TY - JOUR

T1 - The ABCflux database

T2 - Arctic-boreal CO2flux observations and ancillary information aggregated to monthly time steps across terrestrial ecosystems

AU - Virkkala, Anna Maria

AU - Natali, Susan M.

AU - Rogers, Brendan M.

AU - Watts, Jennifer D.

AU - Savage, Kathleen

AU - Connon, Sara June

AU - Mauritz, Marguerite

AU - Schuur, Edward A.G.

AU - Peter, Darcy

AU - Minions, Christina

AU - Nojeim, Julia

AU - Commane, Roisin

AU - Emmerton, Craig A.

AU - Goeckede, Mathias

AU - Helbig, Manuel

AU - Holl, David

AU - Iwata, Hiroki

AU - Kobayashi, Hideki

AU - Kolari, Pasi

AU - López-Blanco, Efrén

AU - Marushchak, Maija E.

AU - Mastepanov, Mikhail

AU - Merbold, Lutz

AU - Parmentier, Frans Jan W.

AU - Peichl, Matthias

AU - Sachs, Torsten

AU - Sonnentag, Oliver

AU - Ueyama, Masahito

AU - Voigt, Carolina

AU - Aurela, Mika

AU - Boike, Julia

AU - Celis, Gerardo

AU - Chae, Namyi

AU - Christensen, Torben R.

AU - Bret-Harte, M. Syndonia

AU - Dengel, Sigrid

AU - Dolman, Han

AU - Edgar, Colin W.

AU - Elberling, Bo

AU - Euskirchen, Eugenie

AU - Grelle, Achim

AU - Hatakka, Juha

AU - Humphreys, Elyn

AU - Järveoja, Järvi

AU - Kotani, Ayumi

AU - Kutzbach, Lars

AU - Laurila, Tuomas

AU - Lohila, Annalea

AU - Mammarella, Ivan

AU - Matsuura, Yojiro

AU - Meyer, Gesa

AU - Nilsson, Mats B.

AU - Oberbauer, Steven F.

AU - Park, Sang Jong

AU - Petrov, Roman

AU - Prokushkin, Anatoly S.

AU - Schulze, Christopher

AU - St. Louis, Vincent L.

AU - Tuittila, Eeva Stiina

AU - Tuovinen, Juha Pekka

AU - Quinton, William

AU - Varlagin, Andrej

AU - Zona, Donatella

AU - Zyryanov, Viacheslav I.

N1 - CENPERMOA[2022] Publisher Copyright: © 2022 Anna-Maria Virkkala et al.

PY - 2022

Y1 - 2022

N2 - Past efforts to synthesize and quantify the magnitude and change in carbon dioxide (CO2) fluxes in terrestrial ecosystems across the rapidly warming Arctic-boreal zone (ABZ) have provided valuable information but were limited in their geographical and temporal coverage. Furthermore, these efforts have been based on data aggregated over varying time periods, often with only minimal site ancillary data, thus limiting their potential to be used in large-scale carbon budget assessments. To bridge these gaps, we developed a standardized monthly database of Arctic-boreal CO2 fluxes (ABCflux) that aggregates in situ measurements of terrestrial net ecosystem CO2 exchange and its derived partitioned component fluxes: gross primary productivity and ecosystem respiration. The data span from 1989 to 2020 with over 70 supporting variables that describe key site conditions (e.g., vegetation and disturbance type), micrometeorological and environmental measurements (e.g., air and soil temperatures), and flux measurement techniques. Here, we describe these variables, the spatial and temporal distribution of observations, the main strengths and limitations of the database, and the potential research opportunities it enables. In total, ABCflux includes 244 sites and 6309 monthly observations; 136 sites and 2217 monthly observations represent tundra, and 108 sites and 4092 observations represent the boreal biome. The database includes fluxes estimated with chamber (19% of the monthly observations), snow diffusion (3%) and eddy covariance (78%) techniques. The largest number of observations were collected during the climatological summer (June-August; 32%), and fewer observations were available for autumn (September-October; 25%), winter (December-February; 18%), and spring (March-May; 25%). ABCflux can be used in a wide array of empirical, remote sensing and modeling studies to improve understanding of the regional and temporal variability in CO2 fluxes and to better estimate the terrestrial ABZ CO2 budget. ABCflux is openly and freely available online (Virkkala et al., 2021b, 10.3334/ORNLDAAC/1934).

AB - Past efforts to synthesize and quantify the magnitude and change in carbon dioxide (CO2) fluxes in terrestrial ecosystems across the rapidly warming Arctic-boreal zone (ABZ) have provided valuable information but were limited in their geographical and temporal coverage. Furthermore, these efforts have been based on data aggregated over varying time periods, often with only minimal site ancillary data, thus limiting their potential to be used in large-scale carbon budget assessments. To bridge these gaps, we developed a standardized monthly database of Arctic-boreal CO2 fluxes (ABCflux) that aggregates in situ measurements of terrestrial net ecosystem CO2 exchange and its derived partitioned component fluxes: gross primary productivity and ecosystem respiration. The data span from 1989 to 2020 with over 70 supporting variables that describe key site conditions (e.g., vegetation and disturbance type), micrometeorological and environmental measurements (e.g., air and soil temperatures), and flux measurement techniques. Here, we describe these variables, the spatial and temporal distribution of observations, the main strengths and limitations of the database, and the potential research opportunities it enables. In total, ABCflux includes 244 sites and 6309 monthly observations; 136 sites and 2217 monthly observations represent tundra, and 108 sites and 4092 observations represent the boreal biome. The database includes fluxes estimated with chamber (19% of the monthly observations), snow diffusion (3%) and eddy covariance (78%) techniques. The largest number of observations were collected during the climatological summer (June-August; 32%), and fewer observations were available for autumn (September-October; 25%), winter (December-February; 18%), and spring (March-May; 25%). ABCflux can be used in a wide array of empirical, remote sensing and modeling studies to improve understanding of the regional and temporal variability in CO2 fluxes and to better estimate the terrestrial ABZ CO2 budget. ABCflux is openly and freely available online (Virkkala et al., 2021b, 10.3334/ORNLDAAC/1934).

U2 - 10.5194/essd-14-179-2022

DO - 10.5194/essd-14-179-2022

M3 - Journal article

AN - SCOPUS:85123682779

VL - 14

SP - 179

EP - 208

JO - Earth System Science Data

JF - Earth System Science Data

SN - 1866-3508

IS - 1

ER -