Sedimentary structures from evaporative coastal environments indicate carbonate saturation, offer insight in mid-Mesozoic ocean chemistry and potentially even earlier times.
Biogeochemical cycles, processes, and modeling
Posted inEditors' Highlights
Permanence of Nature-Based Climate Solutions at Risk
Conserving native ecosystems helps sequester carbon and mitigate climate change, but new statistical modeling questions the permanence of California’s carbon-rich forests with climate change.
Posted inResearch Spotlights
A Well-Balanced Ecosystem Uses Water Most Efficiently
Excess of a single nutrient, such as nitrogen, may boost plant productivity, but the imbalance leads to less efficient water use as plants scramble for the nutrients they lack.
Posted inEditors' Highlights
SE Asia Peatlands Subsidence Tied to Drainage Density
Human-made channelization significantly accelerates peat decomposition and drives ground-surface deformation in tropical wetlands.
Posted inResearch Spotlights
Deep-Ocean Oxygen May Increase with Climate Change
A millennial-scale ocean simulation indicates that oxygen gains in the deep ocean may offset oxygen losses in the upper water layer under a protracted climate change scenario.
Posted inResearch Spotlights
Trans-Atlantic Dusts May Not Enrich Amazon as Much as Thought
New research indicates that nutrient loads delivered to South American ecosystems by dust originating in Africa are far lower than suggested in previous studies.
Posted inNews
Ancient “Pickled” Leaves Give a Glimpse of Global Greening
A unique fossil lake bed in New Zealand has revealed insights into global climate under elevated levels of carbon dioxide but is now off-limits to scientists.
Posted inNews
Frequently Dry Waterways Still Contribute to Carbon Emissions
A new international collaboration found that dry inland waters—no matter where they were located—contributed significant global carbon dioxide emissions.
Posted inNews
Could Seismic Networks Reveal Hard-to-Detect Nuclear Tests?
In the age of monitoring nuclear weapons testing, existing regional seismic networks may be a key to discovering small, undetected explosions around the world.
Posted inEditors' Vox
Organic Gases Released and Taken Up by Soil Lack Quantification
Soils both emit and take up different biogenic volatile organic compounds, altering the chemical composition of the atmosphere and influencing local, regional, and global climate.