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Investigating the soil surface properties behind elevated natural radiation in Mamuju, Indonesia. [PDF]

open access: yesSci Rep
Abdullah ARA   +14 more
europepmc   +1 more source

Impact of low denudation rates on soil chemical weathering intensity: A multiproxy approach [PDF]

open access: yesChemical Geology, 2017
Abstract Quantifying the influence of denudation, i.e., physical erosion and chemical weathering, on soil weathering intensity is an important component for a comprehensive understanding of element biogeochemical cycles. The relation between the weathering intensity and the denudation rate is not clear and requires further investigation in a variety ...
Pierre Delmelle   +2 more
exaly   +3 more sources

Limited change in silicate chemical weathering intensity during the Permian–Triassic transition indicates ineffective climate regulation by weathering feedbacks

open access: yesEarth and Planetary Science Letters, 2023
Vast emissions of volcanogenic greenhouse gases resulted in rapid global warming during the latest Permian mass extinction (LPME, ∼252 Ma), the impact of which on continental chemical weathering conditions was complex. Here, we compile Chemical Index of Alteration (CIA) records from 25 terrestrial and 12 marine sections with a near-global ...
Jianxin Yu, Jiaxin Yan
exaly   +3 more sources
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A Holocene Lacustrine Record of Variations in Chemical Weathering Intensity in the Mu Us Desert, China

Science of The Total Environment, 2023
The Mu Us Desert is an ideal location to study environmental changes during the Late Quaternary, because of its unique characteristics. The Abaoyan (ABY) profile, a typical aeolian-lacustrine profile located at the eastern edge of the desert, was investigated in this study.
Yijing, Li   +7 more
openaire   +2 more sources

Tectonic and climatic forcing of chemical weathering intensity in the northeastern Tibetan Plateau since the middle Miocene

open access: yesCatena, 2022
Abstract Chemical weathering of continental silicates is a crucial geological process in regulating Earth’s long-term climate and participating in global carbon cycle. The increasing aridity and active tectonic settings in the northeastern Tibetan Plateau since the middle Miocene, combining the global cooling background, make this region ideal for ...
Xing Jian, Hanjing Fu, Xiaotian Shen
exaly   +2 more sources

Global quantitative model of chemical weathering intensity

2021
Global quantitative estimation of intensity of recent processes of chemical weathering and connected with that newly formed secondary minerals is given. Shows that all clay and at least 50% of silica deposits of actual sedimentary rocks of Earth crust represent the hydrogenous product of interaction processes between natural waters and erupted mountain
V.P. Zverev, O.Y. Varvanina
openaire   +1 more source

The constancy of chemical weathering intensity on hillslopes in the arid to semiarid Qilian Mountains, NE Tibetan Plateau

Science of the Total Environment, 2023
Quantifying the relationship between the chemical weathering and denudation rates of active orogenic belts over a range of climates is the key to addressing the controversy over the uplift-weathering hypothesis. However, studies have focused on warm and humid environments and have not examined cold and arid environments.
Haopeng Geng
exaly   +3 more sources

Reconstructing Chemical Weathering Intensity in the Mekong River Basin Since the Last Glacial Maximum [PDF]

open access: yesPaleoceanography and Paleoclimatology, 2019
AbstractHigh‐resolution clay mineralogy and major element geochemistry of Core SO18383‐3 collected off the Mekong River mouth in the southern South China Sea have been investigated, aiming to reconstruct sediment provenance and chemical weathering intensity since the last glaciation.
Thanakorn Jiwarungrueangkul   +2 more
exaly   +2 more sources

Behavioral differences between weathering and pedogenesis in a subtropical humid granitic terrain: Implications for chemical weathering intensity evaluation

CATENA, 2021
Abstract Continental weathering plays a crucial role in the evolution of the Earth’s surface by linking Earth's spheres, shaping landscapes and regulating chemical cycles and global climate. Regolith weathering studies in some cases ideally assume successive and progressive bottom-up physicochemical variation trends.
Haowei Mei   +4 more
openaire   +1 more source

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