/* DATA DESCRIPTION:
Citation:	Seidel, Michael; Knoke, Melina; Klaproth, Katrin; Friebe, Matthias; Ulber, Ina Ida; Lehners, Carola; Schnetger, Bernhard; Zielinski, Oliver; Dittmar, Thorsten (2025): Biogeochemistry of dissolved organic matter in a mangrove-fringed estuary in Amazonia [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.974693
Abstract:	We studied dissolved organic matter (DOM) dynamics in a mangrove-fringed estuary in North Brazil, linking DOM composition to redox conditions at its formation sites. By combining molecular analyses with nutrient and trace metal data, we highlight the outwelling of recalcitrant DOM as a significant contributor to coastal carbon storage and present a novel molecular index (ISuP) for distinguishing DOM sources in complex coastal ecosystems. This dataset contains dissolved organic matter (DOM) molecular data from ultrahigh-resolution mass spectrometry (Fourier-transform ion cyclotron resonance mass spectrometer, FT-ICR-MS), molecular indices calculated from the FT-ICR-MS data (ISuP and ITerr) and environmental data, including dissolved organic carbon (DOC), nutrient (NOx and phosphate), and trace metal (Fe,Mn, Ba) data. Water samples were collected along a mangrove-fringed estuary near Bragança in Pará State (Brazil). Furthermore, it contains porewater samples from eight locations in the mangrove forest and tidal water samples from a mangrove creek, as described in Knoke et al. (2024).
Keyword(s):	DOM; FDOM; FT-ICR-MS; mangroves; nutrients; trace metals Fe/Mn/Ba
Related to:	Knoke, Melina; Dittmar, Thorsten; Zielinski, Oliver; Kida, Morimaru; Asp, Nils; de Rezende, Carlos; Schnetger, Bernhard; Seidel, Michael (2024): Outwelling of reduced porewater drives the biogeochemistry of dissolved organic matter and trace metals in a major mangrove-fringed estuary in Amazonia. Limnology and Oceanography, 69(2), 262-278, https://doi.org/10.1002/lno.12473
Funding:	German Research Foundation (DFG) (URI: http://www.dfg.de/en/), grant/award no. 273262541: Are permeable coastal sediments hotspots for the formation of non-volatile dissolved organic sulfur (DOS) in the ocean? (URI: https://gepris.dfg.de/gepris/projekt/273262541)
Coverage:	MEDIAN LATITUDE: -0.930258 * MEDIAN LONGITUDE: -46.672770 * SOUTH-BOUND LATITUDE: -1.062000 * WEST-BOUND LONGITUDE: -46.760300 * NORTH-BOUND LATITUDE: -0.802150 * EAST-BOUND LONGITUDE: -46.588650
	DATE/TIME START: 2017-09-27T14:00:00 * DATE/TIME END: 2017-10-11T21:00:00
License:	Creative Commons Attribution 4.0 International (CC-BY-4.0) (URI: https://creativecommons.org/licenses/by/4.0/)
Size:	2 datasets
*/
/* TABULAR SUMMARY OF DATASETS LISTED IN THIS COLLECTION: */
Filename	Citation of child dataset
MARDOS_Environmental.tab	Seidel, Michael; Knoke, Melina; Klaproth, Katrin; Friebe, Matthias; Ulber, Ina Ida; Lehners, Carola; Schnetger, Bernhard; Zielinski, Oliver; Dittmar, Thorsten (2025): Environmental parameters and molcecular indices derived from ultra-high resolution mass spectrometry (FT-ICR-MS). https://doi.org/10.1594/PANGAEA.974787
MARDOS_Molecular_FT_ICR_MS.tab	Seidel, Michael; Knoke, Melina; Klaproth, Katrin; Friebe, Matthias; Ulber, Ina Ida; Lehners, Carola; Schnetger, Bernhard; Zielinski, Oliver; Dittmar, Thorsten (2025): Molecular DOM composition (relative peak intensities) derived from ultra-high resolution mass spectrometry (FT-ICR-MS). https://doi.org/10.1594/PANGAEA.974788
