1.
(Table 1) Sampling stations and environmental data of the Amazon basin
2.
(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) SPM samples and their general properties
(Table 2) Bulk organic geochemical data of SPM collected in the Tagus River basin