Comparison of Tree Species Sensitivity to High and Low Extreme Hydroclimatic Events

Hidalgo, H. G.; Dracup, John A.; MacDonald, Glen M.; King, Judith

doi:10.1080/02723646.2001.10642733

Cited by 23 publications

(24 citation statements)

References 20 publications

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“…This finding suggests that drought, which is often accompanied by high vapor pressure deficit, has a greater negative effect on stomatal aperture and photosynthesis of P. flexilis than P. ponderosa. Despite their high elevation ranges on relatively mesic sites in southwestern USA, our results and others (Biondi 2000;Hidalgo et al 2001) indicate that growth of P. menziesii and P. flexilis is clearly sensitive to drought.…”

Section: Species/populationcontrasting

confidence: 74%

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Drought responses of conifers in ecotone forests of northern Arizona: tree ring growth and leaf δ13C

Adams

Kolb

2004

Oecologia

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We sought to understand differences in tree response to meteorological drought among species and soil types at two ecotone forests in northern Arizona, the pinyon-juniper woodland/ponderosa pine ecotone, and the higher elevation, wetter, ponderosa pine/mixed conifer ecotone. We used two approaches that provide different information about drought response: the ratio of standardized radial growth in wet years to dry years (W:D) for the period between years 1950 and 2000 as a measure of growth response to drought, and delta13C in leaves formed in non-drought (2001) and drought (2002) years as a measure of change in water use efficiency (WUE) in response to drought. W:D and leaf delta13C response to drought for Pinus edulis and P. ponderosa did not differ for trees growing on coarse-texture soils derived from cinders compared with finer textured soils derived from flow basalts or sedimentary rocks. P. ponderosa growing near its low elevation range limit at the pinyon-juniper woodland/ponderosa pine ecotone had a greater growth response to drought (higher W:D) and a larger increase in WUE in response to drought than co-occurring P. edulis growing near its high elevation range limit. P. flexilis and Pseudotsuga menziesii growing near their low elevation range limit at the ponderosa pine/mixed conifer ecotone had a larger growth response to drought than co-occurring P. ponderosa growing near its high elevation range limit. Increases in WUE in response to drought were similar for all species at the ponderosa pine/mixed conifer ecotone. Low elevation populations of P. ponderosa had greater growth response to drought than high-elevation populations, whereas populations had a similar increase in WUE in response to drought. Our findings of different responses to drought among co-occurring tree species and between low- and high-elevation populations are interpreted in the context of drought impacts on montane coniferous forests of the southwestern USA.

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Section: Species/populationcontrasting

confidence: 74%

“…Drought is the most limiting factor to tree growth in southwestern USA (Fritts 1976: Meko et al 1995: Swetnam and Betancourt 1998: Hidalgo et al 2001. Climate change models predict higher temperatures and increased variability in precipitation in the future for the Southwest (Gregory et al 1997;Rosenberg et al 2003).…”

Section: Introductionmentioning

confidence: 99%

Drought responses of conifers in ecotone forests of northern Arizona: tree ring growth and leaf δ13C

Adams

Kolb

2004

Oecologia

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“…The species ponderosa pine (Pinus ponderosa), pinyon pine (Pinus edulis), and Douglasfir (Pseudotsuga menziesii), known to be sensitive to moisture (Schulman 1956;Hidalgo et al 2001), were targeted for collection. A total of 28 sites was sampled, and at the time of this analysis, 15 had been developed into tree-ring chronologies (Fig.…”

Section: B Tree-ring Datamentioning

confidence: 99%

A 431-Yr Reconstruction of Western Colorado Snowpack from Tree Rings

Woodhouse

2003

Journal of Climate

113

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A tree-ring-based reconstruction for 1 April snow water equivalent (SWE) is generated for the Gunnison River basin region in western Colorado. The reconstruction explains 63% of the variance in the instrumental record and extends from 1569 to 1999. When the twentieth-century part of the record is compared to the full record, the variability and extremes in the twentieth century appear representative of the long-term record. However, years of extreme SWE (low and high) and persistent low SWE events are not evenly distributed throughout the record. The twentieth century is notable for several periods that lack extreme years, and along with the nineteenth century and the second half of the eighteenth century, contains many fewer persistent low SWE events than the first half of the reconstruction. Low SWE in the western United States is associated with several circulation patterns, including the Pacific-North American (PNA) pattern and those related to El Niño-Southern Oscillation (ENSO), but the Gunnison River basin is on the edge of the area with a strong relationship to the PNA and is generally in a transitional zone with respect to regional ENSO influences. Tree-ring chronologies from Oregon and New Mexico, regions impacted by ENSO, were used as rough proxies of northwestern and southwestern U.S. winter precipitation to explore possible associations between Gunnison SWE and winter climate in these two regions over the past four centuries.

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“…Since the Palmer drought indexes were developed to interpret 20th Century variations; the negative mean suggests that the period of 1500s through the 1800s was much drier than the historical record from the early 1900s. Although the observational period presents one of the wettest period on record and therefore the reconstructed mean of the Palmer indexes would tend to be negative, it is known also that tree‐ring chronologies from this region generally tend to present a bias towards the dry periods since tree‐ring growth is more responsive to hot‐dry than cool‐moist extreme conditions (Hidalgo et al. , 2001).…”

Section: Resultsmentioning

confidence: 99%

Five Hundred Years of Hydrological Drought in the Upper Colorado River Basin¹

Timilsena

Piechota

Hidalgo

et al. 2007

J American Water Resour Assoc

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This article evaluates drought scenarios of the Upper Colorado River basin (UCRB) considering multiple drought variables for the past 500 years and positions the current drought in terms of the magnitude and frequency. Drought characteristics were developed considering water‐year data of UCRB’s streamflow, and basin‐wide averages of the Palmer Hydrological Drought Index (PHDI) and the Palmer Z Index. Streamflow and drought indices were reconstructed for the last 500 years using a principal component regression model based on tree‐ring data. The reconstructed streamflow showed higher variability as compared with reconstructed PHDI and reconstructed Palmer Z Index. The magnitude and severity of all droughts were obtained for the last 500 years for historical and reconstructed drought variables and ranked accordingly. The frequency of the current drought was obtained by considering two different drought frequency statistical approaches and three different methods of determining the beginning and end of the drought period (annual, 5‐year moving, and ten year moving average). It was concluded that the current drought is the worst in the observed record period (1923‐2004), but 6th to 14th largest in terms of magnitude and 1st to 12th considering severity in the past 500 years. Similarly, the current drought has a return period ranging from 37 to 103 years based on how the drought period was determined. It was concluded that if the 10‐year moving average is used for defining the drought period, the current drought appears less severe in terms of magnitude and severity in the last 500 years compared with the results using 1‐ and 5‐year averages.

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Comparison of Tree Species Sensitivity to High and Low Extreme Hydroclimatic Events

Cited by 23 publications

References 20 publications

Drought responses of conifers in ecotone forests of northern Arizona: tree ring growth and leaf δ13C

Drought responses of conifers in ecotone forests of northern Arizona: tree ring growth and leaf δ13C

A 431-Yr Reconstruction of Western Colorado Snowpack from Tree Rings

Five Hundred Years of Hydrological Drought in the Upper Colorado River Basin¹

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Comparison of Tree Species Sensitivity to High and Low Extreme Hydroclimatic Events

Cited by 23 publications

References 20 publications

Drought responses of conifers in ecotone forests of northern Arizona: tree ring growth and leaf δ13C

Drought responses of conifers in ecotone forests of northern Arizona: tree ring growth and leaf δ13C

A 431-Yr Reconstruction of Western Colorado Snowpack from Tree Rings

Five Hundred Years of Hydrological Drought in the Upper Colorado River Basin1

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Product

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Five Hundred Years of Hydrological Drought in the Upper Colorado River Basin¹