Results 81 to 90 of about 17,794 (245)

Decadal Bowhead Whale Baleen Stable Isotope and Hormone Chronologies (1985–2010) Provide Insight Into Arctic Ecosystem Change

open access: yesGlobal Change Biology Communications, Volume 1, Issue 3, September 2026.
Long‐term chronologies constructed from individual bowhead baleen plates reveal stable isotope declines consistent with regional Arctic food web or productivity changes superimposed on global anthropogenic C and N inputs, while relatively stable hormone concentrations over the same period provide no evidence of a concomitant increase in physiological ...
Cory J. D. Matthews   +5 more
wiley   +1 more source

From temporal variability to integrated metabolic balance: Interpreting total alkalinity and dissolved inorganic carbon relationships in dynamic coral reef ecosystems

open access: yesLimnology and Oceanography Letters, Volume 11, Issue 5, September 2026.
Abstract Linear regressions between total alkalinity (TA) and dissolved inorganic carbon (DIC) are widely used to infer the balance between net ecosystem calcification (NEC) and net ecosystem production (NEP) in coral reefs. Using high‐frequency carbonate chemistry observations from an Australian reef flat and simple numerical models, we show that TA ...
Tyler Cyronak   +10 more
wiley   +1 more source

How localized physical processes influence large‐scale phytoplankton blooms near the sea ice edge in the Greenland Sea

open access: yesLimnology and Oceanography Letters, Volume 11, Issue 5, September 2026.
Abstract The Arctic Ocean has experienced intensifying phytoplankton spring blooms near the sea ice edge. Here, we investigate the drivers of such near‐ice blooms in the Greenland Sea by comparing satellite and in situ observations with the ECCO‐Darwin physical–biogeochemical state estimate.
Abigail P. Heiser   +5 more
wiley   +1 more source

Global spatiotemporal variability of chlorophyll a and environmental drivers revealed by empirical orthogonal function analysis

open access: yesLimnology and Oceanography Letters, Volume 11, Issue 5, September 2026.
Abstract Chlorophyll a (Chl a) is a key indicator of phytoplankton biomass and marine primary productivity, linking ocean ecosystem change to biogeochemical cycling and climate. Understanding the environmental controls on long‐term Chl a variability is therefore essential.
Won‐Jun Choi   +5 more
wiley   +1 more source

The Role of Bubbles in Air‐Sea Gas Exchange: A Critical Review

open access: yesReviews of Geophysics, Volume 64, Issue 3, September 2026.
Abstract Air‐sea gas exchange regulates the exchange of climatically important gases between the ocean and the atmosphere, shaping both climate and ocean biogeochemistry. Bubbles beneath the sea surface enhance this exchange by introducing an additional transfer pathway in parallel to the interfacial transfer route.
Yuanxu Dong   +12 more
wiley   +1 more source

Maximum water stress is decoupled from climate, traits, and growth in a xeric oak

open access: yesNew Phytologist, Volume 251, Issue 5, Page 2392-2406, September 2026.
We sampled sites across the geographic distribution of blue oak (Quercus douglasii) in California, USA, which spans a large range of mean annual precipitation. Summary Our ability to explain and predict the spatial patterns of forest mortality remains limited.
Leander D. L. Anderegg   +7 more
wiley   +1 more source

Enhanced Subsurface Warming of the Kuroshio Revealed by Long‐Term Observations During 1965–2020

open access: yesGeophysical Research Letters, Volume 53, Issue 16, 28 August 2026.
Abstract The Kuroshio transports large amounts of heat from the tropical to extratropical Pacific, playing a crucial role in regional climate changes. However, how the temperature and heat transport changes of the Kuroshio under a warming climate remain ambiguous.
Shuo Du   +4 more
wiley   +1 more source

Persistent Shelf‐to‐Basin Export of Bioavailable Dissolved Organic Carbon in the Arctic Ocean

open access: yesGeophysical Research Letters, Volume 53, Issue 16, 28 August 2026.
Abstract Microbial carbon demand often exceeds local primary production in the oligotrophic central Arctic Ocean. Whether shelf‐derived dissolved organic carbon (DOC) provides a persistent carbon subsidy to reconcile this imbalance remains unclear. Here, we combine amino acid‐based molecular tracers and hydrographic analyses to trace the transport and ...
Yao Gao   +3 more
wiley   +1 more source

Trace Elements in Total Atmospheric Deposition Directly Measured Over the Caribbean Region: Natural Versus Anthropogenic Sources and Geographic Origin

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 16, 28 August 2026.
Abstract Dust, sea salt, and anthropogenic and biogenic particles in total atmospheric deposition are sources of essential elements that can significantly impact biogeochemical cycles in the Atlantic Ocean and in islands of the Caribbean region. This unique 41‐month data set records direct sampling of total atmospheric deposition from March 2015 to ...
Yangjunjie Xu‐Yang   +6 more
wiley   +1 more source

Time‐Varying Hydroclimatic and Oceanic Controls on Arctic Submarine Groundwater Discharge Inferred Using Explainable AI

open access: yesGeophysical Research Letters, Volume 53, Issue 15, 16 August 2026.
Abstract Submarine groundwater discharge (SGD), an important component of coastal water and nutrient budgets, is challenging to monitor and predict in the Arctic given the remoteness and harsh conditions. Here, we used explainable artificial intelligence to quantify the time‐varying importance of hydroclimatic and oceanic drivers of SGD at an Arctic ...
Cansu Demir   +5 more
wiley   +1 more source

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