Microclimate is an important requirement for urban communities in creating outdoor thermal comfort. Micro climate as a benchmark in determining thermal comfort consists of 4 (four) elements which are, air temperature, air humidity, wind speed and solar radiation. Green open space area is one way to create comfortable micro climate for the community. The purpose of this study is to analyze microclimate and thermal comfort in 3 (three) green open spaces. The researcher used a purposive sampling method and chose the area with the same characteristics, namely UNSRAT Field, Tikala Field, and KONI Field. The results obtained were that the UNSRAT Field had the highest thermal comfort level with a percentage reaching 90% at 10:00 a.m. and 80% at 1:00 p.m. In addition, the micro climates in the three locations have differences, differences occur due to canopy area, tree species, plants, pavement type and building area around green open space.Keywords : microclimate, climate, open space, green open space
Tindakan praktis pelestarian lingkungan merupakan kebutuhan yang tidak bisa ditunda lagi dan bukan hanya Upaya pemanfaatan sumber daya alam tanpa menimbulkan kerusakan lingkungan perlu dilengkapi dengan pemahaman dan penguasaan teknik pengelolaan yang tepat. Karenanya adalah penting untuk melakukan pembekalan dan pengkayaan ilmu dan teknologi pengelolaan sumber daya alam yang berasas konservasi terhadap masyarakat. Dengan demikian, dalam memanfaatkan sumber daya alam masyarakat melakukan aplikasi praktis untuk konservasi lingkungan. Tujuan kegiatan ini adalah melakukan diseminasi Iptek dalam bentuk penyuluhan tentang teknik pengelolaan sumber daya alam untuk konservasi di area pemukiman dan sekitarnya. Metode pelaksanaan kegiatan yaitu penyuluhan/penyadaran, dengan waktu efektif pelaksanaan kegiatan yaitu enam (6) bulan. Evaluasi kegiatan IbM membawa pada kesimpulan bahwa masyarakat dan pemerintah setempat menyambut baik kegiatan yang dilangsungkan dan memberikan respon positif dengan meminta kelanjutan pelaksanaan kegiatan. Masyarakat memahami beberapa aplikasi praktis teknik pengelolaan sumber daya alam untuk konservasi lingkungan yang memungkinkan untuk diterapkan di lingkungannya sendiri.
Outdoor spaces are important to sustainable cities because they accommodate outdoor activities and contribute greatly to the quality of urban living.During the last decade, interest in the assessment of thermal comfort has increased because of climate changes and increased heat stress in cities. Greenspaces that provide a pleasurable thermal comfort experience for users effectively improve their quality of livability and productivity. However, current investigations lack a general framework for the use of thermal comfort assessment, such as in making master plan or designing better greenspace. This paper discusses greenspace of Sam Ratulangi University Campus relating to thermal comfort. It provides knowledge of thermal comfort investigation and landscape design review. The results of thermal comfort assessment, among 11 observed plots, only greenspace at FMIPA is categorized as comfortablespot. Greenspaces at FAPET and FEB are not really comfortable, those at BNI and FKM A and FKM B are not comfortable and those at FATEK, FAPERTA, FISIP, FH, FKM A are categorized as very uncomfortable spots. We suggest some options for redesigningof uncomfortable and very uncomfortable greenspace spots.Keywords: greenspace, outdoor, termal comfort
Beberapa masalah lingkungan di perkotaan yang sering ditemui adalah polusi udara, menurunnya infiltrasi air hujan, heat island effect, dan tidak kalah penting adalah menurunnya biodiversitas. Padahal RTH dengan biodiversitas flora yang tinggi menyediakan banyak fungsi, baik ekologi, ekonomi, estetika maupun amenity. Secara khusus di lingkungan mitra, permasalahan yang bisa diamati pada survey awal adalah adanya kecenderungan masyarakat menutupi halaman yang tersisa dengan perkerasan, penyeragaman dalam pemilihan dan penanaman RTH pemukiman, kurangnya pemahaman tentang fungsi RTH dan manfaat biodiversitas flora. Solusi yang ditawarkan adalah diseminasi RTH pemukiman yang meningkatkan biodiversitas flora, meningkatkan pengetahuan masyarakat tentang fungsi RTH, manfaat RTH dengan nilai biodiversitas flora yang tinggi, dan meningkatkan kemampuan masyarakat untuk melakukan pengelolaan RTH pemukiman dengan tindakan-tindakan praktis konservasi sehingga diharapkan dapat diaplikasikan dalam kehidupan mereka sehari-hari. Lokasi kegiatan pengabdian yaitu Kelurahan Winangun Dua Kota Manado, Sulawesi Utara dengan objek (khalayak sasaran) yaitu kelompok masyarakat Winangun Dua Lingkungan 1 dan Lingkungan 3. Tujuan PKM ini adalah mentransfer iptek pengelolaan ruang terbuka hijau (RTH) kawasan pemukiman, mencakup pemilihan dan pengkombinasian jenis-jenis tanaman, tindakan-tindakan praktis pengelolaan RTH, dan penerapan beberapa contoh desain RTH yang menarik tapi mudah diaplikasikan, estetis, produktif, tapi juga ekologis. Kegiatan PKM diharapkan dapat meningkatkan pendidikan lingkungan hidup masyarakat dan kualitas lingkungan. Keywords: biodiversitas flora, konservasi, pekarangan, ruang terbuka hijau
Kalangi, J.I. 2005. Growth Analysis of Radish Crop (Raphanus Sativus L) Planted in Various Density. Eugenia 11 (1): 18-24. Plant density is known to be important factor to determine the agronomical target of a maximum production. Plant density is generally determined by spacing. The wide spacing, may caused inefficient farm system. On the contrary, narrow by spaced planting can retard growth. Prediction of growth rates and development of crop plants including radish is insufficient if it is relied only on the change that happens to the crop with days after planting. But the basis of the prediction is its potential production biomass. This research is discover the density that suistable for maximum land - use. This research was conducted in a randomized block design, with five density treatments. The treatments were 40 x 60 cm, 45 x 60 cm, 50 x 60 cm, 55 x 60 cm and 60 x 60 cm each of which is repeated three times. The variable obseverved was crop dry matter. Air temperature and rainfall were also recordee. Data were analysed using ANOVA and SSD for mens differences. Radish growth and produces were determined by growth rate (Cm), periode of linear growth (tm) and period of silent growth (to). Plant density significantly affected the growth of radish. The maximum production was found at 50x60 cm with growth rate6.23g m-2 day-1. Keywords: Raphanus sativus, radish growth
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