Dam regulation lowers river discharge to tidal river zones, promoting diatom growth and increasing dissolved silicon retention Annually, 19% of riverine dissolved Si is converted to biogenic sili...

Variation in gas concentrations across a low-gradient stream was not driven by gas exchange despite clear pool-run distinctions Channel slopes at habitat and reach scales were strongly correlated...

By combining computer tomography—the same technology used for medical scans—with a high-powered particle accelerator, researchers have imaged the network of roots, fungal structures, and soil together...

Variation in gas concentrations across a low-gradient stream was not driven by gas exchange despite clear pool-run distinctions Channel slopes at habitat and reach scales were strongly correlated...

Annual gross primary productivity is not correlated with measured above-ground stem growth and biomass increment Contrary to other species, white pine growth showed negative relationships with so...

Anthropogenic minerals have a higher alkalinity generation potential than naturally occurring minerals Periclase and hydrated lime mesocosms release more than 80% of the added alkalinity No clea...

Periclase addition enhances alkalinity but triggers secondary precipitation, with the threshold occurring between +500 and + 1,000 μmol kg−1 Mineral addition has no effect on the temporal trends ...

Soil organic carbon (SOC) distribution is a function of climatic, topographic, and fine-scale geomorphological variability Climate enabled establishment of peatlands is an important control on th...

We develop a framework for the dynamics of hydrogen-oxidizing bacteria (HOB) in soils HOB abundance varies by moisture regime, with dormancy adopted in hyper-arid conditions Model better aligns ...

Soil δ15N varies widely across a tropical savanna and is driven primarily by bottom-up factors rather than top-down disturbances Among bottom-up drivers, greater N-fixing tree cover and higher so...

Organic carbon (OC) fraction and microflora in sediments responded differently to nutrient regulation Po mineralization via AP dominated C assimilation and burial into sediments Nutrient-driven ...

Recent algal blooms in the Ohio River shut off drinking water for millions, yet trends and extent of algae remain unknown CHOIR is the first spatially continuous, multidecadal, remote-sensing-der...

A decade of tropical river-estuary monitoring captures carbon, nutrients, oxygen, and concentration across an urban gradient Standardized tidal phase sampling and parameter level quality flags su...

When warmer than the surrounding air, coast redwood needles decrease their photosynthetic capacity and quantum yield Under experimental conditions, net photosynthetic rates decrease nonlinearly w...

Permafrost peatlands of the Western Siberian Lowlands store potentially biolabile, nitrogen-enriched aliphatic dissolved organic matter within permafrost peat The highest proportions of nitrogeno...

Both mineral properties and dissolved organic matter (DOM) composition regulate adsorption DOM from certain sources is not sorptive regardless of the mineral properties Soil carbon models based ...

Regenerating-fuel limitations help regulate the climate response of fire regimes in Alaska

Year-round eddy covariance shows Dachen Island forest is a net carbon sink with strong wet-dry seasonal variability Shortwave downward radiation is the main driver of temporal variation in forest...

During two summer observation periods, the estuary shifted between acting as a dissolved organic carbon (DOC) source and sink depending on riverine and ocean inputs DOC export lags behind tidal s...

Soil moisture and subsurface temperature control the timing and strength of canopy greening in a tropical deciduous forest Atmospheric humidity limits late-season canopy persistence and shortens ...

Both mineral properties and dissolved organic matter (DOM) composition regulate adsorption DOM from certain sources is not sorptive regardless of the mineral properties Soil carbon models based ...

AGU editors recognize the contributions of peer reviewers in 2025, whose expertise and dedication were integral to the advancement of the Earth and space sciences.

The total carbon storage and the total number of individuals of the dominant species in this forest community Carbon storages of dominant species are significantly correlated with structural dive...

Half of the climate warming effect from decreased albedo with reforestation occurs within 40 years, but it takes 50–120 years for 80% The slowest declines occur in extra-tropical regions and broa...

We implemented a phenotypically plastic mixotroph into a coupled biogeochemical ocean model Acclimation was largely light-driven, with phototrophy and phagotrophy dominant in shallow and deep mix...

Managed hypersaline coastal ponds can store sediment carbon while exchanging CO2 and CH4 with the atmosphere White carbon outcomes depend on salinity, microbial metabolism, sediment burial, hydro...

A field-deployable modular system using turnkey components enables autonomous, long-term, in situ measurements of soil oxygen The approach supports high-frequency, depth-resolved measurements acr...

Monoalkyl glycerol ethers (MAGEs) are inter-specific and inter-reef variably present in coral tissues and skeletons Tissual MAGEs originate from autotrophically-synthesized monoalkyldiacylglycero...

Growth temperature explains more spatial variation in apparent ecosystem photosynthetic optimum temperature (Topteco) than plant functional type identity Process-based modeling reveals regionally...

Abstract. Although boreal peatlands play a critical role in the global carbon cycle, their year-round carbon dioxide (CO2) dynamics, and particularly the contribution of the non-growing season, remain...

Soil parameters and CLM5-BGC LAI structural errors drive SM/SMr biases; prescribed ICOS LAI improves ensemble coverage of SM, SMr, and GPP Vegetation parameters dominate flux uncertainty, but CLM...

Urbanization more than doubles soil phosphorus (P) stocks in tropical West African arable fields A tailored sequential extraction resolves a calcium-bound P pool masked in standard P fractionatio...

Potential biological formation of ethane and propane was observed in coastal marine sediment enrichment cultures Ethane was formed from bromoethane and ethanethiol with a conversion ratio >0.1%, ...

A novel framework integrates machine learning with geographically weighted regression to capture spatial heterogeneity in NEE modeling Water-related variables dominate NEE variation at 36% of sit...