Potential Technosignature from Anomalously Low Deuterium/Hydrogen in Planetary Water Depleted by Nuclear Fusion Technology by David C. Catling, Joshua Krissansen-Totton, Tyler D. Robinson

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Gamma spectrometric analysis of lower Danube samples from Romania by Pojar Vintila Iulian, Ujeniuc Sorin, Catianis Irina, Alexandrescu Bogdan, Scrieciu Albert M., Vasilca Silvana, Suvaila Rares

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The sensitivity of reconstructed carbon dioxide concentrations to stomatal preparation methods using a leaf gas exchange model by Michael D. Machesky, Nathan D. Sheldon, Michael T. Hren, Selena Y. Smith

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Impact of climate and human-induced fire on the Dongyuan Lake, Southern Taiwan during the last 1850 cal years BP by Abdur Rahman, Liang-Chi Wang, Neng-Ti Yu, Jiun-Yee Yen

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Alimentation d’une population historique by Estelle Herrscher

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Reconstruction of drought and long-rain chronologies since the 17th century in central Japan using intra-annual tree-ring oxygen isotope ratios and documentary records by H. Iizuka, K. Sho, Z. Li, M. Sano, Y. Kato, T. Nakatsuka

“…<p>Oxygen isotope ratios (<span class="inline-formula"><i>δ</i>¹⁸O</span>) of tree-ring cellulose and historical documentary records are widely used to explore the hydroclimatic conditions of the past. …”
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Chemistry Combining Elemental Profile, Stable Isotopic Ratios, and Chemometrics for Fine Classification of a Chinese Herb Licorice (Glycyrrhiza uralensis Fisch.) from 37 Producing Area by Zhongying Lu, Chengying Hai, Simin Yan, Lu Xu, Daowang Lu, Yixin Sou, Hengye Chen, Xiaolong Yang, Haiyan Fu, Jian Yang

“…A method based on elemental fingerprint, stable isotopic analysis and combined with chemometrics was proposed to trace the geographical origins of Licorice (Glycyrrhiza uralensis Fisch) from 37 producing areas. …”
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Origin and Evolution of the Ore-Forming Fluids in the Liyuan Gold Deposit, Central North China Craton: Constraints from Fluid Inclusions and H-O-C Isotopic Compositions by Ying Ma, Suo-Fei Xiong, Hua-Liang Li, Shao-Yong Jiang

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A New Approach to Determine the Total Airborne N Input into the Soil/Plant System Using 15N Isotope Dilution (ITNI): Results for Agricultural Areas in Central Germany by Rolf W.B. Russow, Frank Bahme, Heinz-Ulrich Neue

“…Therefore, a new system was developed using 15N isotope dilution methodology to measure the actual total atmospheric N input into a soil/plant system (Integrated Total Nitrogen Input, ITNI). …”
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The impact of air pollution control measures and the COVID-19 pandemic on photosynthesis in urban trees by Takumi Matsuura, Yousuke Okamoto, Mayu Matsumoto, Takashi Kiyomizu, Luisa Kumpitsch, Atsushi Kume, Yuko T. Hanba

Subjects: “…Stable carbon isotope ratio…”
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The Metallogeny of the Tieling Cu-Mo Porphyry Deposit in Eastern Tianshan, NW China: New Insights from Zircon U-Pb, Fluid Inclusion, and H-O-S Stable Isotope Analyses by Ping Li, Ting Liang, Fan Huang, Tongyang Zhao, Zhixin Zhu, Yong Li, Jing Feng, Lei He

“…The sulfur isotope compositions indicate that the ore-forming materials were mainly derived from the Late Carboniferous felsic magma. …”
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Spatiotemporal variability of groundwater chemistry, source identification and health risks in the southern Chinese Loess Plateau by Zijun Li, Qingchun Yang, Chuan Xie, Hongyun Ma, Bin Wu, Yanli Wang

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Short-term seismic precursor anomalies in hydrogen concentration at fault gas stations along the Northern Margin Fault of the Yanqing Basin of Beijing, China by Mingbo Yang, Guiping Liu, Yuxuan Chen, Peixue Hua, Leyin Hu, Zhiguo Wang, Shanshan Wang, Xiaoru Sun, Yonggang Zhou, Haichun Zhang, Gang Feng, Xiang Gao, Yuqi Zhang

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Apatite textural and geochemical insights into the petrogenesis of intrusive rocks by Haina Li, Jun Han, Fengli Li, Heyang Li, Zhonghai Zhao, Yang Liu, Jiayu Chen, Yechang Yin, Yu Han

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A simple and highly efficient protocol for 13C-labeling of plant cell wall for structural and quantitative analyses via solid-state nuclear magnetic resonance by Tasleem Javaid, Akshayaa Venkataraghavan, Matrika Bhattarai, Debkumar Debnath, Wancheng Zhao, Tuo Wang, Ahmed Faik

Subjects: “…Stable isotope labeling…”
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Drivers of winter ice formation on Arctic water bodies in the Lena Delta, Siberia by Martha Lütjen, Pier Paul Overduin, Bennet Juhls, Julia Boike, Anne Morgenstern, Hanno Meyer

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Heat Recovery Potential and Hydrochemistry of Mine Water Discharges From Scotland’s Coalfields by David B. Walls, David Banks, Tatyana Peshkur, Adrian J. Boyce, Neil M. Burnside

Subjects: “…isotopes…”
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Research Progress on the Application of Elemental Fingerprinting in Tea Origin Traceability and the Influencing Factors Thereof by LI Yanlong, QIAN Lili, CHEN Mingming, SONG Yan, LIU Yi, WANG Yongsheng, LIU Hongyan

Subjects: “…tea; stable isotopes; mineral elements; elemental fingerprinting; origin traceability…”
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Genetic classification and geochemical evaluation of Upper Cretaceous carbonate reservoir oils in Dezful Embayment and Abadan Plain, SW Iran by Hossein Saadati, Ali Kadkhodaie, Mehrab Rashidi, Hossein Bahrami, Hashem Sarafdokht, Dmitriy A. Martyushev, Amir Abbass Jahangard

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Dietary Shifts Among the Developmental Stages of the Ectoparasite, Argulus japonicus (Crustacea; Branchiura), Mirror Ontogeny as Shown Through Differences in Stable Isotope Ratios of Carbon (δ13C) and Nitrogen (δ15N) by Beric M. Gilbert, Milen Nachev, Bernd Sures, Annemariè Avenant‐Oldewage

“…ABSTRACT Food web architecture and trophic interactions between organisms can be studied using ratios of naturally occurring stable isotopes of carbon (13C/12C) and nitrogen (15N/14N). …”
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