Aerial photograph of sendai coast for shoreline behavior analysis

Eko Pradjoko, Hitoshi Tanaka

Research output: Contribution to journalConference article

10 Citations (Scopus)

Abstract

The shoreline analysis around the Nanakita River mouth has been performed by utilizing aerial photographs to reveal the different behavior between left and right side of the river mouth. The shoreline on left side of river mouth has been moving more dynamically than the right side. The empirical orthogonal function (EOF) method is also applied on the shoreline data to reveal the behavior of shoreline change. The first mode of variability reflects the cross-shore movement which is shown by uniform advance and retreat movement along the beach. The shoreline change around the Nanakita River mouth is dominated by the cross-shore movement which is shown by around 80% contribution of first mode. The second mode of variability depicts the longshore sediment movement which is shown by different shoreline movement between left and right side of river mouth. The longshore movement only contributes around 10% to the shoreline change around the Nanakita River mouth. The second mode also reveals the influence of river mouth to the longshore sediment transport characterized by different shoreline response between left and right side.

Original languageEnglish
JournalProceedings of the Coastal Engineering Conference
Publication statusPublished - 2010 Dec 1
Event32nd International Conference on Coastal Engineering, ICCE 2010 - Shanghai, China
Duration: 2010 Jun 302010 Jul 5

Keywords

  • Aerial photograph
  • Empirical orthogonal function
  • Longshore sediment transport
  • River mouth
  • Shoreline

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Ocean Engineering
  • Oceanography

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