Physicochemical data of porewater collected after incubations


The subterranean estuary (STE) has been recognised as a reactive biogeochemical zone at the groundwater–seawater interface in coastal areas. In this study, we collected sediments from different seasons (April 2021 [storm season) and September 2021 [dry season]) from Mobile Bay, USA. Shallow sediment cores (up to 2 m) were recovered using a Geoprobe coring system (Model 5410, Geoprobe Systems, Inc.). We conducted controlled laboratory experiments using these sediments and subjected them to various nitrate inputs (Storm/Dry 2-4, GW1-2), saline solutions (Storm/Dry 5-6, SW1-2), and incubation times (Storm/Dry 7-8). We measured (1) inorganic nutrients (nitrate, nitrite, ammonium, phosphate), (2) dissolved organic carbon (DOC), and (3) dissolved organic nitrogen (DON) concentration. Dissolved organic matter (DOM) quality was analyzed with Fourier-transform ion cyclotron resonance mass spectrometry.

Metadata Access
Creator Adyasari, Dini ORCID logo; Dimova, Natasha (ORCID: 0000-0002-8993-586X); Waska, Hannelore (ORCID: 0000-0002-5761-560X); Ni Chadhain, Sinead
Publisher PANGAEA
Publication Year 2024
Funding Reference German Research Foundation Crossref Funder ID 446330207
Rights Creative Commons Attribution 4.0 International; Data access is restricted (moratorium, sensitive data, license constraints);
OpenAccess false
Resource Type Dataset
Format text/tab-separated-values
Size 660 data points
Discipline Earth System Research
Spatial Coverage (-87.878 LON, 30.392 LAT); Alabama, Alabama, U.S.A., North America
Temporal Coverage Begin 2021-04-16T10:00:00Z
Temporal Coverage End 2021-09-05T15:00:00Z