Results 151 to 160 of about 324,903 (339)

Functional group contributions to carbon fluxes in arctic-alpine ecosystems

open access: yesArctic, Antarctic, and Alpine Research, 2019
Ongoing responses to climate change in arctic-alpine ecosystems, including the increasing dominance of deciduous shrubs, involve major shifts in plant functional group composition.
G. Richard Strimbeck   +3 more
doaj   +1 more source

Biophysical controls on net ecosystem CO2 exchange over a semiarid shrubland in northwest China

open access: yes, 2014
The carbon (C) cycling in semiarid and arid areas remains largely unexplored, despite the wide distribution of drylands globally. Rehabilitation practices have been carried out in many desertified areas, but information on the C se- questration capacity ...
Xin Jia   +9 more
semanticscholar   +1 more source

Decoding Short‐Range Order in Amorphous Two‐Dimensional Nanosheets for Efficient and Durable Ampere‐Level Seawater Electrolysis: A Case Study of Amorphous Ni(OH)2

open access: yesAdvanced Energy Materials, EarlyView.
This work uncovers the atomic‐scale origins of exceptional HER performance in amorphous Ni(OH)2 nanosheets by combining atom probe tomography, DFT simulations, and operando spectroscopy. We identify distinct short‐range‐order motifs that accelerate water dissociation, proton transport, and hydrogen adsorption. Embedding Pt single atoms further enhances
Xin Geng   +4 more
wiley   +1 more source

Bio‐Inspired Cascade Photocatalysis on Fe Single‐Atom Carbon Nitride Upcycles Plastic Wastes for Effective Acetic Acid Production

open access: yesAdvanced Energy Materials, EarlyView.
This work demonstrates a novel cascade photocatalysis concept using Fe single‐atom catalysts (Fe@C3N4 SAC) to directly upcycle plastics (PET, PP, PE, PVC) into valuable acetic acid at ambient conditions. Inspired by microbial degradation, the bifunctional cascade photocatalyst combines Fenton‐like oxidation and CO2 photoreduction, as validated by ...
Wei Wei   +21 more
wiley   +1 more source

Grazing decreases net ecosystem carbon exchange by decreasing shrub and semi‐shrub biomass in a desert steppe

open access: yesEcology and Evolution
Livestock grazing can strongly determine how grasslands function and their role in the carbon cycle. However, how ecosystem carbon exchange responds to grazing and the underlying mechanisms remain unclear.
Xin Ju   +5 more
doaj   +1 more source

Snow damage strongly reduces the strength of the carbon sink in a primary subtropical evergreen broadleaved forest

open access: yesEnvironmental Research Letters, 2017
A primary subtropical evergreen broadleaved forest in southwest China experienced a particularly extreme snowfall event during January 2015. The 2015 event enabled the quantification of the impact of the extreme meteorological event on the forest carbon ...
Qing-Hai Song   +9 more
doaj   +1 more source

Net ecosystem exchange, gross primary production, ecosystem respiration and net biome production of full crop rotations in Europe

open access: yes, 2009
Crop rotations are important elements of agricultural management in many regions of Europe. Since the different crops result in different carbon input into the soils, a realistic carbon balance for agricultural ecosystems under crop rotation can only be derived when a full rotation is considered.
Kutsch, W. L.   +6 more
openaire   +1 more source

Towards Climate Neutrality by 2050: Role of Aluminum for Short‐ and Long‐Term Energy and Hydrogen Storage

open access: yesAdvanced Energy Materials, EarlyView.
The Aluminum energy storage cycle involves the use of renewable energy for Al production and the generation of heat (dry cycle) and heat and H2 (wet cycle) for energy production via Al‐steam combustion. ABSTRACT Reaching climate neutrality by 2050 requires innovative long‐term energy storage (LTES) solutions beyond the current use of fossil fuels ...
Lorenzo Trombetti   +2 more
wiley   +1 more source

Predicting Net Ecosystem Carbon Exchange of Typical Forest Ecosystems in China Based on ChinaFLUX

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
Abstract. Accurate prediction of forest carbon sinks is crucial for achieving carbon neutrality, peak carbon emissions goals, and advancing the Sustainable Development Goals (SDGs). Due to the complexity of forest ecosystems and the limited application and accessibility of ChinaFLUX observation data, previous studies generating Net Ecosystem Exchange ...
Jingjing Wu   +3 more
openaire   +2 more sources

Design Matters: How Cell Architecture Shapes the Performance, Cost, and Environmental Impact of Battery Technologies

open access: yesAdvanced Energy Materials, EarlyView.
This study introduces a multidimensional framework integrating electrical performance, cost, and life cycle assessment for 140 real and virtual battery cells. Results show that LFP offers low emissions and costs, sodium‐ion excels in resource efficiency, and pouch housings and higher energy densities effectively reduce environmental burdens.
Nicolas Peter Kaiser   +7 more
wiley   +1 more source

Home - About - Disclaimer - Privacy