Stable carbon isotope analysis on fossil Cedrus pollen shows summer aridification in Morocco during the last 5000 years
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Quaternary Science"
DOI: 10.1002/jqs.3103
Abstract: Quantitative climate reconstructions from pollen typically rely on empirical relationships between pollen abundances or assemblages and climate, such as the modern analogue technique. However, these techniques may be problematic when applied to fossil sequences, as… read more here.
Keywords: pollen; summer; isotope analysis; carbon isotope ... See more keywords
Partitioning of mesophyll conductance for CO2 into intercellular and cellular components using carbon isotope composition of cuticles from opposite leaf sides
Sign Up to like & getrecommendations! Published in 2019 at "Photosynthesis Research"
DOI: 10.1007/s11120-019-00628-7
Abstract: We suggest a new technique for estimating the relative drawdown of CO2 concentration (c) in the intercellular air space (IAS) across hypostomatous leaves (expressed as the ratio cd/cb, where the indexes d and b denote… read more here.
Keywords: isotope composition; carbon isotope; co2; resistance ... See more keywords
Carbon isotope fractionation during shale gas transport: Mechanism, characterization and significance
Sign Up to like & getrecommendations! Published in 2020 at "Science China Earth Sciences"
DOI: 10.1007/s11430-019-9553-5
Abstract: The gas in-place (GIP) content and the ratio of adsorbed/free gas are two key parameters for the assessment of shale gas resources and have thus received extensive attention. A variety of methods have been proposed… read more here.
Keywords: free gas; isotope fractionation; gas; carbon isotope ... See more keywords
Reporting atmospheric CO2 pressure corrected results of stable carbon isotope analyses of cereals remains from the archaeological site of Peñalosa (SE Iberian Peninsula): agricultural and social implications
Sign Up to like & getrecommendations! Published in 2018 at "Archaeological and Anthropological Sciences"
DOI: 10.1007/s12520-018-0650-6
Abstract: The practice of agriculture across the Mediterranean basin has had significant social and economic consequences, including the development of social inequalities. To inform on plant water status and thus on agricultural management techniques and environmental… read more here.
Keywords: carbon; atmospheric co2; carbon isotope; site ... See more keywords
Carbon-Isotope Excursions Recorded in the Cambrian System, South China: Implications for Mass Extinctions and Sea-Level Fluctuations
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Earth Science"
DOI: 10.1007/s12583-017-0963-x
Abstract: Cambrian carbonates with abundant fossils of agnostoid trilobites deposited on the southern slope (Jiangnan slope belt) of the Yangtze Platform and in the Jiangnan deepwater basin are well exposed in the Wangcun Section of western… read more here.
Keywords: south china; isotope excursions; isotope; carbon isotope ... See more keywords
Relationship between stable carbon isotope discrimination and water use efficiency under deficit drip irrigation of kiwifruit in the humid areas of South China
Sign Up to like & getrecommendations! Published in 2020 at "Agricultural Water Management"
DOI: 10.1016/j.agwat.2020.106300
Abstract: Abstract In order to explore the application value of the stable carbon isotope discrimination method in improving water use efficiency (WUE) and productivity of kiwifruit under deficit drip irrigation, five water deficit levels (55 %,… read more here.
Keywords: water; isotope discrimination; carbon isotope; kiwifruit ... See more keywords
Identification of wintertime carbonaceous fine particulate matter (PM2.5) sources in Kaunas, Lithuania using polycyclic aromatic hydrocarbons and stable carbon isotope analysis
Sign Up to like & getrecommendations! Published in 2020 at "Atmospheric Environment"
DOI: 10.1016/j.atmosenv.2020.117673
Abstract: Abstract The study aimed at demonstrating the application of PAHs and δ13C indoor and outdoor measurements towards resolving airborne carbonaceous particle sources in wintertime. Concurrent outdoor and indoor measurements of PM2.5 and size-resolved (PM0.056-2.5) particulate… read more here.
Keywords: pm2; carbon; carbon isotope; particulate matter ... See more keywords
Chemostratigraphy and palaeo-environmental characterisation of the Cambrian stratigraphy in the Amadeus Basin, Australia
Sign Up to like & getrecommendations! Published in 2017 at "Chemical Geology"
DOI: 10.1016/j.chemgeo.2017.01.019
Abstract: Abstract The sedimentary succession of the central Australian Amadeus Basin consists of Neoproterozoic to Carboniferous sedimentary rocks and contains shallow marine, subtidal carbonates of Middle to Late (Series 2 to Furongian) Cambrian age. A combination… read more here.
Keywords: stratigraphy; sequence; amadeus basin; carbon isotope ... See more keywords
Linking the Bitter Springs carbon isotope anomaly and early Neoproterozoic oxygenation through I/[Ca + Mg] ratios
Sign Up to like & getrecommendations! Published in 2019 at "Chemical Geology"
DOI: 10.1016/j.chemgeo.2019.06.015
Abstract: Abstract The ca. 810 Ma Bitter Springs carbon isotope anomaly is an abrupt and long-lived (5–10 Myr.) departure from the positive carbon isotope values (δ 13 C carb ) that otherwise characterize early-middle Neoproterozoic carbonate rocks.… read more here.
Keywords: carbon isotope; isotope; bitter springs; isotope anomaly ... See more keywords
Asynchronous δ13Ccarb and δ13Corg records during the onset of the Mulde (Silurian) positive carbon isotope excursion from the Altajme core, Gotland, Sweden
Sign Up to like & getrecommendations! Published in 2021 at "Chemical Geology"
DOI: 10.1016/j.chemgeo.2021.120256
Abstract: Abstract High-resolution paired analyses of δ13Ccarb and δ13Corg from a new drill core from Gotland, Sweden, demonstrate asynchronous positive change in the carbon isotope records during the onset of one of the major Silurian biogeochemical… read more here.
Keywords: carbon isotope; core gotland; 13ccarb 13corg; gotland sweden ... See more keywords
Albian (Lower Cretaceous) carbon isotope chemozones, Texas Comanche Shelf and Mexican Chihuahua Trough: Implications for OAEs
Sign Up to like & getrecommendations! Published in 2020 at "Cretaceous Research"
DOI: 10.1016/j.cretres.2020.104453
Abstract: Abstract Organic-carbon-rich black shale beds that are associated with positive carbon isotope excursions and yield pelagic fossils are evidence of short-term changes in ocean water mass and are important chronostratigraphic correlation tools. Five recognized Cretaceous… read more here.
Keywords: texas comanche; carbon; water; carbon isotope ... See more keywords