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Vegetation type is an important predictor of the arctic summer land surface energy budget

TitoloVegetation type is an important predictor of the arctic summer land surface energy budget
Tipo di pubblicazioneArticolo su Rivista peer-reviewed
Anno di Pubblicazione2022
AutoriOehri, Jacqueline, Schaepman-Strub Gabriela, Kim Jin-Soo, Grysko Raleigh, Kropp Heather, Grünberg Inge, Zemlianskii Vitalii, Sonnentag Oliver, Euskirchen Eugénie S., Chacko Merin Reji, Muscari Giovanni, Blanken Peter D., Dean Joshua F., Di Sarra Alcide, Harding Richard J., Sobota Ireneusz, Kutzbach Lars, Plekhanova Elena, Riihelä Aku, Boike Julia, Miller Nathaniel B., Beringer Jason, López-Blanco Efrén, Stoy Paul C., Sullivan Ryan C., Kejna Marek, Parmentier Frans-Jan W., Gamon John A., Mastepanov Mikhail, Wille Christian, Jackowicz-Korczynski Marcin, Karger Dirk N., Quinton William L., Putkonen Jaakko, van As Dirk, Christensen Torben R., Hakuba Maria Z., Stone Robert S., Metzger Stefan, Vandecrux Baptiste, Frost Gerald V., Wild Martin, Hansen Birger, Meloni Daniela, Domine Florent, Beest Mariska te, Sachs Torsten, Kalhori Aram, Rocha Adrian V., Williamson Scott N., Morris Sara, Atchley Adam L., Essery Richard, Runkle Benjamin R. K., Holl David, Riihimaki Laura D., Iwata Hiroki, Schuur Edward A. G., Cox Christopher J., Grachev Andrey A., McFadden Joseph P., Fausto Robert S., Göckede Mathias, Ueyama Masahito, Pirk Norbert, de Boer Gijs, M. Bret-Harte Syndonia, Leppäranta Matti, Steffen Konrad, Friborg Thomas, Ohmura Atsumu, Edgar Colin W., Olofsson Johan, and Chambers Scott D.
RivistaNature Communications
Data di pubblicazioneJan-12-2022
Parole chiaveArctic, article, budget, climate, glacier, Heat, human, Land use, latitude, permafrost, seasonal variation, snow cover, summer, Vegetation

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 identifies vegetation type as an important predictor for SEB-components during Arctic summer (June-August), compared to other SEB-drivers including climate, latitude and permafrost characteristics. Differences among vegetation types can be of similar magnitude as between vegetation and glacier surfaces and are especially high for summer sensible and latent heat fluxes. The timing of SEB-flux summer-regimes (when daily mean values exceed 0 Wm−2) relative to snow-free and -onset dates varies substantially depending on vegetation type, implying vegetation controls on snow-cover and SEB-flux seasonality. Our results indicate complex shifts in surface energy fluxes with land-cover transitions and a lengthening summer season, and highlight the potential for improving future Earth system models via a refined representation of Arctic vegetation types. © 2022, The Author(s).


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Titolo breveNat Commun
Citation Key10933