Mapping marine and fluvial salt crusts in estuaries collecting acid water using hyperspectral Hyperion imagery (Marshes of the river Odiel, Huelva)

A. Riaza

Spain

Instituto Geológico y Minero de España

Cientifico Titular

Departamento de Investigación en Recursos Minerales

E. García-Meléndez

Spain

Universidad de León

Facultad de Ciencias Ambientales

V. Carrère

France

Université de Nantes

Laboratoire de Planétologie et Géodynamique

A. Mueller

Germany

German Space Agency (DLR)

German Remote Sensing Data Center
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Accepted: 2014-05-25

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Published: 2014-06-02

DOI: https://doi.org/10.4995/raet.2014.2255
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Keywords:

Imaging spectroscopy, Geology, Estuaries, Environmental monitoring, Hyperion, Acid mine drainage

Supporting agencies:

Agencia Espacial Alemana

Junta de Andalucía

Abstract:

Temporal monitoring of salt efflorescence on the marshes at the mouth of the river Odiel (Huelva) is made using hyperspectral archive Hyperion data. Climate variability estimations are made based on well-known spectral features related to vegetation and shallow water, using archive spectral libraries. The observations point to spectral and geomorphological indicators which can be monitored through image processing supported by field and laboratory spectral data, on a repeatable basis. Mapping a larger sequence of images under different climate regime and wider tidal range, would improve the estimation of spectral features to ensure a routine monitoring of salt crusts with hyperspectral data.

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References:

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