搜索结果: 1-15 共查到“知识库 Weathering”相关记录77条 . 查询时间(0.05 秒)
Impact of animal manure addition on the weathering of agricultural lime in acidic soils: The agent of carbonate weathering
Carbonate weathering Soil/atmospheric CO2 CO2 source/sink
2018/3/23
Fertilization and aglime (agricultural lime) application, as important agricultural activities in acid soil, exert an influence on the fluxes of carbon both between and within ecosystems. Animal manur...
Was the Late Paleocene-Early Eocene Hot Because Earth Was Flat? An Ocean Lithium Isotope View of Mountain Building,Continental Weathering, Carbon Dioxide,and Earth's Cenozoic Climate
Late Paleocene-Early Eocene Hot Earth Was Flat Ocean Lithium Isotope View Mountain Building Continental Weathering Carbon Dioxide Earth's Cenozoic Climate
2015/7/17
Hothouse climates in Earth's geologic past, such as the Eocene epoch, are thought to have been caused by the release of large amounts of carbon dioxide and/or methane, which had been stored as carbon ...
Digital Surface Modeling for Assessment of Weathering Rate of Weathered Rock in Stone Monuments
DSM Scanning Electron Microscope Parallel projection Weathering Rock
2015/5/25
This study presents method for self-calibration of the SEM (Scanning Electron Microscope) stereo image using the standard microprobe with same grid pattern and using parallel projection equation. The ...
Weathering the Storm:The State of Corporate Citizenship 2009
Corporate Social Responsibility
2015/5/12
Weathering the Storm:The State of Corporate Citizenship 2009.
Upper Eocene coal and coaly shale in the Central Myanmar Basin: Origin of organic matter and the effect of weathering
Upper Eocene coal and coaly shale depositional environment weathering paleovegetation Central Myanm
2017/4/11
Extensive coals and coaly shales were deposited at the western margin of the Central Myanmar Basin (CMB) during
the Late Eocene. Carbon, nitrogen and sulfur (CNS) elemental analyses, vitrinite reflec...
Rare earth elements in a stalagmite from southwestern Japan: A potential proxy for chemical weathering
stalagmite rare earth elements partitioning paleoenvironment chemical weathering
2017/4/10
This study examines the distribution of rare earth elements (REEs) in an 18–4.5 ka stalagmite in southwestern Japan,
with the aim of assessing the utility of such data in paleoenvironmental reconstru...
Dissolved ion analyses of stream water from bamboo forests: Implication for enhancement of chemical weathering by bamboo
weathering rate plagioclase dissolved ions bamboo stream water
2017/4/11
Dissolved ion analyses of stream water were conducted monthly in three catchments of varying bamboo coverage of
similar geological setting for one year. We found that the concentration of dissolved S...
Boron Release from Weathering of Illites, Serpentine, Shales,and Illitic/Palygorskitic Soils
Illitic/Palygorskitic Soils Boron Release
2011/11/11
Boron Release from Weathering of Illites, Serpentine, Shales,and Illitic/Palygorskitic Soils.
Amorphous Aluminum Hydroxide Formed at the Earliest Weathering Stages of K-Feldspar
Aluminum hydroxide Gibbsite Halloysite K-feldspar Weathering product
2011/12/27
Weathering products formed on the surface of K-feldspar in Yakushima Island, Japan were investigated by X-ray powder diffraction (XRD), scanning electron microscopy (SEM), transmission electron micros...
Asteroid age distributions determined by space weathering and collisional evolution models
Asteroid age distributions determined space weathering collisional evolution models
2011/1/11
We provide evidence of consistency between the dynamical evolution of main belt asteroids and their color evolution due to space weathering. The dynamical age of an asteroid's surface \citep{bib.bot05...
Provenance and weathering history of Archaean Naharmagra quartzite of Aravalli craton, NW Indian shield: Petrographic and geochemical evidence
geochemistry crustal evolution Aravalli craton Rajasthan Indian shield
2017/8/9
The petrography as well as major, trace and rare earth element (REE) compositions of Mesoarchaean Naharmagra quartzite of Aravalli Craton have been investigated to determine influence of sorting and r...
Dependence of plant-induced weathering of basalt and andesite on nutrient conditions
andesite basalt element release nutrient conditions plants weathering
2017/8/9
To study the effect of nutrient conditions on the weathering of rock, hydroponic cultivation experiments of two crop plants (soybean and maize) were conducted with two different levels of nutrient sup...
Influence of weathering and pre-existing large scale fractures on gravitational slope failure: insights from 3-D physical modelling
weathering and pre-existing large scale fractures gravitational slope failure 3-D physical modelling
2009/12/14
The shallower one represents the zone subject to homogeneous weathering and is made of low strength material of compressive strength σl. The deeper (core) part of the model is stronger and simulates i...
Mesozoic mudstone compositions and the role of kaolinite weathering–a view from shallow cores in the Norwegian Sea (Møre to Troms)
Mesozoic mudstone compositions kaolinite weathering shallow cores
2009/12/3
Mineralogical data from Mesozoic fine clastic sediments in shallow cores offshore Møre to Troms are compiled. The purpose is to examine stratigraphic and geographic variations in rock compositi...
Diagenesis and weathering of quartzite at the palaeic surface on the Varanger Peninsula,northern Norway
Diagenesi and sweathering of quartzite palaeic surface Varanger Peninsula
2009/12/2
Weathered zones in quartzitic bedrock on the Hak alancˇearru Mountain on the Varanger Peninsula, northern Norway, have been examined, as has the timing of their development. The weathered zones are ma...