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Ceaster Forum » Regional » Jawa Timur » Tuban » Berita Tuban » ANALISA PERUBAHAN GARIS PANTAI TUBAN, JAWA TIMUR DENGAN MENGGUNAKAN EMPIRICAL ORTHOGONAL FUNCTION (EOF)

ANALISA PERUBAHAN GARIS PANTAI TUBAN, JAWA TIMUR DENGAN MENGGUNAKAN EMPIRICAL ORTHOGONAL FUNCTION (EOF)

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ANALYSIS OF TUBAN, EAST JAVA COASTLINE CHANGE USING EMPIRICAL ORTHOGONAL FUNCTION (EOF)
Created by :
AZHAR, MOCH. RIZAL  ( 4306100105 )


Subject: Garis pantai
Alt. Subject : Shorelines
Coast changes
Keyword: Analisa EOF
Eigenfunction
Eigenvalue
Perubahan garis pantai

[b style="color: rgb(0, 0, 0); font-family: verdana; font-size: 11px;"]Description:[/b]

Penelitian ini bertujuan untuk mengetahui pola dominan dari variasi perubahan garis pantai Tuban, yang dinyatakan dengan persamaan Empirical Orthogonal Function (EOF). Persamaan EOF tersebut memerlukan data input garis pantai dua bulanan yang diperoleh dari peramalan menggunakan oneline model. Hasil analisa EOF dengan validasi peta tahun 2011 menunjukkan terjadi perubahan pada pias 1-30, pias 31-60, pias 61-90, pias 91-120, dan pias 121-150. Perubahan terjadi pada pias 31-60 sebesar 0.0005%, sedangkan pada pias lainnya sebesar 0-0.0001%. Sebagian besar pias tetap stabil apabila dibandingkan dengan garis pantai awal tahun 2005. Setelah itu, eigenvalue dari hasil analisa EOF dihubungkan dengan parameter dekat pantai. Dari hasil analisa semakin besar eigenvalue yang dihasilkan, maka semakin besar pula nilai dari energi gelombang (E), Wave Stepness (Ho/Lo), Fluks energi gelombang cross shore (Fx) ataupun longshore (Fy) sehingga terjadi suatu perbandingan yang lurus. Sedangkan untuk eigentemporal c(t), dimana semakin besar sudut datang maka energi gelombang (E), Wave Stepness (Ho/Lo), Fluks energi gelombang cross shore (Fx) ataupun longshore (Fy) akan bernilai semakin kecil sehingga terjadi suatu perbandingan yang terbalik.


Alt. Description

This study aims to know dominant pattern of variations coastline change of Tuban, expressed by Empirical Orthogonal Function (EOF). The equation that requires data input coastline two-monthly results using oneline model. EOF analysis validation results with map 2011 shows changes on cell 1-30, cell 31-60, cell 61 90, cell 91-120, and cell 121-150. Changes occur on cell 31-60 of 0.0005%, while on the other cell for 0-0.0001%. Most remain stable if the pias compared with shoreline early in 2005. After that, the eigenvalue of the EOF analysis results associated with the parameter near the coast. Then from the results of the analysis of the larger eigenvalue is generated then the greater the value of the wave energy wave (E), stepness (Ho/Lo), cross shore wave energy (Fx) or longshore (Fy), leading to a straight comparison. As for the eigentemporal c (t), where the larger the angle the wave energy wave (E), stepness (Ho/Lo), cross shore wave energy (Fx) or longshore (Fy) it would be worth getting smaller, leading to a comparison that is reversed.

Contributor:

  1. Suntoyo, ST., M.Eng., Ph.D.
  2. Drs. Mahmud Musta�in, M.Sc, Ph.D

Date Create:25/07/2012
Type:Text
Format:pdf
Language:Indonesian
Identifier:ITS-Undergraduate-43001130002414
Collection ID:43001130002414
Call Number:RSKe 551.458 Azh a


Source : 
Undergraduate Thesis of Offshore Engineering, RSKe 551.458 Azh a, 2013

Coverage : 
ITS Community

Rights : 
Copyright @2013 by ITS Library. This publication is protected by copyright and per obtained from the ITS Library prior to any prohibited reproduction, storage in a re transmission in any form or by any means, electronic, mechanical, photocopying, reco For information regarding permission(s), write to ITS Library


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