Jens Hartmann

22.1k citations

196 papers · 13.8k indexed · 8 hit papers · h-index 56

Impact in

Geochemistry and Petrology top 0.05%
- Groundwater and Isotope Geochemistry
Environmental Chemistry top 0.1%
- Methane Hydrates and Related Phenomena
- Soil and Water Nutrient Dynamics

Papers in

Geochemistry and Petrology 57
- Groundwater and Isotope Geochemistry 44
- Geochemistry and Elemental Analysis 18
Environmental Chemistry 44
- Methane Hydrates and Related Phenomena 25
- Soil and Water Nutrient Dynamics 16

Co-authors: Nils Moosdorf Ronny Lauerwald Hans H. Dürr Thorben Amann Philippe Ciais Tom Gleeson Michel Meybeck A. Joshua West
Journals: Biogeosciences (12 papers)Chemical Geology (11 papers)Sensors and Actuators B Chemical (9 papers)Review of Scientific Instruments (5 papers)Environmental Research Letters (5 papers)
Partner nations: Germany United States France

In The Last Decade

Jens Hartmann

186 papers receiving 13.4k citations

Hit Papers

8 papers align trajectories log scale

Substantial decrease in CO2 emissions from Chinese inland waters due to global change 2021 · 157 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.

2021 Nature Communications
2020 Hydrogeology Journal
2019 Nature Climate Change
2018 Environmental Research Letters
2018 Environmental Research Letters
2013 Reviews of Geophysics
2013 Nature
2012 Geochemistry Geophysics Geosystems

Peers

Countries citing papers authored by Jens Hartmann

Since Specialization

Citations

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

Fields of papers citing papers by Jens Hartmann

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authors

The 25 scholars most cited alongside Jens Hartmann, 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 Jens Hartmann Line = papers co-authored together Jens Hartmann links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

#	Work
1	Assessing the hydrothermal influence on natural waters in the Kirishima Volcanic Complex: Insights from rivers, springs and groundwater with varying residence time Chemical Geology ·Gibran Romero‐Mujalli, Jens Hartmann, Takahiro Hosono, D.M. de Jong, Thorben Amann, Pascale Louvat	2025	0
2	Process modelling and analysis of ikaite production for atmospheric CO2 removal through ocean alkalinity enhancement Process Safety and Environmental Protection ·Xuesong Lu, Syahirah Ahmad Affandi, gustaphe, Aidong Yang, Spyros Foteinis, Thao Hoang Nguyen, Phil Renforth, Jangy Salaye, Jens Hartmann	2025	0
3	Ocean alkalinity enhancement in an open-ocean ecosystem: biogeochemical responses and carbon storage durability Biogeosciences ·A. J. Paul, Mathias Haunost, Silvan Urs Goldenberg, Jens Hartmann, E MERKLE, A. Arnau, G. Casarini, Ulf Riebesell	2025	2
4	Stability of alkalinity in the land-ocean transition zone: a geochemical CDR perspective for the Elbe River, Germany SHILAP Revista de lepidopterología ·G Desthieux, Jens Hartmann, G. Casarini, Thorben Amann, Stephan Kempe, R. H. SMITH, Imene Bennamane	2025	0
5	How earthworms thrive and drive silicate rock weathering in an artificial organo-mineral system Applied Geochemistry ·Qing Yao, JIAO Xiao-Ling, Alix Vidal, Jan Willem van Groenigen, Tim Verdonck, Ahmad Hadaegh, Jens Hartmann, Anna Neubeck, 礼木村, 博俊池田, Hossein Mohagheghi, D Armstrong, Abhijeet Singh, SERPIL OPPERMANN, Siegfried E. Vlaeminck, Sara Vicca, Mathilde Hagens	2024	4
6	Marine carbon dioxide removal by alkalinization should no longer be overlooked Environmental Research Letters ·Hans O. Gerz, Thorben Amann, Jessica Strefler, L. P. Mikheeva, Jens Hartmann, K. Cenzual, Phil Renforth, Spyros Foteinis, Elmar Kriegler	2024	3
7	The Earth system model CLIMBER-X v1.0 – Part 2: The global carbon cycle Geoscientific model development ·Matteo Willeit, Tatiana Ilyina, Athanasios Dafnis, Christoph Heinze, Mahé Perrette, Malte Heinemann, Daniela Dalmonech, Victor Brovkin, Guy Munhoven, Janine Börker, Jens Hartmann, Gibran Romero‐Mujalli, Andrey Ganopolski	2023	11
8	Alkalinity responses to climate warming destabilise the Earth’s thermostat Nature Communications ·Keddy Martin, Tobias Stacke, E.V. Popelnitsky, Hugues Lantuit, John Gosse, R. Adatto, Jens Hartmann, Helmuth Thomas	2023	11
9	Alkalinity generation from carbonate weathering in a silicate-dominated headwater catchment at Iskorasfjellet, northern Norway Biogeosciences ·Keddy Martin, Hugues Lantuit, Michael E. Böttcher, Jens Hartmann, Thamires Barbara Cardoso da Silva, Helmuth Thomas	2023	13
10	A high-speed variable-temperature ultrahigh vacuum scanning tunneling microscope with spiral scan capabilities Review of Scientific Instruments ·Zechao Yang, Kayla Noel, X.P. Brannmjk N. Rocoby, Brook Henderson, 實鎌田, Mutuga Bienfait Byenda, Jens Hartmann, 유미향, Heinz Junkes, Markus Heyde, Hans‐Joachim Freund	2022	5
11	Magneli-type tungsten oxide nanorods as catalysts for the selective oxidation of organic sulfides Dalton Transactions ·Е.Д. Герасимова, Jens Hartmann, Mark-Steven Braun, Martin Panthöfer, Mihail Mondeshki, Wolfgang Tremel	2021	6
12	A Generalized Method for High‐Speed Fluorination of Metal Oxides by Spark Plasma Sintering Yields Ta₃O₇F and TaO₂F with High Photocatalytic Activity for Oxygen Evolution from Water Advanced Materials ·Martin Lange, Ibrahim Khan, Deribew Girma-Tola, Jens Hartmann, Muhammad Ashraf, Ahsanulhaq Qurashi, Michael J Brockman, Martin Panthöfer, B. Mahraam, Yanhua Nie, دکتر سکینه آرامی, Marcus von der Au, Björn Meermann, Mihail Mondeshki, Muhammad Nawaz Tahir, Wolfgang Tremel	2021	28
13	Development of a single crystal sample holder for interfacing ultrahigh vacuum and electrochemical experimentation Review of Scientific Instruments ·Jared P. Bruce, Nerio Jorge Callañaupa Escobar, Fabian Scholten, Rosa M. Arán‐Ais, Juan J. Navarro, Jens Hartmann, Markus Heyde, Beatriz Roldán Cuenya	2021	4
14	Solid State Fluorination on the Minute Scale: Synthesis of WO₃₋_xF_x with Photocatalytic Activity Advanced Functional Materials ·Martin Lange, Yaşar Krysiak, Jens Hartmann, Georg F. Dewald, Giacomo Cerretti, Muhammad Nawaz Tahir, Martin Panthöfer, Bastian Barton, Tobias Reich, Wolfgang G. Zeier, Mihail Mondeshki, Ute Kolb, Wolfgang Tremel	2020	14
15	Nanocomposite antimicrobials prevent bacterial growth through the enzyme-like activity of Bi-doped cerium dioxide (Ce_1−xBi_xO_2−δ) Nanoscale ·Hajo Frerichs, Jamie Hope, Felix Pfitzner, Tobias Reich, F.K. Berrien, Martin Panthöfer, Jens Hartmann, И. С. Буракова, Ralf Heermann, Wolfgang Tremel	2020	29
16	Molecular beam/infrared reflection-absorption spectroscopy apparatus for probing heterogeneously catalyzed reactions on functionalized and nanostructured model surfaces Review of Scientific Instruments ·Smadar Attia, Koutouan Désiré Martial ABRO, Jens Hartmann, Hans‐Joachim Freund, Swetlana Schauermann	2019	20
17	A review of CO₂ and associated carbon dynamics in headwater streams: A global perspective Reviews of Geophysics ·Anne Marx, Jaromír Dušek, Jakub Jankovec, Martin Šanda, Tomáš Vogel, Robert van Geldern, Jens Hartmann, Johannes A. C. Barth	2017	254
18	A Global Data Analysis for Representing Sediment and Particulate Organic Carbon Yield in Earth System Models Water Resources Research ·Zeli Tan, L. Ruby Leung, Hong‐Yi Li, T. K. Tesfa, Matthias Vanmaercke, Jean Poesen, Xuesong Zhang, Hui Lü, Jens Hartmann	2017	21
19	Spatial patterns in CO ₂ evasion from the global river network Global Biogeochemical Cycles ·Ronny Lauerwald, Goulven G. Laruelle, Jens Hartmann, Philippe Ciais, Pierre Regnier	2015	252
20	Climate‐driven changes in chemical weathering and associated phosphorus release since 1850: Implications for the land carbon balance Geophysical Research Letters ·Daniel S. Goll, Nils Moosdorf, Jens Hartmann, Victor Brovkin	2014	39

About Jens Hartmann

Jens Hartmann is a scholar working on Geochemistry and Petrology, Environmental Chemistry, Oceanography, Environmental Engineering and Atmospheric Science, having authored 196 papers that have together received 13.8k indexed citations. Recurring topics across this work include Groundwater and Isotope Geochemistry (44 papers), Geology and Paleoclimatology Research (30 papers), CO2 Sequestration and Geologic Interactions (29 papers), Marine and coastal ecosystems (26 papers), Methane Hydrates and Related Phenomena (25 papers), Geochemistry and Elemental Analysis (18 papers), Soil and Water Nutrient Dynamics (16 papers) and Atmospheric and Environmental Gas Dynamics (16 papers). The work is most often cited by research in Geochemistry and Petrology (2.6k citations), Environmental Chemistry (2.8k citations), Oceanography (3.1k citations), Environmental Engineering (3.0k citations) and Water Science and Technology (2.1k citations). Jens Hartmann has collaborated with scholars based in Germany, United States and France. Frequent co-authors include Nils Moosdorf, Ronny Lauerwald, Hans H. Dürr, Thorben Amann, Philippe Ciais, Tom Gleeson, Michel Meybeck, A. Joshua West, David Butman and Peter A. Raymond. Their work appears in journals such as Biogeosciences, Chemical Geology, Sensors and Actuators B Chemical, Review of Scientific Instruments and Environmental Research Letters.

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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