractional worksInfrared Target Detectio…2Infrared Target Detection Methodologies: 2 fractional worksAstro and Planetary Science: 1 fractional worksKarst Systems and Hydrogeology: 1 fractional worksBrain Tumor Detection an…1Brain Tumor Detection and Classification: 1 fractional worksSoil Carbon and Nitrogen Dynamics: 1 fractional worksGeochemistry and Geologic Mapping: 1 fractional works
GeophysicsAerospace EngineeringAstronomy and AstrophysicsEarth-Surface Processes3 others

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

  1. 1 High-pressure geophysics and materials Geophysics 2 works
  2. 2 Space Satellite Systems and Control Aerospace Engineering 2 works
  3. 3 Geological and Geochemical Analysis Geophysics 2 works
  4. 4 earthquake and tectonic studies Geophysics 2 works
  5. 5 Infrared Target Detection Methodologies Aerospace Engineering 2 works
  6. 6 Astro and Planetary Science Astronomy and Astrophysics 1 works
  7. 7 Karst Systems and Hydrogeology Earth-Surface Processes 1 works
  8. 8 Brain Tumor Detection and Classification Neurology 1 works
  9. 9 Soil Carbon and Nitrogen Dynamics Soil Science 1 works
  10. 10 Geochemistry and Geologic Mapping Artificial Intelligence 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 available26.5%not open73.5%

World: 28% of research is openly available.

with international co-authors13.7%domestic only86.3%

World: 19% is written across borders.

How has Changchun Observatory's research output changed?

Output in 2018–2022 was 24% 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 Changchun

All research institutions in Changchun

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.