J. M. Welker

27.0k citations

240 papers · 11.9k indexed · 3 hit papers · h-index 57

Atmospheric Science top 0.1%
Ecology top 0.2%
Global and Planetary Change top 0.5%
Geochemistry and Petrology top 0.1%
Nature and Landscape Conservation top 1%

Co-authors: J. T. Fahnestock Patrick F. Sullivan Michael H. Jones Jeffrey J. McDonnell A. N. Parsons Philip A. Wookey Rodney A. Chimner Terry V. Callaghan
Topics: Climate change and permafrost (112 papers)Geology and Paleoclimatology Research (87 papers)Cryospheric studies and observations (86 papers)
Cited by: Atmospheric Science Geochemistry and Petrology Ecology
Journals: Proceedings of the National Academy of Sciences Nature CommunicationsSHILAP Revista de lepidopterología
Partner nations: United States Finland Norway

In The Last Decade

J. M. Welker

233 papers receiving 11.4k 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.

Global patterns of foliar nitrogen isotopes and their relationships with climate, mycorrhizal fungi, foliar nutrient concentrations, and nitrogen availability

2009 715 citations Edward A. G. Schuur, J. M. Welker et al. New Phytologist profile →
The role of topography on catchment‐scale water residence time

2005 584 citations J. M. Welker et al. Water Resources Research profile →
Winter Biological Processes Could Help Convert Arctic Tundra to Shrubland

2005 573 citations J. M. Welker, J. T. Fahnestock et al. profile →

Peers

Countries citing papers authored by J. M. Welker

Since Specialization

Citations

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

Fields of papers citing papers by J. M. Welker

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of J. M. Welker

This figure shows the co-authorship network connecting the top 25 collaborators of J. M. Welker. A scholar is included among the top collaborators of J. M. Welker 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 J. M. Welker. J. M. Welker 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

#	Work	Indexed citations
1	From thaw till fall: Interacting hydrology, carbon cycle, and greenhouse gas dynamics in a subarctic stream-lake continuum 2024 ·The Science of The Total Environment ·Kaisa‐Riikka Mustonen,Hannu Marttila,(unknown),(unknown),Sari Juutinen,(unknown),Mika Korkiakoski,Annalea Lohila,J. M. Welker,Jussi Jyväsjärvi	1
2	Isotopic signatures of snow, sea ice, and surface seawater in the central Arctic Ocean during the MOSAiC expedition 2024 ·Elementa Science of the Anthropocene ·(unknown),(unknown),Martin Werner,Dorothea Bauch,Ellen Damm,Michael Angelopoulos,Daïki Nomura,J. M. Welker,Martin Schneebeli,Mats A. Granskog,(unknown),Amy R. Macfarlane,Stefanie Arndt,Hanno Meyer	4
3	The Pivotal Role of Evaporation in Lake Water Isotopic Variability Across Space and Time in a High Arctic Periglacial Landscape 2024 ·Water Resources Research ·Pete D. Akers,Ben Kopec,Eric S. Klein,Hannah Bailey,J. M. Welker	3
4	Aquatic moss δ18O as a proxy for seasonally resolved lake water δ18O, northwest Greenland 2024 ·Quaternary Science Reviews ·(unknown),Pete D. Akers,Ben Kopec,J. M. Welker,Hannah Bailey,Magdalena R. Osburn,Tenna Riis,Yarrow Axford	2
5	Diminishing warming effects on plant phenology over time 2024 ·New Phytologist ·(unknown),Kees Jan van Groenigen,(unknown),Robert D. Hollister,Eric Post,Elisabeth J. Cooper,J. M. Welker,Yixuan Huang,(unknown),Jianghui Chen,Ingibjörg S. Jónsdóttir,Marguerite Mauritz,Nicoletta Cannone,Susan M. Natali,Edward A. G. Schuur,Ulf Molau,Tao Yan,Hao Wang,Jin He,Huiying Liu	14
6	Stormflows Drive Stream Carbon Concentration, Speciation, and Dissolved Organic Matter Composition in Coastal Temperate Rainforest Watersheds 2020 ·Journal of Geophysical Research Biogeosciences ·Jason B. Fellman,Eran Hood,Megan I. Behnke,J. M. Welker,Robert G. M. Spencer	14
7	Winter Ecosystem Respiration and Sources of CO₂ From the High Arctic Tundra of Svalbard: Response to a Deeper Snow Experiment 2018 ·Journal of Geophysical Research Biogeosciences ·Massimo Lupascu,C. I. Czimczik,(unknown),Lori A. Ziolkowski,Elisabeth J. Cooper,J. M. Welker	14
8	Temporal Trends of Persistent Organic Pollutants in Barents Sea Polar Bears (Ursus maritimus) in Relation to Changes in Feeding Habits and Body Condition 2018 ·Environmental Science & Technology ·(unknown),Sophie Bourgeon,Jon Aars,Magnus Andersen,Anuschka Polder,Jan L. Lyche,Jenny Bytingsvik,Bjørn Munro Jenssen,Andrew E. Derocher,J. M. Welker,Heli Routti	28
9	Choose Your Poison—Space-Use Strategy Influences Pollutant Exposure in Barents Sea Polar Bears 2018 ·Environmental Science & Technology ·Sabrina Tartu,Jon Aars,Magnus Andersen,Anuschka Polder,Sophie Bourgeon,Benjamin Merkel,Andrew Lowther,Jenny Bytingsvik,J. M. Welker,Andrew E. Derocher,Bjørn Munro Jenssen,Heli Routti	17
10	Emission Changes Dwarf the Influence of Feeding Habits on Temporal Trends of Per- and Polyfluoroalkyl Substances in Two Arctic Top Predators 2017 ·Environmental Science & Technology ·Heli Routti,Jon Aars,Eva Fuglei,Linda Hanssen,Karen Lone,Anuschka Polder,Åshild Ønvik Pedersen,Sabrina Tartu,J. M. Welker,Nigel G. Yoccoz	54
11	Geographical Area and Life History Traits Influence Diet in an Arctic Marine Predator 2016 ·PLoS ONE ·Sabrina Tartu,Sophie Bourgeon,Jon Aars,Magnus Andersen,Dorothée Ehrich,Gregory W. Thiemann,J. M. Welker,Heli Routti	26
12	Evidence of Nonlinearity in the Response of Net Ecosystem CO ₂ Exchange to Increasing Levels of Winter Snow Depth in the High Arctic of Northwest Greenland 2011 ·Arctic Antarctic and Alpine Research ·Matthew Rogers,Patrick F. Sullivan,J. M. Welker	43
13	Seasonal Shifts In The Source And Age Of Riverine DOC And POC in NW Greenland 2011 ·AGU Fall Meeting Abstracts ·Adam Csank,C. I. Czimczik,Xiaoping Xu,J. M. Welker	1
14	Radiocarbon Content of CO ₂ Respired from High Arctic Tundra in Northwest Greenland 2010 ·Arctic Antarctic and Alpine Research ·C. I. Czimczik,J. M. Welker	32
15	Increased snow facilitates plant invasion in mixedgrass prairie 2008 ·New Phytologist ·Dana M. Blumenthal,Rodney A. Chimner,J. M. Welker,J. A. Morgan	52
16	A Note on Summer CO ₂ Flux, Soil Organic Matter, and Microbial Biomass from Different High Arctic Ecosystem Types in Northwestern Greenland 2000 ·Arctic Antarctic and Alpine Research ·Michael H. Jones,J. T. Fahnestock,Peter D. Stahl,J. M. Welker	30
17	Early Spring Nitrogen Uptake by Snow-Covered Plants: A Comparison of Arctic and Alpine Plant Function under the Snowpack 2000 ·Arctic Antarctic and Alpine Research ·Carol J. Bilbrough,J. M. Welker,William D. Bowman	62
18	CO ₂ Flux in Arctic and Alpine Dry Tundra: Comparative Field Responses Under Ambient and Experimentally Warmed Conditions 1999 ·Arctic Antarctic and Alpine Research ·J. M. Welker,(unknown),J. T. Fahnestock	42
19	Early and Late Winter CO ₂ Efflux from Arctic Tundra in the Kuparuk River Watershed, Alaska, U.S.A. 1999 ·Arctic Antarctic and Alpine Research ·Michael H. Jones,J. T. Fahnestock,J. M. Welker	53
20	Carbon Dioxide Fluxes in Moist and Dry Arctic Tundra during the Snow-free Season: Responses to Increases in Summer Temperature and Winter Snow Accumulation 1998 ·Arctic and Alpine Research ·Michael H. Jones,J. T. Fahnestock,Donald A. Walker,Marilyn D. Walker,J. M. Welker	75

About J. M. Welker

J. M. Welker is a scholar working on Atmospheric Science, Geochemistry and Petrology and Ecology, having authored 240 papers that have together received 11.9k indexed citations. Recurring topics across this work include Climate change and permafrost (112 papers), Geology and Paleoclimatology Research (87 papers) and Cryospheric studies and observations (86 papers). The work is most often cited by research in Atmospheric Science (6.6k citations), Geochemistry and Petrology (1.6k citations) and Ecology (4.3k citations). J. M. Welker has collaborated with scholars based in United States, Finland and Norway. Frequent co-authors include J. T. Fahnestock, Patrick F. Sullivan, Michael H. Jones, Jeffrey J. McDonnell, A. N. Parsons, Philip A. Wookey, Rodney A. Chimner, Terry V. Callaghan, Malcolm C. Press and Scott Jasechko. Their work appears in journals such as Proceedings of the National Academy of Sciences, Nature Communications and SHILAP Revista de lepidopterología.

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