Webb1 aug. 1993 · In order to identify the provenance of eolian dust, Nd and Sr isotopic compositions and Rb, Sr and rare earth element (REE) concentrations have been determined for the silicate fractions of deep-sea sediments from the north and central Pacific Ocean. Different regions of the Pacific Ocean are characterized by distinct air … Webb1 dec. 2024 · The provenance of the LGM dust varied spatially, with an older, more “continental” signature (low ε Nd, high 87Sr/ 86Sr) sourced from Australia in the northern …
Seasonal provenance changes of present-day Saharan dust …
Webb1 dec. 2024 · Abstract. Atmospheric dust is a primary source of iron (Fe) to the open ocean, and its flux is particularly important in the high nutrient, low chlorophyll (HNLC) … WebbAtmospheric dust is a primary source of iron (Fe) to the open ocean, and its flux is particularly important in the high nutrient, low chlorophyll (HNLC) Southern Ocean where … sectional with built in lift recliners
(PDF) Asian provenance of glacial dust (stage 2) in the Greenland …
Webb18 maj 2024 · Dust transported to the oceans can also affect climate via ocean fertilization, as mineral dust containing iron can modulate the uptake of carbon in marine … WebbWe note that this analysis suggests a common provenance for Quaternary ... which is subsequently deposited in regions downwind such as the North Pacific Ocean, North America, and Greenland (Uno et al., 2009, Újvári et al., 2024). Importantly, the lithogenic dust delivered to the North Pacific provides micronutrients like iron to ... Webb1 Introduction. Changes in Cenozoic dust flux have a critical impact on atmospheric CO 2 content and deep-sea carbon cycling (Cao et al., 2024).Central Asia and the deserts of western China are an important source of dust, and the pace of their aridification has a strong role on variations of ocean productivity and on the global geochemical cycle … purina partners with dc league of super-pets