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Book Chapter

Stable Isotope Signatures of Wood, its Constituents and Methods of Cellulose Extraction

Authors
/persons/resource/ghelle

Helle,  G.
4.3 Climate Dynamics and Landscape Evolution, 4.0 Geosystems, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/mpauly

Pauly,  Maren
4.3 Climate Dynamics and Landscape Evolution, 4.0 Geosystems, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/heinrich

Heinrich,  Ingo
4.3 Climate Dynamics and Landscape Evolution, 4.0 Geosystems, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/kscholla

Schollaen,  Karina
Deutsches GeoForschungsZentrum;

/persons/resource/dan

Balanzategui,  Daniel
4.3 Climate Dynamics and Landscape Evolution, 4.0 Geosystems, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/lucas

Schürheck,  Lucas
4.3 Climate Dynamics and Landscape Evolution, 4.0 Geosystems, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

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Fulltext (public)

978-3-030-92698-4_5.pdf
(Publisher version), 2MB

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Citation

Helle, G., Pauly, M., Heinrich, I., Schollaen, K., Balanzategui, D., Schürheck, L. (2022): Stable Isotope Signatures of Wood, its Constituents and Methods of Cellulose Extraction. - In: Siegwolf, R. T. W., Brooks, J. R., Roden, J., Saurer, M. (Eds.), Stable Isotopes in Tree Rings, (Tree Physiology book series ; 8), Cham : Springer International Publishing, 135-190.
https://doi.org/10.1007/978-3-030-92698-4_5


Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5013028
Abstract
In this chapter, we give some basic information on the chemical and isotopic properties of wood constituents and describe their relative contribution to the isotopic signature of wood. Based on these considerations we review studies that have compared stable isotope signals of wood with those of corresponding cellulose. We exemplify how relationships of wood-based tree-ring stable isotope sequences with climate can be affected by varying proportions of wood constituents like cellulose, lignin and extractives. A majority of benchmarking studies suggests that cellulose extraction may not be necessary. However, based upon existing research, a general statement cannot be made on the necessity of cellulose extraction. Changes in wood composition can particularly influence environmental signal strength during periods of low isotope variability. Cellulose extraction removes any effects from changing wood composition. We present the three established chemical approaches of extraction, outline how to test the purity of isolated cellulose and present user-friendly efficient experimental setups allowing to simultaneously process hundreds of samples in one batch. Further, we briefly address the analysis of stable isotopes of lignin methoxyl groups because of easy sample preparation and its potential additional value for studies on fossil wood.