Hopwood dissolved ocean 2022

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WebHopwood, Mark James; Meyer, Judith; Achterberg, Eric Pieter; Gledhill ... The file contains dissolved and total dissolvable trace metal concentrations (Fe, Co, Mn, Ni, Cd ... German Science Foundation (DFG), grant/award no. 27542298: Climate - Biogeochemistry Interactions in the Tropical Ocean. Coverage: Median Latitude: -13.170926 ...

Seasonal Changes in Fe along a Glaciated Greenlandic Fjord

Web29 sep. 2024 · Introduction. Dissolved organic carbon (DOC) is one of the largest oceanic carbon pools (Hansell and Carlson, 2001).The marine DOC contains 660 Pg of carbon, comparable to the carbon dioxide in the atmosphere (Hansell, 2013).Biologically mediated DOC production sequestrates the atmospheric carbon into the ocean, followed by a long … Web14 aug. 2024 · Fluxes of Fe to the coastal ocean are sustained from both land- and marine-terminating glaciers 18, 19. It is well demonstrated that significant (~90–99%) losses of glacially sourced dissolved... marie morenz

Highly variable iron content modulates iceberg-ocean ... - Nature

Web17 aug. 2024 · Metrics. Dissolved oxygen (O 2) is essential for most ocean ecosystems, fuelling organisms’ respiration and facilitating the cycling of carbon and nutrients. Oxygen measurements have been ... Web22 nov. 2024 · Broad regions of lower-than-average primary productivity during 2024, particularly for the Beaufort Sea, East Siberian Sea, Greenland Sea, and Baffin Bay (associated with higher-than-average sea ice cover in these regions), contributed to the high variability of primary productivity over both space and time across the Arctic. Introduction WebItems where Author is "Hopwood, Mark J." Login; ... (2024) Solid-phase Mn speciation in suspended particles along meltwater-influenced fjords of West Greenland. Geochimica et Cosmochimica Acta, 326 . pp. 180-198. DOI ... dalila correa

Items where Author is "Hopwood, Mark J." - OceanRep

Influence of pH and Dissolved Organic Matter on Iron Speciation …

WebDissolved organic phosphorus concentrations in the surface ocean controlled by both phosphate and iron stress data.csv data for plot parameters section: cruise name LATITUDE: latitude LONGITUDE: longitude upper50mDOPstock: upper 50 m DOP stock (mmol m-2) MeanDOPUpper50: mean 50m DOP stock concentrations (µM) iron stress: … Web22 nov. 2024 · Estimates of ocean primary productivity in 2024 for nine regions and across the Northern Hemisphere (relative to the 2003-21 reference period) were assessed (Fig. … dalila bela personal lifeWeb28 jan. 2024 · For the first time, scientists measure oxygen flow into the deep ocean interior of the Labrador Sea between Canada and Greenland. They studied how much oxygen absorbed by the sea each winter makes ... dalila dragojevic official instagram

"WebProf. Hopwood was appointed an Assistant Professor at SUSTech in April 2024. He has participated in over 8 research cruises and spent over 8 months on polar campaigns in … " - Hopwood dissolved ocean 2022

Hopwood dissolved ocean 2022

DOP/README.md at main · zliangocean/DOP · GitHub

Web30 okt. 2024 · 1. Introduction. The main sources of dissolved organic carbon (DOC) in coastal waters include terrestrial sources such as soil organic matter and degraded plant biomass (Benner and Opsahl, 2001; Hope et al., 1994; Raymond and Bauer, 2001b), in situ production by phytoplankton and aquatic plants (Markager et al., 2011; Raymond et al., … WebTogether with the most recent synopsis of Arctic-Atlantic volume fluxes, the observed trace element distributions suggest that Fram Strait is the most important gateway for Arctic-Atlantic dissolved micronutrient exchange as a consequence of Intermediate and Deep Water transport.

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Web6 jul. 2024 · The chemical speciation of iron (Fe) in oceans is influenced by ambient pH, dissolved oxygen, and the concentrations and strengths of the binding sites of dissolved organic matter (DOM). Here, we derived new nonideal competitive adsorption (NICA) constants for Fe (III) binding to marine DOM via pH-Fe titrations. Web1 mei 2024 · The Arctic Ocean is considered a source of micronutrients to the Nordic Seas and the North Atlantic Ocean through the gateway of Fram Strait (FS). However, there is …

Webocean deoxygenation: a case study from the Peruvian oxygen minimum zone Klaus Wallmann · Yonss S. José · Mark J. Hopwood · Christopher J. Somes · Andrew W. Dale … Web14 aug. 2024 · Dissolved Fe (DFe) samples were collected from Ocean Test Equipment samplers mounted on a plastic coated sampling rosette with a Kevlar conducting cable …

WebNov 2024 Xue-Gang Chen Stephan Krisch Ali Al-Hashem [...] E. P. Achterberg We present high-resolution profiles of dissolved, labile and total particulate trace metals (TMs) on … Web10 jun. 2024 · New nonideal competitive adsorption (NICA) constants for Fe(III) binding to marine DOM via pH-Fe titrations are derived and derive the apparent Fe( III) solubility (SFe(II)app) in the ambient water column across the Peruvian shelf and slope region. The chemical speciation of iron (Fe) in oceans is influenced by ambient pH, dissolved …

Web28 sep. 2024 · Oceanographers and chemists working together. While previous estimates put the ocean sink at around 2bn tonnes of CO2 per year, we find that it could be 0.8-09bn tonnes larger. Over the whole 27-year study period of 1992-2024, this means the global oceans have taken up 67bn tonnes of CO2 rather than 43bn. This advance in …

WebDissolved organic phosphorus concentrations in the surface ocean controlled by both phosphate and iron stress data.csv data for plot parameters section: cruise name … marie morley attorney santa rosaWeb5 dec. 2014 · DOI: 10.1016/J.ECSS.2014.09.015 Corpus ID: 129850133; Dissolved Fe(II) in a river-estuary system rich in dissolved organic matter @article{Hopwood2014DissolvedFI, title={Dissolved Fe(II) in a river-estuary system rich in dissolved organic matter}, author={Mark James Hopwood and Peter J. Statham and … marie morgane adatteWebAnnals of Glaciology Article Cite this article: Fransson A, Chierici M, Nomura D, Granskog MA, Kristiansen S, Martma T, Nehrke G (2024). Influence of glacial dalila fontanaWeb15 dec. 2024 · Dissolved Fe. The dissolved Fe (dFe) concentration and salinity of fjord surface water (1 m depth) is plotted from fjord head to mouth for each of the three transects in Fig. 2. Measurements of dFe from the Arfersiorfik transect, the longest transect performed in the Disko Bay region, varied from 4.3 to 6.2 nM depending on sample location. dalila galeotti veneziaWeb1 mei 2024 · 2024 We present high‐resolution profiles of dissolved, labile, and total particulate trace metals (TMs) on the Northeast Greenland shelf from GEOTRACES cruise GN05 in August 2016. Combined with radium… Expand PDF Save Alert Quantifying Ice‐Sheet Derived Lead (Pb) Fluxes to the Ocean; A Case Study at Nioghalvfjerdsbræ marie moore attorney orrville ohioWeb1 mrt. 2024 · The dissolved oxygen content of the global ocean has decreased by about 2% over the last 50 years (Schmidtko et al. 2024). This loss is about twice as high as … marie morrison obituaryWeb1 mrt. 2016 · Chlorophyll a, DOC, and Dissolved Oxygen. Chlorophyll a in surface water (Figure 4) increased along the fjord transect (2.6–11 μg L −1) in May.Particularly high algal biomass was observed at GF10 and GF11 (10 and 11 μg L −1 respectively). This may reflect the normally later development of the spring bloom in the fjord compared to … marie mortera age