Results 41 to 50 of about 3,012,109 (369)
Using ocean models to predict spatial and temporal variation in marine carbon isotopes
, 2017 Natural-abundance stable isotope ratios provide a wealth of ecological information relating to food web structure, trophic level, and location. The correct interpretation of stable isotope data requires an understanding of spatial and temporal variation ...
S. Magozzi +4 more
semanticscholar +1 more source
, 2016 . Land surface models are useful tools to quantify contemporary and future climate impact on terrestrial carbon cycle processes, provided they can be appropriately constrained and tested with observations.
B. Raczka +6 more
semanticscholar +1 more source
Petroleum Research, 2017 Carbon and oxygen isotopes of marine carbonate rocks or fossil shells could indicate global sea-level relative change. Generally, heavier carbon isotopes or lighter oxygen isotopes reflected rise of global sea-level relative changes, and vice versa.
Zongju Zhao, Jianguo Wang, Peixi Wang
doaj +1 more source
Terrestrial and fluvial carbon fluxes in a tropical watershed: Nyong basin, Cameroon [PDF]
, 2009 The Nyong watershed, with an area of 27 800 km2 and a mean annual discharge of 390 m3 s−1, is the second largest river in Cameroon. The Nyong watershed serves as an outstanding study area for the examination of carbon fluxes in humid tropical ...
Boeglin, Jean-Loup +6 more
core +2 more sources
Stable isotope analysis provides new information on winter habitat use of declining avian migrants that is relevant to their conservation [PDF]
, 2012 Winter habitat use and the magnitude of migratory connectivity are important parameters when assessing drivers of the marked declines in avian migrants. Such information is unavailable for most species.
BJM Stutchbury +59 more
core +4 more sources
Tracing the Deep Carbon Cycle Using Metal Stable Isotopes: Opportunities and Challenges
Engineering, 2019 The subduction of marine carbonates and carbonated oceanic crust to the Earth’s interior and the return of recycled carbon to the surface via volcanism may play a pivotal role in governing Earth’s atmosphere, climate, and biosphere over geologic time ...
Sheng-Ao Liu, Shu-Guang Li
doaj +1 more source
Isotope sample preparation of diatoms for paleoenvironmental research.
PLoS ONE, 2023 Isotopes in diatoms are increasingly used in palaeoenvironmental studies in both lacustrine and marine settings, enabling the reconstruction of a range of variables including temperature, precipitation, salinity, glacial discharge, carbon dynamics and ...
George E A Swann, Andrea M Snelling
doaj +1 more source
, 2016 Isotopes of dissolved inorganic carbon (DIC) are used to indicate both transit times and biogeochemical evolution of groundwaters. These signals can be complicated in carbonate aquifers, as both abiotic (i.e.
M. Nowak +7 more
semanticscholar +1 more source
Carbon Isotopic Measurements of Nanotubes to Differentiate Carbon Sources [PDF]
ACS Omega, 2019 Stable carbon isotope (δ(13C)) analysis can provide information concerning the starting materials and the production process of a material. Carbon nanotubes (CNTs) are produced using a variety of starting materials, catalysts, and production methods.
Chartrand, Michelle M. G. +3 more
openaire +3 more sources
Tree growth acceleration and expansion of alpine forests: The synergistic effect of atmospheric and edaphic change. [PDF]
, 2016 Many forest ecosystems have experienced recent declines in productivity; however, in some alpine regions, tree growth and forest expansion are increasing at marked rates.
Horwath, William R +5 more
core +2 more sources