Results 11 to 20 of about 2,378,789 (268)

Nitrogen isotopes reveal a particulate-matter-driven biogeochemical reactor in a temperate estuary [PDF]

Biogeosciences, 2022
Estuaries and rivers are important biogeochemical reactors that act to modify the loads and composition of nutrients in the coastal zone. In a case study during July 2013, we sampled an 80 km transect along the Elbe Estuary under low-oxygen conditions ...
K. Dähnke, T. Sanders, Y. Voynova, S. D. Wankel   +3 more
doaj   +1 more source

Mesoscale Advective and Biological Processes Alter Carbon Uptake Capacity in a Shelf Sea

Frontiers in Marine Science, 2022
Marine uptake of carbon dioxide reduces the accumulation of carbon dioxide in the atmosphere. Continental shelf seas are essential for carbon uptake from the atmosphere, but are also highly variable environments, for which uncertainties of carbon budget ...
Vlad A. Macovei, Ulrich Callies, Paulo H. R. Calil, Yoana G. Voynova   +3 more
doaj   +1 more source

Correction of inter-mission inconsistencies in merged ocean colour satellite data

Frontiers in Remote Sensing, 2022
Consistency in a time series of ocean colour satellite data is essential when determining long-term trends and statistics in Essential Climate Variables.
Marit van Oostende, Martin Hieronymi, Hajo Krasemann, Burkard Baschek, Rüdiger Röttgers   +4 more
doaj   +1 more source

Efficient use of cement and concrete to reduce reliance on supply-side technologies for net-zero emissions

Nature Communications, 2022
A new study finds supply-side efforts alone are unlikely to lead to net-zero emissions across the cement and concrete cycle by 2050, advocating for more efficient use of cement and concrete in the built environment and more strategic options for ...
Takuma Watari, Zhi Cao, Sho Hata, Keisuke Nansai   +3 more
doaj   +1 more source

NIR-MFCO dataset: Near-infrared-based false-color images of post-consumer plastics at different material flow compositions and material flow presentations

Data in Brief, 2023
Determining mass-based material flow compositions (MFCOs) is crucial for assessing and optimizing the recycling of post-consumer plastics. Currently, MFCOs in plastic recycling are primarily determined through manual sorting analysis, but the use of ...
Nils Kroell, Xiaozheng Chen, Abtin Maghmoumi, Julius Lorenzo, Matthias Schlaak, Christian Nordmann, Bastian Küppers, Eric Thor, Kathrin Greiff   +8 more
doaj   +1 more source

A multi-site study of the relationship between photoperiod and ovulation rate using Natural Cycles data

Scientific Reports, 2023
Many species exhibit seasonal patterns of breeding. Although humans can shield themselves from many season-related stressors, they appear to exhibit seasonal patterns of investment in reproductive function nonetheless, with levels of sex steroid hormones
Divya Shanmugam, Matthew Espinosa, Jeffrey Gassen, Agathe van Lamsweerde, Jack T. Pearson, Eleonora Benhar, Sarah Hill   +6 more
doaj   +1 more source

Alkalinity and nitrate dynamics reveal dominance of anammox in a hyper-turbid estuary [PDF]

Biogeosciences, 2023
Total alkalinity (TA) regulates the oceanic storage capacity of atmospheric CO2. In heterotrophic temperate estuaries, anaerobic respiration of organic matter, e.g., by denitrification, can be an important source of TA.
M. Norbisrath, M. Norbisrath, A. Neumann, K. Dähnke, T. Sanders, A. Schöl, J. E. E. van Beusekom, H. Thomas, H. Thomas   +8 more
doaj   +1 more source

Analysis of Control-System Strategy and Design of a Small Modular Reactor with Different Working Fluids for Electricity and Hydrogen Production as Part of a Decentralised Mini Grid

Energies, 2022
Hydrogen is increasingly being viewed as a significant fuel for future industrial processes as it offers pathways to zero emission. The UK sees hydrogen as one of a handful of low-carbon solutions for transition to net zero.
Arnold Gad-Briggs, Emmanuel Osigwe, Soheil Jafari, Theoklis Nikolaidis   +3 more
doaj   +1 more source

Suspended particulate matter drives the spatial segregation of nitrogen turnover along the hyper-turbid Ems estuary [PDF]

Biogeosciences, 2022
Estuaries are nutrient filters and change riverine nutrient loads before they reach coastal oceans. Their morphology have been extensively changed by anthropogenic activities like draining, deepening and dredging to meet economic and social demand ...
G. Schulz, G. Schulz, T. Sanders, J. E. E. van Beusekom, J. E. E. van Beusekom, Y. G. Voynova, A. Schöl, K. Dähnke   +7 more
doaj   +1 more source

Salvatore Biasco e le interdipendenze economiche e politiche

Moneta e Credito, 2023
Questo tributo commemora Salvatore Biasco, illustre collega e amico della rivista. I molteplici contributi di Biasco hanno spaziato dall’economia internazionale alla finanza, passando per l’impegno politico in prima persona.
Carlo D'Ippoliti, Alessandro Roncaglia
doaj   +1 more source