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Ulrich Siegenthaler, 1941–1994

Published online by Cambridge University Press:  18 July 2016

Heinz Hugo Loosli
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Abstract

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Type
Obituary
Information
Radiocarbon , Volume 36 , Issue 3 , 1994 , pp. v - viii
Copyright
Copyright © The American Journal of Science 

References

Selected Bibliography

Carbon Cycle, Atmospheric CO2 Increase and Greenhouse Effect

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Siegenthaler, U. and Münnich, K. O. 1980 13C/12C fractionation during CO2 transfer from air to sea. in Bolin, B., ed., Carbon Cycle Modelling. SCOPE Report 16. Chichester, John Wiley & Sons: 249–257.Google Scholar
Siegenthaler, U. and Oeschger, H. 1978 Predicting future atmospheric carbon dioxide levels. Science 199: 388–395.Google Scholar
Siegenthaler, U. and Oeschger, H. 1984 Transient temperature changes due to increasing CO2 using simple models. Annals of Glaciology 5: 153–159.Google Scholar
Siegenthaler, U. and Oeschger, H. 1987 Biospheric CO2 emissions during the past 200 years reconstructed by deconvolution of ice core data. Tellus 39B: 140–154.CrossRefGoogle Scholar
Siegenthaler, U. and Sanhueza, E. 1991 Greenhouse gases and other climate forcing agents. in Jäger, J. and Ferguson, H. L., eds., Climate Change: Science, Impacts and Policy. Proceedings of the 2nd Second World Climate Conference. Cambridge, Cambridge University Press.Google Scholar
Siegenthaler, U. and Sarmiento, J. 1993 Atmospheric carbon dioxide and the ocean. Nature 365: 119–125.Google Scholar
Siegenthaler, U. and Wenk, Th. 1984 Rapid atmospheric CO2 variations and ocean circulation. Nature 308: 624–626.CrossRefGoogle Scholar
Beer, J., Bonani, G., Hofmann, H. J., Suter, M., Synal, A., Wölfli, W., Oeschger, H., Siegenthaler, U. and Finkel, R. C. 1987 10Be measurements on polar ice: Comparison of Arctic and Antarctic records. Nuclear Instruments and Methods in Physics Research B 29: 203–206.Google Scholar
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Beer, J., Siegenthaler, U., Bonani, G., Finkel, R. C., Oeschger, H., Suter, M. and Wölfli, W. 1988 Information on past solar activity and geomagnetism from 10Be in the Camp Century ice core:. Nature 331: 675–679.Google Scholar
Beer, J., Andrée, M., Oeschger, H., Siegenthaler, U., Bonani, G., Hofman, H. J., Morenzoni, E., Nessi, M., Suter, M., Wölfli, W., Finkel, R. and Langway, C. C. 1984 The Camp Century 10Be record: implications for long-term variations of the geomagnetic dipole moment. Nuclear Instruments and Methods in Physics Research B 5: 380–384.Google Scholar
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Friedli, H., Lütscher, H. P., Oeschger, H., Siegenthaler, U. and Stauffer, B. 1986 Ice core record of the 13C/12C ratio of atmospheric CO2 in the past two centuries. Nature 324: 237–238.Google Scholar
Friedli, H., Moor, E., Oeschger, H., Siegenthaler, U. and Stauffer, B. 1984 13C/12C ratios in CO2 extracted from Antarctic ice. Geophysical Research Letters 11: 1145–1148.Google Scholar
Friedli, H. and Siegenthaler, U. 1987 Influence of N2O on isotope analyses in CO2 and mass-spectrometric determination of N2O in air samples. Tellus 40B: 129–133.Google Scholar
Friedli, H., Siegenthaler, U., Rauber, D. and Oeschger, H. 1987 Measurements of concentration, 13C/12C and 18O/16O ratios of tropospheric carbon dioxide over Switzerland. Tellus 39B: 80–88.Google Scholar
Hesterberg, R. and Siegenthaler, U. 1991 Production and stable isotopic composition of CO2 in a soil near Bern, Switzerland. Tellus 43B: 197–205.Google Scholar
Jähne, B., Münnich, K. O. and Siegenthaler, U. 1979 Measurements of gas exchange and momentum transfer in a circular wind tunnel. Tellus 31: 321–329.Google Scholar
Joos, F., Sarmiento, J. L. and Siegenthaler, U. 1991 Estimates of the effect of Southern Ocean iron fertilization on atmospheric CO2 concentration. Nature 349: 772–774.Google Scholar
Joos, F., Siegenthaler, U. and Sarmiento, J. L. 1991 Possible effects of iron fertilization in the Southern Ocean on atmospheric CO2 concentration. Global Biogeochemical Cycles 5: 135–150.Google Scholar
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Leuenberger, M., Siegenthaler, U. and Langway, C. C. 1992 Carbon isotope composition of atmospheric CO2 during the last ice age from an Antarctic ice core. Nature 357: 488–490.Google Scholar
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Oeschger, H., Siegenthaler, U., Schotterer, U. and Gugelmann, A. 1975 A box diffusion model to study the carbon dioxide exchange in nature. Tellus 27: 168–192.Google Scholar
Sarmiento, J. L., Orr, J. C. and Siegenthaler, U. 1992 A perturbation simulation of CO2 uptake in an ocean general circulation model. Journal of Geophysical Research 97: 3621–3645.Google Scholar
Saurer, M., Fuhrer, J. and Siegenthaler, U. 1991 Influence of ozone on the stable carbon isotope composition, δ13C, of leaves and grain of spring wheat (Triticum aestivum L.). Plant Physiology 97: 313–316.Google Scholar
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Wenk, Th. and Siegenthaler, U. 1985 The high-latitude ocean as a control of atmospheric CO2 . in Sundquist, E. T. and Broecker, W. S., The Carbon Cycle and Atmospheric CO2: Natural Variation. Geophysical Monograph 32. Washington, D.C., American Geophysical Union: 185–194.Google Scholar
Siegenthaler, U., Eicher, U., Oeschger, H. and Dansgaard, W. 1984 Lake sediments as continental 18O records from the transition glacial-postglacial. Annals of Glaciology 5: 149–152.Google Scholar
Andrée, M., Oeschger, H., Siegenthaler, U., Riesen, T., Moell, M., Ammann, B. and Tobolski, K. 1986 14C dating by AMS of plant macrofossils in lake sediments. in Stuiver, M. and Kra, R., eds., Proceedings of the 12th International 14C Conference. Radiocarbon 28(2A): 411–416.Google Scholar
Eicher, U. and Siegenthaler, U. 1976 Palynological and oxygen isotope investigations on late-glacial sediment cores from Swiss lakes. Boreas 5: 109–117.Google Scholar
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Oeschger, H., Welten, M., Eicher, U., Möll, M., Riesen, T., Siegenthaler, U. and Wegmüller, S. 1980 14C and other parameters during the Younger Dryas cold phase. in Stuiver, M. and Kra, R. S., eds., Proceedings of the 10th International 14C Conference. Radiocarbon 22(2): 299–310.Google Scholar
Siegenthaler, U. and Oeschger, H. 1980 Correlation of 18O in precipitation with temperature and altitude. Nature 285: 314–317.Google Scholar
Siegenthaler, U., Oeschger, H., Schotterer, U. and Hänni, K. 1975 Conversion of water to a counting gas for low-level tritium measurements by means of aluminium carbide. International Journal Of Applied Radiation and Isotopes 26: 459–464.Google Scholar
Amberger, G., Siegenthaler, U. and Verstraete, P. 1981 Etudes en cours de la nappe souterraine de l'Arve. Eclogae Geologicae Helvetiae 74: 225–232.Google Scholar
Baltensperger, U., Schwikowski, H., Gäggeler, H. W., Jost, D. T., Beer, J., Siegenthaler, U., Wagenbach, D., Hofmann, H. J. and Synal, H. A. 1993 Transfer of atmospheric constituents into an Alpine snow field. Atmospheric Environment 27: 1881–1890.Google Scholar
Lehmann, M. and Siegenthaler, U. 1991 Equilibrium isotope fractionation between ice and water. Journal of Glaciology 37: 23–26.Google Scholar
Müller, I., Schotterer, U. and Siegenthaler, U. 1982 Etude des charactéristiques structurales et hydrodynamiques des aquifères karstiques par leur réponses naturelles et provoquées. Eclogae Geologicae Helvetiae 75: 65–75.Google Scholar
Schotterer, U., Finkel, R., Oeschger, H., Siegenthaler, U., Bart, G., Gäggeler, H. and von Gunten, H. R. 1977 Isotope measurements on firn and ice cores from Alpine glaciers. In Isotopes and Impurities in Snow and Ice. Proceedings of the Grenoble Symposium, August/September 1975. IAHS Publication 118. International Association of Hydrological Sciences: 232–236.Google Scholar
Wright, R. F., Matter, A., Schweingruber, M. and Siegenthaler, U. 1981 Sedimentation in Lake Biel, an eutrophic, hard-water lake in north-western Switzerland. Schweizerische Zeitschrift für Hydrologie 2: 101–126.Google Scholar