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All Journal Journal of Engineering and Technological Sciences Al-Syakhshiyyah : Jurnal Hukum Keluarga Islam dan Kemanusiaan
Hamzah Latief
Study Program of Oceanography, Institut Teknologi Bandung
Religion Humanities Engineering Law, Crime, Criminology & Criminal Justice

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Analysis of Surface Wave Attenuation in Mangrove Forests Hadi, Safwan; Latief, Hamzah; Muliddin, Muliddin
Journal of Engineering and Technological Sciences Vol 35, No 2 (2003)
Publisher : ITB Journal Publisher, LPPM ITB

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (799.896 KB) | DOI: 10.5614/itbj.eng.sci.2003.35.2.1

Abstract

This paper presents an analytical study on surface wave attenuation in mangrove forest using analytical model developed by Massel et.al. (1999). The energy dissipation in the frequency domain is determined by treating the mangrove forest as a random media with certain characteristics using the geometry of mangrove trunks and their locations. Initial nonlinear governing equations are linearized using the concept of minimalization in the stochastic sense and interactions between mangrove trunks and roots have been introduced through the modification of the drag coefficients. To see the effectiveness of the mangrove forest in attenuating wave energy the analytical model was applied to two types of mangrove forest i.e. Rhizophora and Ceriops forests. The resulting rate of wave energy attenuation depends strongly on the density of the mangrove forest, and on diameter of mangrove roots and trunks. More effective wave energy attenuation is shown by Rhizophora.
TELAAH MAQASID SYARIAH TERHADAP PUTUSAN MK NO. 22/PUU-XV/2017 TENTANG BATAS USIA NIKAH latief, hamzah
AL-SYAKHSHIYYAH Jurnal Hukum Keluarga Islam dan Kemanusiaan Vol 1, No 1 (2019): Aktualisasi Nilai Hukum Keluarga Islam dan Kemanusiaan di Era Disruptif
Publisher : IAIN BONE

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (612.442 KB) | DOI: 10.35673/asyakhshiyyah.v1i1.210

Abstract

AbstractThis study is a review of the decision of the Mahkamah Konstitusi (MK) No.22 / PUU-XV / 2017 about the age limit of marriage. The marriage age formulation carried out by the Mahkamah Konstitusi through recommendations in its decision to be revised up to the age of female marriage between 18-19 years. This study is a normative study with a library analysis of the Mahkamah Konstitusi decision regarding the age of marriage in the perspective of maqasid syari'ah. The results of the study indicate that the Mahkamah Konstitusi decision No.22 / PUU-XV / 2017 regarding changes in the age of marriage for women is in line with the concept of maqasid syari'ah. Keywords: MK Decision; Age of Marriage; Maqasid Syari'ah.
Co-Authors Muliddin Safwan Hadi