Christoph Hartkopf‐Fröder

Comparison of quantification methods to measure fire‐derived (black/elemental) carbon in soils and sediments using reference materials from soil, water, sediment and the atmosphere

Karen Hammes, Michael W. Schmidt, Ronald J. Smernik et al. · Global Biogeochemical Cycles · 2007 · 876 citations · Full text

Natural Sciences, Earth Sciences, Environmental Sciences +17

Molecular characterization of fossil palynomorphs by transmission micro-FTIR spectroscopy: Implications for hydrocarbon source evaluation

Suryendu Dutta, Christoph Hartkopf‐Fröder, Karin Witte et al. · International Journal of Coal Geology · 2013 · 125 citations

Natural Sciences, Chemistry, Paleontology +14

Late Moscovian terrestrial biotas and palaeoenvironments of Variscan Euramerica

Christopher J. Cleal, Stanislav Opluštil, Barry A. Thomas et al. · Netherlands Journal of Geosciences – Geologie en Mijnbouw · 2009 · 114 citations · Full text

Natural Sciences, Botany, Ecology +16

Evolution of Pennsylvanian (Late Carboniferous) peat swamps of the Ruhr Basin, Germany: Comparison of palynological, coal petrographical and organic geochemical data

K. Jasper, Christoph Hartkopf‐Fröder, G. Flajs et al. · International Journal of Coal Geology · 2010 · 92 citations

Natural Sciences, Earth Sciences, Geology +15

Late Permian (Lopingian) terrestrial ecosystems: A global comparison with new data from the low-latitude Bletterbach Biota

Massimo Bernardi, Fabio Massimo Petti, Evelyn Kustatscher et al. · Earth-Science Reviews · 2017 · 83 citations · Full text

Natural Sciences, Ecology, Zoology +16