Results 11 to 20 of about 1,379,102 (247)

Soil weathering dynamics and erosion in a dry oceanic area of the southern hemisphere (Otago, New Zealand)

Scientific Reports, 2022
Landscape evolution is driven by tectonics, climate and surface denudation. In New Zealand, tectonics and steep climatic gradients cause a dynamic landscape with intense chemical weathering, rapid soil formation, and high soil losses. In this study, soil,
Gerald Raab, Markus Egli, Kevin P. Norton, Adam P. Martin, Michael E. Ketterer, Dmitry Tikhomirov, Rahel Wanner, Fabio Scarciglia   +7 more
doaj   +1 more source

Climate, vegetation, and weathering across space and time in Lake Tanganyika (tropical eastern Africa)

Quaternary Science Advances, 2021
Climate and vegetation influence weathering rates and processes; however, evaluating the effects of each and feedbacks between systems, has yet to be accomplished for many types of landscapes.
Sarah J. Ivory, Michael M. McGlue, Cara Peterman, Patrick Baldwin, Joseph Lucas, Andrew Cohen, James Russell, Justina Saroni, Emma Msaky, Ishmael Kimirei, Michael Soreghan   +10 more
doaj   +1 more source

Topographic and Climatic Control on Chemical Weathering of Mountainous Riverine Sediments of Hainan Island, South China Sea

Frontiers in Earth Science, 2022
Hainan Island, the largest island in the northwestern South China Sea (SCS), is characterized by many tropical mountainous rivers that flow into the SCS.
Fangjian Xu, Fangjian Xu, Bangqi Hu, Bangqi Hu, Jingtao Zhao, Xiting Liu, Ruyong Cui, Xue Ding, Xue Ding, Guifeng Wang, Jianping Huang   +10 more
doaj   +1 more source

The Effect of Size Distribution on the Geochemistry and Mineralogy of Tropical River Sediments and Its Implications regarding Chemical Weathering and Fractionation of Alkali Elements

Lithosphere, 2022
The mineralogical and geochemical compositions of the sediments deposited by rivers have been used extensively to evaluate past chemical weathering and the physical erosion history of drainage basins at different time scales.
Kaikai Wu, Shengfa Liu, Xuefa Shi, Christophe Colin, Franck Bassinot, Zhanghua Lou, Hui Zhang, Aimei Zhu, Xisheng Fang, Che Abd. Rahim Mohamed   +9 more
doaj   +1 more source

Weathering microenvironments on feldspar surfaces: implications for understanding fluid-mineral reactions in soils [PDF]

, 2008
The mechanisms by which coatings develop on weathered grain surfaces, and their potential impact on rates of fluid-mineral interaction, have been investigated by examining feldspars from a 1.1 ky old soil in the Glen Feshie chronosequence, Scottish ...
Smith, C.L., M. E. Hodson, Lee, M.R., Smith, C. L., C. L. Smith, Hodson, M.E., M. Mackenzie, MacKenzie, M., D. J. Brown, Lee, M. R., Brown, D. J., Hodson, M. E., Brown, D.J., M. R. Lee   +13 more
core   +1 more source

Strontium as a tracer of weathering processes in a silicate catchment polluted by acid atmospheric inputs, Strengbach, France [PDF]

, 2000
This paper determines the weathering and atmospheric contributions of Ca in surface water from a small spruce forested silicate catchment (N–E France) receiving acid atmospheric inputs.
Aubert, Dominique, McNutt, R., B Fritz, A Probst, D Aubert, El Gh'mari, Abderrahmene, Probst, Anne, A El Gh'mari, Fritz, Bertrand, R McNutt   +9 more
core   +1 more source

Effects of climatic variation on weathering intensity for the mineral composition in some Iraqi soils [PDF]

Caspian Journal of Environmental Sciences, 2022
This study was conducted to find out the effect of variation in the nature of climatic conditions and physiographic location on the weathering intensity of the mineral composition in some Iraqi soils. Six different locations were selected within rainfall
Salwa Hashim Khalaf Al Shamary, Abdul Baqi D.S. Al Maamouri, Sadeq Jaafar Hassan Dwenee   +2 more
doaj   +1 more source

Modeling the evolution of natural cliffs subject to weathering. 1, Limit analysis approach [PDF]

, 2011
Retrogressive landsliding evolution of natural slopes subjected to weathering has been modeled by assuming Mohr-Coulomb material behavior and by using an analytical method.
G. B. Crosta, Crosta, Giovanni B., Utili, Stefano, S. Utili   +3 more
core   +1 more source

Sediment export in marly badland catchments modulated by frost-cracking intensity, Draix–Bléone Critical Zone Observatory, SE France [PDF]

Earth Surface Dynamics, 2022
At the interface between the lithosphere and the atmosphere, the critical zone records the complex interactions between erosion, climate, geologic substrate, and life and can be directly monitored.
C. Ariagno, C. Le Bouteiller, P. van der Beek, S. Klotz   +3 more
doaj   +1 more source

Physical and chemical weathering rates and CO2 consumption in a tropical lateritic environment: the upper Niger basin [PDF]

, 1998
The chemical composition of Niger river water measured bimonthly at Bamako Mali. during the period 1990–1992 provides an estimate of present weathering rates in the upper Niger basin.
Probst, Jean-Luc, Jean-Loup Boeglin, Jean-Luc Probst, Boeglin, Jean-Loup   +3 more
core   +1 more source