Results 131 to 140 of about 22,372 (223)

Investigation and quantification of hydraulic gradient and precipitation effect on flow and solute transport in the capillary fringe and saturated zone

open access: yesVadose Zone Journal, Volume 25, Issue 4, July/August 2026.
Abstract Although the capillary fringe (CF) zone plays a critical role in water flow and solute transport within porous media, its influence is often neglected in numerical models. In this research, the HYDRUS‐2D model was validated with data from a physical experiment.
Saeid Sotoodehnia   +4 more
wiley   +1 more source

National Oceanic and Atmospheric Administration Soil Moisture Operational Product System: An overview and data assimilation applications

open access: yesVadose Zone Journal, Volume 25, Issue 4, July/August 2026.
Abstract National Oceanic and Atmospheric Administration–National Environmental Satellite, Data, and Information Service (NESDIS) developed the Soil Moisture Operational Product System (SMOPS) to serve as a one‐stop shop for all available microwave satellite soil moisture observations.
Jifu Yin   +5 more
wiley   +1 more source

Spatial and vertical distribution of redox‐sensitive elements and their controlling factors in deep soils under contrasting land cover in the Gulf Coastal Plains

open access: yesVadose Zone Journal, Volume 25, Issue 4, July/August 2026.
Abstract Redox processes in soil governs key biogeochemical cycles and influence carbon, nitrogen, and phosphorus dynamics. However, their role in deep vadose zone soils remains poorly understood, particularly in variably saturated environments with heterogeneous hydroclimatic, landscape position, and land use conditions.
Amir Sedaghatdoost, Binayak P. Mohanty
wiley   +1 more source

Elevation‐Dependent Permafrost Thaw on the Tibetan Plateau Delays Seasonal Discharge and Poses a Risk of Reduction in Downstream Water Availability

open access: yesEarth's Future, Volume 14, Issue 7, July 2026.
Abstract Global warming and permafrost thaw have significantly altered landscapes and hydrological conditions in permafrost regions. While site‐specific process studies have described hydrological changes during thawing, basin‐scale impact assessments and streamflow modeling remain challenging due to landscape heterogeneity and complex interactions ...
Chengwei Wan   +5 more
wiley   +1 more source

Development and Evaluation of the Conjunctive Surface‐Subsurface Process Model Version 3 (CSSPv3) at Global Scale

open access: yesJournal of Advances in Modeling Earth Systems, Volume 18, Issue 7, July 2026.
Abstract The global terrestrial water and carbon cycles have evolved rapidly during recent decades, particularly in regions with intensive anthropogenic interventions and vulnerable ecohydrological systems. However, current land surface models (LSMs) and global hydrological models (GHMs) often treat natural ecohydrological processes and human water use
Xing Yuan   +8 more
wiley   +1 more source

Archaeal Tetraether Lipids as Tracers for Past Marine Environmental Change

open access: yesPaleoceanography and Paleoclimatology, Volume 41, Issue 7, July 2026.
Abstract Archaea are single‐celled microorganisms that are abundant in marine environments and play a key role in the carbon and nitrogen cycles. Archaea can biosynthesize a wide variety of isoprenoid membrane lipids, including isoprenoid glycerol dibiphytanyl glycerol tetraethers (isoGDGTs).
Felix J. Elling   +39 more
wiley   +1 more source

Soil Moisture Controls on Permafrost Carbon Cycle Under Greenhouse Warming and Zero Emission Pathways

open access: yesEarth's Future, Volume 14, Issue 7, July 2026.
Abstract Permafrost regions store vast amounts of soil carbon, and thaw under global warming enhances microbial decomposition and CO2 release, strengthening the permafrost carbon feedback. While this feedback has been extensively studied for continued warming, the processes controlling its magnitude and persistence remain uncertain. Using the Community
Jin‐Hyuk Mun   +4 more
wiley   +1 more source

Where land meets water: The overlooked role of groundwater seepage in lake ecosystems

open access: yes
Limnology and Oceanography Letters, Volume 11, Issue 4, July 2026.
M. Sol Lisboa, Rebecca L. Schneider
wiley   +1 more source

Low Chemical Weathering Intensity, Enhanced Erosion, and Euxinic Conditions Along the Norwegian Margin During the Paleocene‐Eocene Thermal Maximum

open access: yesPaleoceanography and Paleoclimatology, Volume 41, Issue 7, July 2026.
Abstract The Paleocene–Eocene Thermal Maximum (PETM; ∼55.9 Ma) was a rapid global warming event marked by intensified hydrological cycling, enhanced continental weathering, and widespread ocean deoxygenation. Although the extent of anoxic basins during the PETM is relatively well documented, the contribution of high‐latitude continental weathering to ...
Anjana Gireesh Sandhya   +5 more
wiley   +1 more source

Soil N:P ratio influences species coexistence via nitrogen‐form niche differentiation in alpine grasslands

open access: yesFunctional Ecology, Volume 40, Issue 7, Page 2053-2067, July 2026.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Plant species coexistence in nutrient‐limited ecosystems is often maintained by niche differentiation in nitrogen (N) uptake. However, how this partitioning responds to changes in nutrient stoichiometry is still poorly understood.
Chengling Yu   +9 more
wiley   +1 more source

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