Convergent approaches to determine an ecosystem's transpiration fraction
The transpiration (T) fraction of total terrestrial evapotranspiration (ET), T/ET, can vary across
ecosystems between 20–95% with a global average of∼ 60%. The wide range may either …
ecosystems between 20–95% with a global average of∼ 60%. The wide range may either …
20th century changes in carbon isotopes and water-use efficiency: tree-ring-based evaluation of the CLM4. 5 and LPX-Bern models
Measurements of the stable carbon isotope ratio (δ 13 C) on annual tree rings offer new
opportunities to evaluate mechanisms of variations in photosynthesis and stomatal …
opportunities to evaluate mechanisms of variations in photosynthesis and stomatal …
Pigments, binders, and ages of rock art at Viuda Quenzana, Santa Cruz, Patagonia (Argentina)
GA Brook, NV Franco, A Cherkinsky, A Acevedo… - Journal of …, 2018 - Elsevier
The first direct AMS radiocarbon dating of two rock art motifs in separate rock shelters (VQ1
and VQ2) at the Viuda Quenzana (VQ) archaeological locality in Patagonia, has provided …
and VQ2) at the Viuda Quenzana (VQ) archaeological locality in Patagonia, has provided …
An improved isotopic method for partitioning net ecosystem–atmosphere CO2 exchange
R Wehr, SR Saleska - Agricultural and Forest Meteorology, 2015 - Elsevier
Stable carbon isotopes can be used to partition the net ecosystem–atmosphere exchange
(NEE) of carbon dioxide (CO 2) into its photosynthetic and respiratory components, but the …
(NEE) of carbon dioxide (CO 2) into its photosynthetic and respiratory components, but the …
The influence of warm-season precipitation on the diel cycle of the surface energy balance and carbon dioxide at a Colorado subalpine forest site
Precipitation changes the physical and biological characteristics of an ecosystem. Using a
precipitation-based conditional sampling technique and a 14 year data set from a 25 m …
precipitation-based conditional sampling technique and a 14 year data set from a 25 m …
An observational constraint on stomatal function in forests: evaluating coupled carbon and water vapor exchange with carbon isotopes in the Community Land Model …
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 …
terrestrial carbon cycle processes, provided they can be appropriately constrained and …
Environmental forcing does not induce diel or synoptic variation in the carbon isotope content of forest soil respiration
Recent studies have examined temporal fluctuations in the amount and carbon isotope
content (δ 13 C) of CO 2 produced by the respiration of roots and soil organisms. These …
content (δ 13 C) of CO 2 produced by the respiration of roots and soil organisms. These …
Whole‐tree mesophyll conductance reconciles isotopic and gas‐exchange estimates of water‐use efficiency
Photosynthetic water‐use efficiency (WUE) describes the link between terrestrial carbon (C)
and water cycles. Estimates of intrinsic WUE (iWUE) from gas exchange and C isotopic …
and water cycles. Estimates of intrinsic WUE (iWUE) from gas exchange and C isotopic …
The long-solved problem of the best-fit straight line: application to isotopic mixing lines
R Wehr, SR Saleska - Biogeosciences, 2017 - bg.copernicus.org
It has been almost 50 years since York published an exact and general solution for the best-
fit straight line to independent points with normally distributed errors in both x and y. York's …
fit straight line to independent points with normally distributed errors in both x and y. York's …
Large impacts of small methane fluxes on carbon isotope values of soil respiration
Carbon dioxide isotope (δ 13 C of CO 2) analysis is increasingly used to address a broad
range of questions involving soil C dynamics and respiration sources. However, attaining δ …
range of questions involving soil C dynamics and respiration sources. However, attaining δ …