Progress in isotope analysis at ultra-trace level by AMS
W Kutschera - International Journal of Mass Spectrometry, 2005 - Elsevier
This paper attempts to convey a flavor of the progress in Accelerator Mass Spectrometry
(AMS) since its initiation in 1977. During this period, AMS evolved into the most powerful …
(AMS) since its initiation in 1977. During this period, AMS evolved into the most powerful …
Seasonal dynamics and age of stemwood nonstructural carbohydrates in temperate forest trees
Nonstructural carbohydrate reserves support tree metabolism and growth when current
photosynthates are insufficient, offering resilience in times of stress. We monitored …
photosynthates are insufficient, offering resilience in times of stress. We monitored …
[图书][B] Radiocarbon dating: an archaeological perspective
RE Taylor, O Bar-Yosef - 2016 - taylorfrancis.com
This volume is a major revision and expansion of Taylor's seminal book Radiocarbon
Dating: An Archaeological Perspective. It covers the major advances and accomplishments …
Dating: An Archaeological Perspective. It covers the major advances and accomplishments …
Divergence of reproductive phenology under climate warming
RA Sherry, X Zhou, S Gu… - Proceedings of the …, 2007 - National Acad Sciences
Because the flowering and fruiting phenology of plants is sensitive to environmental cues
such as temperature and moisture, climate change is likely to alter community-level patterns …
such as temperature and moisture, climate change is likely to alter community-level patterns …
Global reorganization of deep-sea circulation and carbon storage after the last ice age
Using new and published marine fossil radiocarbon (14C/C) measurements, a tracer
uniquely sensitive to circulation and air-sea gas exchange, we establish several …
uniquely sensitive to circulation and air-sea gas exchange, we establish several …
Modifying a sealed tube zinc reduction method for preparation of AMS graphite targets: Reducing background and attaining high precision
X Xu, SE Trumbore, S Zheng, JR Southon… - Nuclear Instruments and …, 2007 - Elsevier
The sealed tube zinc reduction method for converting CO2 to graphite for AMS 14C
measurements was originally developed for rapid production of graphite in biomedical tracer …
measurements was originally developed for rapid production of graphite in biomedical tracer …
Potential carbon release from permafrost soils of Northeastern Siberia
Permafrost soils are an important reservoir of carbon (C) in boreal and arctic ecosystems.
Rising global temperature is expected to enhance decomposition of organic matter frozen in …
Rising global temperature is expected to enhance decomposition of organic matter frozen in …
Age, allocation and availability of nonstructural carbon in mature red maple trees
The allocation of nonstructural carbon (NSC) to growth, metabolism and storage remains
poorly understood, but is critical for the prediction of stress tolerance and mortality. We used …
poorly understood, but is critical for the prediction of stress tolerance and mortality. We used …
The effects of permafrost thaw on soil hydrologic, thermal, and carbon dynamics in an Alaskan peatland
Recent warming at high-latitudes has accelerated permafrost thaw in northern peatlands,
and thaw can have profound effects on local hydrology and ecosystem carbon balance. To …
and thaw can have profound effects on local hydrology and ecosystem carbon balance. To …
Seasonal and episodic moisture controls on plant and microbial contributions to soil respiration
Moisture inputs drive soil respiration (SR) dynamics in semi-arid and arid ecosystems.
However, determining the contributions of root and microbial respiration to SR, and their …
However, determining the contributions of root and microbial respiration to SR, and their …