Using stable isotopes of oxygen from tree-rings to study the origin of past flood events: first results from the iberian peninsula

Ferrio, Juan Pedro; Díez‐Herrero, Andrés; Tarrés, Daniel; Ballesteros‐Cánovas, Juan Antonio; Aguilera, Mònica; Pozo, José María Bodoque del

doi:10.4000/quaternaire.7172

Cited by 19 publications

(13 citation statements)

References 56 publications

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“…Indeed, several recent studies confirm that δ 18 O values can be a robust and reliable indicator of drought conditions and/or extreme hydroclimatic events [57,60,61]. We confirmed that δ 18 O values are tightly correlated with JJA precipitation sum over the substantial part of the Balkan Peninsula.…”

Section: Discussionsupporting

confidence: 81%

Stable Isotopes in Tree Rings of Pinus heldreichii Can Indicate Climate Variability over the Eastern Mediterranean Region

Lukač

Mikac

Urban

et al. 2021

Forests

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A long-term context is important for understanding past climatic variability. Although tree-ring widths (TRWs) are widely used as a proxy for reconstructing past climate, the use of annually-resolved values of δ13C and δ18O tree-ring stable isotopes (TRSIs) is increasing and may provide further valuable information. Here, we present a 487-year-long TRW chronology and 240-year-long TRSI chronology for Bosnian pine (Pinus heldreichii H. Christ) and compare them to each other. We demonstrate that both δ13C and δ18O values are better proxies for temperature, precipitation, and drought than TRW. The correlations between these climate parameters and TRSIs are strongest for the combined summer (JJA) period. The results of temporal and spatial field correlation indicate that TRSI chronologies are stable, reliable proxies for JJA precipitation reconstruction over the whole Balkan Peninsula and surrounding eastern Mediterranean region. However, the stability of the temperature signal of the both δ13C and δ18O chronologies declines after the 1950s. Our work supports the emerging evidence that TRSI data track climate variability more accurately than a conventional TRW approach and can be subsequently used for the reconstruction of past climate.

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Section: Discussionsupporting

confidence: 81%

Stable Isotopes in Tree Rings of Pinus heldreichii Can Indicate Climate Variability over the Eastern Mediterranean Region

Lukač

Mikac

Urban

et al. 2021

Forests

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“…Although this approach has not been widely tested in the tropics, López et al (2014) showed that floodplain trees in the Darien Gap, Colombia, produce more vessels when water levels rise, indicating that tree rings may retain useful information about past hydrology in these settings. Moreover, more detailed wood analyses based on both stable isotopes and chemistry elements are needed to corroborate hypotheses about the quality and characteristics of water flow condition during past flood regimens (Ferrio et al, 2015; Pop et al, 2014).…”

Section: Future Directionsmentioning

confidence: 99%

A review of flood records from tree rings

Ballesteros‐Cánovas

Stoffel

George

et al. 2015

Progress in Physical Geography: Earth and Environment

101

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Palaeohydrology is now recognized as a valuable approach to characterize the hazards posed by flooding. Tree rings have emerged as an important source of evidence for paleohydrological studies, and, since the 1960s, have been used to document the occurrence of past floods. In this progress report we outline the major contributions of tree-ring records to flood research. By reviewing the key advances in this field, documenting different research trajectories, and highlighting recent developments, we make an argument in favor of more extensive use of tree rings in flood analyses. We show how tree-ring data have been applied to risk assessment and outline how the widespread distribution of flood-affected trees can be used to improve the understanding of flood processes. In addition, we outline new approaches and future perspectives for the inclusion of woody vegetation in hazard assessments, and end with new thematic perspectives.

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“…According to [30], when the EPS < 0.85, it means that the chronology is starting to be dominated by the individual signal of each tree series. However, the tree series can still be used for dendrochronology as long as it is not extremely low [31].…”

Section: The Chronologiesmentioning

confidence: 99%

Climate Influence in Dendrochronological Series of Araucaria angustifolia from Campos do Jordão, Brazil

et al. 2021

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A dendrochronological series of Araucaria angustifolia was analyzed for a better understanding of the climatic factors that operate in Campos do Jordão city, São Paulo state, Brazil. The dendroclimatic analysis was carried out using 45 samples from 16 Araucaria angustifolia trees to reconstruct the precipitation and the temperature over the 1803–2012 yearly interval. To this end, Pearson’s correlation was calculated between mean chronology and the climatic time series using a monthly temporal resolution to calibrate our models. We obtained correlations as high as r=0.22(α=0.1) for precipitation (February), and r=0.21(α=0.1) for temperature (March), both corresponding to the end of the summer season. Our results show evidence of temporal instabilities because the correlations for the halves of 1963–2012 were very different, as well as for the full period. To overcome this problem, the dendrochronological series and the climatic data were investigated using the wavelet techniques searching for time-dependent cause–effect relationships. From these analyses, we find a strong influence of the region’s precipitation and temperature on the growth of tree ring widths.

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Using stable isotopes of oxygen from tree-rings to study the origin of past flood events: first results from the iberian peninsula

Cited by 19 publications

References 56 publications

Stable Isotopes in Tree Rings of Pinus heldreichii Can Indicate Climate Variability over the Eastern Mediterranean Region

Stable Isotopes in Tree Rings of Pinus heldreichii Can Indicate Climate Variability over the Eastern Mediterranean Region

A review of flood records from tree rings

Climate Influence in Dendrochronological Series of Araucaria angustifolia from Campos do Jordão, Brazil

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