PANGESTU, ADITYA (2022) TINGKAT BAHAYA EROSI DI KELURAHAN GUWOSARI KAPANEWON PAJANGAN KABUPATEN BANTUL D.I. YOGYAKARTA. Other thesis, UPN 'Veteran" Yogyakarta.
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Abstract
iv
TINGKAT BAHAYA EROSI DI KELURAHAN GUWOSARI
KAPANEWON PAJANGAN KABUPATEN BANTUL
D.I. YOGYAKARTA
Oleh: Aditya Pangestu
Dibimbing oleh: M. Kundarto dan Dyah Arbiwati
ABSTRAK
Kelurahan Guwoari memiliki luas 791,47 Ha berada di sebelah barat laut wilayah
Kabupaten Bantul dan memiliki wilayah perbukitan separuh lebih dari luas
wilayahnya. Tujuan dari penelitian ini yaitu mengetahui Tingkat Bahaya Erosi
(TBE) beserta luasan dan persebarannya yang terjadi di Kelurahan Guwosari.
Penelitian ini dilakukan pada bulan Mei 2022 – Oktober 2022 dengan menggunakan
metode survei untuk mengetahui kondisi umum wilayah dan pengambilan sampel
tanah. Penentuan titik sampel tanah menggunakan metode purposive sampling yaitu
pada masing-masing sistem lahan diambil 1(satu) sampel tanah. Sistem lahan
didapatkan dari overlay Peta Jenis Tanah, Peta Kemiringan Lereng, dan Peta Tata
Guna Lahan dengan menggunakan bantuan aplikasi ArcGIS 10.8. Data Primer
meliputi tekstur tanah, struktur tanah, bahan organik, permeabilitas, kemiringan dan
panjang lereng, vegetasi dan pengolahan lahan. Data sekunder berupa curah hujan
bulanan tahun 2010-2019 di Kabupaten Bantul. Rumus USLE digunakan untuk
mengetahui nilai laju erosi yang terjadi sedangkan penentuan TBE dengan cara
membandingkan nilai laju erosi dengan ketebalan solum. Hasil penelitian
menunjukkan bahwa TBE di Kelurahan Guwosari terbagi menjadi 4 (empat) kelas
yaitu sangat ringan seluas 12,29 Ha (1,55%), sedang seluas 169,16 Ha (21,37%),
berat seluas 80,86 Ha (10,21%) dan sangat berat seluas 389,63 Ha (49,22%).
Kata kunci: Tanah, Erosi, Tingkat Bahaya Erosi, Kelurahan Guwosari.
v
EROSION HAZARD IN GUWOSARI VILLAGE PAJANGAN SUB�DISTRICT BANTUL REGENCY SPECIAL REGION OF YOGYAKARTA
By: Aditya Pangestu
Supervisors: M. Kundarto dan Dyah Arbiwati
ABSTRACT
Guwoari Village has an area of 791,47 Ha located in the northwest of Bantul
Regency it has different slopes and land use. The purpose of this study was to
analyze the Erosion Hazard Level along with its area and distribution that occurred
in Guwosari Village. This research was conducted in May 2022 – October 2022
using a survey method to determine the general condition of the area and take soil
samples. Determination of soil sample points using purposive sampling method,
namely in each land system 1 (one) soil sample is taken. The land system is obtained
from the overlay of the Soil Type Map, Slope Map, and Land Use Map using the
ArcGIS 10.8 application. Primary data includes soil texture, soil structure, organic
matter, permeability, slope, slope length, vegetation and land use. Secondary data
is in the form of monthly rainfall during 2010-2019 in Bantul Regency. The USLE
formula is used to determine the value of the erosion rate that occurs while
determining the TBE by comparing the value of the erosion rate with the thickness
of the solum. The results showed that TBE in Guwosari Village was divided into 4
(four) classes, namely very light covering 12.29 Ha (1.55%), medium covering
169.16 Ha (21.37%), heavy covering 80.86 Ha ( 10.21%) and very heavy area of
389.63 Ha (49.22%).
Keyword: Soil, Erosion, Erosion Hazard Level, Guwosari Village.
| Item Type: | Thesis (Other) |
|---|---|
| Uncontrolled Keywords: | Soil, Erosion, Erosion Hazard Level, Guwosari Village. |
| Subjects: | S Agriculture > SB Plant culture |
| Divisions: | Faculty of Law, Arts and Social Sciences > School of Management |
| Depositing User: | Eko Yuli |
| Date Deposited: | 22 Dec 2022 02:07 |
| Last Modified: | 22 Dec 2022 02:07 |
| URI: | http://eprints.upnyk.ac.id/id/eprint/32004 |
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