2026 Claudia I. Czimczik: Environmental Sciences Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Environmental Sciences	42	7255	6975	2580	2403	171	14469

Research.com Recognitions

2013 - Hellman Fellow

Overview

Claudia I. Czimczik is affiliated with the University of California, Irvine in the United States. Their research primarily focuses on environmental science and earth and planetary sciences, with a strong emphasis on atmospheric science and global and planetary change.

The scientist's recent publications reflect diverse areas within environmental and atmospheric research. Key papers include:

Assessing the Potential for Mobilization of Old Soil Carbon After Permafrost Thaw: A Synthesis of ¹⁴C Measurements From the Northern Permafrost Region (2020, Global Biogeochemical Cycles)
Fossil-driven secondary inorganic PM2.5 enhancement in the North China Plain: Evidence from carbon and nitrogen isotopes (2020, Environmental Pollution)
Do recent NDVI trends demonstrate boreal forest decline in Alaska? (2020, Environmental Research Letters)
Seasonal fluctuation of nonstructural carbohydrates reveals the metabolic availability of stemwood reserves in temperate trees with contrasting wood anatomy (2020, Tree Physiology)
Closing the Winter Gap-Year-Round Measurements of Soil CO₂ Emission Sources in Arctic Tundra (2022, Geophysical Research Letters)

Their frequent coauthors include Xiaomei Xu, Allison Welch, S. Pedron, Hui Wang, and Alex Guenther, indicating collaborative engagement across multiple studies.

The scientist has published frequently in the following venues:

Zenodo (CERN European Organization for Nuclear Research)
Environmental Research Letters
Journal of Geophysical Research Atmospheres
Geophysical Research Letters
AGU Advances

Main fields of study consist of Environmental Science and Earth and Planetary Sciences, while subfields include Atmospheric Science, Global and Planetary Change, Health, Toxicology and Mutagenesis, Ecology, and Plant Science.

Topics addressed in their research cover atmospheric and environmental gas dynamics, atmospheric chemistry and aerosols, climate change and permafrost, fire effects on ecosystems, geology and paleoclimatology research, air quality and health impacts, and cryospheric studies and observations.

In 2013, Claudia I. Czimczik was recognized as a Hellman Fellow, an award acknowledging their contributions to the field.

Best Publications

Drought sensitivity of the Amazon rainforest.

Oliver L. Phillips;Luiz E. O. C. Aragão;Simon L. Lewis;Joshua B. Fisher

2086
Citations
Nonstructural carbon in woody plants.

Michael C. Dietze;Anna Sala;Mariah S. Carbone;Claudia I. Czimczik

834
Citations
Basin-wide variations in Amazon forest structure and function are mediated by both soils and climate

C. A. Quesada;C. A. Quesada;O. L. Phillips;M. Schwarz;C. I. Czimczik

729
Citations
The above-ground coarse wood productivity of 104 Neotropical forest plots

Yadvinder Malhi;Timothy R. Baker;Timothy R. Baker;Oliver L. Phillips;Samuel Almeida

690
Citations
Soils of Amazonia with particular reference to the RAINFOR sites

C. A. Quesada;C. A. Quesada;J. Lloyd;J. Lloyd;L. O. Anderson;N. M. Fyllas

613
Citations
Variations in chemical and physical properties of Amazon forest soils in relation to their genesis

C. A. Quesada;J. Lloyd;M. Schwarz;S. Patiño;S. Patiño

595
Citations
Pattern and process in Amazon tree turnover, 1976-2001.

O. L. Phillips;T. R. Baker;T. R. Baker;L. Arroyo;N. Higuchi

576
Citations
Microbial activity and soil respiration under nitrogen addition in Alaskan boreal forest

Steven D. Allison;Claudia I. Czimczik;Kathleen K. Treseder

534
Citations
Stability of Biochar in Soil

Johannes Lehmann;Claudia Czimczik;David Laird;Saran Sohi

478
Citations
Controls on black carbon storage in soils

Claudia I. Czimczik;Caroline A. Masiello

473
Citations
Comparative analysis of black carbon in soils

Michael W. I. Schmidt;Jan O. Skjemstad;Claudia I. Czimczik;Bruno Glaser

467
Citations
Seasonal dynamics and age of stemwood nonstructural carbohydrates in temperate forest trees

Andrew D. Richardson;Mariah S. Carbone;Trevor F. Keenan;Claudia I. Czimczik

445
Citations
Large loss of CO2 in winter observed across the northern permafrost region

Susan M. Natali;Jennifer D. Watts;Brendan M. Rogers;Stefano Potter

379
Citations
Expert assessment of vulnerability of permafrost carbon to climate change

E. A. G. Schuur;B. W. Abbott;W. B. Bowden;V. Brovkin

375
Citations
Effects of charring on mass, organic carbon, and stable carbon isotope composition of wood

Claudia I. Czimczik;Caroline M. Preston;Michael W.I. Schmidt;Roland A. Werner

358
Citations
An Uncertain Future for Soil Carbon

Susan E. Trumbore;Claudia I. Czimczik

310
Citations
Age, allocation and availability of nonstructural carbon in mature red maple trees.

Mariah S. Carbone;Claudia I. Czimczik;Trevor F. Keenan;Paula F. Murakami

257
Citations
Ecosystem‐level controls on root‐rhizosphere respiration

Francesca Hopkins;Miquel A. Gonzalez-Meler;Charles E. Flower;Douglas J. Lynch

254
Citations
How surface fire in Siberian Scots pine forests affects soil organic carbon in the forest floor: Stocks, molecular structure, and conversion to black carbon (charcoal)

Claudia I. Czimczik;Caroline M. Preston;Michael W. I. Schmidt;Ernst-Detlef Schulze

241
Citations
Carbon sequestration and greenhouse gas emissions in urban turf

Amy Townsend-Small;Claudia I. Czimczik

241
Citations
Stability of Biochar in the Soil

Johannes Lehmann;C. I. Czimczik;David Laird;Saran Sohi

140
Citations

Frequent Co-Authors

Guaciara M. Santos University of California, Irvine

Jeffrey M. Welker University of Oulu

Carlos A. Quesada National Institute of Amazonian Research

Susan E. Trumbore Max Planck Institute for Biogeochemistry

James T. Randerson University of California, Irvine

Timothy R. Baker University of Leeds

Michael Schwarz Flinders University

Andrew D. Richardson Northern Arizona University

Nigel C. A. Pitman Field Museum of Natural History

Yadvinder Malhi University of Oxford

External Links

Personal website of Claudia I. Czimczik

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