Inriyani, Chelsi (2024) Evaluasi Kinerja DAS Sebagai Penentuan Nilai Daya Dukung DAS di Sub-DAS Opak Bagian Hulu, Yogyakarta. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
The upstream of the Opak sub-watershed plays an important role in the sustainability and protection of water system functions. The problem with the upstream Opak sub-watershed is land conversion and the large amount of mining of cold lava material resulting from the eruption of Mount Merapi which causes disruption of groundwater formation and high surface flow (runoff), so it is necessary to determine the value of the watershed carrying capacity to determine the success of watershed management. Determining the carrying capacity of a watershed is based on Minister of Forestry Regulation Number P.61/Menhut-II/2014 concerning Monitoring and Evaluation of Watershed Management which includes aspects of land, water management, socio-economics, building investment value, and regional space utilization. The research results obtained for each indicator in each aspect are as follows: (1) the land aspect of the PLK indicator has a value of 17.41%, PPV 69.17%, and erosion index 0.76; (2) the water management aspect of the KRA indicator has a value of 37.77, KAT has a value of 0.24, sediment load has a value of 6.8, IPA has a value of 636.9892, and the frequency of floods occurs >1 time a year; (3) the socio-economic aspect of the TP indicator has a value of 5.25, TKP has a value of 7.54, and the existence of laws that are practiced is limited; (4) the building investment aspect is a city classification indicator with no urban status and an IBA value of Rp. 5,342,408,565; and (5) the spatial aspect of the protected area indicator is 81.58%, and the cultivation area is 71.35%. From the value of each aspect, the carrying capacity value of the upstream Opak sub-watershed is obtained as 75.76, which is included in the classification of good watershed carrying capacity values with a value range of 70 - 90.
| Item Type: | Thesis (Undergraduate) | ||||||||||||
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| Subjects: | S Agriculture > S Agriculture (General) > S590-599.9 Soils. Soil science S Agriculture > SD Forestry |
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| Divisions: | Faculty of Agriculture > Departement of Agritechnology | ||||||||||||
| Depositing User: | Chelsi Inriyani Salmon | ||||||||||||
| Date Deposited: | 23 Jan 2024 06:09 | ||||||||||||
| Last Modified: | 23 Jan 2024 06:10 | ||||||||||||
| URI: | http://repository.upnjatim.ac.id/id/eprint/20585 |
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