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Tree ring.

Extreme pointer years in tree-ring records of Central Spain as evidence of climatic events and the eruption of the Huaynaputina Volcano (Peru, 1600 AD)

Extreme pointer years in tree-ring records of Central Spain as evidence of climatic events and the eruption of the Huaynaputina Volcano (Peru, 1600 AD)

... numerous tree- ring chronologies of the central Iberian Peninsula (Sierra de Guadarrama) could provide complementary information about climate variability over the last 405 ...for tree growth in the ...

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Coincidences of climate extremes and anomalous vegetation responses: comparing tree ring patterns to simulated productivity

Coincidences of climate extremes and anomalous vegetation responses: comparing tree ring patterns to simulated productivity

... of tree ring records as model benchmarks under climate ex- tremes will depend crucially on the matches in these spatial patterns. Figure 4 identifies areas where simulated NPP of broadleaved and ...

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Imprint of the Atlantic multidecadal oscillation on tree-ring widths in northeastern Asia since 1568.

Imprint of the Atlantic multidecadal oscillation on tree-ring widths in northeastern Asia since 1568.

... sylvestris) tree-ring widths from trees growing in central eastern Siberia and northeastern China over the past 440 years (1568–2007 ...multicentennial tree-ring reconstruction of AMO [20] to ...

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Tree ring-based reconstruction of October to November runoffs in the Jiaolai River since 1826

Tree ring-based reconstruction of October to November runoffs in the Jiaolai River since 1826

... the tree ring and hydrological climate relationship, as well as the reconstruction, the study objects of Sabina, spruce, pine, white stick, larch, and elm in cold and dry regions were ...

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Influence of wood density in tree-ring-based annual productivity assessments and its errors in Norway spruce

Influence of wood density in tree-ring-based annual productivity assessments and its errors in Norway spruce

... The ring-width series were measured along four radii on each ...per tree of successive annual time steps yielded stem dry wood produc- tion of individual ...digital tree ring measurement de- ...

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Impact of Site Conditions Changes on the Tree Ring Records Suitability as Climate Proxies in the Brazilian Amazon

Impact of Site Conditions Changes on the Tree Ring Records Suitability as Climate Proxies in the Brazilian Amazon

... of tree ring records of Swietenia as climate proxies is that only trees from areas without significant alterations in microclimate can be considered for the establishment of master ...from tree ...

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Tree-ring proxy based temperature reconstructions and climate model simulations: cross-comparison at the Pyrenees

Tree-ring proxy based temperature reconstructions and climate model simulations: cross-comparison at the Pyrenees

... representative tree-ring series are built as a single chronology (concentrating all single measurements into one file) and standardized with the RCS method, odd results may be obtained if the requirements ...

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Dissecting the space-time structure of tree-ring datasets using the partial triadic analysis.

Dissecting the space-time structure of tree-ring datasets using the partial triadic analysis.

... of tree-ring descriptors, such as ring width or early/latewood density, measured for a set of individual ...a ring variables 6 trees 6 time ...from ring datasets, but they typically ...

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Process based model sheds light on climate sensitivity of Mediterranean tree-ring width

Process based model sheds light on climate sensitivity of Mediterranean tree-ring width

... of tree-ring growth response in specific environmental ...on tree-ring formation and the water content of the soil at various times throughout the growing ...the tree ring under ...

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Tree-ring based reconstruction of the seasonal timing, major events and origin of rockfall on a case-study slope in the Swiss Alps

Tree-ring based reconstruction of the seasonal timing, major events and origin of rockfall on a case-study slope in the Swiss Alps

... entire tree and specific pictures for each wound so as to facilitate assign- ing GD to their triggering injury in the ...3.2 Tree-ring analysis and intra-annual dating of events The cross-sections ...

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Simulating oxygen isotope ratios in tree ring cellulose using a dynamic global vegetation model

Simulating oxygen isotope ratios in tree ring cellulose using a dynamic global vegetation model

... Here we present an approach to simulate stem cellulose δ 18 O of trees using the LPX- Bern Dynamic Global Vegetation Model (LPX-Bern). Our results compare well with measured tree ring δ 18 O of thirty-one ...

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Multi-century lake area changes in the Southern Altiplano: a tree-ring-based reconstruction

Multi-century lake area changes in the Southern Altiplano: a tree-ring-based reconstruction

... century-long tree-ring record from ...tarapacana tree-ring chronology, com- posite from two sampling sites, was used as predictors in a regression model to reconstruct the mean annual ...

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Climatic Stress during Stand Development Alters the Sign and Magnitude of Age-Related Growth Responses in a Subtropical Mountain Pine.

Climatic Stress during Stand Development Alters the Sign and Magnitude of Age-Related Growth Responses in a Subtropical Mountain Pine.

... individual tree level regarding age-de- pendent growth responses to climate warming as stands ...used tree ring data of a mountain subtropical pine species along an altitudinal gradient covering more ...

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Maximum growing season temperature in Western Europe: multi proxy reconstructions in Fontainebleau from 1596 to 2000

Maximum growing season temperature in Western Europe: multi proxy reconstructions in Fontainebleau from 1596 to 2000

... Fontainebleau tree-ring latewood cellulose δ 13 C (orange), Fontainebleau tree growth index (green), Fontainebleau tree-ring latewood cellulose δ 18 O (blue), historical Burgundy grape ...

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Explaining global increases in water use efficiency: why have we overestimated responses to rising atmospheric CO(2) in natural forest ecosystems?

Explaining global increases in water use efficiency: why have we overestimated responses to rising atmospheric CO(2) in natural forest ecosystems?

... 3. Silva LCR, Anand M, Oliveira JM, Pillar VD (2009) Past century changes in Araucaria angustifolia (Bertol.) Kuntze water use efficiency and growth in forest and grassland ecosystems of southern Brazil: implications for ...

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Soil physical restrictions and hydrology regulate stand age and wood biomass turnover rates of Purus–Madeira interfluvial wetlands in Amazonia

Soil physical restrictions and hydrology regulate stand age and wood biomass turnover rates of Purus–Madeira interfluvial wetlands in Amazonia

... for tree ages, wood biomass productivity and biomass turnover rates for eight 1 ha plots in wetland and non-flooded forests distributed along the BR-319 Highway along a distance of about 600 km crossing the ...

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Design of Tree Structure in Context Clustering Process of Hidden Markov Model-Based Thai Speech Synthesis

Design of Tree Structure in Context Clustering Process of Hidden Markov Model-Based Thai Speech Synthesis

... the tree-based context clustering process, tone groups and tone types are used to design four different structures of decision tree including a single binary tree structure, a simple tone-separated ...

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A three-dimensional ring-array concentrator solar furnace

A three-dimensional ring-array concentrator solar furnace

... parabolic ring array concentrators (RAC) are, however, much less ...the ring array concentrator research similar to the Pyreheliophoro, a type of solar concentrator from 19 th centrury ...

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J. Braz. Chem. Soc.  vol.25 número1

J. Braz. Chem. Soc. vol.25 número1

... phenyl ring attached to 1,3,4-oxadiazole ring were synthesized and well ...phenyl ring attached to 1,3,4-oxadiazole framework causes marked increase in both antibacterial as well as antifungal ...

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On the Codes over a Semilocal Finite Ring

On the Codes over a Semilocal Finite Ring

... In this paper, we have introduced skew cyclic, skew quasi- cyclic, skew constacyclic and skew quasi-constacyclic codes over the finite ring R. By using the Gray map, we have studied the Gray images of cyclic, ...

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