Retrieval of suspended sediment concentrations in large turbid rivers using Landsat ETM+ : an example from the Yangtze River, China

Auteur(s) et Affiliation(s)

WANG, J.-J.

Dep. of geography, National Univ., Singapore, Singapour

LU, X.X.

Dep. of geography, National Univ., Singapore, Singapour

LIEW, S.C.

Centre for Remote Imaging, Sensing and Processing (CRISP), National Univ., Singapore, Singapour

ZHOU, Y.

Yunnan Univ. of Finance and Economics, Kunming, Chine

Description :
Suspended sediment concentration (SSC) is a critical parameter in the study of river sediment transport and water quality variation. This paper is focused on presenting a methodology that may be useful in estimating SSC which is of key importance in process geomorphology and hydrology. The dataset used in this paper includes measured SSC and multi-temporal Landsat ETM+ images covering most part of the Yangtze River. A newly developed regression relation between SSC and water reflectance of Band 4 appears to be able to provide a relatively accurate SSC estimate directly from Landsat ETM+ images for the Yangtze River from the upper, the middle to the lower reaches.

Type de document :
Article de périodique

Source :
Earth surface processes and landforms, issn : 0197-9337, 2009, vol. 34, n°. 8, p. 1082-1092, nombre de pages : 11, Références bibliographiques : 1,5 p.

Date :
2009

Editeur :
Pays édition : Royaume-Uni, Chichester, Wiley

Langue :
Anglais