James J. Simpson

4.3k total citations · 3 hit papers
46 papers, 3.4k citations indexed

About

James J. Simpson is a scholar working on Global and Planetary Change, Oceanography and Atmospheric Science. According to data from OpenAlex, James J. Simpson has authored 46 papers receiving a total of 3.4k indexed citations (citations by other indexed papers that have themselves been cited), including 27 papers in Global and Planetary Change, 24 papers in Oceanography and 22 papers in Atmospheric Science. Recurrent topics in James J. Simpson's work include Oceanographic and Atmospheric Processes (20 papers), Meteorological Phenomena and Simulations (11 papers) and Climate variability and models (10 papers). James J. Simpson is often cited by papers focused on Oceanographic and Atmospheric Processes (20 papers), Meteorological Phenomena and Simulations (11 papers) and Climate variability and models (10 papers). James J. Simpson collaborates with scholars based in United States, United Kingdom and Denmark. James J. Simpson's co-authors include Clayton A. Paulson, Ronald J. Lynn, Allan Aasbjerg Nielsen, Knut Conradsen, Gary L. Hufford, Jason I. Gobat, C. J. Koblinsky, Alberto Zirino, David C. Pieri and Loren R. Haury and has published in prestigious journals such as Journal of Geophysical Research Atmospheres, Remote Sensing of Environment and Geophysical Research Letters.

In The Last Decade

James J. Simpson

45 papers receiving 2.9k citations

Hit Papers

align trajectories

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.

Irradiance Measurements in the Upper Ocean

1977 739 citations Clayton A. Paulson, James J. Simpson profile →
The California Current system: The seasonal variability of its physical characteristics

1987 621 citations James J. Simpson et al. Journal of Geophysical Research Atmospheres profile →
Multivariate Alteration Detection (MAD) and MAF Postprocessing in Multispectral, Bitemporal Image Data: New Approaches to Change Detection Studies

1998 504 citations James J. Simpson et al. Remote Sensing of Environment profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
James J. Simpson United States	28	1.8k	1.7k	1.4k	639	513	46	3.4k
Xiao‐Hai Yan United States	35	3.2k 1.7×	1.4k 0.8×	1.5k 1.1×	430 0.7×	71 0.1×	153	4.2k
Johnny A. Johannessen Norway	39	4.0k 2.2×	1.1k 0.7×	2.3k 1.7×	411 0.6×	86 0.2×	171	5.2k
Robert Frouin United States	40	2.7k 1.5×	3.4k 2.0×	2.4k 1.8×	1.2k 1.9×	217 0.4×	199	5.8k
Aïda Alvera Azcarate Belgium	28	1.9k 1.0×	1.1k 0.6×	959 0.7×	298 0.5×	57 0.1×	83	2.5k
M. Rixen Italy	24	2.1k 1.1×	1.7k 1.0×	1.4k 1.1×	317 0.5×	30 0.1×	73	3.3k
Rosalia Santoleri Italy	38	3.5k 1.9×	2.2k 1.3×	1.6k 1.2×	929 1.5×	53 0.1×	145	4.7k
Craig Donlon Netherlands	33	3.8k 2.1×	2.9k 1.8×	3.2k 2.4×	519 0.8×	102 0.2×	165	5.7k
Victor Zlotnicki United States	23	1.8k 1.0×	830 0.5×	523 0.4×	64 0.1×	69 0.1×	57	2.4k
I. J. Barton Australia	26	1.4k 0.8×	1.5k 0.9×	1.4k 1.1×	273 0.4×	73 0.1×	64	2.5k
Christopher S. Velden United States	41	2.5k 1.3×	4.5k 2.7×	5.8k 4.3×	123 0.2×	60 0.1×	121	6.2k

Countries citing papers authored by James J. Simpson

Since Specialization

Citations

This map shows the geographic impact of James J. Simpson'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 James J. Simpson with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites James J. Simpson more than expected).

Fields of papers citing papers by James J. Simpson

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by James J. Simpson. 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 James J. Simpson. The network helps show where James J. Simpson may publish in the future.

Co-authorship network of co-authors of James J. Simpson

This figure shows the co-authorship network connecting the top 25 collaborators of James J. Simpson. A scholar is included among the top collaborators of James J. Simpson 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 James J. Simpson. James J. Simpson is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Simpson, James J., et al.. (2009). A Discriminant Analysis Model of Alaskan Biomes Based on Spatial Climatic and Environmental Data. ARCTIC. 60(4). 10 indexed citations

Simpson, James J., et al.. (2006). The Parallel Image Processing Environment (PIPE): automated parallelization of satellite data analyses. Concurrency and Computation Practice and Experience. 19(1). 1–36. 7 indexed citations

Simpson, James J., et al.. (2004). Hydrologic Scales, Cloud Variability, Remote Sensing, and Models: Implications for Forecasting Snowmelt and Streamflow. Weather and Forecasting. 19(2). 251–276. 16 indexed citations

Simpson, James J., et al.. (2001). The NVAP global water vapor data set: independent cross-comparison and multiyear variability. Remote Sensing of Environment. 76(1). 112–129. 32 indexed citations

Hufford, Gary L., et al.. (2000). Operational Implications of Airborne Volcanic Ash. Bulletin of the American Meteorological Society. 81(4). 745–755. 29 indexed citations

Simpson, James J.. (2000). Failures in Detecting Volcanic Ash from a Satellite-Based Technique. Remote Sensing of Environment. 72(2). 191–217. 98 indexed citations

Simpson, James J., Andrew H. Schmidt, & Andrew R. Harris. (1998). Improved Cloud Detection in Along Track Scanning Radiometer (ATSR) Data over the Ocean. Remote Sensing of Environment. 65(1). 1–24. 21 indexed citations

Simpson, James J. & Jason I. Gobat. (1996). Improved cloud detection for daytime AVHRR scenes over land. Remote Sensing of Environment. 55(1). 21–49. 48 indexed citations

Simpson, James J.. (1994). Remote Sensing in Fisheries: A Tool for Better Management in the Utilization of a Renewable Resource. Canadian Journal of Fisheries and Aquatic Sciences. 51(3). 743–771. 17 indexed citations

10.

Randerson, James T. & James J. Simpson. (1993). Recurrent patterns in surface thermal fronts associated with cold filaments along the West Coast of North America. Remote Sensing of Environment. 46(2). 146–163. 8 indexed citations

11.

Simpson, James J.. (1993). A CONCEPTUAL FRAMEWORK FOR THE OPERATIONAL FISHERIES OCEANOGRAPHY COMMUNITY. 1 indexed citations

12.

Simpson, James J.. (1992). Remote sensing and geographical information systems: Their past, present and future use in global marine fisheries. Fisheries Oceanography. 1(3). 238–280. 24 indexed citations

13.

Simpson, James J., et al.. (1991). Automated cloud screening of AVHRR imagery using split-and-merge clustering. Remote Sensing of Environment. 38(2). 77–121. 40 indexed citations

14.

Simpson, James J., et al.. (1991). Satellite derived estimates of the normal and tangential components of near-surface flow. International Journal of Remote Sensing. 12(12). 2529–2571. 13 indexed citations

15.

Simpson, James J., et al.. (1990). An automated cloud screening algorithm for daytime advanced very high resolution radiometer imagery. Journal of Geophysical Research Atmospheres. 95(C8). 13459–13481. 43 indexed citations

16.

Simpson, James J., et al.. (1986). Temperature—plant pigment—optical relations in a recurrent offshore mesoscale eddy near Point Conception, California. Journal of Geophysical Research Atmospheres. 91(C11). 12919–12936. 36 indexed citations

17.

Haury, Loren R., et al.. (1986). Biological consequences of a recurrent eddy off Point Conception, California. Journal of Geophysical Research Atmospheres. 91(C11). 12937–12956. 45 indexed citations

18.

Simpson, James J.. (1984). A simple model of the 1982‐83 Californian "El Nino". Geophysical Research Letters. 11(3). 237–240. 152 indexed citations

19.

Simpson, James J.. (1983). Large‐scale thermal anomalies in the California Current during the 1982‐1983 El Niño. Geophysical Research Letters. 10(10). 937–940. 71 indexed citations

20.

Simpson, James J. & Clayton A. Paulson. (1979). Mid‐ocean observations of atmospheric radiation. Quarterly Journal of the Royal Meteorological Society. 105(444). 487–502. 82 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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