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Identifikasi Perubahan Luasan Lahan di Wilayah Sub-DAS Cikeruh Menggunakan Citra Landsat 8 dengan Google Earth Engine (GEE): Identification of Changes in Land Area in the Cikeruh Sub-DAS Area Using Landsat 8 Imagery with Google Earth Engine (GEE) Aditya Rahman Lapian; Edy Suryadi; Kharistya Amaru
Media Ilmiah Teknik Lingkungan (MITL) Vol. 8 No. 2 (2023): Media Ilmiah Teknik Lingkungan (MITL)
Publisher : ​Institute for Researches and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/mitl.v8i2.5486

Abstract

Land cover information is the data neede in the management of watersheds. Identification to obtain land cover using a cloud-based spatial data processing platform Google Earth Engine (GEE). This study aims to identify changes in land area in the Cikeruh sub-watershed area by classifying them using a machine learning basis on GEE. Utilization of landsat imagery is applied in the operation of the Google Earth Engine (GEE) platform using landsat 8 imagery. The analysis method used is the interpretation of Support Vector Machine (SVM) imagery with the identified years since 2015 until 2020. This research still has deficiencies, especially in the validation of land cover classes and area mapped and analyzed.
PEMETAAN SEBARAN LOKASI EROSI DAN KONSERVASI TANAH DAN AIR DI DAERAH TANGKAPAN AIR EMBUNG LEUWI PADJADJARAN II Putri Rebekka; Kharistya Amaru; Edy Suryadi
Jurnal Teknologi Pertanian Andalas Vol 27, No 2 (2023)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jtpa.27.2.210-220.2023

Abstract

Embung Leuwi Padjadjaran II merupakan bangunan penampung air yang berlokasi di Desa Cileles, Jatinangor. Pembangunan embung ini bertujuan untuk menghindari terjadinya banjir saat musim hujan tiba. Namun, keadaan embung mempunyai kenampakan fisik yang buruk. Bagian atas badan air embung dipenuhi dengan tumpukkan tanah. Hal tersebut mengindikasikan adanya erosi yang terjadi di daerah tangkapan air embung. Tujuan dari penelitian ini adalah untuk memetakan sebaran lokasi erosi dan konservasi tanah dan air di Daerah Tangkapan Air Embung Leuwi Padjadjaran II. Erosi yang terjadi pada setiap satuan unit lahan mempunyai tingkat bahaya erosi yang berbeda-beda yang dihitung menggunakan persamaan USLE berdasarkan faktor-faktor erosi. Faktor-faktor erosi tersebut antara lain: faktor erosivitas hujan (R), faktor erodibilitas tanah (K), faktor panjang kemiringan lahan (LS), faktor  pengelolaan tanaman (C) dan faktor pengelolaan konservasi (P). Tingkat bahaya erosi paling dominan di daerah tangkapan air embung adalah tingkat bahaya erosi sangat tinggi (>480 ton/ha/th). Sedangkan, tingkat bahaya terendah dimiliki oleh tingkat bahaya erosi rendah (15-60 ton/ha/th). Konservasi tanah dan air menjadi solusi yang direkomendasikan dalam menanggulangi masalah erosi yang terjadi daerah tangkapan air embung. Penerapan koservasi tanah dan air ditentukan berdasarkan Pedoman Pemilihan Teknologi Konservasi Tanah secara Mekanis dan Vegetatif berdasarkan Tingkat Kemiringan Lahan, Erodibilitas Tanah dan Kedalaman Solum (P3HTA).
Effect of Hydro-mulch and Geo-jute Application on the Soil Loss during Cultivation of Corn (Zea Mays L.) in Dry Land Dwi Rustam Kendarto; Raka Putra Pratama; Kharistya Amaru
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 13, No 2 (2024): June 2024
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v13i2.555-565

Abstract

Utilization up-land area for cultivating strategic food crops (paddy, corn and soybean) often neglects the rules of conservation so that it caused surface soil loss by run off. These events can reduce the fertility of agricultural land, so that it results in a decrease in land productivity and finally cause critical lands. Alternative conservation techniques that can be carried out through the application of hydro-mulch and geo-jute combination in order to reduce surface soil loss. The purpose of this study is to examine the use of hydro-mulch and geo-jute in reducing soil loss and observing maize growth as one of the effects of soil loss due to erosion. The treatments given are hydro-mulch, geo-jute and combination of hydro-mulch and geo-jute. The study showed that alternative conservation techniques in the form of hydro-mulch and geo-jute application proved to be able to reduce the amount of soil loss. The combination of hydro-mulch and geo-jute has the ability to reduce the amount of soil loss due to rainfall by 31.51%. Plot with geo-jute treatment can reduce soil loss by 21.86%, and plot with hydro-mulch treatment can reduce soil loss by 11.92%. The hydro-mulch and geo-jute combination can increase the growth of corn. Keywords:  Alternative, Erosion, Geo-jute, Hydro-mulch