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Journal : SAINSMAT

Perubahan Penggunaan Lahan Kota Makassar Tahun 1990-2010 Maru, Rosmini; Nasaruddin, .; Ikhsan, Muhammad; Laka, Beatus M.
Sainsmat : Jurnal Ilmiah Ilmu Pengetahuan Alam Vol 4, No 2 (2015): September
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (747.277 KB) | DOI: 10.35580/sainsmat4218622015

Abstract

Pertumbuhan penduduk yang sangat pesat berimplikasi terhadap peningkatan berbagai kebutuhan seperti perumahan, industri, kesehatan, pendidikan, dan lain-lain. Selanjutnya, peningkatan berbagai kebutuhan hidup tersebut menyebabkan  terjadinya perubahan penggunaan lahan/ruang perkotaan, seperti rahan terbuka (RT) dan ruang terbuka hijau (RTH) menjadi lahan perumahan, lahan industri, perkantoran, sekolah dan lain-lain. Analisis perubahan penggunaan lahan di Kota Makassar dilakukan dengan menggunakan sistim informasi geografi (SIG). Data yang digunakan adalah Citra Landsat tahun 1990, 2000, dan 2010. Hasil kajian menunjukkan bahwa perubahan penggunaan lahan di Kota Makassar dalam kurun waktu 30 tahun menunjukkan hasil signifikan, dengan perubahan penggunaan lahan terbesar terjadi pada lahan tegalan/ladang menjadi kawasan terbangun dengan keluasan adalah 10.000 Ha atau 23.91%. Keadaan ini berlangsung terus hingga masa kini. Oleh karena itu, ia memberi dampak yang besar terhadap lingkungan sekitar seperti terjadinya peningkatan suhu kota, yang menyebabkan semakin berkurangnya tingkat kenyamanan penduduk Kota Makassar. Oleh karena itu, perlu dilaksanakan pembangunan yang berkelanjutan, sehingga lingkungan tetap lestari.Kata kunci: Penggunaan Penggunaan Lahan, Kota Makassar, Sistem Informasi Geografi (SIG).
Sebaran Jaringan Penakar Hujan di DAS Jeneberang Menggunakan Metode Polygon Thiessen Haris Haris; Nasrul Nasrul; Muhammad Arib Musba Amalul; Sulaiman Ziddiq; Misdar Amda; Medar M. Nur; Rosmini Maru
Sainsmat : Jurnal Ilmiah Ilmu Pengetahuan Alam Vol 12, No 2 (2023): September
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/sainsmat122523242023

Abstract

Sungai Jeneberang mempunyai Daerah Aliran Sungai (DAS) seluas 860 km2. Sedangkan luas wilayah sungai mencapai 9.331 km2 dengan potensi air permukaan 13.229 Juta/tahun dan potensi air tanah 1.504 Juta/tahun. Jaringan penakar hujan di pengaruhi oleh beberapa faktor salah satunya adalah faktor curah hujan sehingga diperlukan pendataan stasiun jaringan penakar. Berdasarkan hal tersebut, maka perlu adanya pemetaan jaringan penakar hujan dan nilai optimun stasiun hujan. Penelitian ini menggunakan metode Polygon Thiessen dengan berdasarkan prinsip statistic yang kemudian disajikan melalui peta dari olahan data menggunakan Arcgis 10.8. Dari hasil perhitungan data rerata curah hujan DAS Jeneberang dengan metode polygon thissen, curah hujan rata rata daerah pada tahun 2011- 2020 adalah 2.958,83 mm dan didapat stasiun hujan di daerah DAS Jeneberang dengan luas 133.2183 km2 seharusnya terdapat 6,1 stasiun dan dilapangan terdapat 6 stasiun.Abstrak: Jaringan penakar hujan, Das Jeneberang, Polygon Thiessen.
The Ability Of Green Open Space In Reducing Green House Gas (GHG) Emissions On Jalan Hertasning, Makassar City Arfandi, Arfandi; Yusuf, Muhammad; Nasrul, Nasrul; Amda, Misdar; Hasja, Aulia Diar; Maru, Rosmini
Sainsmat : Jurnal Ilmiah Ilmu Pengetahuan Alam Vol 13, No 2 (2024): September
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/sainsmat132620842024

Abstract

Green Open Spaces (RTH) are urban areas filled with vegetation that support ecological benefits, such as reducing greenhouse gases by absorbing CO₂ through photosynthesis. Although RTH accounts for 66 percent of the area along Jalan Hertasning, its effectiveness in absorbing CO₂ emissions from motor vehicles is not fully understood. Given the high volume of vehicles, especially during peak traffic hours, a deeper understanding of the RTH's capability to reduce CO₂ emissions is necessary. This study aims to measure CO₂ emissions from transportation, assess the RTH's ability to absorb CO₂, and develop effective RTH enhancement strategies. The research location is Jalan Hertasning in Makassar City. The method used in this study is descriptive with a quantitative approach. Results show that CO₂ emissions during peak hours cannot be fully absorbed by the existing 508 Trembles trees, which have a total absorption capacity of 1,652.07 kg/hour and cover an area of 4.4 hectares, or 75.9 percent of Jalan Hertasning. There remains 3,168.59 kg/hour of CO₂ emissions from the total 4,820.66 kg/hour during peak traffic. In addition to Trembles trees, there are other trees like Palm and Terminalia mantaly, which are still growing and not included in this study but could increase the RTH's absorption capacity in the future. The high CO₂ emissions from motor vehicles significantly impact air quality and public health. It is recommended that the government actively conduct environmental awareness campaigns focused on reducing CO₂ emissions and the importance of RTH. These campaigns can be carried out through social media, posters along Jalan Hertasning, and community outreach to reduce CO₂ levels by increasing public participation in maintaining RTH.
The Relationship of Rainfall Variability to Flood Events Using Google Earth Engine (GEE) In Makassar City Ali, Mutmainnah; Nasrul, Nasrul; Nyompa, Sukri; Arfandi, Arfandi; Maru, Rosmini
Sainsmat : Jurnal Ilmiah Ilmu Pengetahuan Alam Vol 14, No 1 (2025): Maret
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/sainsmat141709192025

Abstract

Indonesian people are most harmed by flood hydrometeorological disasters, which cause material and immaterial losses. Floods often occur in some areas of Makassar City due to high rainfall and the high density of people and buildings, especially in the rainy season. This study aims to find out: the rainfall variability in the city of Makassar for 7 years (2017-2023), a map of flood inundation areas in the city of Makassar for 7 years (2017-2023), and the relationship between rainfall variability to flood events using Google Earth Engine (GEE) in the city of Makassar.  This study is quantitative descriptive, using correlation and regression analysis between rainfall variables and flood inundation area.  A cloud-based processing approach. CHIRPS data was used for rainfall analysis in Makassar City (2017-2023), and Sentinel 1 to analyze the distribution of flood inundation. The results showed that 1) rainfall variability occurred in January, February, March, November, and March. With the highest coefficient of variance value with a value of 73% in November. 2) floods that often occur in the sub-districts of Manggala, Biringkanaya, Tamalate, Tamalanrea, and Rappocini. 3) There is a significant relationship between rainfall and events in Makassar City. Spatially there were 12 flood events, temporal flood events for 7 years (2017-2023) occurred in December, January, and February.    The parameters in this study are limited to rainfall and flood inundation, for that the next study is to add various relevant parameters based on Google Earth Engine.
Co-Authors . Nasaruddin A Nurul Istiana A.A. Ketut Agung Cahyawan W Abadi Jading Abadi Jading Abdul Malik Agustan, Andi Tenri Pada Agustang, Andi Ali Rahmat Muhammadiyah Nur Ali, Mutmainnah Alief Saputro Alimato Alimato Amal Amal Amal Amal Amal Arfan, Amal Amda, Misdar Amdah, Misdar Amin Nur Syafitri Amir Muhiddin, Amir Ananda, Wangi Suci Andi Tenri Pada Agustang Andi Zulkifli Nusri Anshari . Anugrah Isromi Ardin, Hardiani Arfandi Arfandi Arfandi Arfandi Arfandi Arfandi Arfandi, Arfandi Aryuni, Vrita Tri Asmini, Asmini Aulia Diar Hasja B, Sahrul Bakhrani A. Rauf BAKHRANI RAUF Bakhrani Rauf Beatus M. Laka Beatus M. Laka, Beatus M. Bertha Mangallo Bertha Mangallo Bunga, Imanuel Allo Dita Eka Nur Evita Evita Faiqah, Naura Faizin, Syuura Annisa Fatimah Basram GS, Supianti H, Hasriyanti Haris Haris Haris Haris Haris Haris Haris, Haris Hasja, Aulia Diar Hasja, Ulfah Diar Hasrin, Sri Wahyuni Hasriyanti Hasriyanti Hasriyantii, Hasriyati Hilda Karim Ibrahim Abbas Ibrahim Abbas Ibrahim Abbas, Ibrahim Ichsan Invanni Baharuddin Indriana, Ayu Irma Silviani Ismail Ismail Iswan Iswan Kausarani, Rini Kusuma, Ananda Trio M Nur, Medar Maddatuang Maddatuang . Maddatuang Maddatuang Makkulau, Batari Bau Mannan, Abdul Medar M Nur Medar M Nur Medar M. Nur Mega Mustikasari, Mega Misdar Amda Misdar Amda Misdar Amdah Mudinillah, Adam Mufiana, Ita Muh Jibran Nidhal Fikri Muhammad Ardi Muhammad Ardi Muhammad Arib Musba Amalul Muhammad Faisal Juanda Muhammad Ikhsan Muhammad Luthfi Achmad Muhammad Raiz Muhammad Riadi, Muhammad Muhammad Yusuf Muhammad Yusuf Muhammad, Zakiyudaulah Mukhsin Mukhsin Mulianti Nasiah Badwi Nasiah Nasiah Nasrul Nasrul , Nasrul Nasrul Nasrul Nasrul Nasrul Nasrul Nasrul Ningsih, Isna Sulistia Nur aidhilah ma'rufi amiruddin Nur Aisyah Nur Alwiyah, Tri Nur Fatima Basram Nur Fatimah Basram Nur, Medar M Nur, Medar M. Nurdalwah Makkasau Nurfadilah Nurfadilah Nurfadilah Nurfadilah Nurfadilah Nurfadilah Nurfatimah Nurfatimah Nurviana, Siti Nuryadi Nuryadi Nuryadin, Muhammad Taufan Nuryulianti, Nuryulianti Nyompa, ukri Paulus Payung Paulus Payung Pratama, Muhammad Faiz Putri Risna, Nur Afifa Qaiyimah, Dinil R, Rifaldi. Rabi'ah, Rabi'ah Rahma Musyawarah Rahma Musyawarah Rahma Musyawarah, Rahma Rahmah, Wde Nur Ramli Umar Ramli Umar Rasjusti, Rasjusti Rasul, Mat Rasyid, Angriani Rasyid, Rusman Reskianti Reskianti Rezky, A. Muh. Rifaldi.R, Rifaldi.R Rini Kausarani Riska Riska Rosdiana Ngitung Ruliana Ruliana, Ruliana Rusdi Rusdi Rusdi Rusdi Rusdi Rusdi Sahruni, Sahruni Samputri, Salma Sanjaya, Amir Selmi Dedi Slamet Widodo Soamole, Handri St Nuradryani Sudirman Sudirman Sudjud, Suratman Sugeng, Santoso Suhartono Nurdin Sukri Nyompa Sukri Nyompa Sulaiman Zhiddiq Sulaiman Zhiddiq, Sulaiman Sulaiman Ziddiq Sulistia Ningsih, Isna Sumiati Side Sumiati Side Suprapta Suprapta, Suprapta Susiyanti, Susiyanti Syafruddin Side Syamsidah, Syamsidah Syarifuddin Syarifuddin Syukri Nyompa Tripaldi, Agus Uca Uca Ulfa Aulia Syamsuri Utami, Rahmi Diah Vera, Melda Wahyuni, Rara Sri Wardiman, Wardiman Yaqin, Ahmad Ainil Yasdin, Yasdin Zulkifli, Sofyan