Results 161 to 170 of about 12,695 (270)

Rivers Influence Reef Pass Formation in the Society Islands

open access: yesGeophysical Research Letters, Volume 52, Issue 12, 28 June 2025.
Abstract Reef passes are deep, navigable channels dissecting coral reefs around volcanic islands. Many reef passes are located offshore of large island river basins, suggesting a potential causal relationship. To clarify the mechanisms that form and maintain reef passes, we quantify the relationships between reef pass location and drainage basin size ...
Megan N. Gillen   +2 more
wiley   +1 more source

Uranium and Lithium Isotope Ratios of River Solutes Clarify the Role of Bedrock Properties in Landscape Denudation

open access: yesGeophysical Research Letters, Volume 52, Issue 12, 28 June 2025.
Abstract Rock weathering impacts global nutrient cycles but factoring intrinsic properties of bedrock into weathering models remains a challenge. Here we show that two common tracers of silicate weathering—uranium (U) activity ratios and lithium (Li) isotope ratios of river solutes—inform lithology‐specific modes of landscape denudation.
Evan J. Ramos   +2 more
wiley   +1 more source

Atmospheric N Deposition as a Key Driver of Soil Nitrate Production and Accumulation in Temperate Forests Under Semi‐Arid Climate

open access: yesGeophysical Research Letters, Volume 52, Issue 12, 28 June 2025.
Abstract Atmospheric nitrogen (N) deposition affects soil nitrate (NO3– ${{\text{NO}}_{3}}^{\mbox{--}}$) dynamics in forests, yet mechanisms driving NO3– ${{\text{NO}}_{3}}^{\mbox{--}}$ accumulation in semi‐arid regions remain unclear. Here, we quantified atmospheric and microbial contributions to soil NO3– ${{\text{NO}}_{3}}^{\mbox{--}}$ by analyzing ...
Zhong‐Cong Sun   +5 more
wiley   +1 more source

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