Unveiling the Complexity of Lead Distribution in the Pacific Ocean: Insights from the GEOTRACES GP15 Transect
This recent study by Jiang and colleagues investigates the distribution and sources of lead in the Pacific Ocean.
Pacific Ocean
Organic matter export rates along a North-South Pacific Ocean section: what three estimating methods tell us
Quay and his colleagues present estimates of the organic matter export rate along the GEOTRACES GP15 cruise section.
East-West contrasting fate and anthropogenic inputs for dissolved trace metals in the Subarctic Pacific Ocean
Chan and co-authors report the full-depth distribution of dissolved nickel, copper, zinc, and cadmium in the North Pacific Ocean.
Comprehensive quantification of the rare earth element cycle in the northwest Pacific Ocean
Cao and co-authors investigate dissolved rare earth elements and the factors controlling their distributions in the northwest Pacific Ocean.
Iron and zinc isotopes disentangle the anthropogenic, natural and wildfire sources of aerosols over the North and Equatorial Pacific Ocean
Bunnell and co-authors analysed aerosol iron and zinc isotopic compositions along the North Pacific GEOTRACES GP15 section (Alaska-Tahiti).
Substantial trace metal input from the 2022 Hunga Tonga-Hunga Ha’apai eruption into the South Pacific Ocean
Zhang and co-workers investigate the impact of the 2022 eruption on the biogeochemistry of the South Pacific Gyre.
Iron limitation also affects the twilight zone
Li and co-workers established the distribution and uptake of siderophores along the Pacific meridional section (GP15 GEOTRACES cruise)…
Long distance dissolved iron transport in the North-East Pacific revealed by multiple tracers and an ocean circulation model
Sieber and co-authors have made extensive use of the multi-tracer approach, coupled to an oceanic circulation model…
Biogeochemical behaviours of barium and radium-226 in the Pacific Ocean
Barium and radium-226 are not just proxies for nutrients and ocean circulation but are themselves marine biogeochemical tracers…
North-South section of bioactive cadmium, nickel, zinc, copper and iron along GEOTRACES transect GP19 in the Pacific Ocean
Zheng and his colleagues propose the first full sections of the simultaneous dissolved distributions of five nutrient-type trace metals in the western South Pacific Ocean.
A thorough estimate of the hydrothermal plumes on neodymium concentration and isotope oceanic cycles
Basak and co-workers investigated the influence of particulate matter on neodymium distributions in the Southern East Pacific Rise Hydrothermal Plume.
A detailed investigation of iron complexation by organic ligands in the Western Tropical South Pacific Ocean
Mahieu and his co-workers present the conditional concentration and binding-strength of iron-binding ligands during the GEOTRACES TONGA cruise.
North-South radium-228 section in the Pacific Ocean
Moore and colleagues present results from radium-228 along the U.S. GEOTRACES Pacific Meridional Transect (GP15).
A dynamic iron cycle in Peru
Gu and colleagues explore the temporal variation of iron over 11 cruises along the Peruvian shelf.
Aluminium, manganese, iron, cobalt, and lead display contrasting fate along north–south and east–west sections in the North Pacific Ocean
Chan et co-authors provide a comprehensive view of trace metal distribution in the subarctic Pacific Ocean.
Are the pelagic clay-rich sediments a major source of elements to bottom-waters?
Steiner and colleagues analysed porewater and bulk sediment concentrations of multiple trace elements along a transect from Hawaii to Alaska.
Lead isotopes allow tracing the processes injecting of anthropogenic lead in deep waters
This work follows the penetration of anthropogenic lead (traced using its isotopic signatures) into the pristine deep Pacific Ocean.
Using machine learning to accurately simulate the oceanic barium distribution
Mete and colleagues used machine learning to predict the global distribution of oceanic barium…
First direct measurement of actinium (but also radium and thorium) distribution coefficient values in marine sediments
Actinium-227, radium-226 and radium-228 profiles in sediments were measured and modeled at 5 stations in the Northeast Pacific…
Pulling back the veil on reversible scavenging of lead
This work further contains the role that reversible scavenging may play in the cycling of lead in the ocean, an ever-evolving global experiment where lead contamination can be tracked in real-time.
The North Pacific Ocean, a key actor for the zinc oceanic cycle
Sieber and his colleagues lift the veil on some of the mechanisms that control the behavior of zinc in the Pacific Ocean, and more globally.
Disentangling what controls the cadmium distribution in the Pacific Ocean
Sieber and his colleagues established the distribution of dissolved cadmium concentrations and isotopes in a section extending from Alaska to Tahiti.
Different fates of four poorly soluble trace elements in the Pacific Ocean
Zheng and co-authors present the full-depth distributions of aluminum, lead, manganese and copper in the western South Pacific.
The Tonga arc, an iron boundary in the South West Pacific Ocean
As part of the TONGA GEOTRACES process study, Tilliette and colleagues identified high dissolved iron concentrations in the west of the Tonga arc.
Dominance of the benthic flux of rare earth elements on continental shelves
Deng and his colleagues focus on one of the largest land–ocean interfaces in Asia, the Changjiang River–East China Sea system.
High resolution of dissolved and particulate barium distributions in the Atlantic and Pacific Ocean reveal the importance of the margin sources on the oceanic barium budget
Rahman and co-workers performed intensive samplings and analyses of barium along the GEOTRACES GA03 and GP16 transects.
High resolution of dissolved and particulate barium distributions in the Atlantic and Pacific Ocean reveal the importance of the margin sources on the oceanic Ba budget
Rahman and co-workers performed intensive samplings and analyses of barium along the GEOTRACES GA03 and GP16 transects.
Distributions, boundary inputs, and scavenging processes of trace metals in the East Sea (Japan Sea)
Seo and his colleagues show pronounced atmospheric and shelf inputs of trace elements in the Japan Sea.
New trace metal data in the Seas of Japan and Okhotsk
Nakaguchi and colleagues realized full-depth and section distributions of traces metals collected from the Seas of Japan and Okhotsk.
A better insight into parameters that control particle flux in the ocean
Xiang and co-workers compiled full ocean-depth size-fractionated particle data from three recent U.S. GEOTRACES cruises.