Temperature effects on the acidity of remote alpine lakes

Sommaruga-Wögrath, Sabine; Koinig, Karin A.; Schmidt, Roland; Sommaruga, Rubén; Tessadri, Richard; Psenner, Roland

doi:10.1038/387064a0

Cited by 251 publications

(156 citation statements)

References 23 publications

Supporting

Mentioning

145

Contrasting

Unclassified

Order By: Relevance

“…saxonica) diatom communities occurred at ca. 8800 14 C a BP in Tiny Lake, a common ecological response to decreasing air temperatures (Psenner and Schmidt, 1992;Sommaruga-Wö grath et al, 1997;Wolfe, 2002;Rü hland et al, 2003;Doherty, 2005).…”

Section: Discussionmentioning

confidence: 99%

Postglacial vegetation and climate dynamics in the Seymour‐Belize Inlet Complex, central coastal British Columbia, Canada: palynological evidence from Tiny Lake

Galloway

Doherty

Patterson

et al. 2009

J Quaternary Science

View full text Add to dashboard Cite

A pollen-based study from Tiny Lake in the Seymour-Belize Inlet Complex of central coastal British Columbia, Canada, permits an evaluation of the dynamic response of coastal temperate rainforests to postglacial climate change. Open Pinus parklands grew at the site during the early Lateglacial when the climate was cool and dry, but more humid conditions in the later phases of the Lateglacial permitted mesophytic conifers to colonise the region. Early Holocene conditions were warmer than present and a successional mosaic of Tsuga heterophylla and Alnus occurred at Tiny Lake. Climate cooling and moistening at 8740 AE 70 14 C a BP initiated the development of closed, late successional T. heterophylla-Cupressaceae forests, which achieved modern character after 6860 AE 50 14 C a BP, when a temperate and very wet climate became established. The onset of early Holocene climate cooling and moistening at Tiny Lake may have preceded change at more southern locations, including within the Seymour-Belize Inlet Complex, on a meso-to synoptic scale. This would suggest that an early Holocene intensification of the Aleutian Low pressure system was an important influence on forest dynamics in the Seymour-Belize Inlet Complex and that the study region was located near the southern extent of immediate influence of this semi-permanent air mass.

show abstract

Section: Discussionmentioning

confidence: 99%

Postglacial vegetation and climate dynamics in the Seymour‐Belize Inlet Complex, central coastal British Columbia, Canada: palynological evidence from Tiny Lake

Galloway

Doherty

Patterson

et al. 2009

J Quaternary Science

View full text Add to dashboard Cite

show abstract

“…If weathering rates were increasing we would expect to see increases in Emerald Lake sulfate and BC as observed in other studies. 43 In contrast, we observed a declining trend in sulfate concentration and no trend in BC ( Figure S3). Thus, it is unlikely that weathering rate changes are significantly contributing to ANC recovery.…”

mentioning

confidence: 60%

“…ANC variations are strongly influenced by precipitation and snow water equivalent (SWE) and to a lesser extent by temperature which affects snowpack dynamics and watershed weathering rates. 26 Using available long-term records, we compared ANC changes to mean annual air temperature and precipitation, and April 1st SWE. Temperature and precipitation data were obtained for the Sierra climate region, as defined by Abatzoglou et al, 27 29,30 Correlations among variables were tested using Pearson and principal component analysis (PCA).…”

Section: ■ Methodsmentioning

confidence: 99%

20th Century Atmospheric Deposition and Acidification Trends in Lakes of the Sierra Nevada, California, USA

Heard

Sickman

Bennett³

et al. 2014

Environ. Sci. Technol.

View full text Add to dashboard Cite

We investigated multiple lines of evidence to determine if observed and paleo-reconstructed changes in acid neutralizing capacity (ANC) in Sierra Nevada lakes were the result of changes in 20th century atmospheric deposition. Spheroidal carbonaceous particles (SCPs) (indicator of anthropogenic atmospheric deposition) and biogenic silica and δ13C (productivity proxies) in lake sediments, nitrogen and sulfur emission inventories, climate variables, and long-term hydrochemistry records were compared to reconstructed ANC trends in Moat Lake. The initial decline in ANC at Moat Lake occurred between 1920 and 1930, when hydrogen ion deposition was approximately 74 eq ha–1 yr–1, and ANC recovered between 1970 and 2005. Reconstructed ANC in Moat Lake was negatively correlated with SCPs and sulfur dioxide emissions (p = 0.031 and p = 0.009). Reconstructed ANC patterns were not correlated with climate, productivity, or nitrogen oxide emissions. Late 20th century recovery of ANC at Moat Lake is supported by increasing ANC and decreasing sulfate in Emerald Lake between 1983 and 2011 (p < 0.0001). We conclude that ANC depletion at Moat and Emerald lakes was principally caused by acid deposition, and recovery in ANC after 1970 can be attributed to the United States Clean Air Act.

show abstract

“…However, the effects can be variable depending for example, on latitude, catchment characteristics and multiple climate-related phenomena (Porcal et al, 2009;Sucker and Krause, 2010;Rogora et al, 2013;Mosley, 2015), as well as on alkalinity (Sommaruga-Wögrath et al, 1997;Skjelkvåle et al, 2005). The associated changes impact the biota and can also modify the way the lake responds to sunlight exposure, including most notably several photochemical reactions (De Laurentiis et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

“…Alkalinity is largely affected by climate change, particularly in softwater lakes (Schindler, 1997;Sommaruga-Wögrath et al, 1997;Koinig et al, 1998). Changes in alkalinity may involve the temperatureenhanced dissolution of CaSO 4 , where Ca 2+ can be up-taken, but it is not transformed by biota, while SO 4 2− is biologically transformed into organic sulphur compounds with consumption of H + .…”

Section: Introductionmentioning

confidence: 99%

Long-term trends of chemical and modelled photochemical parameters in four Alpine lakes

Minella

Leoni

Salmaso

et al. 2016

Science of The Total Environment

Self Cite

View full text Add to dashboard Cite

Temperature effects on the acidity of remote alpine lakes

Cited by 251 publications

References 23 publications

Postglacial vegetation and climate dynamics in the Seymour‐Belize Inlet Complex, central coastal British Columbia, Canada: palynological evidence from Tiny Lake

Postglacial vegetation and climate dynamics in the Seymour‐Belize Inlet Complex, central coastal British Columbia, Canada: palynological evidence from Tiny Lake

20th Century Atmospheric Deposition and Acidification Trends in Lakes of the Sierra Nevada, California, USA

Long-term trends of chemical and modelled photochemical parameters in four Alpine lakes

Contact Info

Product

Resources

About