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Change in Arctic CO2Flux Over Two Decades: Effects of Climate Change at Barrow, Alaska
Abstract
A significant difference in net ecosystem carbon balance of wet sedge ecosystems in the Barrow, Alaska region was observed between CO 2 flux measurements obtained during the International Biological Program in 1971 and measurements made during the 1991‐1992 growing seasons. Currently, high‐center polygons are net sources of CO 2 to the atmosphere of ≈14 gC·m‐2·yr‐1, while low‐center polygons are losing ≈3.6 gC·m‐2·yr‐1, and ice wedge habitats are accumulating 4.0 gC·m‐2·yr‐1. On average, moist meadow habitats characteristic of the IBP‐II site are currently sources of ≈1.3 gC·m‐2·yr‐1 to the atmosphere compared to the reported accumulation of ≈25 gC·m‐2·yr‐1 determined in 1971. This difference in ecosystem function over the last two decades may be due to the recently reported increase in surface temperatures resulting in decreases in the soil moisture status. These results point to the importance of long‐term research sites and databases for determining the potential effects of climate change on ecosystem function.
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Cited by
Observational Evidence of Recent Change in the Northern High-Latitude Environment
Serreze, M. C., Walsh, J. E., Chapin, F. S., Osterkamp, T., Dyurgerov, M., Romanovsky, V., Oechel, W. C., Morison, J., Zhang, T., & Barry, R. G. (2000) · Climatic Change · doi:10.1023/a:1005504031923 · Cited by 1,911
Self-citationRemote sensing of vegetation and land-cover change in Arctic Tundra Ecosystems
Stow, D. A., Hope, A., McGuire, D., Verbyla, D., Gamon, J., Huemmrich, F., Houston, S., Racine, C., Sturm, M., Tape, K., et al. (2004) · Remote Sensing of Environment · doi:10.1016/j.rse.2003.10.018 · Cited by 667
Acclimation of ecosystem CO2 exchange in the Alaskan Arctic in response to decadal climate warming
Oechel, W. C., Vourlitis, G. L., Hastings, S. J., Zulueta, R. C., Hinzman, L., & Kane, D. (2000) · Nature · doi:10.1038/35023137 · Cited by 620
Self-citationSerreze, M. C., & Barry, R. G. (2005) · doi:10.1017/cbo9780511535888 · Cited by 385
TUNDRA CO2 FLUXES IN RESPONSE TO EXPERIMENTAL WARMING ACROSS LATITUDINAL AND MOISTURE GRADIENTS
Oberbauer, S. F., Tweedie, C. E., Welker, J. M., Fahnestock, J. T., Henry, G. H. R., Webber, P. J., Hollister, R. D., Walker, M. D., Kuchy, A., Elmore, E., et al. (2007) · Ecological Monographs · doi:10.1890/06-0649 · Cited by 300
Metadata
- Authors
- Oechel, W. C., Vourlitis, G. L., Hastings, S. J., & Bochkarev, S. A.
- Venue
- Ecological Applications
- Publisher
- Wiley
- Published
- 1995-08
- Volume
- 5
- Issue
- 3
- Pages
- 846-855
- ISSN
- 1051-0761 (ISSN-L)
- 1939-5582
- OpenAlex
- W2082006082
- Cited by
- 239
- References
- 0
- FWCI
- 8.33
- Type
- journal article
- Language
- en
- Open access
- closed
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- Oechel, W. C., Vourlitis, G. L., Hastings, S. J., & Bochkarev, S. A. (1995). Change in Arctic CO2Flux Over Two Decades: Effects of Climate Change at Barrow, Alaska. Ecological Applications. https://doi.org/10.2307/1941992
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