Alan Judd

4.8k citations

48 papers · 3.9k indexed · 1 hit paper · h-index 26

Impact in

Environmental Chemistry top 0.1%
- Methane Hydrates and Related Phenomena
Earth-Surface Processes top 0.5%
- Geological formations and processes

Papers in

Environmental Chemistry 33
- Methane Hydrates and Related Phenomena 33
Atmospheric Science 17
- Geology and Paleoclimatology Research 15

Co-authors: Martin Hovland James V. Gardner G. D. Floodgate Ira Leifer Lyubomir Dimitrov Giovanni Martinelli Lewis H. King R. Holmes
Journals: Continental Shelf Research (6 papers)Geo-Marine Letters (5 papers)Marine and Petroleum Geology (4 papers)Marine Geology (2 papers)Geofluids (2 papers)
Partner nations: United Kingdom Norway United States

In The Last Decade

Alan Judd

48 papers receiving 3.7k citations

Hit Papers

align trajectories log scale

Seabed pockmarks and seepages: Impact on geology, biology and the marine environment 1988 · 480 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

1988 Seabed pockmarks and seepages: Impact on geology, biology and the marine environment

Peers

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

The 25 scholars most cited alongside Alan Judd, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Alan Judd Line = papers co-authored together Alan Judd links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

#	Work
1	The Croker Carbonate Slabs: extensive methane-derived authigenic carbonate in the Irish Sea—nature, origin, longevity and environmental significance Geo-Marine Letters ·Alan Judd, Gülsüm Çelik, Neil Golding, Françoise N'Diaye, Markus Diesing, Damián Marrero Real, Briony Silburn, Aam Muharam, Lorraine P. Field, A. E. Milodowski	2019	19
2	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 ·Ira Leifer, Alan Judd	2015	37
3	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 ·Castor Muñoz Sobrino, Iria García‐Moreiras, Manuel G. Escalante, Amruta Shantaram Khanolkar, E. de Blas, Carlos Fernández Rodríguez, Alan Judd, Soledad García‐Gil	2014	31
4	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 ·Soledad García‐Gil, E. de Blas, Amruta Shantaram Khanolkar, Jorge Iglesias, R. Rial‐Otero, Jesús Simal‐Gándara, Alan Judd	2010	27
5	Pockforms: an evaluation of pockmark-like seabed features on the Landes Plateau, Bay of Biscay Geo-Marine Letters ·Jorge Iglesias, Gemma Ercilla, Soledad García‐Gil, Alan Judd	2009	27
6	Gas in marine sediments VIII: an introduction to the Vigo conference of the shallow gas group Geo-Marine Letters ·Soledad García‐Gil, Alan Judd	2007	3
7	Seabed Fluid Flow: List of maps on the accompanying website Alan Judd, Martin Hovland	2007	290
8	Shallow seabed methane gas could pose coastal hazard Eos ·Angus I. Best, Michael D. Richardson, Bernard P. Boudreau, Alan Judd, Ira Leifer, Anthony P. Lyons, Christopher S. Martens, Gabriel Oliveira Schindler Coutinho, Simon J. Wheeler	2006	43
9	Methane emission and consumption at a North Sea gas seep (Tommeliten area) Biogeosciences ·Helge Niemann, Marcus Elvert, Martin Hovland, Beth N. Orcutt, Alan Judd, Alma Brkic-Elezovic, Julian Gutt, Samantha B. Joye, XU Yu-huang, Kai Finster, Antje Boëtius	2005	130
10	The rising influence of shallow gas: an introduction to the Bologna Conference on ‘Gas in Marine Sediments’ Continental Shelf Research ·Alan Judd, Pietro Curzi	2002	14
11	The significance of pockmarks to understanding fluid flow processes and geohazards Geofluids ·Martin Hovland, James V. Gardner, Alan Judd	2002	313
12	Evidencias de gas en los sedimentos marinos de la zona interna de la Ría de Arosa, Galicia Geotemas ( Madrid ) ·Μιχαήλ Καραβασίλης, Alan Judd, Soledad García‐Gil, John Eighmy	2001	2
13	Contributions to atmospheric methane by natural seepages on the U.K. continental shelf Marine Geology ·Alan Judd, Gareth M. Davies, Luna Montalvo, R. Holmes, 李伟含, Ian Bryden	1997	34
14	The global flux of methane from shallow submarine sediments Chemosphere ·Martin Hovland, Alan Judd, Devaraju	1993	188
15	The evidence of shallow gas in marine sediments Continental Shelf Research ·Alan Judd, Martin Hovland	1992	235
16	The origins of shallow gas Continental Shelf Research ·G. D. Floodgate, Alan Judd	1992	143
17	The global production of methane from shallow submarine sources Continental Shelf Research ·Martin Hovland, Alan Judd	1992	59
18	Ford Madox Ford Medical Entomology and Zoology ·Alan Judd	1990	6
19	Seabed pockmarks and seepages: Impact on geology, biology and the marine environment Martin Hovland, Alan Judd Hit paper breakdown →	1988	480
20	Characteristic features of pockmarks on the North Sea Floor and Scotian Shelf Sedimentology ·Martin Hovland, Alan Judd, Lewis H. King	1984	73

About Alan Judd

Alan Judd is a scholar working on Environmental Chemistry, Atmospheric Science, Earth-Surface Processes, Global and Planetary Change and Oceanography, having authored 48 papers that have together received 3.9k indexed citations. Recurring topics across this work include Methane Hydrates and Related Phenomena (33 papers), Geology and Paleoclimatology Research (15 papers), Atmospheric and Environmental Gas Dynamics (15 papers), Hydrocarbon exploration and reservoir analysis (11 papers), Geological formations and processes (6 papers), Microbial Community Ecology and Physiology (2 papers), Geological and Geophysical Studies (2 papers) and Oil Spill Detection and Mitigation (2 papers). The work is most often cited by research in Environmental Chemistry (3.1k citations), Earth-Surface Processes (741 citations), Geology (451 citations), Atmospheric Science (1.3k citations) and Oceanography (798 citations). Alan Judd has collaborated with scholars based in United Kingdom, Norway and United States. Frequent 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. Their work appears in journals such as Continental Shelf Research, Geo-Marine Letters, Marine and Petroleum Geology, Marine Geology and Geofluids.

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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