Nitrate d15N and d18O, and water d2H and d18O stable isotopes of METEOR cruise M174


The Amazon River is known as a region of intense biochemical reactivity. As a result of increased anthropogenic impacts in its catchment (e.g. population growth, agriculture, and deforestation), The Amazon River is undergoing fundamental changes. The RV METEOR cruise M174 (doi:10.1594/PANGAEA.935041) aimed to provide an integrated overview of nitrogen cycling processes in areas influenced by the Amazon River, which is crucial to estimate the ecosystem's health and productivity. During this cruise, six stations were visited to explore the significance of denitrification as a dominant pathway in the watercolumn of the Amazon and Pará estuaries. This dataset presents the stable isotopic composition of nitrate (d15N- d18O-NO3), as well as d2H and d18O of ambient water.

Metadata Access
Creator Choisnard, Noémie ORCID logo; Böttcher, Michael Ernst ORCID logo; Liskow, Iris; Schmiedinger, Iris; Voss, Maren ORCID logo
Publisher PANGAEA
Publication Year 2024
Funding Reference Deutsche Forschungsgemeinschaft, Bonn Crossref Funder ID 439440452 Metabolismus des Stickstoffs in der Amazonasfahne und dem westlichen, tropischen Nordatlantik (MeNARP)
Rights Creative Commons Attribution 4.0 International;
OpenAccess true
Resource Type Dataset
Format text/tab-separated-values
Size 60 data points
Discipline Earth System Research
Spatial Coverage (-48.840W, -0.598S, -47.731E, 1.613N); South Atlantic Ocean
Temporal Coverage Begin 2021-04-23T06:27:57Z
Temporal Coverage End 2021-04-27T11:40:39Z