?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+DAYA+HAMBAT+AKAR+NAFAS%0D%0AMANGROVE+AVICENNIA+MARINA%0D%0ADALAM+MEREDAM+GELOMBANG%0D%0AUNTUK+PERENCANAAN+BANGUNAN+TEPI+PANTAI&rft.creator=M.+RIZKI+AL+SAFAR%2C+1415011091&rft.subject=620+Ilmu+teknik+dan+ilmu+yang+berkaitan&rft.subject=720+Arsitektur&rft.description=Gelombang+air+laut+memiliki+manfaat+dan+dampak.+Gelombang+tsunami+dan%0D%0Apasang+adalah+contoh+berbahaya+dari+dampak+gelombang.+Salah+satu+cara+efektif%0D%0Ameredam+gelombang+adalah+pemanfaatan+ekosistem+hutan+mangrove.+Sistem%0D%0Aperakaran+dan+tegakan+pohonnya+merupakan+penyebab+terjadinya+fungsi%0D%0Aperlindungan+mangrove+terhadap+pantai.+Tujuan+penelitian+ini+adalah%0D%0Amenganalisis+pengaruh+daya+hambat+akar+nafas+mangrove+Avicennia+marina%0D%0Adalam+meredam+gelombang+untuk+perencanaan+bangunan+tepi+pantai+di+Pesisir%0D%0APantai+Pasir+Sakti%2C+Lampung+Timur.+Metode+penelitian+yang+digunakan+adalah%0D%0Aspot-check%2C+transek-kuadrat%2C+sondani+dan+uji+laboratorium.+Pengukuran+data%0D%0Agelombang+menggunakan+alat+SBE+26+dan+RBRDuo+T.D.+Pengukuran+dilakukan%0D%0Apada+5+stasiun+dengan+jarak+3%2C+5%2C+10%2C+20%2C+dan+50+m.+Rawdata+diolah+menggunakan%0D%0Amicrosoft+excel+menghasilkan+persentase+peredaman+tinggi+gelombang+jarak+50+m%0D%0Asebesar+97%2C5+%25+dengan+formula+%CE%94H+%3D+-0%2C0359x2+%2B+2%2C4263x+%2B+64%2C332+dan%0D%0Apersentase+peredaman+energi+gelombang+jarak+50+m+sebesar+94%2C5+%25+dengan%0D%0Aformula+%CE%94E+%3D+-0%2C0592x2+%2B+4%2C0142x+%2B+39%2C267.+Akar+nafas+ditinjau+dari+kerapatan%0D%0Adan+kelentingannya+memiliki+efektifitas+dalam+peredaman+gelombang.%0D%0AKesimpulannya+adalah+peredaman+akar+nafas+di+pinggir+pantai+memiliki%0D%0Aefektifitas+redaman+terbesar+karena+akar+nafas+mengalami+daya+lenting+optimal%0D%0Adengan+kepadatan+yang+terbesar%2C+sehingga+akar+nafas+mangrove+Avicennia+marina%0D%0Adapat+menjadi+peredam+alami+gelombang.%0D%0AKata+kunci+%3A+akar+nafas%2C+avicennia+marina%2C+gelombang%0D%0AOcean+waves+have+benefits+and+impacts.+Tsunami+and+tidal+waves+were%0D%0Adangerous+examples+of+wave+impacts.+One+effective+way+to+reduce+waves+was%0D%0Aused+mangrove+forest+ecosystems.+Shape+system+of+the+roots+and+trees+were+the%0D%0Acause+of+the+mangrove+function+protection+in+the+beach.+The+purpose+of+this+study%0D%0Awas+to+analyze+the+influence+of+Avicennia+marina's+mangrove+pneumatophore+in%0D%0Areducing+waves+for+beachside+building+planning+at+Pasir+Sakti+Beach%2C+East%0D%0ALampung.+The+methods+used+in+this+study+were+quadrat-transect%2C+spot-check%2C%0D%0Asondani+and+laboratory+test.+SBE+26plus+and+RBRDuo+T.D.+tools+were+used+in%0D%0Ameasuring+the+wave+data.+The+measuring+was+administered+in+five+stations+at+3%2C%0D%0A5%2C+10%2C+20%2C+and+50m.+The+rawdata+was+processed+using+microsoft+excel+to%0D%0Agenerate+a+50m+high+wavelength+rate+of+97%2C5%25+with+a+formula+of+%CE%94H+%3D+-+0%2C0359x2+%2B+2%2C4263x+%2B+64%2C332+and+the+percentage+of+wave+energy-cancelling%0D%0Adistance+of+50m+of+94%2C5%25+with+the+formula+%CE%94E+%3D+-0%2C0592x2+%2B+4%2C0142x+%2B+39%2C267.%0D%0AThe+pneumatophore+is+reviewed+from+density+and+resilience+have+effectiveness%0D%0Ain+reducing+waves.+The+conclusion+is+wave+attenuation+caused+by%0D%0Apneumatophores+in+the+seafront+more+effective+to+reduce+wave+because%0D%0Apneumatophores+optimal+resillience+with+the+largest+density%2C+therefore%0D%0Apneumatophore+of+mangrove+avicennia+marina+can+be+a+natural+wave+absorber.%0D%0AKeyword+%3A+avicennia+marina%2C+pneumatophore%2C+wave&rft.publisher=FAKULTAS+TEKNIK&rft.date=2019&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56532%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56532%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56532%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++M.+RIZKI+AL+SAFAR%2C+1415011091++(2019)+PENGARUH+DAYA+HAMBAT+AKAR+NAFAS+MANGROVE+AVICENNIA+MARINA+DALAM+MEREDAM+GELOMBANG+UNTUK+PERENCANAAN+BANGUNAN+TEPI+PANTAI.++FAKULTAS+TEKNIK%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F56532%2F