Alan Judd

4.8k total citations · 1 hit paper
48 papers, 3.9k citations indexed

About

Alan Judd is a scholar working on Environmental Chemistry, Atmospheric Science and Global and Planetary Change. According to data from OpenAlex, Alan Judd has authored 48 papers receiving a total of 3.9k indexed citations (citations by other indexed papers that have themselves been cited), including 33 papers in Environmental Chemistry, 17 papers in Atmospheric Science and 16 papers in Global and Planetary Change. Recurrent topics in Alan Judd's work include Methane Hydrates and Related Phenomena (33 papers), Geology and Paleoclimatology Research (15 papers) and Atmospheric and Environmental Gas Dynamics (15 papers). Alan Judd is often cited by papers focused on Methane Hydrates and Related Phenomena (33 papers), Geology and Paleoclimatology Research (15 papers) and Atmospheric and Environmental Gas Dynamics (15 papers). Alan Judd collaborates with scholars based in United Kingdom, Norway and United States. Alan Judd's co-authors include Martin Hovland, James V. Gardner, G. D. Floodgate, Ira Leifer, Lyubomir Dimitrov, Giovanni Martinelli, Lewis H. King, R. Holmes, Soledad García‐Gil and Ian Bryden and has published in prestigious journals such as Chemosphere, Quaternary Science Reviews and Marine Geology.

In The Last Decade

Alan Judd

48 papers receiving 3.7k citations

Hit Papers

Seabed pockmarks and seepages: Impact on geology, biology... 1988 2026 2000 2013 1988 100 200 300 400
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. Seabed pockmarks and seepages: Impact on geology, biology and the marine environment
    1988 480 citations Martin Hovland, Alan Judd profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Alan Judd United Kingdom 26 3.1k 1.4k 1.3k 1.1k 798 48 3.9k
Jean‐Paul Foucher France 32 2.5k 0.8× 1.2k 0.9× 1.3k 0.9× 680 0.6× 734 0.9× 50 3.8k
William Ussler United States 40 3.5k 1.1× 1.8k 1.3× 2.0k 1.5× 1.6k 1.4× 695 0.9× 84 5.2k
Duofu Chen China 38 3.8k 1.2× 2.8k 2.0× 1.8k 1.3× 976 0.9× 493 0.6× 200 5.3k
Giovanni Aloisi France 29 2.0k 0.7× 1.2k 0.8× 1.3k 1.0× 588 0.5× 565 0.7× 61 3.1k
Christian Berndt Germany 40 3.2k 1.0× 1.8k 1.3× 1.9k 1.4× 1.1k 1.0× 432 0.5× 215 5.4k
Catherine Pierre France 35 1.7k 0.6× 1.1k 0.8× 1.7k 1.2× 535 0.5× 800 1.0× 74 3.4k
Ryo Matsumoto Japan 32 2.1k 0.7× 1.2k 0.9× 2.1k 1.5× 860 0.8× 278 0.3× 188 4.0k
Петер Линке Germany 36 2.8k 0.9× 1.1k 0.8× 1.5k 1.1× 1.4k 1.3× 1.6k 2.0× 113 4.3k
V. Spieß Germany 30 1.2k 0.4× 658 0.5× 1.2k 0.9× 325 0.3× 466 0.6× 112 2.6k
A. M. Tréhu United States 37 2.0k 0.7× 1.3k 0.9× 1.1k 0.8× 931 0.8× 319 0.4× 156 5.0k

Countries citing papers authored by Alan Judd

Since Specialization
Citations

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

Fields of papers citing papers by Alan Judd

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Alan Judd. 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 Alan Judd. The network helps show where Alan Judd may publish in the future.

Co-authorship network of co-authors of Alan Judd

This figure shows the co-authorship network connecting the top 25 collaborators of Alan Judd. A scholar is included among the top collaborators of Alan Judd 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 Alan Judd. Alan Judd 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.
Judd, Alan, Neil Golding, Markus Diesing, et al.. (2019). The Croker Carbonate Slabs: extensive methane-derived authigenic carbonate in the Irish Sea—nature, origin, longevity and environmental significance. Geo-Marine Letters. 40(4). 423–438. 19 indexed citations
2.
Leifer, Ira & Alan Judd. (2015). The UK22/4b blowout 20 years on: Investigations of continuing methane emissions from sub-seabed to the atmosphere in a North Sea context. Marine and Petroleum Geology. 68. 706–717. 37 indexed citations
3.
Sobrino, Castor Muñoz, Iria García‐Moreiras, E. de Blas, et al.. (2014). Climate and anthropogenic factors influencing an estuarine ecosystem from NW Iberia: new high resolution multiproxy analyses from San Simón Bay (Ría de Vigo). Quaternary Science Reviews. 93. 11–33. 31 indexed citations
4.
García‐Gil, Soledad, E. de Blas, Jorge Iglesias, et al.. (2010). Characterisation and preliminary quantification of the methane reservoir in a coastal sedimentary source: San Simón Bay, Ría de Vigo, NW Spain. Estuarine Coastal and Shelf Science. 91(2). 232–242. 27 indexed citations
5.
Iglesias, Jorge, Gemma Ercilla, Soledad García‐Gil, & Alan Judd. (2009). Pockforms: an evaluation of pockmark-like seabed features on the Landes Plateau, Bay of Biscay. Geo-Marine Letters. 30(3-4). 207–219. 27 indexed citations
6.
García‐Gil, Soledad & Alan Judd. (2007). Gas in marine sediments VIII: an introduction to the Vigo conference of the shallow gas group. Geo-Marine Letters. 27(2-4). 71–74. 3 indexed citations
7.
Judd, Alan & Martin Hovland. (2007). Seabed Fluid Flow: List of maps on the accompanying website. 290 indexed citations
8.
Best, Angus I., Michael D. Richardson, Bernard P. Boudreau, et al.. (2006). Shallow seabed methane gas could pose coastal hazard. Eos. 87(22). 213–217. 43 indexed citations
9.
Niemann, Helge, Marcus Elvert, Martin Hovland, et al.. (2005). Methane emission and consumption at a North Sea gas seep (Tommeliten area). Biogeosciences. 2(4). 335–351. 130 indexed citations
10.
Judd, Alan & Pietro Curzi. (2002). The rising influence of shallow gas: an introduction to the Bologna Conference on ‘Gas in Marine Sediments’. Continental Shelf Research. 22(16). 2267–2271. 14 indexed citations
11.
Hovland, Martin, James V. Gardner, & Alan Judd. (2002). The significance of pockmarks to understanding fluid flow processes and geohazards. Geofluids. 2(2). 127–136. 313 indexed citations
12.
Judd, Alan, et al.. (2001). Evidencias de gas en los sedimentos marinos de la zona interna de la Ría de Arosa, Galicia. Geotemas ( Madrid ). 137–140. 2 indexed citations
13.
Judd, Alan, et al.. (1997). Contributions to atmospheric methane by natural seepages on the U.K. continental shelf. Marine Geology. 140(3-4). 427–455. 34 indexed citations
14.
Hovland, Martin, et al.. (1993). The global flux of methane from shallow submarine sediments. Chemosphere. 26(1-4). 559–578. 188 indexed citations
15.
Judd, Alan & Martin Hovland. (1992). The evidence of shallow gas in marine sediments. Continental Shelf Research. 12(10). 1081–1095. 235 indexed citations
16.
Floodgate, G. D. & Alan Judd. (1992). The origins of shallow gas. Continental Shelf Research. 12(10). 1145–1156. 143 indexed citations
17.
Hovland, Martin & Alan Judd. (1992). The global production of methane from shallow submarine sources. Continental Shelf Research. 12(10). 1231–1238. 59 indexed citations
18.
Judd, Alan. (1990). Ford Madox Ford. Medical Entomology and Zoology. 6 indexed citations
19.
Hovland, Martin & Alan Judd. (1988). Seabed pockmarks and seepages: Impact on geology, biology and the marine environment. 480 indexed citations breakdown →
20.
Hovland, Martin, Alan Judd, & Lewis H. King. (1984). Characteristic features of pockmarks on the North Sea Floor and Scotian Shelf. Sedimentology. 31(4). 471–480. 73 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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