Rare earth elements mobility processes in an AMD-affected estuary: Huelva Estuary (SW Spain)

Rare earth elements mobility processes in an AMD-affected estuary: Huelva Estuary (SW Spain)

Huelva Estuary is a transition zone where REE-rich acidic waters interact with saline-alkaline seawater. This mixing process influences the geochemical and mineralogical characteristics of particulate and dissolved fractions. The Tinto River has >11,000μgL−1 dissolved REE (pH=1.66), whereas seawa...

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Veröffentlicht in:Marine pollution bulletin 2017-08, Vol.121 (1-2), p.282-291
Hauptverfasser: Lecomte, K.L., Sarmiento, A.M., Borrego, J., Nieto, J.M.
Format: Artikel
Sprache:eng
Schlagworte:
Acid drainage
Acid mine drainage
Crystallization
Earth
Environmental Monitoring
Estuaries
Estuarine dynamics
Estuary
Extraction
Fresh Water
Geochemistry
Goethite
Haematite
Hematite
Hydrogen ions
Iron
Metals, Rare Earth - analysis
Minerals
Mixing process
pH effects
Precipitates
Rare earth elements
Rivers
Saline water
Salts
Seawater
Sediments
Solutions
Spain
Trace elements
Transition zone
Water Pollutants, Chemical
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Zusammenfassung:Huelva Estuary is a transition zone where REE-rich acidic waters interact with saline-alkaline seawater. This mixing process influences the geochemical and mineralogical characteristics of particulate and dissolved fractions. The Tinto River has >11,000μgL−1 dissolved REE (pH=1.66), whereas seawater only reaches 8.75·10−2μgL−1 dissolved REE (pH=7.87). REE-normalized patterns in “pH
ISSN:0025-326X
1879-3363
DOI:10.1016/j.marpolbul.2017.06.030