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Oehri, J., Schaepman-Strub, G., Kim, J., Grysko, R., Kropp, H., Grünberg, I., Zemlianskii, V., Sonnentag, O., Euskirchen, E. S., Reji Chacko, M., Muscari, G., Blanken, P. D., Dean, J. F., di Sarra, A., Harding, R. J., Sobota, I., Kutzbach, L., Plekhanova, E., Riihelä, A., Boike, J., Miller, N. B., Beringer, J., López-Blanco, E., Stoy, P. C., Sullivan, R. C., Kejna, M., Parmentier, F. W., Gamon, J. A., Mastepanov, M., Wille, C., Jackowicz-Korczynski, M., Karger, D. N., Quinton, W. L., Putkonen, J., van As, D., Christensen, T. R., Hakuba, M. Z., Stone, R. S., Metzger, S., Vandecrux, B., Frost, G. V., Wild, M., Hansen, B., Meloni, D., Domine, F., te Beest, M., Sachs, T., Kalhori, A., Rocha, A. V., Williamson, S. N., Morris, S., Atchley, A. L., Essery, R., Runkle, B. R., Holl, D., Riihimaki, L. D., Iwata, H., Schuur, E. A., Cox, C. J., Grachev, A. A., McFadden, J. P., Fausto, R. S., Göckede, M., Ueyama, M., Pirk, N., de Boer, G., Bret-Harte, M. S., Leppäranta, M., Steffen, K., Friborg, T., Ohmura, A., Edgar, C. W., Olofsson, J., Chambers, S. D.
Despite the importance of high-latitude surface energy budgets (SEBs) for land-climate interactions in the rapidly changing Arctic, uncertainties in their prediction persist. Here, we harmonize SEB observations across a network of vegetated and glaciated sites at circumpolar scale (1994–2021). Our variance-partitioning analysis …
Journal: Nature Communications, Volume 13 (1): (2022), ISBN . DOI: 10.1038/s41467-022-34049-3 Sites: CA-SCB, US-A03, US-A10, US-An1, US-An2, US-An3, US-Atq, US-Brw, US-EML, US-HVa, US-ICh, US-ICs, US-ICt, US-Ivo, US-NGB, US-Upa, US-xHE, US-xTL
Vourlitis, G. L., Verfaillie, J., Oechel, W. C., Hope, A., Stow, D., Engstrom, R.
The spatial and temporal patterns in CO2 flux for the Kuparuk River Basin, a 9200-km2 watershed located in NE Alaska were estimated using the Regional …
Journal: Global Change Biology, Volume 9 (6): 930-941 (2003), ISBN . DOI: 10.1046/j.1365-2486.2003.00639.x Sites: US-HVa, US-Upa
Williams, M., Eugster, W., Rastetter, E. B., Mcfadden, J. P., Chapin, F. S.
Assessments of carbon (C) fluxes in the Arctic require detailed data on both how and why these fluxes vary across the landscape. Such assessments are complicated because tundra vegetation has diverse structure and function at both local and regional scales. To investigate this diversity, the Arctic Flux Study has used the eddy covariance …
Journal: Global Change Biology, Volume 6 (S1): 116-126 (2000), ISBN . DOI: 10.1046/j.1365-2486.2000.06016.x Sites: US-Upa
Chapin, F. S., Eugster, W., McFadden, J. P., Lynch, A. H., Walker, D. A.
Biome differences in surface energy balance strongly affect climate. However, arctic vegetation is considered sufficiently uniform that only a single arctic land surface type is generally used in climate models. Field measurements in northern Alaska show large differences among arctic ecosystem types in summer energy absorption and …
Journal: Journal Of Climate, Volume 13 (12): 2002-2010 (2000), ISBN . DOI: 10.1175/1520-0442(2000)013<2002:SDAAEI>2.0.CO;2 Sites: US-Upa
Eugster, W., Rouse, W. R., Pielke Sr, R. A., Mcfadden, J. P., Baldocchi, D. D., Kittel, T. G., Chapin, F. S., Liston, G. E., Vidale, P. L., Vaganov, E., Chambers, S.
This paper summarizes and analyses available data on the surface energy balance of Arctic tundra and boreal forest. The complex interactions between ecosystems and their surface energy balance are also examined, including climatically induced shifts in ecosystem type that might amplify or reduce the effects of potential climatic …
Journal: Global Change Biology, Volume 6 (S1): 84-115 (2000), ISBN . DOI: 10.1046/j.1365-2486.2000.06015.x Sites: US-Upa
Vourlitis, G. L., Oechel, W. C., Hope, A., Stow, D., Boynton, B., Verfaillie, J., Zulueta, R., Hastings, S. J.
Journal: Ecological Applications, Volume 10 (1): 60-72 (2000), ISBN . DOI: 10.2307/2640986 Sites: US-Upa
Fahnestock, J. T., Jones, M. H., Welker, J. M.
Estimates of annual carbon loss from arctic tundra ecosystems are based nearly entirely on measurements taken during the growing season in part because of methodological limitations but also reflecting the assumption that respiration during winter is near zero. Measurements of CO2 flux during winter, however, indicate …
Journal: Global Biogeochemical Cycles, Volume 13 (3): 775-779 (1999), ISBN . DOI: 10.1029/1999gb900006 Sites: US-Upa
Oechel, W. C., Vourlitis, G. L., Brooks, S., Crawford, T. L., Dumas, E.
Measurements of net ecosystem CO2 exchange (NEE) and energy balance were made using chamber-, tower-, and aircraft-based measurement techniques in Alaskan arctic tundra ecosystems during the 1994–1995 …
Journal: Journal Of Geophysical Research: Atmospheres, Volume 103 (D22): 28993-29003 (1998), ISBN . DOI: 10.1029/1998jd200015 Sites: US-HVa, US-Upa
Vourlitis, G. L., Oechel, W. C.
Journal: The Journal Of Ecology, Volume 85 (5): 575-590 (1997), ISBN . DOI: 10.2307/2960529 Sites: US-Upa
Oechel, W. C., Vourlitis, G., Hastings, S. J.
Recent evidence indicates that significant amounts of C may be lost as CO2 to the atmosphere from tundra ecosystems during the fall, winter and spring months. Because high latitude ecosystems are …
Journal: Global Biogeochemical Cycles, Volume 11 (2): 163-172 (1997), ISBN . DOI: 10.1029/96gb03035 Sites: US-HVa, US-Upa