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All Journal ULIN: Jurnal Hutan Tropis STEAM Engineering : Journal of Science, Technology, Education And Mechanical Engineering BALANGA: Jurnal Pendidikan Teknologi dan Kejuruan Jurnal Teknologi Berkelanjutan
Petrisly Perkasa
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Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation Other

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 1 
USE OF DRONE FOR EARLY DETECTION MEANS LAND AND FOREST FIRE Petrisly Perkasa; Yusuf Aguswan
BALANGA: Jurnal Pendidikan Teknologi dan Kejuruan Vol. 6 No. 2 (2018): Journal Balanga Edisi Juli-Desember 2018
Publisher : Jurusan Pendidikan Teknologi dan Kejuruan, FKIP, Universitas Palangkaraya

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Abstract

In the last few years Palangka Raya City was hit by many points of forest and land fires (Karhutla) that have sprung up intentionally or not sporadically which resulted in smoke and an unpleasant atmosphere which would trigger material losses and of course the health of the surrounding community that inhaled the smoke left over from forest fires and the land. This condition also results in health, economic, social and environmental losses which will certainly hamper the pace of development and the ongoing development of the City of Palangka Raya. The main objective of this research is the use of drones to detect and community preparedness for forest and land fire disasters in areas that have potential for forest and land fires.
MODELING TABAT EFFECT INUNDATION IN THE PEAT SWAMP FOREST CENTRAL KALIMANTAN Petrisly Perkasa
BALANGA: Jurnal Pendidikan Teknologi dan Kejuruan Vol. 4 No. 1 (2016): Journal Balanga Edisi Januari-Juni 2016
Publisher : Jurusan Pendidikan Teknologi dan Kejuruan, FKIP, Universitas Palangkaraya

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Abstract

Peat swamp forests serve as an abundant water catchment area in rainy season and then releases it gradually in dry season. The main function of peat swamp forests are as the hydrology regulator in an ecosystem, and the function will be disrupted when the peat swamp forests have excessive drainage condition. Recently, the peat swamp forests of Central Kalimantan are badly damaged by prolonged exploration without any responsibility to preserve it. One of the damage causes of the peat swamp forests in Central Kalimantan are many canals made when illegal loggers get their harvested wood out to the estuary of nearest watershed. Therefore, it forms canals that drain water with no control. The effect is peat swamp forests will be very dry and trigger devastating fire that cannot be extinguished in a short time. One of the efforts to deal with the problem is by recovering the hydrology condition of peat swamp forests ecosystem through duct insulation using simple dam locally called “tabat”. The making of tabat is easily designed in order that the implementation is not very hard, and the material selection such as forest wood dominate the construction because the wood will be cracked gradually without disturbing the ecosystem process and restoration principle in peat swamp forests. The modeling result by a computer software of hydraulics shows the increase of water level in canals at 15 to 30 cm and the width of inundation in tabat when the designed flood of two-year return period was modeled to 280.67 km2 and for the period of five years was 306.04 km2 from the target of hydrology restoration of 250 km2.
MODELING TABAT EFFECT INUNDATION IN THE PEAT SWAMP FOREST CENTRAL KALIMANTAN Petrisly Perkasa
Jurnal Teknologi Berkelanjutan Vol 2 No 01 (2013): Vol 02 No. 01
Publisher : Lambung Mangkurat University Press

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Abstract

Peat swamp forests serve as an abundant water catchment area in rainy season and then releases it gradually in dry season. The main function of peat swamp forests are as the hydrology regulator in an ecosystem, and the function will be disrupted when the peat swamp forests have excessive drainage condition. Recently, the peat swamp forests of Central Kalimantan are badly damaged by prolonged exploration without any responsibility to preserve it. One of the damage causes of the peat swamp forests in Central Kalimantan are many canals made when illegal loggers get their harvested wood out to the estuary of nearest watershed. Therefore, it forms canals that drain water with no control. The effect is peat swamp forests will be very dry and trigger devastating fire that cannot be extinguished in a short time. One of the efforts to deal with the problem is by recovering the hydrology condition of peat swamp forests ecosystem through duct insulation using simple dam locally called “tabat”. The making of tabat is easily designed in order that the implementation is not very hard, and the material selection such as forest wood dominate the construction because the wood will be cracked gradually without disturbing the ecosystem process and restoration principle in peat swamp forests. This study was one of the efforts to rescue peat swamp forests by hydrology restoration using a modeling concept with a computer software of hydraulics. The modeling concept used steady flow water surface profile to find out the capacity of cross section to designed flood. After the simulation, tabat modeling was then made to the height of canal. The modeling process resulted in the width of inundation in tabat. The height of water level and the number of tabat were required to optimally inundate the research area. The modeling result by a computer software of hydraulics shows the increase of water level in canals at 15 to 30 cm and the width of inundation in tabat when the designed flood of two-year return period was modeled to 280.67 km2 and for the period of five years was 306.04 km2 from the target of hydrology restoration of 250 km2. The modeling of inundation width in tabat of peat swamp forests will be suggestion for the government of Central Kalimantan Province and the stakeholders in building a big scale tabat.
ANALISA ALAT PERMAINAN EDUKATIF ANAK Wiyogo Wiyogo; Petrisly Perkasa; Rifo Fachrezzy
Steam Engineering Vol. 1 No. 2 (2020): STEAM Engineering, Vol. 1, No. 2, Maret 2020
Publisher : Program Studi Pendidikan Teknik Mesin, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (51.689 KB) | DOI: 10.37304/jptm.v1i2.717

Abstract

Abstrak: Alat permainan edukatif memiliki manfaat penting dalam perkembangan kognitif anak, keterampilan motorik, dan kebugaran anak. Desain dan pembuatan yang dilakukan di Laboratorium Pendidikan Teknik Mesin Universitas Palangka Raya perlu dianalisis untuk mengetahui sejauh mana alat ini berguna. Hal pertama yang harus dilakukan adalah mempelajari literatur dan kemudian mengidentifikasi variabel penelitian yang bertujuan mendapatkan gambaran tentang apa yang dibutuhkan pengguna. Dari hasil kuesioner awal, tiga variabel diperoleh, yaitu desain, permainan mudah, dan keamanan. Data penelitian lebih lanjut yang telah diperoleh dengan nilai indeks dari produk yang diperoleh adalah 94,83%. Abstract: Educational game tools have important benefits in a child's cognitive development, motor skills, and children's fitness. The design and manufacturing done at the Mechanical Engineering Education Laboratory of Palangka Raya University needs to be analyzed to find out how far the tool is useful. The first thing to do is to study the literature and then identify research variables aimed at getting a picture of what the user needs. From the results of the initial questionnaire, three variables were obtained, namely design, easy game and safety. Further research data that have been obtained with an index value of the products obtained are 94.83%.
Analisis stok karbon tegakan seumur Shorea balangeran menggunakan kombinasi interpretasi foto udara Eldy Indra Purnawan; Petrisly Perkasa; Nanang Hanafi; Yusuf Aguswan; Renhart Jemi
ULIN: Jurnal Hutan Tropis Vol 7, No 2 (2023)
Publisher : Fakultas Kehutanan Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32522/ujht.v7i2.11278

Abstract

Studi ini dilakukan dengan penggabungan dua metode analisis yaitu teknik pengukuran di lapangan nondestructive dan Interpretasi foto udara menggunakan UAV, yang berfokus untuk mengetahui Jumlah Pohon, Biomassa dan Stok C pada tegakan S. balangeran di kawasan Hutan Kota Pulang Pisau. Hasil studi menunjukan Jumlah Pohon tegakan S. balangeran sebanyak 3.278 pohon dengan luas area penanaman 5,62 Ha, serta Biomassa dan Stok C secara berurut sebesar 1.444,30 ton dan 678,82 ton. Jika diakumulasi kedalam hektar maka tegakan S. balangeran memiliki potensi Biomassa 256,99 ton/ha dan Stok C 120,78 ton/ha. Hasil tersebut menunjukan bahwa kombinasi dua metode analisis dalam studi mampu mempermudah proses estimasi Biomassa dan Stok C tegakan.
Co-Authors Eldy Indra Purnawan Nanang Hanafi Renhart Jemi Rifo Fachrezzy Wiyogo Wiyogo Yusuf Aguswan