Erosion and accretion processes in a muddy dissipative coast, the Chao Phraya River delta, Thailand

Auteur(s) et Affiliation(s)

UEHARA, K.

Research Inst. for Applied Mechanics, Kyushu Univ., Kasuga, Japon

SOJISUPORN, P.

Dep. of Marine Science, Chulalongkorn Univ., Bangkok, Thailande

SAITO, Y.

Geological Survey of Japan, AIST, Tsukuba, Japon

JARUPONGSAKUL, T.

Dep. of Geology, Chulalong Univ., Bangkok, Thailande

Description :
Seasonal variation in seabed elevation in the muddy intertidal zone of the Chao Phraya River delta was assessed using information on waves and tides predicted by numerical simulations. Observations, aimed at evaluating the effectiveness of a prototype breakwater on mitigating coastal erosion, indicated that the seasonal variation in the seabed elevation was caused primarily by seasonal changes in wave direction and height. The breakwater seems to have contributed to a net rise in the seabed level at sites behind the structure. Another potential cause of seabed erosion and accretion during the wet southwest monsoon season was the discharge of water and sediments from local canals associated with intense tropical rainfall; this discharge seems to be linked to land use in the coastal area.

Type de document :
Article de périodique

Source :
Earth surface processes and landforms, issn : 0197-9337, 2010, vol. 35, n°. 14, p. 1701-1711, nombre de pages : 11, Références bibliographiques : 25 ref.

Date :
2010

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

Langue :
Anglais