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All Journal EUGENIA Jurnal Ilmiah Sains AGRI-SOSIOEKONOMI Silvarum COCOS Jurnal Lentera: Penelitian dan Pengabdian Masyarakat
Josephus I. Kalangi
Program Studi Kehutanan, Universitas Sam Ratulangi
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Economics, Econometrics & Finance Environmental Science Mathematics Medicine & Pharmacology Physics Public Health Social Sciences Other

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ANALISIS KEBISINGAN BEBERAPA RUANG TERBUKA HIJAU DI KOTA MANADO Nastasia Irene Potoboda; Josephus Kalangi; Fabiola B. Saroinsong
COCOS Vol. 13 No. 1 (2021): EDISI JANUARI-MARET 2021
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v2i2.32483

Abstract

ABSTRACTNOISE ANALYSIS GREEN OPEN SPACE IN MANADO CITYThis study aims to analyze the noise leve in several green open spaces in the city of Manado.This research was conducted in march 2020 in three locations, namely the UNSRAT field, theKONI field, and Jln.Piere Tendean-Ahmad Yani,Manado city, North Sulawesi. This study uses apurposive sampling method in determining the sampling point by means of measurements usinga sound level meter (SLM) and the data is processed by surfer 11 software. The results of thenoise level research for UNSRAT Field 40-70 dB(A), KONI Field 47-79 dB(A), and Jln.PiereTendean-Ahmad Yani 50-95 dB(A). From the results of the analysis of existing noise levels, itshows that the location with the highest noise level is Jln.Piere Tendean-Ahmad Yani which areincluded in the green open space area which are included in the green open space area whichonly reaches 71 dB(A) and 79 dB(A) the highest.Keywords: Noise, Green open space, and Manado City.
FLUKTUASI SUHU UDARA PADA EKOSISTEM HUTAN KOTA Nonong Krisnawati Loha; Johan A. Rombang; Josephus I. Kalangi
COCOS Vol. 14 No. 3 (2022): EDISI JULI-SEPTEMBER 2022
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v8i8.37237

Abstract

Abstract This study aims to determine fluctuations in air temperature in urban forest ecosystems. This research was carried out in 3 (three) places, namely Tomohon urban forest (921 meter above sea level), Bitung urban forest (Danowudu 248 meter above sea level) North Minahasa urban forest (Kenangan 342 meter above sea level), conducted in November 2021, for 5 days. Observation plots measuring 25x25 m at each location. The diameter of the crown was measured using the "Improvised technique". The results showed that, Danowudu urban forest had a tree density level of 0.0192 trees/m² with a diversity of 6 tree species, Tomohon urban forest had a tree density of 0.0224 trees/m² with a diversity of 3 tree species, and Kenangan urban forest had a tree density of 0.0272 trees/m² with a diversity of 5 tree species, the highest temperature fluctuation was obtained in the Kenangan urban forest at 7.48°C and the lowest at 5.08°C in the Tomohon urban forest. Keywords: Air temperature, fluctuation, urban forest
Co-Authors Adenancy A. Montjai Adenancy A. Montjai, Adenancy A. Alfonsius . Thomas Alfonsius Thomas Alfonsius Thomas Alfunsius Thomas Astuti Anna Beka’ Belly Ireeuw Caroline N.A.C. Tasirin Chandra C. Mosooli Chandra C. Mosooli, Chandra C. Christien N. Kendek Claudio Bonifasius Cristina Lestary Sihaloho Dina Juanita Etivera Safuf Etivera Safuf, Etivera Fabiola B. Saroinsong Fabiola B. Saroinsong Fabiola B. Saroinsong Fabiola Baby Saroinsong Fadli Rahman Habdi Selpia Habdi Selpia, Habdi Handiward Tonoro Hartono . Hengky D. Walangitan JOHAN A. ROMBANG Johannes E. X. Rogi Jos Singgano Jos Singgano, Jos Josea Singgano Jouke G. Watratan Lidia Anike Pandeirot Luh Putu Ratna Sundari Malsupri Taher Marthen T. Lasut Marthen T. Lasut Martina A. Langi Martina A. Langi Meity Rantung Nastasia Irene Potoboda Nonong Krisnawati Loha Paembonan, Mutiara Piekarsa Pangemanan, Euis F. S. Prestin Babo Randi Purba Reynold P. Kainde Reynold P. Kainde Rizky Nurhalizah Karim Santi . Lumingkewas Saroinsong, Fabiola Baby Semuel P. Ratag Semuel P. Ratag Serly Lumabi Sihaloho, Cristina Lestary Sukarman Hi. Jafar Telji Y. Palemba1, Tepenur Weya Tepenur Weya, Tepenur Terry M. Frans Wawan Nurmawan Zulfitri Lawe