Results 41 to 50 of about 198,347 (304)

Livestock methane emissions in the United States [PDF]

Proceedings of the National Academy of Sciences, 2014
The recent study by Miller et al. (1) provides a comprehensive, quantitative analysis of anthropogenic methane sources in the United States using atmospheric methane observations, spatial datasets, and a high-resolution atmospheric transport model.
Hristov, Alexander N, Johnson, Kristen A, Kebreab, Ermias   +2 more
openaire   +4 more sources

Effects of seasonal inundation on methane fluxes from forested freshwater wetlands

Environmental Research Letters, 2021
Methane emissions from small freshwater ecosystems represent one of the largest components of uncertainty in the global methane budget. While these systems are known to produce large amounts of methane relative to their size, quantifying the timing ...
Kelly L Hondula, C Nathan Jones, Margaret A Palmer   +2 more
doaj   +1 more source

Tree-mediated methane emissions from tropical and temperate peatlands [PDF]

, 2012
Methane production and transport processes in peatlands are fairly well understood, but growing evidence for emission of methane through trees has highlighted the need to revisit methane transport processes.
Gauci, V., Gowing, D. J., Hornibrook, E. R. C., Pangala, S. R.   +3 more
core  

Effect of Carex rostrata on seasonal and interannual variability in peatland methane emissions [PDF]

, 2014
Peatlands are a large natural source of atmospheric methane (CH4), and the sedge Carex rostrata plays a critical role in the production, oxidation, and transport of CH4 in these systems.
Bubier, Jill L., Frolking, Steve, Noyce, Genevieve L, Varner, Ruth   +3 more
core   +2 more sources

Photoswitching Conduction in Framework Materials

Advanced Functional Materials, EarlyView.
This mini‐review summarizes recent advances in state‐of‐the‐art proton and electron conduction in framework materials that can be remotely and reversibly switched on and off by light. It discusses the various photoswitching conduction mechanisms and the strategies employed to enhance photoswitched conductivity.
Helmy Pacheco Hernandez, Stefan Hecht, Wolfgang Wenzel, Lars Heinke, Mariana Kozlowska   +4 more
wiley   +1 more source

Evening Methane Emission Pulses from a Boreal Wetland Correspond to Convective Mixing in Hollows [PDF]

, 2013
Spatial and temporal heterogeneity of methane flux from boreal wetlands makes prediction and up-scaling challenging, both within and among wetland systems.
McNamara, Patrick J
core   +1 more source

Auto‐Generated Valence States in Electrocatalysts for Boosting Oxygen and Hydrogen Evolution Kinetics in Alkaline Water/Alkaline Seawater/Simulated Seawater/Natural Seawater

Advanced Functional Materials, EarlyView.
This review systematically highlights the latest achievements in mixed‐valence states relevant to hydrogen and oxygen evolution reactions, providing essential insights into future directions and methods for large‐scale practical implementation. This critical review is expected to provide an overview of recent advancements in diverse valence‐state metal
Jitendra N. Tiwari, Gokul Bhaskaran, Krishan Kumar, Yun Suk Huh, Young‐Kyu Han   +4 more
wiley   +1 more source

Low methane emissions from Australian estuaries influenced by geomorphology and disturbance

Communications Earth & Environment
Estuaries are a globally important source of methane, but little is known about Australia’s contributions to global estuarine methane emissions. Here we present a first-order Australia-wide assessment of estuarine methane emissions, using methane ...
Jacob Z.-Q. Yeo, Judith A. Rosentreter, Joanne M. Oakes, Bradley D. Eyre   +3 more
doaj   +1 more source

Covalent Organic Frameworks for Photocatalytic CO2 Reduction: Metal Integration Principles, Strategies and Functions

Advanced Functional Materials, EarlyView.
Covalent organic frameworks (COFs) with metals have been recognized as versatile platforms for photocatalytic CO2 reduction (CO2PRR). Herein, an overview of metal integration strategies for COFs is systematically summarized. Regulatory mechanisms and structure–activity relationships between metal integration and COF‐based CO2PRR are emphasized.
Jie He, Minxian Zhang, Jinqiang Zhang, Hongqi Sun, Shaobin Wang, Xiaoguang Duan   +5 more
wiley   +1 more source

Methane emissions from riverine ecosystems in the Yangtze River basin are driven by ebullition rather than diffusion

Communications Earth & Environment
Quantifying methane emissions from riverine ecosystems is crucial for optimizing greenhouse gas control strategies. However, partitioning methane emissions between diffusion and ebullition pathways remains insufficiently investigated.
Xiuyuan Chen, Fuhong Sun, Jiayue Li, Ziteng Wang, Yiding Guo, Nannan Huang, Qianyu Zhao, Fengchang Wu   +7 more
doaj   +1 more source