Delta zoning based on sediment dispersal in Pahang River Delta

Atiqah Sahmad Abdul Samad, Che Aziz Ali, Kamal Roslan Mohamed

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Rapid deposition and suspended sediment dispersal off the Pahang River mouth has been examined by collecting 57 samples around Pahang River Delta. The results show that Pahang River Delta can be divided into four zones which are distributary mouth bar, delta front, pro-delta and platform or shelf. Grain size analysis can be used in order to determine zones of deltaic deposition. Most rapid deposition and deposition of the coarsest material takes place in a short distance from the river mouth, a sand body commonly referred to a distributary mouth bar. The average percentage of sand, silt and clay of this zone are 77 %, 17 % and 4 %, respectively. Seaward of this region, percentage of sand diminished rapidly where a zone of inter-fingering sands, silt and clay are commonly found. This zone is commonly referred as delta front deposits where the average percentage of sand, silt and clay for this zone are 47 %, 46 % and 6 %, respectively. Beyond the delta fronts, only fine silt and clay remain in suspension and deposit out of suspension on the continental shelf. These deposits are commonly referred to as pro-delta clays. The average percentage of sand, silt and clay for this zone are 37 %, 45 %, and 18 %, respectively. As the delta builds seaward for the shelf zone, the coarser sand deposit progressively lay down and it is proven by the average percentage of sand silt and clay which are 18 %, 14 % and 5 %, respectively. The ongoing sedimentation of Pahang river delta will progressively overlay on top of South China Sea sediments.

Original languageEnglish
Title of host publicationAIP Conference Proceedings
Pages438-444
Number of pages7
Volume1571
DOIs
Publication statusPublished - 2013
Event2013 UKM Faculty of Science and Technology Post-Graduate Colloquium - Selangor, Malaysia
Duration: 3 Jul 20134 Jul 2013

Other

Other2013 UKM Faculty of Science and Technology Post-Graduate Colloquium
CountryMalaysia
CitySelangor
Period3/7/134/7/13

Fingerprint

rivers
sediments
sands
clays
mouth
deposits
shelves
continental shelves
China
platforms
grain size

Keywords

  • Delta component
  • Grain size
  • Pahang River Delta
  • Sedimentation

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Delta zoning based on sediment dispersal in Pahang River Delta. / Samad, Atiqah Sahmad Abdul; Ali, Che Aziz; Mohamed, Kamal Roslan.

AIP Conference Proceedings. Vol. 1571 2013. p. 438-444.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Samad, ASA, Ali, CA & Mohamed, KR 2013, Delta zoning based on sediment dispersal in Pahang River Delta. in AIP Conference Proceedings. vol. 1571, pp. 438-444, 2013 UKM Faculty of Science and Technology Post-Graduate Colloquium, Selangor, Malaysia, 3/7/13. https://doi.org/10.1063/1.4858695
Samad, Atiqah Sahmad Abdul ; Ali, Che Aziz ; Mohamed, Kamal Roslan. / Delta zoning based on sediment dispersal in Pahang River Delta. AIP Conference Proceedings. Vol. 1571 2013. pp. 438-444
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