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All Journal Bumi Lestari POSITRON Jurnal Fisika FLUX KLIK (Kumpulan jurnaL Ilmu Komputer) (e-Journal) EnviroScienteae Jurnal Sains dan Informatika Jurnal Pengabdian Ilung (Inovasi Lahan Basah Unggul) JURNAL HUTAN TROPIS Jurnal Natural Scientiae
Ichsan Ridwan
Program Studi Fisika, FMIPA, Universitas Lambung Mangkurat
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Journal : jurnal natural scientiae

 1 
Analisis Sebaran dan Kerapatan Hutan Mangrove Menggunakan Landsat 8 di Kabupaten Tanah Bumbu Kalimantan Selatan Mikhail Rohim; Ichsan Ridwan; Fahruddin Fahruddin
Jurnal Natural Scientiae Vol 1, No 1 (2021): November 2021
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jns.v1i1.4425

Abstract

Mangroves are plants that live on beaches and river mouths, where these areas experience ups and downs of sea water. Around 3 million hectares of mangrove forest grow along 95,000 kilometers of Indonesia's coast, which is 23% of the world's total mangrove ecosystem. Indonesia's mangrove ecosystems are located in Papua, Kalimantan and Sumatra. This study aims to measure the distribution and density of mangrove forests in Tanah Bumbu Regency, South Kalimantan using Landsat 8 imagery with the support vector machine (SVM) classification method. Meanwhile, the density value was determined using the Normalized Difference Vegetation Index (NDVI) method. The results show that the mangrove distribution area is 2448.84 ha, of which the widest mangrove distribution is in the Simpang Empat area with an area of 1702.62 ha. Based on these results, it shows that the mangrove forest area in Tanah Bumbu Regency still has a fairly dense mangrove area.
Identifikasi Penggunaan Lahan Menggunakan Metode Klasifikasi Maksimum Likelihood Pada Citra Satelit Landsat 8 OLI/TIRS Di Kabupaten Lamandau Provinsi Kalimantan Selatan Tengah Nadia Anugrahi Lestari; Ichsan Ridwan; Fahruddin Fahruddin
Jurnal Natural Scientiae Vol 1, No 1 (2021): November 2021
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jns.v1i1.4426

Abstract

Land use is a form of the influence of human activities on part of the physical surface of the earth. Land use will increase if the population increases. Activities carried out by humans can be in the form of building settlements, plantations and agriculture and cannot be separated from spatial problems because they are related to land use. Research aims to identify the land use and create distribution maps of land use in the district of Central Kalimantan province Lamandau using Landsat Satellite Imagery 8 OLI/TIRS. The land use classification uses the maximum likelihood classification method. The result of this research is a map of land use distribution in Lamandau Regency which has an area of approximately 486,738 ha. The results of this study obtained 7 classes of land use in Lamandau Regency, namely forests with an area of 182,383 ha, shrubs 118,263 ha, oil palm plantations 74,666 ha, mixed gardens 51,117 ha, settlements 28,742 ha, agriculture 28,087 ha and rivers 3,480 ha.
ANALISIS ALIRAN PERMUKAAN DAN DEBIT PUNCAK DI CATCHMENT AREA SUNGAI HAURAN MENGGUNAKAN MODEL AGNPS (AGRICULTURAL NON POINT SOURCE POLLUTION MODEL) Titin Fahriana; Nurlina Nurlina; Ichsan Ridwan
Jurnal Natural Scientiae Vol 3, No 1 (2023)
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jns.v3i1.8749

Abstract

Aliran permukaan merupakan air yang mengalir di permukaan tanah dan merupakan curah hujan yang mengalir ke sungai atau saluran danau dan laut. Di daerah beriklim basah bentuk aliran yang mengalir dikenal sebagai aliran permukaan. Debit adalah laju aliran air (dalam bentuk volume air) yang melewati suatu penampang melintang sungai persatuan waktu. Penelitian ini dilakukan di Catchment Area Sungai Hauran karena dapat dikatakan sebagai daerah tangkapan air bagian hulu dari Sub Sub DAS Apukan, Sub DAS Banyu Hirang, DAS Maluka. Analisis Aliran permukaan dan debit puncak dapat menggunakan Agricultural Non Point Source Pollution Model (AGNPS). Pengolahan data menggunakan model AGNPS diperoleh nilai tertinggi aliran permukaan pada sebesar 7,366 mm. Nilai aliran permukaan yang tinggi terdapat pada daerah tangkapan hulu, hal ini di pengaruhi oleh tekstur tanah dan tutupan lahan pada area tersebut. Besar nilai debit puncak pada outlet keluaran model AGNPS sebesar 3,063 m3/s , sedangkan nilai debit puncak tertinggi yaitu sebesar 3,390 m3/s 
Co-Authors Abdur Rahman Agda Primaraniyanti Ahmad Eko Saputra Andi Farmadi Andi Farmadi Auliana Auliana Badaruddin Badaruddin Daratun Nurahmah Dini Sofarini Dodon Turianto Nugrahadi Dwi Kartini Fahruddin Fahruddin Fahruddin Fahruddin Gafuri, Ria Hanif Faisol Ibrahim Sota Ida Parida Santi Indah Ayu Septriyaningrum Indah Febrianti Indah Febrianti Kartini Sri Astuti Kissinger Kissinger Kurniawati, Neny Mikhail Rohim Muhammad Eksya Pratama Arieffullah Muhammad Syahdan Muliadi Aziz Munasipah Munasipah Nadia Anugrahi Lestari Nisfi Sasmita Nur Hidayah Nur Syifa Yarnie Nurahmah, Daratun Nurlina Nurlina Nurlina Nurlina Prayogo, Shonu Dwi RACHMAT HIDAYAT Reffina Wahdianty Reida, Rina Ria Gafuri Rifa’i, Muhammad Ahsin Rina Reida Rizkon, Muhammad Rohyanti, Sri Sabur, Baharuddin Santi, Ida Parida Sasmita, Nisfi Simon Sadok Siregar, Simon Sadok Sri Rohyanti Srihardjanti, Rurien Suarso, Eka Sudarningsih Sudarningsih Sudarningsih Sudarningsih Sudarningsih Sudarningsih SYARIFUDDIN KADIR Syarifuddin Kadir Titin Fahriana Wahdianty, Reffina Wahyuni Ilham Yesi Eka Pratiwi zainal abidin