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1,018 results for “past”
Re-aware Global Ocean Deoxygenation During the Past 140 Years
<p>The intensifying global ocean deoxygenation has significant impacts on the oceanic ecological equilibrium. Gaps persist in understanding the dynamic evolution of global ocean oxygen throughout the 20th century due to the spatiotemporal sparsity of measurements and systematic biases within Earth system models. Here, we propose a novel spatiotemporal embedded artificial intelligence model that integrates diverse ocean datasets to construct a high-precision, monthly-resolved global ocean oxygen dataset spanning the past 140 years. Our quantitative analyses revealed a decline in global ocean oxygen content from 234.5 ± 0.4 Pmol in 1871 to 230.6 ± 0.4 Pmol in 2010, with a sharp drop of −1402.2 ± 173.6 Tmol per decade post-1980, attributing 98.5% of total oxygen loss in the past three decades alone. Our investigation further underscored that the critical temperature at the sea surface beyond which ocean oxygen begins to rapidly decrease is approximately 18°C. Forward-looking projections underlined the potential for a decline exceeding 10% in global ocean oxygen content relative to pre-1900 levels, under uncontrolled anthropogenic carbon dioxide emissions by the end of the 21st century. These findings provide a comprehensive understanding of historical dynamics and future trajectories in global ocean oxygen, as well as a deeper knowledge of ocean deoxygenation and its underlying mechanisms.</p>
Academy of Program/Project & Engineering Leadership ASK the Academy Past Issues
Academy of Program/Project & Engineering Leadership's Ask the Academy magazine past issues.
Academy of Program/Project & Engineering Leadership ASK the Academy Past Issues
Academy of Program/Project & Engineering Leadership's Ask the Academy magazine past issues.
Academy of Program/Project & Engineering Leadership ASK the Academy Past Issues
Academy of Program/Project & Engineering Leadership's Ask the Academy magazine past issues.
Academy of Program/Project & Engineering Leadership ASK the Academy Past Issues
Academy of Program/Project & Engineering Leadership's Ask the Academy magazine past issues.
Academy of Program/Project & Engineering Leadership ASK the Academy Past Issues
Academy of Program/Project & Engineering Leadership's Ask the Academy magazine past issues.
Academy of Program/Project & Engineering Leadership ASK the Academy Past Issues
Academy of Program/Project & Engineering Leadership's Ask the Academy magazine past issues.
Academy of Program/Project & Engineering Leadership ASK the Academy Past Issues
Academy of Program/Project & Engineering Leadership's Ask the Academy magazine past issues.
Academy of Program/Project & Engineering Leadership ASK the Academy Past Issues
Academy of Program/Project & Engineering Leadership's Ask the Academy magazine past issues.
Academy of Program/Project & Engineering Leadership ASK the Academy Past Issues
Academy of Program/Project & Engineering Leadership's Ask the Academy magazine past issues.
Academy of Program/Project & Engineering Leadership ASK the Academy Past Issues
Academy of Program/Project & Engineering Leadership's Ask the Academy magazine past issues.
Academy of Program/Project & Engineering Leadership ASK the Academy Past Issues
Academy of Program/Project & Engineering Leadership's Ask the Academy magazine past issues.
Academy of Program/Project & Engineering Leadership ASK the Academy Past Issues
Academy of Program/Project & Engineering Leadership's Ask the Academy magazine past issues.
Academy of Program/Project & Engineering Leadership ASK the Academy Past Issues
Academy of Program/Project & Engineering Leadership's Ask the Academy magazine past issues.
Academy of Program/Project & Engineering Leadership ASK the Academy Past Issues
Academy of Program/Project & Engineering Leadership's Ask the Academy magazine past issues.
Academy of Program/Project & Engineering Leadership ASK the Academy Past Issues
Academy of Program/Project & Engineering Leadership's Ask the Academy magazine past issues.
Academy of Program/Project & Engineering Leadership ASK the Academy Past Issues
Academy of Program/Project & Engineering Leadership's Ask the Academy magazine past issues.
Academy of Program/Project & Engineering Leadership ASK the Academy Past Issues
Academy of Program/Project & Engineering Leadership's Ask the Academy magazine past issues.
Academy of Program/Project & Engineering Leadership ASK the Academy Past Issues
Academy of Program/Project & Engineering Leadership's Ask the Academy magazine past issues.
Academy of Program/Project & Engineering Leadership ASK the Academy Past Issues
Academy of Program/Project & Engineering Leadership's Ask the Academy magazine past issues.
ScienceDex guides
Understand access before you commit
These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.