Elemental composition, stable carbon isotope ratios and spectrophotometric properties of humic substances occurring in a salt marsh estuary

Humus Chemistry—Genesis, Composition, Reactions

J. W. Parsons · Soil Science · 1983 · 4.1K citations

Engineering, Chemical Composition, Chemical Form +5

Information Provided on Humic Substances by E4/E6 Ratios

Y. Chen, N. Senesi, M. Schnitzer · Soil Science Society of America Journal · 1977 · 1.1K citations

Soil Characterization, Organic Geochemistry, Biogeochemistry +15

Depletion of 13C in lignin and its implications for stable carbon isotope studies

Ronald Benner, Marilyn L. Fogel, E. Kent Sprague et al. · Nature · 1987 · 1.1K citations

Isotope Analysis, Organic Geochemistry, Biogeochemistry +8

Humic Substances in Soil, Sediment, and Water. Geochemistry, Isolation, and Characterization

Charles A. Fewson · Geoderma · 1986 · 798 citations

Biogeochemistry, Environmental Chemistry, Engineering +7

Land-derived organic matter in surface sediments from the Gulf of Mexico

John I. Hedges, Patrick L. Parker · Geochimica et Cosmochimica Acta · 1976 · 566 citations

Organic Geochemistry, Biogeochemistry, Environmental Chemistry +11