Twentieth-century warming revives the world's northernmost lake

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Standard

Twentieth-century warming revives the world's northernmost lake. / Perren, Bianca B.; Wolfe, Alexander P.; Cooke, Colin A.; Kjær, Kurt H.; Mazzucchi, David; Steig, Eric J.

In: Geology, Vol. 40, No. 11, 2012, p. 1003-1006.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Perren, BB, Wolfe, AP, Cooke, CA, Kjær, KH, Mazzucchi, D & Steig, EJ 2012, 'Twentieth-century warming revives the world's northernmost lake', Geology, vol. 40, no. 11, pp. 1003-1006. https://doi.org/10.1130/G33621.1

APA

Perren, B. B., Wolfe, A. P., Cooke, C. A., Kjær, K. H., Mazzucchi, D., & Steig, E. J. (2012). Twentieth-century warming revives the world's northernmost lake. Geology, 40(11), 1003-1006. https://doi.org/10.1130/G33621.1

Vancouver

Perren BB, Wolfe AP, Cooke CA, Kjær KH, Mazzucchi D, Steig EJ. Twentieth-century warming revives the world's northernmost lake. Geology. 2012;40(11):1003-1006. https://doi.org/10.1130/G33621.1

Author

Perren, Bianca B. ; Wolfe, Alexander P. ; Cooke, Colin A. ; Kjær, Kurt H. ; Mazzucchi, David ; Steig, Eric J. / Twentieth-century warming revives the world's northernmost lake. In: Geology. 2012 ; Vol. 40, No. 11. pp. 1003-1006.

Bibtex

@article{33ea6abd4d4d403a88f08db3eaf34a46,
title = "Twentieth-century warming revives the world's northernmost lake",
abstract = "Although recent ecological changes are widespread in Arctic lakes, it remains unclear whether they are more strongly associated with climate warming or the deposition of reactive nitrogen (Nr) from anthropogenic sources. We developed a 3500-yr paleolimnological record from the world's northernmost lake to explore this question. Microfossils indicate that siliceous diatoms and chrysophytes were abundant initially, but disappeared 2400 yr ago in concert with Neoglacial cooling. Microfossils reappear in 20th-century sediments and reach unprecedented concentrations in sediments deposited after ca. A.D. 1980, tracking increasing summer temperatures in the absence of evidence for atmospheric nutrient subsidies. These results indicate that current warming in northern Greenland is unprecedented in the context of the past 2400 yr, and that climate change alone is responsible for the marked biological changes observed.",
author = "Perren, {Bianca B.} and Wolfe, {Alexander P.} and Cooke, {Colin A.} and Kj{\ae}r, {Kurt H.} and David Mazzucchi and Steig, {Eric J.}",
year = "2012",
doi = "10.1130/G33621.1",
language = "English",
volume = "40",
pages = "1003--1006",
journal = "Geology",
issn = "0091-7613",
publisher = "GeoScienceWorld",
number = "11",

}

RIS

TY - JOUR

T1 - Twentieth-century warming revives the world's northernmost lake

AU - Perren, Bianca B.

AU - Wolfe, Alexander P.

AU - Cooke, Colin A.

AU - Kjær, Kurt H.

AU - Mazzucchi, David

AU - Steig, Eric J.

PY - 2012

Y1 - 2012

N2 - Although recent ecological changes are widespread in Arctic lakes, it remains unclear whether they are more strongly associated with climate warming or the deposition of reactive nitrogen (Nr) from anthropogenic sources. We developed a 3500-yr paleolimnological record from the world's northernmost lake to explore this question. Microfossils indicate that siliceous diatoms and chrysophytes were abundant initially, but disappeared 2400 yr ago in concert with Neoglacial cooling. Microfossils reappear in 20th-century sediments and reach unprecedented concentrations in sediments deposited after ca. A.D. 1980, tracking increasing summer temperatures in the absence of evidence for atmospheric nutrient subsidies. These results indicate that current warming in northern Greenland is unprecedented in the context of the past 2400 yr, and that climate change alone is responsible for the marked biological changes observed.

AB - Although recent ecological changes are widespread in Arctic lakes, it remains unclear whether they are more strongly associated with climate warming or the deposition of reactive nitrogen (Nr) from anthropogenic sources. We developed a 3500-yr paleolimnological record from the world's northernmost lake to explore this question. Microfossils indicate that siliceous diatoms and chrysophytes were abundant initially, but disappeared 2400 yr ago in concert with Neoglacial cooling. Microfossils reappear in 20th-century sediments and reach unprecedented concentrations in sediments deposited after ca. A.D. 1980, tracking increasing summer temperatures in the absence of evidence for atmospheric nutrient subsidies. These results indicate that current warming in northern Greenland is unprecedented in the context of the past 2400 yr, and that climate change alone is responsible for the marked biological changes observed.

U2 - 10.1130/G33621.1

DO - 10.1130/G33621.1

M3 - Journal article

VL - 40

SP - 1003

EP - 1006

JO - Geology

JF - Geology

SN - 0091-7613

IS - 11

ER -

ID: 49586567