Results 71 to 80 of about 147,084 (156)

Variation characteristics and influencing mechanisms of CO2 flux from grassland ecosystem in the Central Tianshan Mountains, China

open access: yesEcological Indicators
The intensification of carbon dioxide (CO2) fluxes in grassland ecosystems due to global climate change makes the achievement of carbon neutrality goals more challenging, particularly in arid regions with sensitive climates and fragile ecological ...
Kun Zhang   +3 more
doaj   +1 more source

The southwest Kalahari dune field does not emit dust post‐fire despite a lack of vegetation and above‐threshold winds

open access: yesEarth Surface Processes and Landforms, Volume 51, Issue 2, February 2026.
The southwest Kalahari dune field has resident fine grains which may be emitted as mineral dust after protective vegetation is removed by fire. However, low wind speeds, high initial surface cover, and the protective effect of biocrusts result in the low possibility of the southwest Kalahari emitting dust post‐fire.
Rosemary A. Huck   +2 more
wiley   +1 more source

Preliminary studies on the large-scale geomorphic patterns of the complex longitudinal sand ridge zone in the Taklimakan Desert [PDF]

open access: yes, 2008
Through analysis of satellite images from Google Earth, this article expounds the characteristics of large-scale geomorphic patterns of the complex longitudinal sand ridge zone in the Taklimakan Desert, and reduces the large-scale geomorphic patterns to ...
Yue, J, Chinese Acad Sci, Xinjiang Inst Ecol & Geog, Urumqi 830011, Peoples R China   +3 more
core  

Improving dust simulation over the Taklimakan Desert through refinement of wind profile parameters in the Revised-MM5 scheme

open access: yesAtmospheric Environment: X
The Taklimakan Desert, the world's second-largest shifting-sand desert, is a major dust source for northwestern China and East Asia, and its emissions contribute substantially to the global dust cycle. Therefore, improving dust forecasts over this region
Yisilamu Wulayin   +11 more
doaj   +1 more source

Rain, Bark, and Residual Variability in Stemflow From Three Dominant Tree Species of a Southern Great Lakes Forest

open access: yesHydrological Processes, Volume 40, Issue 2, February 2026.
Terrestrial LiDAR and hydrology calibration were used to derive each tree's stemflow drainage area, normalising rainfall‐stemflow relations by contributing surface. The results show that Fagus grandifolia (beech) maintains a stronger, steeper hydrological response to rainfall (exhibited by a higher normalised yield) than Acer saccharum (maple) and ...
Benjamin J. Noren, John T. Van Stan II
wiley   +1 more source

Rapid Loss of Terrestrial Ecosystem Multifunctionality in China on a Century Scale

open access: yesEarth's Future, Volume 14, Issue 2, February 2026.
Abstract Ecosystem multifunctionality (EMF) is a crucial factor in protecting biodiversity and regulating climate dynamics. However, the global and regional dynamics of EMF are currently limited to field experiments, resulting in an incomplete understanding of the spatial patterns and driving mechanisms of EMF.
Wen He   +3 more
wiley   +1 more source

Analysis of Sand Dune Migration and Future Trends on the Western Edge of the Kumtag Desert

open access: yesLand
Sand dune migration, as a typical dynamic process of aeolian geomorphology in arid regions, directly influences regional ecological security and infrastructure development. Focusing on the western edge of the Kumtag Desert, this study uses remote sensing
Fan Yang   +12 more
doaj   +1 more source

Annual Variability in Marine Particulate Trace Elements During the Hawaii Aerosol Time‐Series

open access: yesGlobal Biogeochemical Cycles, Volume 40, Issue 2, February 2026.
Abstract The Hawaii Aerosol Time‐Series (HATS) was a coordinated effort to simultaneously monitor atmospheric and water column dust dynamics in the North Pacific Subtropical Gyre. Throughout 2022 and 2023, HATS measured the composition of water column particles and made complementary measurements of aerosol chemistry and deposition fluxes.
Mariah J. Ricci   +4 more
wiley   +1 more source

Adaptability evaluation of the FIRST model in Hobq Desert, northern China

open access: yesFrontiers in Earth Science
Obtaining high temporal and spatial resolution spectral data is the key to revealing the influencing factors, effects, and mechanisms of land-atmosphere interactions in deserts.
Xinqian Zheng   +6 more
doaj   +1 more source

Improving Sandstorm Simulations by Parameterizing Form Drag From Subgrid Sand Dunes Using 30‐m‐Resolution Terrain Data

open access: yesGeophysical Research Letters, Volume 53, Issue 2, 28 January 2026.
Abstract Surface and near‐surface wind speeds, critical factors for dust emission, are often overestimated in desert regions by models, leading to exaggerated predictions of sandstorm extent and dust concentration. This study implements a new turbulent orographic form drag (TOFD) parameterization scheme using 30‐m‐resolution terrain data in the WRF ...
Huoqing Li   +6 more
wiley   +1 more source

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