?url_ver=Z39.88-2004&rft_id=1815013024&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGGUNAAN+DATA+CITRA+SATELIT+SENTINEL-1+UNTUK%0D%0APENGAMATAN+INTRUSI+AIR+LAUT+BESERTA+RELASINYA%0D%0ATERHADAP+PRODUKTIVITAS+PADI+DI+KECAMATAN+LABUHAN%0D%0AMARINGGAI&rft.creator=Choirunnisa++%2C+Salsabila&rft.subject=600+Teknologi+(ilmu+terapan)&rft.subject=602+Aneka+ragam+tentang+teknologi+dan+ilmu+terapan&rft.description=%0D%0ASebagian+besar+lahan+sawah+di+Indonesia+berada+pada+wilayah+pesisir%2C%0D%0Aberpotensi+tercemar+intrusi+air+laut+dan+mengurangi+tingkat+produktivitas+padi.%0D%0APetani+di+Desa+Sri+Minosari+dan+Desa+Margasari%2C+Labuhan+Maringgai%2C+Lampung%0D%0ATimur+saat+ini+menggunakan+lahan+sawah+dekat+dengan+jarak+sekitar+500+m+dari%0D%0Agaris+pantai.+Tetapi+pemetaan+intrusi+air+laut+di+lahan+sawah+Desa+Sri+Minosari+dan%0D%0AMargasari+belum+dilakukan+dan+belum+diketahui+apakah+ada+pengaruh+intrusi+air%0D%0Alaut+terhadap+produksi+padi+di+kedua+desa+tersebut.+Pada+penelitian+ini+bertujuan%0D%0Auntuk+memetakan+intrusi+air+laut+menggunakan+data+Sentinel-1+dan+mengetahui%0D%0Apengaruh+intrusi+terhadap+produktivitas+lahan+sawah+di+Desa+Sri+Minosari+dan%0D%0AMargasari.+Pemetaan+intrusi+air+laut+dilakukan+menggunakan+metode+regresi+untuk%0D%0Amendapatkan+model+estimasi+nilai+salinitas+dari+data+lapangan+dan+backscatter%0D%0ASentinel-1.+Estimasi+nilai+salinitas+yang+sudah+teruji+akurasinya+dengan+metode%0D%0ARMSE+digunakan+dalam+memetakan+intrusi+dengan+metode+reclassify.+Kemudian%0D%0Adata+estimasi+nilai+salinitas+tersebut+dihubungkan+dengan+data+panen+padi%0D%0Amenggunakan+uji+chi+square+untuk+mengetahui+hubungannya+dengan+produktivitas%0D%0Apadi.+Hasil+estimasi+nilai+salinitas+yang+dilakukan+melalui+persamaan+regresi%0D%0Amendapatkan+nilai+akurasi+RMSE+%C2%B1+0%2C1+pada+polarisasi+VV+dan+VH+dan+RMSE+%C2%B1%0D%0A0%2C2+pada+polarisasi+(VV%2BVH)+dan+(VV%2BVH)%2F2+menunjukkan+bahwa+data+Sentinel-%0D%0A1+cukup+baik+dalam+memetakan+intrusi+air+laut%2C+terutama+pada+polarisasi+VH.+Dari%0D%0Ahasil+pemetaan+intrusi+air+laut+di+Desa+Sri+Minosari+dan+Margasari+terdapat+empat%0D%0Atingkatan+intrusi+yang+teridentifikasi+di+kedua+desa+tersebut+yaitu%2C+tidak+ada+intrusi%2C%0D%0Aintrusi+sedikit%2C+intrusi+sedang%2C+dan+intrusi+tinggi.+Adanya+intrusi+air+laut+tersebut%0D%0Amempengaruhi+produktivitas+padi+di+Desa+Sri+Minosari+dan+Margasari+yang%0D%0Adibuktikan+berdasarkan+uji+chi+square.%0D%0AKata+Kunci%3A+Produktivitas+padi%2C+Intrusi%2C+Sentinel-1%2C+Labuhan+Maringgai%0D%0A%0D%0AMost+paddy+fields+in+Indonesia+tend+to+be+located+in+coastal+areas%2C+so+they+are%0D%0Apotentially+polluted+by+seawater+intrusion+and+can+reduce+rice+productivity.+.%0D%0AFarmers+in+Sri+Minosari+Village+and+Margasari+Village%2C+Labuhan+Maringgai%0D%0ASubdistrict%2C+East+Lampung+are+currently+using+paddy+fields+close+to+a+distance+of%0D%0Aabout+500+m+from+the+coastline.+However%2C+mapping+of+seawater+intrusion+in+the+rice%0D%0Afields+of+Sri+Minosari+and+Margasari+villages+has+not+been+carried+out+and+it+is+not%0D%0Aknown+whether+there+is+an+effect+of+seawater+intrusion+on+rice+production+in+the+two%0D%0Avillages.+This+study+aims+to+present+the+potential+of+Sentinel-1+in+mapping+seawater%0D%0Aintrusion+and+its+effect+on+the+productivity+of+paddy+fields+in+Sri+Minosari+and%0D%0AMargasari+villages%2C+Labuhan+Maringgai.+Mapping+of+seawater+intrusion+was+carried%0D%0Aout+using+the+regression+method+to+obtain+an+estimated+model+of+salinity+value+from%0D%0Afield+data+and+Sentinel-1+backscatter.+Estimation+of+salinity+values+that+have+been%0D%0Atested+for+accuracy+by+the+RMSE+method+is+used+in+intrusion+complexity+by+the%0D%0Areclassification+method.+Then+the+estimated+salinity+value+data+is+connected+with%0D%0Arice+harvest+data+using+the+chi+square+test+to+determine+the+relationship+with+rice%0D%0Aproductivity.+The+results+of+estimating+the+salinity+value+using+the+regression%0D%0Aequation+obtained+an+accuracy+value+of+RMSE+%C2%B1+0%2C1+on+the+VV%2C+VH+polarization%0D%0Aand+%C2%B1+0%2C2+on+VV%2BVH+and+(VV%2BVH)%2F2+polarizations+indicating+that+Sentinel-1+data%0D%0Ais+quite+good+in+maintaining+seawater+intrusion%2C+especially+on+the+VH+polarization.%0D%0AFrom+the+results+of+seawater+intrusion+in+Sri+Minosari+and+Margasari+Villages%2C+there%0D%0Awere+four+levels+of+intrusion+identified+in+the+two+villages.+The+presence+of+sea+air%0D%0Aintrusion+affects+rice+productivity+in+the+villages+of+Sri+Minosari+and+Margasari+as%0D%0Aevidenced+by+the+chi+square+test.%0D%0AKeywords%3A+Paddy+productivity%2C+Intrusion%2C+Sentinel-1%2C+Labuhan+Maringgai&rft.publisher=FAKULTAS+TEKNIK&rft.date=2023-04-18&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F71476%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F71476%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F71476%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++Choirunnisa+%2C+Salsabila++(2023)+PENGGUNAAN+DATA+CITRA+SATELIT+SENTINEL-1+UNTUK+PENGAMATAN+INTRUSI+AIR+LAUT+BESERTA+RELASINYA+TERHADAP+PRODUKTIVITAS+PADI+DI+KECAMATAN+LABUHAN+MARINGGAI.++FAKULTAS+TEKNIK%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F71476%2F