Häger,
Ch; Kaiser, F. (1992). Bifurcation Structures into Chaos
of Delay-Differential Equations for a Passive Optical Ring Resonator. Applied Physics B55, 132-137.
Kindermann, J.; Lüdeke, M. K. B.; Badeck, F.-W.; Otto, R. D.; Klaudius, A.; Häger, Ch.; Würth, G.; Lang, T.; Dönges, S.; Habermehl, S.;
und Kohlmaier,G. H. (1993). Structure
of a Global and Seasonal Carbon Exchange Model for the Terrestrial Biosphere.
The Frankfurt Biosphere Model (FBM). Water,
Air, and Soil Pollution 70:
675-984.
Lüdeke, M. K. B.; Badeck, F.-W.; Otto, R. D.; Häger,
Ch.; Dönges, S.; Kindermann, J.; Würth, G.; Lang,
T.; Jäkel, U.; Klaudius, A.; Ramge, P.; Habermehl, S.
und Kohlmaier,G. H. (1994). The Frankfurt Biosphere Model. A Global Process
Oriented Model for the Seasonal and Longterm CO2
Exchange between Terrestrial Ecosystems and the Atmosphere. Part 1: Model
description and illustrating results for the cold deciduous and boreal forests.
Climate Research 4 (2): 143 - 166.
Kohlmaier,G. H.; Würth, G.; Häger, Ch.; Lüdeke, M. (1994). Carbon Balance in the Temperate and Boreal Forests, in: Global Climate Change, Science Policy and
Mitigation Strategies. Mathai, C.V.; Stensland, G. (Hg.); Air & Waste Management Association Pittsburg, PA: 592 - 606.
Kohlmaier, G.H.; Häger, Ch.; Würth, G.; Lüdeke,
M.K.B.; Ramge, P.; Badeck,
F.; Kindermann, J.; Lang, T. (1995). Effects of the Age
Class Distributions of the Temperate and Boreal Forests on the Global CO2-Source-Sink-Function.
Tellus 47B: 212 - 231.
Kohlmaier, G.H.; Häger, Ch.; Nadler, A.; Würth, G.; Lüdeke,
M.K.B. (1995). Global Carbon Dynamics of Higher Latitude
Forests During an Anticipated Climate Change: Ecophysiological
versus Biome-Migration View. Water, Air,
and Soil Pollution 82 (1-2):
455-464.
Dönges, S.; Ramge, P.; Lüdeke, M.K.B.; Badeck, F.-W.;
Otto, R.D.; Häger, Ch.; Kindermann, J.; Würth, G.; Lang, T.; Jäkel, U.;
Nadler, A.; Habermehl, S.; Kohlmaier,
G.H. (1996). Net Primary Production of terrestrial ecosystems as evaluated by
the Frankfurt Biosphere Model (FBM). Sciences
Geologiques
Häger,
Ch.; Würth, G.; Wagner, U.; Kohlmaier, G.H. (1996). Responses in the Growth of the
Northern Forests to a CO2 - induced Climatic Change, as evaluated by the
Frankfurt Biosphere Model (FBM). World
Resource Review 8(2): 178 - 197.
Kohlmaier G. H.; Badeck,
F.-W.; Otto R. D.; Häger Ch.; Dönges S.; Kindermann J.; Würth G.; Lang T.;
Jäkel U.; Nadler A.; Klaudius
A.; Ramge P.; Habermehl S.;
Lüdeke M. K. B. (1997). The Frankfurt Biosphere
Model. A Global Process Oriented Model for the Seasonal and Longterm
CO2 Exchange between Terrestrial Ecosystems and the Atmosphere. II:
Global results for potential vegetation in an assumed equilibrium state. Climate Research, 8, 61-87.
Working Papers and Articles without Peer Review:
Dahm, G.; Häger, Ch. (1989) Werte und Wertewandel. in: Methoden der Technikfolgenabschätzung und
Technikgestaltung Kap. 11, 132 - 157.
Zentrum für Interdisziplinäre Technikforschung der TH Darmstadt (Hg.), Darmstadt.
Häger, Ch.; Kaiser, F. (1990). Dynamik
der Ikeda Delay-Differentialgleichungen für kleine Delays, in: Nichtlineare Dynamik: Instabilitäten und
Strukturbildung in physikalischen Systemen, Tagungsband des
Sonderforschungsbereiches 185, Frankfurt/Darmstadt.
Lüdeke, M. K. B.; Ramge, P.; Otto, R. D.; Häger, Ch.; Kindermann, J.; Würth, G.; Badeck,
F.-W.; Dönges, S.; Jäkel, U.; Lang, T.; Habermehl, S. und Kohlmaier,G.
H. (1994). Modellierung der Kohlenstoffbilanz der terrestrischen Vegetation und
der Böden. Beitrag zu den 6. Ebernburger Gesprächen, Ebernburg.
Häger, Ch.; Würth, G.; Kohlmaier, G.H.
(1997). Assessment of Present and Future Carbon Pools
and Fluxes in German Forests with the Frankfurt Biosphere Model (FBM). In: ‘97CO2 Extended Abstracts of the Fifth
International CO2 Conference, 8. - 12. Sept. 1997, Cairns, Queensland, Australien.
Häger, Ch.;
Schlamadinger, B.; Dönges, S.; Schwaiger, H.;
Kassube, A.; Jäkel, U.; Kohlmaier, G.H.; Spitzer, J. (1997). Assessing carbon balances of forestry and wood utilization: Coupling the
Graz/Oak Ridge Carbon Accounting Model (GORCAM) and the Frankfurt Biosphere
Model (FBM) In: ‘97CO2 Extended Abstracts
of the Fifth International CO2 Conference, 8. - 12. Sept.
1997, Cairns, Queensland, Australien.
Submitted Papers:
Würth, G.; Häger, Ch.; Kohlmaier, G. H. (im Druck). Validation of the Frankfurt Biosphere Model using Forest Yield Tables
and Inventory Data and Extrapolation to 2xCO2 Climate.
in: Kohlmaier, G. H.; Weber, M., Houghton, R.A. Carbon Mitigation Potentials of Forestry and
Wood Industry.
Kohlmaier, G. H.; Häger Ch.; Ift F.; Würth G.; Joos
F.; Bruno, M. (im Druck). Future development of the
carbon cycle: the role of the biota/forests within the IPCC stabilization
scenarios. in: Kohlmaier, G. H.; Weber, M., Houghton,
R.A. Carbon Mitigation Potentials of
Forestry and Wood Industry.
Böswald, K.; Kohlmaier, G.H.;
Jäkel, U.; Häger, Ch. (im Druck). Modelling Future
Forest Development in Germany under the Influence of Predicted Climate Change.
Häger,
Ch.; Würth, G.; Kohlmaier, G.H. Carbon Pools and Fluxes in Forests under
climatic change: A German Case Study with the Frankfurt Biosphere Model (FBM). Eingereich bei Tellus B.
Häger, Ch.; Würth, G.; Kohlmaier, G.H.
Der Kohlenstoffkreislauf im Klimasystem. Beitrag zum Buch: Lozán;
Graßl; Hupfer; Jacob; Sterr
(Hrsg.) Warnsignale aus der
Klimaentwicklung.
Scientific Presentations and Posters:
Posterbeiträge bei
den Dynamics Days (1990, Düsseldorf;
1991, Berlin)
Vorträge bei einem Workshop
des SFB 185 (1990, Riezlern, Österreich)
4th International CO2 Conference (1993, Carqueiranne, Frankreich)
International Boreal Forest Research Association
Conference (1994, Saskatoon, Kanada)
International Land Use/ Land Cover Change Conference (1996, Amsterdam, Niederlande)
7th Global Warming Conference (1996, Wien, Österreich)
Talk
at Joanneum Research (1996, Graz, Österreich)
Talk
at the internationalen Workshop Carbon Mitigation Potentials of Forestry and Wood Industry (1996, Freising)
5th International CO2
Conference (1997, Cairns, Australien,
2 contributions).
Talk at
the Wissenschaftlichen Zentrum für
Umweltsystemforschung, Universität Gesamthochschule Kassel (1997)
Teaching Assignments