1.
(Table 1) Sampling stations and environmental data of the Amazon basin
2.
(Table 3) Bulk organic geochemical data of marine surface sediments collected in the Tagus River basin
3.
(Table 1) Bulk organic matter and GDGT analyses from riverbed sediments and river SPM samples
(Table 1) Portuguese continental margin SPM sampling stations and bulk geochemistry
(Table 1) Environmental and bulk geochemical data of soils and riverbank sediments collected in the Tagus River basin
(Table 2) Bulk organic geochemical data of SPM collected in the Tagus River basin
(Table 3) Concentrations of GDGTs and brGDGT-based indices for each sample set along the Tagus transect
(Table 2) Portuguese continental margin surface sediment bulk geochemistry