Damien Calmels
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View article: Regulation of Particulate Organic Carbon by Cascade Mega‐Reservoirs in the Changjiang Basin: Enhanced Sequestration and Altered Downstream Composition
Regulation of Particulate Organic Carbon by Cascade Mega‐Reservoirs in the Changjiang Basin: Enhanced Sequestration and Altered Downstream Composition Open
Artificial reservoirs significantly alter the natural transport of suspended particulate matter (SPM) from rivers to oceans, thereby reshaping the global carbon cycle through changes in particulate organic carbon (POC) dynamics over decada…
View article: Deciphering Degassing Mechanisms of He and H2 ${\mathbf{H}}_{\mathbf{2}}$ at the Sedimentary Basin‐Basement Interface by Surface Geophysics and Gas Geochemistry
Deciphering Degassing Mechanisms of He and H2 ${\mathbf{H}}_{\mathbf{2}}$ at the Sedimentary Basin‐Basement Interface by Surface Geophysics and Gas Geochemistry Open
With the increasing importance of the carbon footprint of transport, new sources, closer to consumers, of and He are explored. Within this context, we present a combined near‐surface geophysical imaging, soil gas sampling, and bubbling wel…
View article: Heating effect on chromium speciation and mobility in Cr-rich soils: A snapshot from New Caledonia
Heating effect on chromium speciation and mobility in Cr-rich soils: A snapshot from New Caledonia Open
In the context of global warming, wildfires are expected to increase in both frequency and intensity in the forthcoming decades. Among the environmental and ecological wildfires-induced impacts, the risk of freshwater pollution by soilborn…
View article: Comment on egusphere-2023-1045
Comment on egusphere-2023-1045 Open
Abstract. The Huanghe (Yellow River), one of the largest turbid river systems in the world, has long been recognized as a major contributor of suspended particulate matter (SPM) to the ocean. However, over the last few dec…
View article: Channel cross-section heterogeneity of particulate organic carbon transport in the Huanghe
Channel cross-section heterogeneity of particulate organic carbon transport in the Huanghe Open
The Huanghe (Yellow River), one of the largest turbid river systems in the world, has long been recognized as a major contributor of suspended particulate matter (SPM) to the ocean. However, over the last few decades, the SPM export flux o…
View article: How wildfires can impact nickel concentration and biogeochemistry at ultramafic drinking water catchments: An example study in New Caledonia
How wildfires can impact nickel concentration and biogeochemistry at ultramafic drinking water catchments: An example study in New Caledonia Open
In New Caledonia, a significant fraction of soils developed on the Peridotite Nappe are naturally enriched in trace metals, such as nickel and chromium, that can be remobilized upon wildfires (Thery et al., 2022). In this Pacific archipela…
View article: Do we need to have mineral-specific Δ<sub>47 </sub>: calibrations and/or acid fractionation factors and/or community standards ?
Do we need to have mineral-specific Δ<sub>47 </sub>: calibrations and/or acid fractionation factors and/or community standards ? Open
View article: Denudation and weathering rates of carbonate lithologies from meteoric <sup>10</sup>Be/<sup>9</sup>Be ratios
Denudation and weathering rates of carbonate lithologies from meteoric <sup>10</sup>Be/<sup>9</sup>Be ratios Open
View article: The fate of riverine alkalinity: a case study in the Upper Mekong and Salween River.
The fate of riverine alkalinity: a case study in the Upper Mekong and Salween River. Open
View article: MOdern River archivEs of Particulate Organic Carbon: MOREPOC
MOdern River archivEs of Particulate Organic Carbon: MOREPOC Open
Riverine transport of particulate organic carbon (POC) associated with terrigenous solids to the ocean has an important role in the global carbon cycle. To advance our understanding of the source, transport, and fate of fluvial POC from re…
View article: Comment on essd-2022-161
Comment on essd-2022-161 Open
Abstract. Riverine transport of particulate organic carbon (POC) associated with terrigenous solids to the ocean has an important role in the global carbon cycle. To advance our understanding of the source, transport, and …
View article: Comment on essd-2022-161
Comment on essd-2022-161 Open
Abstract. Riverine transport of particulate organic carbon (POC) associated with terrigenous solids to the ocean has an important role in the global carbon cycle. To advance our understanding of the source, transport, and …
View article: Review of essd-2022-161
Review of essd-2022-161 Open
Abstract. Riverine transport of particulate organic carbon (POC) associated with terrigenous solids to the ocean has an important role in the global carbon cycle. To advance our understanding of the source, transport, and …
View article: MOdern River archivEs of Particulate Organic Carbon: MOREPOC
MOdern River archivEs of Particulate Organic Carbon: MOREPOC Open
The supply of particulate organic carbon (POC) associated with terrigenous solids transported to the ocean by rivers plays a significant role in the global carbon cycle. To advance our understanding of the source, transport, and fate of fl…
View article: Transport of Particulate Organic Carbon in The Huanghe: Insights from Lateral And Vertical Heterogeneity in a River Cross-section
Transport of Particulate Organic Carbon in The Huanghe: Insights from Lateral And Vertical Heterogeneity in a River Cross-section Open
The Huanghe (Yellow River), one of the largest turbid river systems in the world, has long been recognized as a major contributor of suspended particulate matter (SPM) to the ocean. However, over the last few decades, the SPM export flux o…
View article: Transport of Particulate Organic Carbon in The Huanghe: Insights from Lateral And Vertical Heterogeneity in a River Cross-section
Transport of Particulate Organic Carbon in The Huanghe: Insights from Lateral And Vertical Heterogeneity in a River Cross-section Open
The Huanghe (Yellow River), one of the largest turbid river systems in the world, has long been recognized as a major contributor of suspended particulate matter (SPM) to the ocean. However, over the last few decades, the SPM export flux o…
View article: The influence of black shale weathering on riverine barium isotopes
The influence of black shale weathering on riverine barium isotopes Open
View article: InterCarb: A Community Effort to Improve Interlaboratory Standardization of the Carbonate Clumped Isotope Thermometer Using Carbonate Standards
InterCarb: A Community Effort to Improve Interlaboratory Standardization of the Carbonate Clumped Isotope Thermometer Using Carbonate Standards Open
Increased use and improved methodology of carbonate clumped isotope thermometry has greatly enhanced our ability to interrogate a suite of Earth‐system processes. However, interlaboratory discrepancies in quantifying carbonate clumped isot…
View article: Carbon dioxide emissions by rock organic carbon oxidation and the net geochemical carbon budget of the Mackenzie River Basin
Carbon dioxide emissions by rock organic carbon oxidation and the net geochemical carbon budget of the Mackenzie River Basin Open
The exposure of organic carbon in rocks to oxidative weathering can release carbon dioxide (CO2) to the atmosphere and consume atmospheric oxygen. Alongside volcanism, metamorphism, and the weathering of carbonate minerals by sulfuric acid…
View article: Global climate control on carbonate weathering intensity
Global climate control on carbonate weathering intensity Open
View article: Nickel distribution and isotopic fractionation in a Brazilian lateritic regolith: Coupling Ni isotopes and Ni K-edge XANES
Nickel distribution and isotopic fractionation in a Brazilian lateritic regolith: Coupling Ni isotopes and Ni K-edge XANES Open
View article: Oxygen isotope analysis of the eyes of pelagic trilobites: Testing the application of sea temperature proxies for the Ordovician
Oxygen isotope analysis of the eyes of pelagic trilobites: Testing the application of sea temperature proxies for the Ordovician Open
View article: Ecosystem controlled soil-rock pCO2 and carbonate weathering – Constraints by temperature and soil water content
Ecosystem controlled soil-rock pCO2 and carbonate weathering – Constraints by temperature and soil water content Open
View article: OZCAR: The French Network of Critical Zone Observatories
OZCAR: The French Network of Critical Zone Observatories Open
Core Ideas OZCAR is a network of sites studying the critical zone. OZCAR covers various disciplines. OZCAR will help disciplines to work together for a better representation and modeling of the critical zone. The French critical zone initi…
View article: Laboratory-grown coccoliths exhibit no vital effect in clumped isotope (Δ47) composition on a range of geologically relevant temperatures
Laboratory-grown coccoliths exhibit no vital effect in clumped isotope (Δ47) composition on a range of geologically relevant temperatures Open
View article: Calibration of the dolomite clumped isotope thermometer from 25 to 350 °C, and implications for a universal calibration for all (Ca, Mg, Fe)CO3 carbonates
Calibration of the dolomite clumped isotope thermometer from 25 to 350 °C, and implications for a universal calibration for all (Ca, Mg, Fe)CO3 carbonates Open
View article: Nickel isotope fractionation during laterite Ni ore smelting and refining: Implications for tracing the sources of Ni in smelter-affected soils
Nickel isotope fractionation during laterite Ni ore smelting and refining: Implications for tracing the sources of Ni in smelter-affected soils Open
View article: Erosion of organic carbon in the Arctic as a geological carbon dioxide sink
Erosion of organic carbon in the Arctic as a geological carbon dioxide sink Open
Soils of the northern high latitudes store carbon over millennial timescales (thousands of years) and contain approximately double the carbon stock of the atmosphere. Warming and associated permafrost thaw can expose soil organic carbon an…