?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGAPLIKASIAN+GEOGRAPHIC+INFORMATION+SYSTEM+(GIS)%0D%0ADALAM+MENGANALISIS+KARAKTERISTIK+HIDROLOGI+DAS%0D%0ABETUNG+MENGGUNAKAN+PEMODELAN+SWAT%0D%0A%0D%0A(Soil+and+Water+Assessment+Tool)&rft.creator=Fazryan+%2C+Ade+Priambudy%09&rft.subject=630+Pertanian+dan+teknologi+yang+berkaitan&rft.description=Daerah+Aliran+Sungai+(DAS)+adalah+suatu+wilayah+daratan+yang+merupakan+satu%0D%0Akesatuan+dengan+sungai+dan+anak-anak+sungainya.+Peningkatan+populasi+penduduk%0D%0Amenyebabkan+perubahan+tutupan+lahan+yang+mengakibatkan+penurunan+fungsi%0D%0Ahidrologi+DAS+Betung.+Oleh+karena+itu%2C+perlu+dilakukan+upaya+konservasi+tanah%0D%0Adan+air.+Salah+satu+upaya+yang+dapat+dilakukan+adalah+analisis+karakteristik%0D%0Ahidrologi+menggunakan+pemodelan+SWAT.+Penelitian+ini+bertujuan+untuk%0D%0Amengetahui+dan+menganalisis+karakteristik+hidrologi+DAS+Betung+yang+meliputi%0D%0Aaliran+permukaan%2C+aliran+bawah+permukaan%2C+aliran+dasar%2C+KRA+dan+KAT.+Hasil%0D%0Apenelitian+menunjukkan+bahwa+pada+DAS+Betung+memiliki+curah+hujan+sebesar%0D%0A2055+mm%2Ftahun+dengan+aliran+permukaan+yang+dihasilkan+164%2C41+mm%2C+aliran+bawah%0D%0Apermukaan+534%2C42+mm%2C+dan+aliran+dasar+240%2C04+mm.+Koefisien+Rezim+Aliran%0D%0A(KRA)+bernilai+178%2C05%2C+dengan+kategori+sangat+tinggi%2C+sedangkan+Koefisien+Aliran%0D%0ATahunan+(KAT)+bernilai+0%2C34%2C+dengan+kategori+sedang.+Skenario+rekayasa+tutupan%0D%0Alahan+dengan+mengubah+tutupan+lahan+hutan+menjadi+54%2C55%25+menunjukkan%0D%0Apengaruh+terhadap+karakteristik+hidrologi+DAS+Betung.+Aliran+permukaan+menurun%0D%0A13%2C87%25+menjadi+144%2C39+mm%2C+aliran+bawah+permukaan+meningkat+5%2C71%25+menjadi%0D%0A566%2C76+mm%2C+dan+aliran+dasar+meningkat+12%2C77%25+menjadi+275+mm.+Selain+itu%2C+KRA%0D%0Amembaik+menjadi+78%2C20+dan+KAT+meningkat+menjadi+0%2C35.+Penerapan+model%0D%0ASWAT+dapat+memberikan+informasi+mendalam+dalam+menentukan+kebijakan%0D%0Apengelolaan+DAS+yang+lebih+baik.%0D%0AKata+kunci+%3A+DAS+Betung%2C+Karakteristik+Hidrologi+Sungai%2C+Aliran+Permukaan%2C%0D%0AAliran+Bawah+Permukaan%2C+Aliran+Dasar%2C+dan+SWAT+(Soil+and%0D%0AA+Watershed+(DAS)+is+a+land+area+that+functions+as+a+single+unit+with+its+river+and%0D%0Aits+tributaries.+One+of+the+watersheds+in+Lampung+Province+is+the+Betung+Watershed.%0D%0AIncreased+population+has+led+to+changes+in+land+cover%2C+which+in+turn+has+decreased%0D%0Athe+hydrological+functions+of+the+Betung+Watershed.+Therefore%2C+soil+and+water%0D%0Aconservation+efforts+are+needed.+One+approach+to+this+is+to+analyze+hydrological%0D%0Acharacteristics+using+SWAT+modeling.+This+study+aims+to+understand+and+analyze%0D%0Athe+hydrological+characteristics+of+the+Betung+Watershed%2C+including+surface+runoff%2C%0D%0Asubsurface+flow%2C+base+flow%2C+Flow+Regime+Coefficient+(KRA)%2C+and+Annual+Flow%0D%0ACoefficient+(KAT).+The+results+of+the+study+showed+that+the+Betung+Watershed+had%0D%0Arainfall+of+2055+mm%2Fyear+with+surface+runoff+is+164.41+mm%2C+subsurface+runoff+is%0D%0A534.42+mm%2C+and+base+flow+is+240.04+mm.+The+Flow+Regime+Coefficient+(KRA)+is%0D%0A178.05%2C+categorized+as+very+high%2C+while+the+Annual+Flow+Coefficient+(KAT)+is+0.34%2C%0D%0Acategorized+as+moderate.+Land+cover+engineering+scenarios%2C+such+as+changing+forest%0D%0Acover+to+54.55%25%2C+affect+the+hydrological+characteristics+of+the+Betung+Watershed.%0D%0ASurface+runoff+decreases+by+13.87%25+to+144.39+mm%2C+subsurface+flow+increases+by%0D%0A5.71%25+to+566.76+mm%2C+and+base+flow+increases+by+12.77%25+to+275+mm.+Additionally%2C%0D%0AKRA+improves+to+78.20%2C+and+KAT+increases+to+0.35.+The+application+of+the+SWAT%0D%0Amodel+can+provide+in-depth+information+for+better+watershed+management+policies.%0D%0AKeywords+%3A+Betung+Watershed%2C+Watershed+Hydrological+Characteristics%2C%0D%0ASurface+Runoff%2C+Subsurface+Runoff%2C+Base+Flow%2C+and+SWAT+(Soil%0D%0Aand+Water+Assessment+Tool)&rft.publisher=FAKULTAS+PERTANIAN&rft.date=2024-09-06&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F82089%2F1%2FABSTRAK%2520-%2520Fazryan%2520Ade%2520Priambudy.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F82089%2F2%2FDraft%252013_Skripsi%2520FIX%2520%2528Full%2520tanpa%2520lampiran%2529%2520-%2520Fazryan%2520Ade%2520Priambudy.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F82089%2F3%2FDraft%252013_Skripsi%2520FIX%2520%2528Tanpa%2520Pembahasan%2529%2520-%2520Fazryan%2520Ade%2520Priambudy.pdf&rft.identifier=++Fazryan+%2C+Ade+Priambudy+++(2024)+PENGAPLIKASIAN+GEOGRAPHIC+INFORMATION+SYSTEM+(GIS)+DALAM+MENGANALISIS+KARAKTERISTIK+HIDROLOGI+DAS+BETUNG+MENGGUNAKAN+PEMODELAN+SWAT+(Soil+and+Water+Assessment+Tool).++FAKULTAS+PERTANIAN%2C+UNIVERSITAS+LAMPUNG+.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F82089%2F