?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=ANALISIS+ARUS+GEOSTROPIK+BERDASARKAN+KETINGGIAN%0D%0AMUKA+LAUT+DAN+KAITANNYA+DENGAN+KEJADIAN+UPWELLING%0D%0ADI+PERAIRAN+SAMUDRA+HINDIA+BAGIAN+TIMUR&rft.creator=Muhammad+%2C+Dicky+Darmawan%09&rft.subject=630+Pertanian+dan+teknologi+yang+berkaitan&rft.description=Fenomena+oseanografi+di+Samudra+Hindia+terjadi+akibat+interaksi+antara+atmosfer%0D%0A%0D%0Adan+laut.+Interaksi+ini+menyebabkan+perubahan+kondisi+laut%2C+salah+satunya+perbe-%0D%0Adaan+tinggi+muka+laut.+Perbedaan+tinggi+muka+laut+pada+dua+lokasi+di+lautan+akan%0D%0A%0D%0Amenghasilkan+gradien+tekanan.+Arus+laut+akan+bergerak+dari+tekanan+tinggi+ke+te-%0D%0Akanan+rendah.+Namun%2C+karena+pengaruh+gaya+coriolis%2C+arah+arus+akan+dibelokkan.%0D%0A%0D%0AArus+yang+dihasilkan+dari+keseimbangan+antara+gradien+tekanan+dan+gaya+Coriolis%0D%0Adisebut+arus+geostropik.+Tujuan+penelitian+ini+adalah+untuk+menganalisis+arus%0D%0A%0D%0Ageostropik+yang+dihasilkan+dari+perbedaan+tinggi+muka+laut%2C+menganalisis+ang-%0D%0Akutan+Ekman%2C+dan+mengidentifikasi+hubungannya+dengan+fenomena+upwelling%2C%0D%0A%0D%0Ayang+diverifikasi+menggunakan+distribusi+suhu+permukaan+laut+dan+klorofil-a.%0D%0A%0D%0AMetode+penelitian+ini+menggunakan+perhitungan+arah+dan+besarnya+arus+geostro-%0D%0Apik+berdasarkan+perbedaan+tinggi+muka+laut.+Arah+dan+besarnya+arus+geostropik%0D%0A%0D%0Akemudian+dipakai+untuk+menghitung+angkutan+Ekman+dan+mengidentifikasi+ke-%0D%0Ajadian+upwelling.+Kejadian+upwelling+diverifikasi+menggunakan+distribusi+suhu%0D%0A%0D%0Apermukaan+laut+dan+klorofil-a.+Data+yang+digunakan+dalam+metodologi+penelitian%0D%0Ameliputi+tinggi+muka+laut%2C+suhu+permukaan+laut%2C+dan+klorofil-a+antara+periode%0D%0A%0D%0A2016-2020.+Hasil+penelitian+menunjukkan+bahwa+pola+arus+geostropik+tidak+ber-%0D%0Abeda+secara+signifikan+antar+tahun.+Variabilitas+terjadi+pada+besarnya+dan+inten-%0D%0Asitas+eddies+secara+musiman.+Secara+umum%2C+di+laut+lepas%2C+arus+geostropik+mem-%0D%0Abentuk+pola+lingkaran+yang+disebut+eddies.+Pola+arus+pada+eddies+bergerak+searah%0D%0A%0D%0Ajarum+jam+(siklonik)+di+zona+konvergen+dan+bergerak+berlawanan+jarum+jam+(anti-%0D%0Asiklonik)+di+zona+divergen.+Di+daerah+pantai%2C+arus+geostropik+cenderung+bergerak%0D%0A%0D%0Ake+arah+barat+di+barat+Sumatra+dan+timur+di+selatan+Jawa.+Angkutan+Ekman+cen-%0D%0Aderung+bergerak+90%C2%B0+ke+kanan+arus+geostropik.+Oleh+karena+itu%2C+angkutan+Ekman%0D%0A%0D%0Abergerak+menuju+pantai+di+barat+Sumatra+dan+menjauhi+pantai+di+selatan+Jawa.%0D%0AKondisi+ini+menyebabkan+upwelling+hanya+terjadi+di+selatan+Jawa+dan+puncaknya%0D%0Apada+musim+timur%2C+sehingga+disebut+upwelling+musiman.+Kejadian+upwelling+di%0D%0Alaut+lepas+jarang+terjadi+karena+angkutan+Ekman+di+zona+divergen+tidak+dapat%0D%0Amembawa+massa+air+akibat+stratifikasi+termoklin+yang+lebih+dalam.%0D%0AKata+kunci%3A+Arus+geostropik%2C+angkutan+Ekman%2C+upwelling%2C+Samudra+Hindia%0D%0A%0D%0AThe+phenomena+oceanography+of+the+Indian+Ocean+is+affected+by+the+interaction%0D%0Abetween+the+atmosphere+and+the+ocean.+This+interaction+causes+changes+in+ocean%0D%0Aconditions%2C+one+of+which+results+in+differences+in+sea+level+high.+The+different+sea%0D%0Alevel+high+between+two+places+in+the+ocean+will+cause+a+pressure+gradient.+The%0D%0Aocean+current+will+move+forward+from+high+pressure+to+low+pressure.+Due+to+the%0D%0Ainfluence+of+the+coriolis+force%2C+the+direction+of+the+current+will+be+deflected.+The%0D%0Acurrent+resulting+from+the+balance+between+the+pressure+gradient+and+coriolis+force%0D%0Ais+called+the+geostrophic+current.+The+aims+of+this+research+ware+to+analyze+the%0D%0Ageostrophic+current+resulting+from+the+different+of+sea+level+height%2C+analyze+the%0D%0A%0D%0AEkman+transport%2C+and+identify+its+relation+to+upwelling+phenomena%2C+which+are+ve-%0D%0Arified+using+sea+surface+temperature+and+chlorophyll-a+distribution.+The+quantita-%0D%0Ative+method+used+in+this+research%2C+by+calculating+the+direction+and+magnitude+of%0D%0A%0D%0Athe+geostrophic+current+based+on+differences+in+sea+level+high.+The+direction+and%0D%0Amagnitude+of+the+geostrophic+current+the+used+to+calculate+the+Ekman's+transport%0D%0Aand+identify+upwelling+events.+The+upwelling+events+verified+by+the+distribution+of%0D%0A%0D%0Asea+surface+temperature+and+chlorophyll-a.+The+data+used+in+the+research+methodo-%0D%0Alogy+include+sea+level+high%2C+sea+surface+temperature+(SST)%2C+and+chlorophyll-a+bet-%0D%0Aween+the+period+of+2016-2020.+The+results+of+this+research+showed+that+the+pattern%0D%0A%0D%0Aof+the+geostrophic+current+did+not+differ+significantly+between+years.+The+variabili-%0D%0Aties+occured+in+the+magnitude+and+intensity+of+eddies.+These+variabilities+occured%0D%0A%0D%0Aseasonally.+In+general%2C+at+the+open+ocean%2C+the+geostrophic+current+formed+a+circular%0D%0Apattern+called+eddies.+These+circular+patterns+moved+clockwise+(cyclonic)+in+the%0D%0Aconvergence+zone+and+moved+anticlockwise+(anticyclonic)+in+the+divergence+zone.%0D%0AIn+the+coastal+area%2C+the+geostrophic+current+tend+to+moved+towards+to+the+west+in%0D%0Awestern+Sumatra+and+east+in+southern+Java.+The+Ekman+transport+tend+to+move+90o%0D%0Ato+the+right+of+the+geostrophic+current.+Therefore%2C+it+will+move+towards+the+coast+in%0D%0Awestern+Sumatra+and+away+from+the+coast+in+southern+Java.+This+condition+caused%0D%0Aupwelling+to+only+occured+in+southern+Java+and+its+peak+only+occured+in+the+east%0D%0Amonsoon%2C+so+it+was+called+seasonal+upwelling.+The+upwelling+event+in+the+open%0D%0Aocean+rarely+occured+because+the+Ekman+transport+in+the+divergence+zone+was%0D%0Aunable+to+receiver+water+mass+due+to+the+deeper+thermocline+stratification.%0D%0AKey+words%3A+Geostrophic+current%2C+transport+Ekman%2C+upwelling%2C+Indian+Ocean&rft.publisher=FAKULTAS+PERTANIAN&rft.date=2024-01-15&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F82820%2F1%2FABSTRAK%2520SKRIPSI%2520MUHAMMAD%2520DICKY%2520DARMAWAN%2520-%2520M%2520Dicky%2520Darmawan.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F82820%2F2%2FSKRIPSI%2520MUHAMMAD%2520DICKY%2520DARMAWAN%2520TANPA%2520LAMPIRAN%2520%2528UPLOAD%2529%2520-%2520M%2520Dicky%2520Darmawan.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F82820%2F3%2FSKRIPSI%2520MUHAMMAD%2520DICKY%2520DARMAWAN%2520TANPA%2520LAMPIRAN%2520DAN%2520PEMBAHASAN%2520%2528UPLOAD%2529%2520-%2520M%2520Dicky%2520Darmawan.pdf&rft.identifier=++Muhammad+%2C+Dicky+Darmawan+++(2024)+ANALISIS+ARUS+GEOSTROPIK+BERDASARKAN+KETINGGIAN+MUKA+LAUT+DAN+KAITANNYA+DENGAN+KEJADIAN+UPWELLING+DI+PERAIRAN+SAMUDRA+HINDIA+BAGIAN+TIMUR.++FAKULTAS+PERTANIAN%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F82820%2F