Scientific data · 2026

Depth-resolved carbon dioxide and methane concentrations in 522 lakes, ponds, and reservoirs worldwide.

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Rabaey Joseph S, Lewis Abigail S L, Attermeyer Katrin, Aurich Patrick, Bansal Sheel, Bartosiewicz Maciej, Bertolet Brittni L, Bussmann Ingeborg, Cadieux Sarah B, Calamita Elisa, Capelli Camilla, Carey Cayelan C, Cillero Carmen, Clayer Francois, D'Ambrosio Sofia L, Davidson Thomas A, Deemer Bridget R, Denfeld Blaize A, Eckert Werner, Esposito Chiara, Ford Phillip, Gorsky Adrianna, Griffiths Natalie A, Grossart Hans-Peter F, Hamilton David P, Holgerson Meredith A, Huser Brian J, Iwata Tomoya, Jansen Joachim, Jones Stuart E, Juutinen Sari, Kortelainen Pirkko, Koschorreck Matthias, Kragh Theis, Laas Alo, Larmola Tuula, Läubli Saskia, Laurion Isabelle, Lehmann Moritz F, Liu Liu, Martikainen Pertti J, Matoušů Anna, McCord Stephen A, Montes-Pérez Jorge J, Nizzoli Daniele, Ordóñez César, Peacock Mike, Pilla Rachel M, Prėskienis Vilmantas, Pu Junbing, Riis Tenna, Saarela Taija, Santoso Arianto B, Schubert Carsten J, Sepulveda-Jauregui Armando, Sherman Bradford S, Sø Jonas S, Stenehjem Katherine J, Strock Kristin E D, Tsuchiya Kenji, Wendt-Potthoff Katrin, Weyhenmeyer Gesa A, Znachor Petr, Zopfi Jakob

Аннотация

Lakes, ponds, and reservoirs (hereafter: "lakes") are important sources of the greenhouse gases carbon dioxide (CO2) and methane (CH4). Emissions of CO2 and CH4 from lakes are regulated in part by in-lake processes, including the production and storage of gases in the lower parts of the water column (bottom waters). However, while substantial efforts have been made to improve estimates of greenhouse gas emissions from lakes, limited data on gas concentrations along depth profiles have prevented the incorporation of bottom-water processes in global emission estimates. Here, we present GHG-depths: the largest existing dataset of depth-profile CO2 and CH4 measurements worldwide, including 522 lakes across 38 countries and all seven continents. These data include contributions from 45 research teams and 56 published studies, totaling 2558 discrete sampling events. As global change continues to alter biogeochemical cycling in lakes, these data can help improve mechanistic models to better predict greenhouse gas production and emission from lakes worldwide.

Depth-resolved carbon dioxide and methane concentrations in 522 lakes, ponds, and reservoirs worldwide.

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Аннотация