?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=ANALISIS+EFEKTIVITAS+SERASAH+MANGROVE+Avicennia+marina%0D%0ADALAM+MENGURANGI+ENERGI+GELOMBANG%0D%0ASEBAGAI+PENDUKUNG+PERENCANAAN%0D%0ABANGUNAN+TEPI+PANTAI+RAMAH+LINGKUNGAN%0D%0A%0D%0A(STUDI+KASUS+DI+PESISIR+PANTAI+PASIR+SAKTI%2C+LAMPUNG+TIMUR)&rft.creator=HENI+NUR+LUTHFIYANI%2C+1415011068&rft.subject=620+Ilmu+teknik+dan+ilmu+yang+berkaitan&rft.description=Konstruksi+bangunan+tepi+pantai+dinilai+beresiko+terhadap+gelombang+laut+yang%0D%0Amenyebabkan+abrasi.+Salah+satu+alternatif+yang+dapat+digunakan+dalam+upaya%0D%0Apencegahan+abrasi+adalah+dengan+memanfaatkan+serasah+mangrove+Avicennia%0D%0Amarina.+Namun%2C+penelitian+tersebut+belum+banyak+dilakukan.+Tujuan+penelitian%0D%0Aini+adalah+menganalisis+efektivitas+serasah+mangrove+Avicennia+marina+dalam%0D%0Amangurangi+energi+gelombang+sebagai+pendukung+perencanaan+bangunan+tepi%0D%0Apantai+ramah+lingkungan+di+Pesisir+Pantai+Pasir+Sakti%2C+Lampung+Timur.+Metode%0D%0Apenelitian+yang+digunakan+adalah+Transek-kuadrat.+Pengukuran+data+gelombang%0D%0Amenggunakan+alat+SBE+26+dan+RBRDuo+T.D.+Pengukuran+dilakukan+pada+5%0D%0Astasiun+dengan+jarak+3+m%2C+5+m%2C+10+m%2C+20+m%2C+dan+50+m.+Data+lapangan+diolah%0D%0Amenggunakan+microsoft+excel+menghasilkan+persentase+peredaman+tinggi%0D%0Agelombang+jarak+50+m+sebesar+97%2C5+%25+dengan+formula+%CE%94H+%3D+-0.0359x2+%2B+2%2C4263x%0D%0A%2B+64%2C332+dan+persentase+peredaman+energi+gelombang+jarak+50+m+sebesar+94%2C5+%25%0D%0Adengan+formula+%CE%94E+%3D+-0.0592x2+%2B+4%2C0142x+%2B+39%2C267.+Serasah+ditinjau+dari%0D%0Avolume+dalam+menentukan+nilai+porositas+memegang+peranan+sebagai+elemen%0D%0Aperedaman+gelombang.+Kesimpulannya+adalah+peredaman+serasah+di+pinggir%0D%0Apantai+memiliki+efektifitas+redaman+terbesar+karena+serasah+memiliki+nilai%0D%0Aporositas+terkecil%2C+sehingga+Avicennia+marina+dapat+dijadikan+pelindung+alami%0D%0Abangunan+tepi+pantai.%0D%0AKata+Kunci%3A+Avicennia+marina%2C+Serasah%2C+Bangunan+Pantai%2C+Lampung+Timur%0D%0AConstruction+of+coastal+buildings+is+considered+to+be+at+risk+of+ocean+waves+that%0D%0Acause+abrasion.+One+alternative+that+can+be+used+in+efforts+to+prevent+abrasion+is%0D%0Ato+use+Avicennia+marina+mangrove+litter.+However%2C+this+research+has+not+been%0D%0Adone+much.+The+purpose+of+this+study+was+to+analyze+the+effectiveness+of%0D%0AAvicennia+marina+mangrove+litter+in+reducing+wave+energy+as+a+supporter+of%0D%0Aenvironmentally+friendly+beachfront+planning+on+the+Coastal+Coast+of+Pasir+Sakti%2C%0D%0AEast+Lampung.+The+research+method+used+is+quadratic+transects.+Measurement+of%0D%0Awave+data+using+SBE+26+and+RBRDuo+T.D.+Measurements+were+made+at+5%0D%0Astations+with+distances+of+3+m%2C+5+m%2C+10+m%2C+20+m+and+50+m.+Field+data+processed%0D%0Ausing+Microsoft+Excel+produces+a+percentage+of+wave+height+reduction+of+50+m+by%0D%0A97.5%25+with+the+formula+%CE%94H+%3D+-0.0359x2+%2B+2.4263x+%2B+64.332+and+the+percentage+of%0D%0Aattenuation+of+wave+energy+of+50+m+distance+is+94.5%25+with+the+formula+%CE%94E+%3D+-%0D%0A0.0592x2+%2B+4%2C0142x+%2B+39%2C267.+Litter+in+terms+of+volume+in+determining+the%0D%0Aporosity+value+plays+a+role+as+an+element+of+wave+attenuation.+The+conclusion+is%0D%0Athe+reduction+of+litter+on+the+beach+has+the+greatest+damping+effectiveness+because%0D%0Alitter+has+the+smallest+porosity+value%2C+so+Avicennia+marina+can+be+used+as+a+natural+protector+of+beachside+buildings.%0D%0AKeywords%3A+Avicennia+marina+%2C+Litter%2C+Coastal+Buildings%2C+East+Lampung&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%2F56444%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56444%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56444%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++HENI+NUR+LUTHFIYANI%2C+1415011068++(2019)+ANALISIS+EFEKTIVITAS+SERASAH+MANGROVE+Avicennia+marina+DALAM+MENGURANGI+ENERGI+GELOMBANG+SEBAGAI+PENDUKUNG+PERENCANAAN+BANGUNAN+TEPI+PANTAI+RAMAH+LINGKUNGAN+(STUDI+KASUS+DI+PESISIR+PANTAI+PASIR+SAKTI%2C+LAMPUNG+TIMUR).++FAKULTAS+TEKNIK%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F56444%2F