Ralph A. Kahn

31.4k total citations · 13 hit papers
279 papers, 19.7k citations indexed

About

Ralph A. Kahn is a scholar working on Global and Planetary Change, Atmospheric Science and Health, Toxicology and Mutagenesis. According to data from OpenAlex, Ralph A. Kahn has authored 279 papers receiving a total of 19.7k indexed citations (citations by other indexed papers that have themselves been cited), including 226 papers in Global and Planetary Change, 220 papers in Atmospheric Science and 33 papers in Health, Toxicology and Mutagenesis. Recurrent topics in Ralph A. Kahn's work include Atmospheric aerosols and clouds (198 papers), Atmospheric chemistry and aerosols (191 papers) and Atmospheric Ozone and Climate (87 papers). Ralph A. Kahn is often cited by papers focused on Atmospheric aerosols and clouds (198 papers), Atmospheric chemistry and aerosols (191 papers) and Atmospheric Ozone and Climate (87 papers). Ralph A. Kahn collaborates with scholars based in United States, United Kingdom and France. Ralph A. Kahn's co-authors include R. C. Levy, David J. Diner, John V. Martonchik, L. A. Remer, Randall V. Martin, Aaron van Donkelaar, Michael Bräuer, B. J. Gaitley, B. N. Holben and Alexei Lyapustin and has published in prestigious journals such as SHILAP Revista de lepidopterología, Journal of Geophysical Research Atmospheres and Environmental Science & Technology.

In The Last Decade

Ralph A. Kahn

267 papers receiving 19.0k citations

Hit Papers

Global Estimates of Ambient ... 1979 2026 1994 2010 2010 2010 2016 1998 2006 400 800 1.2k
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Global Estimates of Ambient Fine Particulate Matter Concentrations from Satellite-Based Aerosol Optical Depth: Development and Application
    2010 1.3k citations Ralph A. Kahn, R. C. Levy et al. profile →
  2. Global evaluation of the Collection 5 MODIS dark-target aerosol products over land
    2010 1.0k citations R. C. Levy, L. A. Remer et al. Atmospheric chemistry and physics profile →
  3. Global Estimates of Fine Particulate Matter using a Combined Geophysical-Statistical Method with Information from Satellites, Models, and Monitors
    2016 881 citations Ralph A. Kahn, R. C. Levy et al. profile →
  4. Multi-angle Imaging SpectroRadiometer (MISR) instrument description and experiment overview
    1998 806 citations David J. Diner, Ralph A. Kahn et al. profile →
  5. A review of measurement-based assessments of the aerosol direct radiative effect and forcing
    2006 656 citations Mian Chin, L. A. Remer et al. Atmospheric chemistry and physics profile →
  6. Global Estimates and Long-Term Trends of Fine Particulate Matter Concentrations (1998–2018)
    2020 566 citations Alexei Lyapustin, R. C. Levy et al. profile →
  7. Modeling phase functions for dustlike tropospheric aerosols using a shape mixture of randomly oriented polydisperse spheroids
    1997 560 citations Ralph A. Kahn et al. profile →
  8. Properties and effects of dust particles suspended in the Martian atmosphere
    1979 490 citations Ralph A. Kahn et al. profile →
  9. Multiangle implementation of atmospheric correction (MAIAC): 2. Aerosol algorithm
    2011 489 citations Alexei Lyapustin, István László et al. profile →
  10. Multiangle Imaging SpectroRadiometer global aerosol product assessment by comparison with the Aerosol Robotic Network
    2010 445 citations Ralph A. Kahn, B. J. Gaitley et al. profile →
  11. Monthly Global Estimates of Fine Particulate Matter and Their Uncertainty
    2021 414 citations M. J. Garay, О. В. Калашникова et al. profile →
  12. Global observations of aerosol-cloud-precipitation-climate interactions
    2014 362 citations Daniel Rosenfeld, Mian Chin et al. profile →
  13. Scattering and absorbing aerosols in the climate system
    2022 257 citations Jing Li, Barbara E. Carlson et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Ralph A. Kahn United States 70 14.4k 14.2k 4.8k 2.8k 1.6k 279 19.7k
Zhanqing Li United States 81 18.7k 1.3× 18.3k 1.3× 6.5k 1.4× 4.4k 1.6× 434 0.3× 470 25.2k
Oliviér Boucher France 78 21.7k 1.5× 19.5k 1.4× 3.3k 0.7× 1.7k 0.6× 609 0.4× 287 27.2k
Ulrike Lohmann Switzerland 81 21.6k 1.5× 23.2k 1.6× 3.9k 0.8× 1.1k 0.4× 389 0.2× 370 25.7k
Joyce E. Penner United States 67 13.1k 0.9× 14.2k 1.0× 3.4k 0.7× 827 0.3× 312 0.2× 237 17.2k
A. Stohl Norway 86 20.5k 1.4× 22.3k 1.6× 6.0k 1.3× 2.0k 0.7× 261 0.2× 394 28.0k
Philip J. Rasch United States 67 16.1k 1.1× 17.1k 1.2× 1.9k 0.4× 748 0.3× 782 0.5× 280 20.8k
L. A. Remer United States 80 27.0k 1.9× 25.8k 1.8× 3.2k 0.7× 2.8k 1.0× 392 0.2× 246 30.0k
K. S. Carslaw United Kingdom 67 10.4k 0.7× 13.0k 0.9× 2.7k 0.6× 683 0.2× 869 0.5× 212 14.6k
Piers Forster United Kingdom 73 12.7k 0.9× 10.8k 0.8× 1.9k 0.4× 1.1k 0.4× 513 0.3× 271 17.5k
Robert J. Charlson United States 63 14.1k 1.0× 17.4k 1.2× 4.7k 1.0× 2.0k 0.7× 192 0.1× 209 20.9k

Countries citing papers authored by Ralph A. Kahn

Since Specialization
Citations

This map shows the geographic impact of Ralph A. Kahn's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Ralph A. Kahn with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Ralph A. Kahn more than expected).

Fields of papers citing papers by Ralph A. Kahn

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ralph A. Kahn. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Ralph A. Kahn. The network helps show where Ralph A. Kahn may publish in the future.

Co-authorship network of co-authors of Ralph A. Kahn

This figure shows the co-authorship network connecting the top 25 collaborators of Ralph A. Kahn. A scholar is included among the top collaborators of Ralph A. Kahn based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Ralph A. Kahn. Ralph A. Kahn is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Choi, Myungje, Alexei Lyapustin, Gregory L. Schuster, et al.. (2024). Light-absorbing black carbon and brown carbon components of smoke aerosol from DSCOVR EPIC measurements over North America and central Africa. Atmospheric chemistry and physics. 24(18). 10543–10565. 2 indexed citations
2.
Kahn, Ralph A., et al.. (2024). Evolving Particles in the 2022 Hunga Tonga—Hunga Ha'apai Volcano Eruption Plume. Journal of Geophysical Research Atmospheres. 129(11). 3 indexed citations
3.
Zamora, Lauren & Ralph A. Kahn. (2024). First Observational Evidence That Dust‐Driven Cloud Phase Changes Cool the Surface Over Summertime Arctic Sea Ice. Geophysical Research Letters. 51(19). 1 indexed citations
4.
Basart, Sara, Juan Cuesta, Enza Di Tomaso, et al.. (2023). Comparison of dust optical depth from multi-sensor products and MONARCH (Multiscale Online Non-hydrostatic AtmospheRe CHemistry) dust reanalysis over North Africa, the Middle East, and Europe. Atmospheric chemistry and physics. 23(9). 5487–5516. 3 indexed citations
5.
Wei, Jing, Jun Wang, Zhanqing Li, et al.. (2023). Long-term mortality burden trends attributed to black carbon and PM2·5 from wildfire emissions across the continental USA from 2000 to 2020: a deep learning modelling study. The Lancet Planetary Health. 7(12). e963–e975. 65 indexed citations
6.
Hirsch, Lutz, Ákos Horváth, Ralph A. Kahn, et al.. (2023). Dispersion and Aging of Volcanic Aerosols After the La Soufrière Eruption in April 2021. Journal of Geophysical Research Atmospheres. 128(8). 6 indexed citations
7.
Kahn, Ralph A., et al.. (2022). Canadian and Alaskan wildfire smoke particle properties, their evolution, and controlling factors, from satellite observations. Atmospheric chemistry and physics. 22(15). 10267–10290. 19 indexed citations
8.
Li, Jing, Ralph A. Kahn, Jing Wei, et al.. (2020). Synergy of Satellite‐ and Ground‐Based Aerosol Optical Depth Measurements Using an Ensemble Kalman Filter Approach. Journal of Geophysical Research Atmospheres. 125(5). 16 indexed citations
9.
Su, Tianning, Zhanqing Li, & Ralph A. Kahn. (2018). Relationships between the planetary boundary layer height and surface pollutants derived from lidar observations over China: regional pattern and influencing factors. Atmospheric chemistry and physics. 18(21). 15921–15935. 232 indexed citations
10.
Kahn, Ralph A., et al.. (2017). Refined Use of Satellite Aerosol Optical Depth Snapshots to Constrain Biomass Burning Emissions in the GOCART Model. Journal of Geophysical Research Atmospheres. 122(20). 17 indexed citations
11.
Limbacher, James A. & Ralph A. Kahn. (2017). Updated MISR dark water research aerosol retrieval algorithm – Part 1: Coupled 1.1 km ocean surface chlorophyll  a retrievals with empirical calibration corrections. Atmospheric measurement techniques. 10(4). 1539–1555. 26 indexed citations
12.
Colarco, Peter R., Ralph A. Kahn, L. A. Remer, & R. C. Levy. (2014). Impact of satellite viewing-swath width on global and regional aerosol optical thickness statistics and trends. Atmospheric measurement techniques. 7(7). 2313–2335. 33 indexed citations
13.
Kahn, Ralph A.. (2013). How Can We Obtain Global-scale, Quantitative Aerosol Type Information?. AGUFM. 2013. 1 indexed citations
14.
Lyapustin, Alexei, A. Smirnov, B. N. Holben, et al.. (2011). MODIS(中分解能撮像分光放射計)とAERONET(エアロゾル自動観測網)による2007年以降の北京におけるアエロゾル吸収の減少. Geophysical Research Letters. 38(10). 1–5. 32 indexed citations
15.
Leeuw, Gerrit de, Mikhail Sofiev, Julius Vira, et al.. (2010). Using satellite data to obtain information on the Eyjafjallajökull ash plume. EGU General Assembly Conference Abstracts. 15738. 1 indexed citations
16.
Kahn, Ralph A., B. J. Gaitley, M. J. Garay, et al.. (2010). MISR Global Aerosol Product Assessment by Comparison with AERONET. NASA STI Repository (National Aeronautics and Space Administration). 2010. 5 indexed citations
17.
Levy, R. C., L. A. Remer, R. G. Kleidman, et al.. (2010). Global evaluation of the Collection 5 MODIS dark-target aerosol products over land. Atmospheric chemistry and physics. 10(21). 10399–10420. 1033 indexed citations breakdown →
18.
Paradise, S., et al.. (2008). Characterizing error distributions for MISR and MODIS optical depth data. AGUFM. 2008. 1 indexed citations
19.
Reid, Jeffrey S., Jiabin Zhang, S. A. Christopher, et al.. (2007). Application of Multi-Sensor Fusion to the Aerosol Forecasting Problem. AGU Fall Meeting Abstracts. 2007. 1 indexed citations
20.
Rasch, Philip J., et al.. (2005). An Exploratory Study of the Impact of Pyro-cumulonimbus Injections of Aerosol on the Upper Troposphere and Lower Stratosphere Climate During Northern Hemisphere Summer. AGUFM. 2005. 1 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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