Lithogenic sources
Web7 sep. 2024 · Lithogenic particles can be delivered to SOTS by either winds or currents. A sub-surface, current-advected source of lithogenic material arriving at SOTS has … Web6 nov. 2024 · Particle sources and biogeochemical cycling processes are inferred using particle-type proxies and elemental ratios. Enhanced concentrations of bio-essential L …
Lithogenic sources
Did you know?
WebThorium (Th) isotopes were applied to quantify the supply of lithogenic inputs from the Kerguelen Plateau to the Southern Ocean. The dissolved concentrations of 232Th and 230Th were measured following a novel pre-concentration method using the Nobias resin from 10 stations above and on the slopes of the plateau. Elevated 232Th/230Th ratios in … Web20 nov. 2024 · Eastern Kerguelen coastal samples clearly reveal a local source of lithogenic material, most likely coming from some weathering and/or dissolution of the shallow …
Web13 apr. 2024 · Agricultural and lithogenic sources accounted for 45.30% of the Cu concentration, 41.60% of the Zn concentration and 50.70% of the Ni concentration. The results of the study should be used to control and reduce the heavy metal element inputs and ensure the safety and quality of vegetable production through regular monitoring, … WebThe minerals of soil, which control magnetic susceptibility, can in principle originate from three main sources: lithogenic derived from parent material, pedogenic due to …
WebEnrichment factors (EFs) indicated that Cd, Cu, Pb and Zn were from anthropogenic sources, while Ni and Cr were controlled mainly by natural lithogenic source. Multivariate statistical analyses were in agreement, … Web31 mrt. 2024 · In this study, lithogenic components are defined as those components produced from the weathering of bedrocks and soils in the catchment area that were …
Web1 nov. 2024 · The lithogenic fluxes range from 0.24 to 20.47 g m −2 yr −1 (Fig. 2, Tab. 1).The samples located offshore New Zealand́s South Island show the highest lithogenic fluxes in the study area (0.72–20.47 g m −2 yr −1) but decrease with increasing distance to New Zealand (Fig. 2).The lithogenic fluxes in this area indicate a slight decline south of …
Web21 mei 2024 · Traditionally, aerosol Fe emissions were associated with lithogenic sources only, assuming an average Fe content similar to the upper crustal material (3.5% for the … shure pg drum micsWeb29 dec. 2024 · Groundwater chemistry depends on hydrogeology, degree of chemical weathering of various rocks (lithogenic sources), quality of recharge water, and … the oval oadby leicesterWebSources. Rivers are one of the major suppliers of LSi to marine environments. As they flow, rivers pick up fine particles, such as clays, silts, and sand, through physical weathering. Lithogenic silicic acid forms through chemical weathering, as CO 2-rich water comes into contact with silicate and aluminosilicate minerals from terrestrial rocks. the oval northern irelandWebLithogenic silicic acid forms through chemical weathering, as CO 2-rich water comes into contact with silicate and aluminosilicate minerals from terrestrial rocks. The silicic acid … the oval next episodeWeb16 mrt. 2024 · They are commonly used to trace lithogenic input sources and water mixing , which are in turn very important for understanding the behavior of trace elements in the oceans (Zhang et al., 2008; Zheng et al., 2016; Behrens et al., 2024a; Garcia-Solsona et al., 2024; Behrens et al., 2024). the oval new seasonWeb10 jul. 2014 · In both reservoirs, Cd and As mainly came from industrial activities and lithogenic source through inflows, respectively. The Pb, Cr and Cu in Hongfeng Reservoir may have arisen from a mixture of sources (traffic pollution and residual effect of former industrial influence), and they were present at higher concentrations at the junction of the … shure pgxd14 digital wireless guitar systemWeb11 sep. 2024 · The principal sink of silicon is typically considered to be the stripping of surface DSi by diatoms, followed by biogenic particle export and sedimentation. … the oval nick barrotta