Prof. Dr. Christian Blodau

Forschungsartikel (Zeitschriften) seit 2016

2023

• Harris LI; Olefeldt D; Pelletier N; Blodau C; Knorr K; Talbot J; Heffernan L; Turetsky M. 2023. ‘Permafrost thaw causes large carbon loss in boreal peatlands while changes to peat quality are limited.’ Global Change Biology early view, Nr. n/a. doi: 10.1111/gcb.16894.

2022

• Schuster W, Knorr K-H, Blodau C, Gałka M, Borken W, Pancotto VA, Kleinebecker T. 2022. ‘Control of carbon and nitrogen accumulation by vegetation in pristine bogs of southern Patagonia.’ Science of the Total Environment 810: 151293. doi: 10.1016/j.scitotenv.2021.151293.

2020

• Bonaiuti S, Blodau C, Knorr K-H. 2020. ‘Evaluating biogeochemical indicators of methanogenic conditions and thermodynamic constraints in peat.’ Applied Geochemistry 114: 104471. doi: 10.1016/j.apgeochem.2019.104471.

2019

• Berger S, Braeckevelt E, Blodau C, Burger M, Goebel M, Klemm O, Knorr K-H, Wagner-Riddle C. 2019. ‘A 1-year greenhouse gas budget of a peatland exposed to long-term nutrient infiltration and altered hydrology: high carbon uptake and methane emission.’ Environmental Monitoring and Assessment 191, Nr. 533. doi: 10.1007/s10661-019-7639-1.
• Münchberger W, Knorr K, Blodau C, Pancotto VA, Kleinebecker T. 2019. ‘Zero to moderate methane emissions in a densely rooted, pristine Patagonian bog - biogeochemical controls as revealed from isotopic evidence.’ Biogeosciences 16, Nr. 2: 541–559. doi: 10.5194/bg-16-541-2019.

2018

• Blodau C, Agethen S, Broder T, Knorr K-H. 2018. ‘Gradients of organic matter quality, mineralization and sequestration in Cook's Bay of Lake Simcoe, Canada.’ Limnologica 68: 92–104. doi: 10.1016/j.limno.2017.04.005.
• Berger S, Praetzel LSE, Goebel M, Blodau C, Knorr K-H. 2018. ‘Differential response of carbon cycling to long-term nutrient input and altered hydrological conditions in a continental Canadian peatland.’ Biogeosciences 15, Nr. 3: 885–903. doi: 10.5194/bg-15-885-2018.

2017

• Berger S., Gebauer G., Blodau C., Knorr K. 2017. ‘Peatlands in a eutrophic world – Assessing the state of a poor fen-bog transition in southern Ontario, Canada, after long term nutrient input and altered hydrological conditions.’ Soil Biology and Biochemistry 114, Nr. null: 131–144. doi: 10.1016/j.soilbio.2017.07.011.
• Bonaiuti S., Blodau C., Knorr K. 2017. ‘Transport, anoxia and end-product accumulation control carbon dioxide and methane production and release in peat soils.’ Biogeochemistry 133, Nr. 2: 219–239. doi: 10.1007/s10533-017-0328-7.

2016

• Estop-Aragonés C, Zając K, Blodau C. 2016. ‘Effects of extreme experimental drought and rewetting on CO2 and CH4 exchange in mesocosms of 14 European peatlands with different nitrogen and sulfur deposition.’ Global Change Biology 22, Nr. 6: 2285–2300. doi: 10.1111/gcb.13228.
• Wertebach T-M, Knorr K-H, Lordieck M, Tretiakov N, Blodau C, Hölzel N, Kleinebecker T. 2016. ‘Relationships between Vegetation Succession, Pore Water Chemistry and CH4 and CO2 Production in a Transitional Mire of Western Siberia (Tyumen Oblast).’ Wetlands 36, Nr. 5: 863–874. doi: 10.1007/s13157-016-0798-8.
• Burger, M.; Berger, S.; Spangenberg, I.; Blodau, C. 2016. ‘Summer fluxes of methane and carbon dioxide from a pond and floating mat in a continental Canadian peatland.’ Biogeosciences 13, Nr. 12: 3777–3791. doi: 10.5194/bg-13-3777-2016.

• Zajac K., Blodau C. 2016. 'The fate of ¹⁵N-nitrate in mesocosms from five European peatlands differing in long-term nitrogen deposition rate.' Biogeosciences 13: 707-722, doi: 10.5194/bg-13-707-2016

2015

• Wu, Y.; Blodau, C.; Moore, T.R.; Bubier, J.; Juutinen, S.; Larmola, T. (2015): Effects of experimental nitrogen deposition on peatland carbon pools and fluxes: a modelling analysis. Biogeosciences 11, 1-23, doi: 10.5194/bg-12-79-2015
• Wu, Y.; Blodau, C. (2015): Vegetation composition in bogs is sensitive to both load and concentration of deposited nitrogen: A modeling analysis. Ecosystems. doi: 10.1007/s10021-014-9820-2.
• Broder T.; Blodau C.; Biester H., Knorr K.H (2015): Sea spray, trace elements, and decomposition patterns as possible constraints on the evolution of CH₄ and CO₂ concentrations and isotopic signatures in oceanic ombrotrophic bogs. Biogeochemistry, doi: 10.1007/s10533-014-0044-5

2014

• Thuens S., Blodau C.; Wania F.; Radke M. (2014):  Comparison of Atmospheric Travel Distances of several PAHs calculated by two fate and transport models (The Tool and ELPIS) with Experimental Values derived from a peat bog transect. Atmosphere 5, 324-341, doi: 10.3390/atmos5020324  pdf
• Risk N.; Wagner-Riddle C.; Furona A.; Warland J., Blodau, C. (2014): Comparison of Simultaneous Soil Profile N₂O Concentration and Surface N₂O Flux Measurements Overwinter and at Spring Thaw in an Agricultural Soil. Soil Science Society of America Journal, DOI: 10.2136/sssaj2013.06.0221

2013

• (71) Kopp, B.; Fleckenstein, J.H.; Roulet, T.R.; Humphreys, E.; Talbot, J.; Blodau, C. (2013): Impact of long-term drainage on groundwater flow patterns in the Mer Bleue peatland, Ontario, Canada. Hydrology and Earth System Science 17,3485–3498, 2013. DOI:10.5194/hessd-10-33-2013
• (70) Wu, Y.; Blodau, C. (2013): PEATBOG: A biogeochemical model for analyzing coupled carbon and nitrogen dynamics in northern peatlands. Geoscientific Model Development 6, 1173-1207, DOI:10.5194/gmd-6-1173-2013.
• (69) Olefeldt, D.; Turetsky, M.T.; Blodau, C. (2013): Altered composition, biodegradability and UV-mediated lability of dissolved organic matter in boreal soils following wildfire. Ecosystems. DOI: 10.1007/s10021-013-9691-y
• (68) Neumann, C.; Beer, J.; Blodau, C.; Peiffer, S.; Fleckenstein, J.H. (2013): Spatial patterns of groundwater-lake exchange – implications for acid neutralization processes in an acid mine lake. Hydrological Processes, DOI: 10.1002/hyp.9656.
• (67) Thuens, S.; Blodau, C.; Radke, M. (2013): How suitable are peat cores to study historical deposition of PAHs? Science of The Total Environment 450-451, 271-279
• (66) Estop Aragones, C.; Knorr, KH; Blodau, C (2013): Belowground in situ redox dynamics and methanogenesis recovery in a degraded fen during dry-wet cycles and flooding. Biogeosciences 10, 421-436, doi:10.5194/bg-10-421-2013 

2012

• (65) Kothawala, D.N.; Roehm, C. L.; Blodau, C. Moore, T.R. (2012): Selective adsorption of dissolved organic matter to mineral soils. Geoderma 189–190, 334–342 
• (64) Blodau, C.; Deppe, M. (2012): Humic acid addition lowers methane release in peats of the Mer Bleue bog, Canada. Soil Biology and Biochemistry 52: 96 - 98
• (63) Broder, T.; Blodau, C.; Biester, H.; Knorr, K.-H. (2012): Peat decomposition records in three pristine ombrotrophic bogs in southern Patagonia, Biogeosciences, 9, 1479-1491, G02002 DOI: 10.5194/bg-9-1479-2012.
• (62) Estop-Aragonés, C.; Knorr, KH; Blodau, C. (2012): Controls on in situ oxygen and DIC dynamics in peats of a temperate fen. Journal of Geophysical Research, 117, DOI:10.1029/2011JG001888.
• (61) Estop Aragones, C.; Blodau, C. (2011): Effects of experimental drying intensity and duration on respiration and methane production recovery in fen peat incubations, Soil Biology and Biochemistry, 47, 1-9. 
• (60) Blodau, C., Siems, M., (2012): Drainage-induced forest growth alters belowground carbon biogeochemistry in the Mer Bleue bog, Canada, Biogeochemistry, 107(1-3), 107-123.

2011

• (59) Blodau, C. Siems, M., Beer, J. (2011): Experimental burial inhibits methanogenesis and anaerobic decomposition in peats. Environmental Science and Technology, 45(23), 9984-9989.
• (58) Peiffer, S., Knorr, K.-H., Blodau, C (2011): The role of iron minerals for the biogeochemistry of acid pit lakes, in Acid Pit Lakes, Ed. Geller W.
• (57) Blodau C. Thermodynamic control on terminal electron transfer and methanogenesis. ACS Symposium Series, Vol. 1071, doi: 10.1021/bk-2011-1071.ch004.
• (56) Wendel, S., Moore, T.R., Bubier, J., Blodau, C. (2010): Experimental nitrogen, phosphorus, and potassium deposition decreases summer soil temperatures, water contents, and soil CO₂ concentrations in a northern bog, Biogeosciences 8, 585–595, doi:10.5194/bg-8-585-2011.
• (55) Xing, Y., Bubier, J., Moore, T.R., Murphy, M., Basiliko, N., Wendel, S., Blodau, C. (2011): The fate of ¹⁵N-nitrate in a northern peatland impacted by long term experimental nitrogen, phosphorus and potassium fertilization, Biogeochemistry, 103 (1-3), DOI 10.1007/s10533-010-9463-0.

2010

• (54) Minderlein, S., Blodau, C. (2010): Humic-rich peat extracts inhibit sulfate reduction, methanogenesis, and anaerobic respiration but not acetogenesis in peat soils of a temperate bog, Soil Biology and Biochemistry, 42(12), 2078-2086.
• (53) Rempfer, J., Livingstone, D. M., Blodau, C., Forster, R., Niederhauser, P., Kipfer, R. (2010): The effect of the exceptionally mild European winter of 2006-2007 on temperature and oxygen profiles in lakes in Switzerland: a foretaste of the future? Limnology and Oceanography, 55, (5), 2170-2180.
• (52) Heimann, A., Jakobsen, R., Blodau, C. (2010): Energetic constraints on H₂-dependent terminal electron accepting processes in anoxic environments - a review of observations and model approaches, Environmental Science and Technology 44(1), 24-33.
• (51) Deppe, M., McKnight, D., Blodau, C. (2010): Effects of short-term drying and irrigation on electron flow in mesocosms of a northern bog and an alpine fen, Environmental Science and Technology, 44(1), 80-86.
• (50) Deppe, M., Knorr, K.H., McKnight, D., Blodau, C. (2010): Effects of short-term drying and irrigation on CO₂ and CH₄ production and emission from mesocosms of a northern bog and alpine fen, Biogeochemistry, 100 (1-3), 89-103, DOI 10.1007/s10533-010-9406-9.
• (49) Goldberg, S. D., Knorr, K.-H., Blodau, C., Lischeid, G., Gebauer, G. (2009): Impact of experimental dyrying and rewetting on N₂O and NO turnover and emissions from a temperate acidic fen, Global Change Biology, 16, 220-233 (2010).

2009

• (48) Knorr, K.H., Lischeid, G., Blodau, C. (2009): Dynamics of redox processes in a minerotrophic fen exposed to a water table manipulation, Geoderma 153, 379-392.
• (47) Knorr, K.-H. and Blodau, C. (2009): Impact of experimental drought and rewetting on redox transformations and methanogenesis in mesocosms of a northern fen soil. Soil Biology and Biochemistry, 41, 1187-1198.
• (46) Blodau, C. Bauer, M., Regenspurg, S. and Macalady, D. (2009): Electron accepting capacities of dissolved organic matter as determined by reaction with metallic zinc. Chemical Geology, 260, 186-195. 
• (45) Bauer, M. and Blodau, C. (2009): Experimental colloid formation in aqueous solutions rich in dissolved organic matter, ferric iron, and As. Geochimica et Cosmochimica Acta, 73, 529-543.
• (44) Rempfer, J., Livingstone, D., Forster, Blodau, C. (2009): Response of hypolimnetic oxygen concentrations in deep Swiss prealpine lakes to interannual variations in winter climate, Ver. Internat. Verein. Limnol. 30(5): 717-721.

2008

• (43) Limpens, J., Berendse, F., Blodau C., Canadell, J.G., Freeman, C., Holden, J., Roulet, N.T., Rydin, H., Schaepman-Strub, G. (2008): Peatlands and the carbon cycle: from local processes to global implications - a synthesis, Biogeosciences 5, 1475-1491.
• (42) Knorr*, K.H., Glaser, B., and Blodau, C. (2008). Impact of experimental drought on ¹³C isotopic composition of dissolved carbon and pathways of methanogenesis in a fen soil. Biogeosciences 5, 1457–1473.
• (41) Goldhammer, T., Einsiedl, F., and Blodau, C. (2008): In situ determination of sulfate turnover in peatlands during a water table fluctuation: application of downscaled push-pull tracer technique. Journal of Plant Nutrition and Soil Science 171, 740-750.
• (40) Blodau, C., Rees, R., Flessa H., Rodionov, A., Guggenberger, G., Knorr, K.-H., Shibistova, O., Zrazhevskaya, G., Mikheeva, N., Kasansky, O. A (2008): A snapshot of CO₂ and CH₄ evolution in a thermokarst pond near Igarka, northern Siberia. Journal of Geophysical Research- Biogeosciences 113, G03023, doi:10.1029/2007JG000652.
• (39) Bauer, M., Fulda, B. Blodau, C. (2008): Groundwater derived arsenic in high carbonate wetland soils: Sources, sinks, and mobility. Science of the Total Environment 401:109-120.  
• (38) Goldhammer, T., and Blodau, C. (2008): Dessication and product accumulation constrain heterotrophic anaerobic respiration in peats of an ombrotrophic temperate bog. Soil Biology and Biochemistry 40: 2007-2015.
• (37) Blodau, C. Fulda, B., Bauer, M. and Knorr, K.-H. (2008): Arsenic speciation and turnover in intact organic soils during experimental drought and rewetting. Geochimica et Cosmochimica Acta 72, 3991-4007.   
• (36) Flessa, H., Rodionov, A., Guggenberger G., Fuchs, H., Magdon, P., Shibistova, O., Zrazhevskaya, G., Mikheyava, N., Kasansky, O.A., and Blodau, C. (2008): Landscape controls of CH₄ fluxes in a catchment of the forest tundra ecotone in northern Siberia. Global Change Biology 14(8): 2040-2056.  
• (35) Knorr, K.H., Osterwoud, M., and Blodau, C. (2008). Experimental drought changes rates of soil respiration and methanogenesis but not carbon exchange in fen soils. Soil Biology and Biochemistry  40: 1781-1791.  
• (34) Fahrner, S., Radke, M., Karger, D., and Blodau, C. (2008): Organic matter mineralisation in the hypolimnion of a eutrophic maar lake. Aquatic Sciences 70(3): 225-237.
• (33) Beer, J., Lee, K., Whiticar, M., and Blodau, C. (2008): Geochemical controls on organic matter decomposition in a northern peatland. Limnology and Oceanography 53(4): 1393-1407.      

2007

• (32) Basiliko, N., Blodau, C., Roehm, C. L., Bengtson, P., and Moore, T. R. (2007): Regulation of decomposition and methane dynamics across natural, commercially-mined, and restored northern peatlands. Ecosystems 10: 1148-1165.
• (31) Heitmann, T., Goldhammer, T., Beer, J., Blodau, C. (2007): Electron transfer processes of dissolved organic matter and their potential significance for anaerobic respiration in a northern bog, Global Change Biology 13: 1771-1785.
• (30) Knorr, K.H., and Blodau, C. (2007): Chemical controls on schwertmannite transformation. Applied Geochemistry 22: 2006-2015.
• (29) Blodau, C., Roulet, N. T., Heitmann, T., Stewart, H., Beer, J., Lafleur, P., Moore T. R. (2007): Below-ground carbon turnover in a temperate ombrotrophic bog. Global Biogeochemical Cycles 21: GB1021, doi:10.1029/2005GB002659.
• (28) Blodau, C., Mayer, B. Peiffer, S. Moore, T.R. (2007): Support for an anaerobic sulfur cycle in two Canadian peatland soils. Journal of Geophysical Research 112: G02004, doi: 10.1029/2006JG000364.
• (27) Heimann A., Blodau C., Postma D., Larsen F., Viet P.H., Nhan P.Q., Jessen S., Duc M.T., Hue N.T.M., Jakobsen R. (2007): Hydrogen thresholds and steady state concentrations associated with microbial arsenate respiration, Environmental Science and Technology 41: 2311-2317. 
• (26) Beer, J., Blodau, C. (2007): Transport and thermodynamics constrain belowground carbon turnover in a northern peatland, Geochimica et Cosmochimica Acta 71: 2989-3002.
• (25) Bauer, M., Heitmann, T, Macalady, D. and Blodau, C. (2007): Electron transfer capacities and kinetics of peat dissolved organic matter. Environmental Science and Technology 41: 139-145.   

2006

• (24) Blodau, C., Gatzek C. (2006): Chemical controls on iron reduction in schwertmannite rich sediments. Chemical Geology 235: 366-376.
• (23) Blodau, C. (2006): Acidity generation and consumption in acidic mine lakes and their watersheds: A review. Science of the Total Environment 369: 307-332.
• (22) Blodau C. and Knorr, K.H. (2006): Experimental inflow of groundwater induces a biogeochemical regime shift in iron rich and acidic sediments. Journal of Geophysical Research 111: G0202610.1029/2006JG000165.
• (21) Heitmann, T. and Blodau, C. (2006): Oxidation and incorporation hydrogen sulfide by dissolved organic matter. Chemical Geology 235: 366-376.  
• (20) Blodau, C., Basiliko, N., Mayer, B., and Moore, T.R. (2006): The fate of experimentally deposited nitrogen in mesocosms from two Canadian peatlands. Science of the Total Environment 364: 215-228.
• (19) Knorr, K.H. and Blodau, C. (2006): Altered groundwater inflow remobilizes acidity from iron rich and acidic sediments. Environmental Science and Technology 40, 2944-2950. 
• (18) Bauer, M. and Blodau, C. (2006): Mobilization of arsenic by dissolved organic matter from iron oxides, soils and sediments. Science of the Total Environment 354:179-190. 

2005

• (17) Blodau, C. (2005): Groundwater inflow triggers changes in acidity fluxes in an iron rich and acidic lake. Acta Hydrochimica et Hydrobiologica 33(2): 104-117.
• (16) Dreyer, A., Radke, M., Turunen, J. and Blodau, C. (2005): Long-term change of PAH deposition to peatlands of eastern Canada. Environmental Science and Technology 39 (11): 3918-3924. 
• (15) Dreyer, A., Blodau, C., Turunen, J. and Radke, M. (2005): Spatial distribution of PAH deposition in peatlands across eastern Canada. Atmospheric Environment 39 (20), 3725-3733.      

2004

• (14) Moore, T.R, Blodau C., Turunen, J., Roulet, N.T. and Richard, P. (2004): Patterns of nitrogen and sulfur accumulation in ombrotrophic bogs, eastern Canada. Global Change Biology 11, 356-367. 
• (13) Blodau, C. (2004): Evidence for a hydrologically controlled iron cycle in acidic and iron rich sediments. Aquatic Sciences 66: 1-13.  
• (12) Blodau, C., Basiliko, N. and Moore, T.R. (2004): Carbon turnover in peatland mesocosms exposed to different water table levels. Biogeochemistry 67: 331-351.   

2003

• (11) Blodau, C. and Peiffer, S. (2003): Deposition of organic matter and schwertmannite controls neutralization rates in sediments of acidic mine lakes. In Schulz, H.D. und Hadeler, A. (Eds) Geochemical Processes in soil and groundwater. Measurement-Modelling-Upscaling. Wiley VCH, Weinheim.
• (10) Blodau, C. and Peiffer, S. (2003): Thermodynamics and organic matter: Constraints on neutralization processes in sediments of highly acidic waters. Applied Geochemistry 18: 25-36. 
• (9) Blodau, C. and Moore, T.R. (2003): Micro-scale CO₂ and CH₄ dynamics in a peat soil during a water fluctuation and sulfate pulse. Soil Biology and Biochemistry 35: 535-547.
• (8) Blodau, C. and Moore, T.R. (2003): Experimental response of peatland carbon dynamics to a water table fluctuation. Aquatic Sciences 65: 47-62. 
• (7) Blodau, C., Heise, S. and Litz, N. (2003): Simple soil properties as predictors of PAH concentrations in soil water. Wasser und Boden 55: 33-37.

2002

• (6) Blodau, C. (2002): Carbon cycling in peatlands: A review of processes and controls. Environmental Reviews 10: 111-134.
• (5) Blodau, C., Roehm, C.L. and Moore, T.R. (2002): Iron, sulfur, and dissolved carbon dynamics in a northern peatland. Archiv für Hydrobiologie 154: 561-583.
• (4) Blodau, C. and Peiffer S. (2002): Deposition und Transformation des Eisenminerals Schwertmannit unterdrückt die interne Neutralisation in Restseen des Braunkohletagebaus. Aktuelle Reihe BTU Cottbus, Gewässerreport Nr. 7:81-87.
• (3) Blodau, C. and Moore, T.R. (2002): Macroporosity affects water movement and pore water sampling in peatland microcosms. Soil Science 167: 98-109.   

1998 - 2000

• (2) Blodau, C., Peine, A., Hoffmann, S. and Peiffer, S. (2000): Organic matter diagenesis in acidic mine lakes. Acta Hydrochimica et Hydrobiologica 28: 123-135. 
• (1) Blodau, C., Hoffmann, S., Peine, A. and Peiffer, S. (1998): Iron and sulphate reduction in the sediments of acid mine lake 116 (Brandenburg, Germany): Rates and geochemical evaluation. Water Air Soil Pollution 108, 249-270.