Publications

Please contact me (manuel.helbig at dal.ca) if you cannot access a publication listed below and I will send you a copy.

Yuan, K., et al. incl. Helbig, M. (2022): Causality guided machine learning model on wetland CH4 emissions across global wetlands . Agricultural and Forest Meteorology, 324, 109115.

Beckebanz, L., Runkle, B.R.K., Walz, J., Wille, C., Holl, D., Helbig, M., Boike, J., Sachs, T., Kutzbach, L. (2022): Lateral carbon export has low impact on the net ecosystem carbon balance of a polygonal tundra catchment. Biogeosciences, 19, 3863-3876.

Helbig, M. , Živković, T., ​Alekseychik, P. et al. (2022): Warming response of peatland CO2 sink is sensitive to seasonality in warming trends . Nature Climate Change, 12, 743-749.

Živković, T.,  Helbig, M. , Moore, T.R. (2022):  Seasonal and Spatial Variability of Biological N2 Fixation in a Cool Temperate Bog. Journal of Geophysical Research - Biogeosciences, 127, e2021JG006481.

Beamesderfer, E.R., Buechner, C., Faiola, C.,  Helbig, M. , Sanchez-Mejia, Z.M.,  Yáñez-Serrano, A.M., Zhang, Y., Richardson, A.D. (2022): Advancing Cross-Disciplinary Understanding of Land-Atmosphere Interactions. Journal of Geophysical Research - Biogeosciences, 127, e2021JG006707.

Virkkala, A.-M., et al. incl. Helbig, M. (2022): The ABCflux database: Arctic–boreal CO2 flux observations and ancillary information aggregated to monthly time steps across terrestrial ecosystems . Earth System Science Data, 14, 179-208.

Helbig, M., Gerken, T., Beamesderfer, E., Baldocchi, D. D., Banerjee, T., Biraud, S. C., Brown, W. O. J., Brunsell, N. A., Burakowski, E. A., Burns, S. P., Butterworth, B. J., Chan, W. S., Davis, K. J., Desai, A. R., Fuentes, J. D., Hollinger, D. Y., Kljun, N., Mauder, M., Novick, K. A., Perkins, J. M., Rahn, D. A., Rey-Sanchez, C., Santanello, J. A., Scott, R. L., Seyednasrollah, B., Stoy, P. C., Sullivan, R. C., Vila-Guerau de Arellano, J., Wharton, S., Yi, C., Richardson, A. D. (2021): Integrating continuous atmospheric boundary layer and tower-based flux measurements to advance understanding of land-atmosphere interactions. Agricultural and Forest Meteorology, 307, 108509. 

Connon, R.F., Chasmer, L., Haughton, E.,  Helbig, M. , Hopkinson, C., Sonnentag, O., Quinton, W.L. (2021):  The implications of permafrost thaw and land cover change on snow water equivalent accumulation, melt and runoff in discontinuous permafrost peatlands. Hydrological Processes, 35, e14363.

Watts, J.D., et al. incl. Helbig, M. (2021):  Soil respiration strongly offsets carbon uptake in Alaska and Northwest Canada. Environmental Research Letters, 16, 084051.

Olefeldt, D., et al. incl. Helbig, M. (2021): The Boreal-Arctic Wetland and Lake Dataset (BAWLD). Earth System Science Data, 13, 5127-5149.

Irvin, J., et al. incl. Helbig, M. (2021):  Gap-filling eddy covariance methane fluxes: Comparison of machine learning model predictions and uncertainties at FLUXNET-CH4 wetlands. Agricultural and Forest Meteorology, 308-309, 108528.

Delwiche, K. B., et al. incl. Helbig, M. (2021): FLUXNET-CH4: A global, multi-ecosystem dataset and analysis of methane seasonality from freshwater wetlands. Earth System Science Data, 13, 3607-3689.

Chang, K.-Y., et al. incl. Helbig, M. (2021): Substantial hysteresis in emergent temperature sensitivity of global wetland methane emissions. Nature Communications, 12, 2266. 

Chu, H., et al. incl. Helbig, M. (2021): Representativeness of eddy-covariance flux footprints for areas surrounding AmeriFlux sites. Agricultural and Forest Meteorology, 301, 108350. 

Helbig, M., Waddington, J.M., Alekseychik, P. et al (2020): The biophysical climate mitigation potential of boreal peatlands during the growing season. Environmental Research Letters, 15, 104004.

Helbig, M., Waddington, J.M., Alekseychik, P. et al (2020): Increasing contribution of peatlands to boreal evapotranspiration in a warming climate. Nature Climate Change, 10, 555-560.

Liu, Z., et al. incl. Helbig, M. (2020): Increased high-latitude photosynthetic carbon gain offset by respiration carbon loss during an anomalous warm winter to spring transition. Global Change Biology, 26, 682-696.

Helbig, M., Humphreys, E.R., Todd, A. (2019): Contrasting temperature sensitivity of CO2 exchange in peatlands of the Hudson Bay Lowlands, Canada . Journal of Geophysical Research - Biogeosciences, 124, 2126-2143.

Natali, S.M., et al. incl. Helbig, M. (2019): Large loss of CO2 in winter observed across pan-Arctic permafrost region. Nature Climate Change, 9, 852-857.

Nugent, K., Strachan, I., Roulet, N., Strack, M., Frolking, S., Helbig, M. (2019): Prompt active restoration of peatlands substantially reduces climate impact. Environmental Research Letters, 14, 124030.

Li, H., Guo, H., Zhao, M., Helbig, M., Dai, S., Zhang, M., Peng, C., Bin, Z. (2019): Does direct-seeded rice decrease methane emissions? A case study from a rice paddy in southeast China. Agricultural and Forest Meteorology, 272-273, 118-127.

Stone, L.E., Fang, X., Haynes, K.M., Helbig, M., Pomeroy, J.W., Sonnentag, O., Quinton, W.L. (2019): Modelling the effects of permafrost loss on discharge from a wetland-dominated basin in the discontinuous permafrost zone in northwestern Canada. Hydrological Processes, 33, 2607-2626.

Peltola, O., et al. incl. Helbig, M. (2019): Monthly gridded data product of northern wetland methane emissions based on upscaling eddy covariance observations. Earth Syst. Sci. Data, 11, 1263-1289.

Knox, S.H., et al. incl. Helbig, M. (2019): FLUXNET-CH4 synthesis activity: objectives, observations, and future directions. Bulletin of the American Meteorological Society 100, 2607-2632.

Warren, R.K., Pappas, C., Helbig, M., Chasmer, L.E., Berg, A.A., Baltzer, J.L., Quinton, W.L., Sonnentag, O. (2018): Minor contribution of overstorey transpiration to landscape evapotranspiration in boreal permafrost peatlands. Ecohydrology, 11, e1975.

Helbig, M., Quinton, W.L., Sonnentag, O. (2017): Warmer spring conditions increase annual methane emissions from a boreal peat landscape with sporadic permafrost. Environmental Research Letters, 12, 115009.

Helbig, M., Chasmer, L., Desai, A.R., Kljun, N., Quinton, W.L., Sonnentag, O. (2017): Direct and indirect climate change effects on carbon dioxide fluxes in a thawing boreal forest-wetland landscape. Global Change Biology, 23, 3231-3248.

Helbig, M., Chasmer, L., Kljun, N., Quinton, W. L., Treat, C.C., Sonnentag, O. (2017): The positive net radiative greenhouse gas forcing of increasing methane emissions from a thawing boreal forest-wetland landscape. Global Change Biology, 23, 2413-2427. DOI: 10.1111/gcb.13520

Helbig, M., Wischnewski, K., Kljun, N., Chasmer, L., Quinton, W. L., Detto, M., Sonnentag, O. (2016): Regional atmospheric cooling and wetting effect of permafrost thaw-induced boreal forest loss. Global Change Biology, 22, 4048–4066, DOI: 10.1111/gcb.13348

Helbig, M., Wischnewski, K., Gosselin, G. H., Biraud, S. C, Bogoev, I., Chan, W. S., Euskirchen, E. S., Glenn, A. J., Sonnentag, O. (2016): Addressing a systematic bias in carbon dioxide flux measurements with the EC150 and the IRGASON open-path gas analyzers. Agricultural and Forest Meteorology, 228–229, 349–359.

Helbig, M., Pappas, C., Sonnentag, O. (2016): Permafrost thaw and wildfire: equally important drivers of boreal tree cover changes across the Taiga Plains, Canada. Geophysical Research Letters, 43,1598–1606, DOI: 10.1002/2015GL067193.

Vonk, J. E., Tank, S.E., Bowden, W. B. et al. incl. Helbig, M. (2015): Reviews and Syntheses: Effects of permafrost thaw on arctic aquatic ecosystems. Biogeosciences, 12, 7129-7167.

de Freitas, C. R., Helbig, M., Matzarakis, A. (2013): Hydroclimatic assessment of water resources of low Pacific islands: evaluating sensitivity to climatic change and variability. International Journal of Climatology, doi: 10.1002/joc.3731.

Helbig, M., Boike, J., Langer, M., Schreiber, P., Runkle, B., Kutzbach, L. (2013): Spatial and seasonal variability of polygonal tundra water balance, Lena River Delta, northern Siberia. Hydrogeology Journal, 21, 133-147.

Helbig, M., de Freitas, C.R., Matzarakis, A. (2011): Derivation of a climatic dataset for water balance modelling of Pacific atolls. Meteorologische Zeitschrift, 20, 565-570.