Class information for: |
Basic class information |
Hierarchy of classes |
The table includes all classes above and classes immediately below the current class. |
| Cluster id | Level | Cluster label | #P |
|---|---|---|---|
| 23 | 4 | ASTRONOMY & ASTROPHYSICS//ASTROPHYSICAL JOURNAL//ASTRON | 393400 |
| 45 | 3 | JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS//ASTRONOMY & ASTROPHYSICS//SOLAR PHYSICS | 104301 |
| 998 | 2 | MIDDLE ATMOSPHERE DYNAMICS//MESOSPHERE//JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS | 10738 |
| 12727 | 1 | SODIUM LAYER//SPORADIC SODIUM LAYERS//MESOSPHERIC METAL | 915 |
Terms with highest relevance score |
| rank | Category | termType | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|---|
| 1 | SODIUM LAYER | authKW | 354269 | 1% | 86% | 12 |
| 2 | SPORADIC SODIUM LAYERS | authKW | 244927 | 1% | 89% | 8 |
| 3 | MESOSPHERIC METAL | authKW | 172216 | 1% | 100% | 5 |
| 4 | PUERTO RICO PHOTON | address | 172216 | 1% | 100% | 5 |
| 5 | MESOSPHERIC SODIUM | authKW | 143511 | 1% | 83% | 5 |
| 6 | SODIUM LIDAR | authKW | 123990 | 1% | 60% | 6 |
| 7 | METEORIC ABLATION | authKW | 110216 | 0% | 80% | 4 |
| 8 | RESONANCE LIDAR | authKW | 110216 | 0% | 80% | 4 |
| 9 | POTASSIUM LAYER | authKW | 103329 | 0% | 100% | 3 |
| 10 | HIGH TEMP REACT KINET | address | 99269 | 1% | 41% | 7 |
Web of Science journal categories |
| chi_square_rank | Category | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | Physics, Atomic, Molecular & Chemical | 4477 | 28% | 0% | 256 |
| 2 | Meteorology & Atmospheric Sciences | 4265 | 20% | 0% | 179 |
| 3 | Chemistry, Physical | 2940 | 39% | 0% | 353 |
| 4 | Geosciences, Multidisciplinary | 1969 | 18% | 0% | 163 |
| 5 | Astronomy & Astrophysics | 1028 | 15% | 0% | 137 |
| 6 | Geochemistry & Geophysics | 206 | 5% | 0% | 44 |
| 7 | Engineering, Aerospace | 80 | 2% | 0% | 15 |
| 8 | Optics | 47 | 4% | 0% | 41 |
| 9 | Thermodynamics | 45 | 2% | 0% | 22 |
| 10 | Engineering, General | 37 | 2% | 0% | 19 |
Address terms |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | PUERTO RICO PHOTON | 172216 | 1% | 100% | 5 |
| 2 | HIGH TEMP REACT KINET | 99269 | 1% | 41% | 7 |
| 3 | METEOROL KLIMAFOR ATMOSPHAR SPURENGASE | 77495 | 0% | 75% | 3 |
| 4 | RADAR SPACE SCI | 53810 | 1% | 31% | 5 |
| 5 | 429UCB | 34443 | 0% | 100% | 1 |
| 6 | AERONOMY REA12 325 BROADWAY | 34443 | 0% | 100% | 1 |
| 7 | AERONOMY REAL2 325 BROADWAY | 34443 | 0% | 100% | 1 |
| 8 | ARECIBO OBSERV GEOSPACE STUDIES | 34443 | 0% | 100% | 1 |
| 9 | ASTRO TEILCHENPYHS | 34443 | 0% | 100% | 1 |
| 10 | ATOM MOLEC PHYS HIGH ENERGY PHYS | 34443 | 0% | 100% | 1 |
Journals |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | GEOPHYSICAL RESEARCH LETTERS | 9572 | 11% | 0% | 98 |
| 2 | JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS | 9292 | 3% | 1% | 32 |
| 3 | JOURNAL OF ATMOSPHERIC AND TERRESTRIAL PHYSICS | 7192 | 2% | 1% | 21 |
| 4 | JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES | 6017 | 7% | 0% | 62 |
| 5 | JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS II | 5952 | 2% | 1% | 17 |
| 6 | JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS | 5690 | 6% | 0% | 58 |
| 7 | JOURNAL OF PHYSICAL CHEMISTRY A | 3746 | 6% | 0% | 58 |
| 8 | JOURNAL OF PHYSICAL CHEMISTRY | 3724 | 6% | 0% | 52 |
| 9 | ANNALES GEOPHYSICAE | 3253 | 2% | 1% | 19 |
| 10 | JOURNAL OF PHOTOCHEMISTRY | 2654 | 1% | 1% | 9 |
Author Key Words |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass | LCSH search | Wikipedia search |
|---|---|---|---|---|---|---|---|
| 1 | SODIUM LAYER | 354269 | 1% | 86% | 12 | Search SODIUM+LAYER | Search SODIUM+LAYER |
| 2 | SPORADIC SODIUM LAYERS | 244927 | 1% | 89% | 8 | Search SPORADIC+SODIUM+LAYERS | Search SPORADIC+SODIUM+LAYERS |
| 3 | MESOSPHERIC METAL | 172216 | 1% | 100% | 5 | Search MESOSPHERIC+METAL | Search MESOSPHERIC+METAL |
| 4 | MESOSPHERIC SODIUM | 143511 | 1% | 83% | 5 | Search MESOSPHERIC+SODIUM | Search MESOSPHERIC+SODIUM |
| 5 | SODIUM LIDAR | 123990 | 1% | 60% | 6 | Search SODIUM+LIDAR | Search SODIUM+LIDAR |
| 6 | METEORIC ABLATION | 110216 | 0% | 80% | 4 | Search METEORIC+ABLATION | Search METEORIC+ABLATION |
| 7 | RESONANCE LIDAR | 110216 | 0% | 80% | 4 | Search RESONANCE+LIDAR | Search RESONANCE+LIDAR |
| 8 | POTASSIUM LAYER | 103329 | 0% | 100% | 3 | Search POTASSIUM+LAYER | Search POTASSIUM+LAYER |
| 9 | LIDAR OBSERVATION | 91846 | 0% | 67% | 4 | Search LIDAR+OBSERVATION | Search LIDAR+OBSERVATION |
| 10 | MESOSPHERIC METAL LAYERS | 68886 | 0% | 100% | 2 | Search MESOSPHERIC+METAL+LAYERS | Search MESOSPHERIC+METAL+LAYERS |
Core articles |
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c: (1) Number of references referring to publications in the class. (2) Share of total number of active references referring to publications in the class. (3) Age of the article. New articles get higher score than old articles. (4) Citation rate, normalized to year. |
Classes with closest relation at Level 1 |