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Nofi Yendri Sudiar
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Research Center for Climate Change (RCCC) Lembaga Penelitian dan Pengabdian Masyarakat (LP2M) Universitas Negeri Padang Jl. Prof. Dr. Hamka Air Tawar Padang
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Journal of Climate Change Society
Published by Universitas Negeri Padang
ISSN : -     EISSN : 30249961     DOI : https://doi.org/10.24036/jccs/Vol1-iss1
Core Subject : Humanities, Science, Social, Engineering,
Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemistry Earth & Planetary Sciences Electrical & Electronics Engineering Environmental Science Physics Social Sciences
Journal of Climate Change Society (JCCS) memiliki fokus dengan multidisiplin ilmu dan bidang kajian antara lain: Klimatologi, Ekologi, Mikrobiologi, Energi Terbarukan, Sumber Daya Air, Pertanian, Perikanan, Kesehatan, Komunikasi, Kelautan, Kehutanan, Sosiologi dan lain sebagainya.
Arjuna Subject : Fisika dan Astronomi - Fisika dan Astronomi (Lain-Lain)
Articles 23 Documents
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Analysis of the Comfort Level of Climate in the Padang Coastal Tourism Area Using the Holiday Climate Index (HCI) Method Randy; Nofi Yendri Sudiar; Ahmad Fauzi; Letmi Dwiridal
Journal of Climate Change Society Vol. 1 No. 1 (2023)
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jccs/Vol1-iss1/3

Abstract

Padang city is one of the regions of Indonesia that has potential in the tourism sector, one of which is beach tourism. The tourism sector is one of the largest sectors and the main mainstay for the economy in various countries, including Indonesia. Countries that rely on the tourism sector must pay attention to several factors that attract tourists, one of which is climate comfort. Climate information is a major factor in choosing a tourist trip. This study aims to analyze the level of climate comfort in the coastal tourism area of Padang City using the Holiday Climate Index (HCI) method. HCI uses climate parameters such as air temperature, humidity, wind speed, rainfall, and cloud cover. HCI calculation data in the form of observation data obtained from the Meteorology Climatology Geophysics Agency (BMKG) station at Minangkabau International Airport and the Teluk Bayur Maritime Meteorology Station from 2011-2020, direct measurement data from August to September, and questionnaires. The results of the HCI analysis show that the city of Padang is comfortable throughout the year, with the HCI value in the range of 58.6-71.6 which is categorized as acceptable to very good. The results obtained through direct measurements also obtained comfortable results throughout the day with HCI values in the range of 70-80. Perceptions of tourists interviewed also stated that overall tourists felt comfortable with the percentage of respondents as much as 74.1%. HCI can be used as a source of information to determine the value of climate comfort in tourist areas.
Thermal Comfort Index Analysis of Padang City Coastal Tour-ism Area Using the Physiological Equivalent Temperature (PET) Method Sadinda Tsania Suhada; Nofi Yendri Sudiar; Hamdi; Letmi Dwiridal
Journal of Climate Change Society Vol. 1 No. 1 (2023)
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jccs/Vol1-iss1/5

Abstract

This study aims to determine the category of comfortable thermal sensation in traveling based on the value of the Physiological Equivalent Temperature (PET) thermal index. The research sites were selected in Padang Beach (PP), Air Manis Beach (PAM) and Nirwana Beach (PN). Calculation of perception of comfort using questionnaire data to visitors. PET calculation data is sourced from the Meteorology, Climatology and Geophysics Agency (BMKG) in 2011-2020 and direct measurement data. The results show that the PET thermal sensation category for the Padang City coastal area throughout the year (2011-2020) is included in the "warm" category for tourism activities. Likewise, direct measurements show the "very hot" category with a PET value of 40.3ºC. However, interviews with visitors showed that the overall comfort condition was “neutral” (62%). This is due to environmental conditions that provide a comfortable effect on visitors. The majority of visitors were interviewed under the auspices. Although the measured air temperature is classified as "high", the effects of trees, walking paths and rest areas make visitors feel comfortable.
Characterization of Pig, Cow and Goat Raw Skin Using E-Nose for Visual Data Comparison of Characteristics of Halal Skin-Processed Products Yogi Putra; Yenni Darvina; Yulkifli
Journal of Climate Change Society Vol. 1 No. 1 (2023)
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jccs/Vol1-iss1/8

Abstract

The presence of questionable halal claims for various products in the market presents concerns among consumers, particularly Muslims. As a result, the need to accurately identify halal skin products has become crucial. This study focuses on differentiating pig skin from other commonly used raw materials such as cow skin and goat skin by utilizing visual characteristic data. The data was obtained through the analysis of samples using a chemometric-based electronic nose instrument, which detected volatile organic compounds (VOCs) through metal oxide semiconductor sensors (TGS 26xx and TGS8xx). The samples consisted of pig skin, cow skin, and goat skin, and their specific odors were measured and represented in line graphs, revealing distinct odor patterns detected by the sensors. The analysis revealed that pig skin exhibited the highest and increasing trend line, indicating a higher concentration of VOCs and an intense odor. Cow skin displayed a moderate trend line with lower concentrations of VOCs, while goat skin showed a lower trend line compared to cow skin but possessed strong odor properties. The analysis employed the linear discriminant analysis (LDA) method, which further confirmed these characteristics by generating line graphs that demonstrated significant differences, particularly in pig skin. The LDA plot graphs presented clear groupings of the original pig skin, cow skin, and goat skin data. Discriminant function 1 accounted for 89.13% of the grouping, while discriminant function 2 accounted for 10.87%, resulting in a total value of 100% for the discriminant function. In conclusion, this research establishes a clear distinction between pig skin and cow/goat skin based on their odor characteristics and sensor data. The LDA plot graphs serve as a valuable visual tool for identifying the characteristics of halal products. By utilizing this approach, consumers, especially those seeking halal-certified skin products, can make informed choices and have greater confidence in their purchasing decisions.
Community Perceptions About the Development of Sustainable Pasir Jambak Beach Tourism Objects Okriyeni Sudiar; Zulhendra Syafardi; Septian Budiman; Abdul Razak
Journal of Climate Change Society Vol. 1 No. 1 (2023)
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jccs/Vol1-iss1/9

Abstract

In developing beach tourism objects, of course there is the role of the community as a successor for the development of Pasir Jambak beach. Community understanding regarding environmental conditions in the presence of tourist objects will certainly provide a tourist attraction that will not damage the environment. This study aims to determine the views/perceptions of the community regarding the development of sustainable Pasir Jambak Beach Tourism objects. This research is descriptive qualitative. In this study, the research informants consisted of the community around Pasir Jambak beach. The sampling technique was carried out using the Snowball Sampling technique. Data collection techniques used are interview techniques and observation techniques. The data analysis technique used is analysis based on the data obtained, then developed into a hypothesis. The community is very concerned about the sustainable development of Pasir Jambak Beach by keeping the beach clean, erecting buildings that do not damage the beach environment, not cutting down pine trees and not doing activities that can cause beach abrasion.
Crystal Structure Analysis of Graphene Oxide based on Bamboo “Betung” Synthesized By Modi-Fied Hummer Method Ledia Elan Safitri; Ramli; Gusnedi; Rahmat Hidayat
Journal of Climate Change Society Vol. 1 No. 1 (2023)
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jccs/Vol1-iss1/10

Abstract

Bamboo is a non-timber forest product with a very large population in Indonesia. One of them is bamboo betung which can be found from the lowlands to the highlands but has not been used properly. Therefore, research was conducted to utilize bamboo betung to benefit the society. In this study, the synthesis of graphene oxide (GO) from bamboo betung stems will be carried out. The purpose of GO synthesis to further observe the crystal structure and crystal size of GO itself because it can be applied in various fields such as wave absorbers, radio frequency electronics, data display panels, and photovoltaic cells. GO synthesis was carried out using the Modified Hummers Method. The sintering temperatures used in this study were 300oC, 350oC, 400oC and 4500C. GO characterization was carried out using XRD and FTIR to reveal the system of crystal, crystal structure, and size, in addition functional groups, and phases of graphene oxide. GO has an average crystal size of 23.30165 nm as the largest average crystal size. GO layer is formed due to the bond between Carbon (C), Hydrogen (H) and Oxygen (O). GO Layer can be typed at any temperature variations carried out..
Carbon Reserves in The Forest Stand In The Maninjau Natural Reserve Area, Silayang-Malabur Rehabilitation Block, Agam District Novia Sherina A. Lubis; Irma Leilani Eka Putri
Journal of Climate Change Society Vol. 1 No. 1 (2023)
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jccs/Vol1-iss1/12

Abstract

The Maninjau Nature Reserve is a conservation forest area located in Agam Regency and Padang Pariaman Regency. Based on its management, the Maninjau Nature Reserve is divided into protection blocks, rehabilitation blocks and special blocks. Meanwhile, Silayang-Malabur is included in the rehabilitation block where this block has suffered damage caused by illegal logging and conversion of forests into fields which have an impact on reducing carbon stocks. Therefore, it is necessary to conduct this research to determine stored carbon stocks. This research was conducted in the Maninjau Nature Reserve area, Silayang-Malabur Rehabilitation Block, Agam Regency, which was carried out from December 2022 - January 2023. This type of research was descriptive research by collecting data on plants in forest stands. Data collection used purposive random sampling which was divided into 2 research areas, namely natural forest and disturbed natural forest. The sample plots used were a single plot of 3 randomly distributed plots in each study area. Based on the results of research on carbon stocks in forest stands in the Maninjau Nature Reserve area of ​​Silayang-Malabur Rehabilitation Block, Agam Regency of 182,812 tons C/ha where carbon stocks in natural forest areas are 148,415 tons C/ha while carbon stocks in disturbed natural forest areas are 34,397 tons C/ha. According to the Ministry of Forestry's Bappenas criteria, it was concluded that the total carbon stock in the Maninjau CA area is in the high category.
Quality of Muaro Sasak Waters, West Pasaman Regency, West Sumatra Province: Kualitas Perairan Muaro Sasak, Kabupaten Pasaman Barat, Provinsi Sumatera Barat Alya, Alya Fariani; Kamal, Eni; Razak, Abdul
Journal of Climate Change Society Vol. 1 No. 2 (2023)
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jccs/Vol1-iss2/6

Abstract

West Pasaman Regency, especially the coastal area of Sasak Subdistrict is an area that supports sustainable fisheries activities for the Sasak Subdistrict community, so it is important to know the quality of its waters. This study aims to determine the quality of waters in Muaro Sasak based on chemical parameters which are then compared with the quality standards of the research instruments used. The research was conducted at two sampling points namely Batang Pasaman and Batang Kapar. Water quality parameters measured include acidity (pH), temperature, dissolved oxygen (DO meter), total dissolved solids (TDS) measured in-situ. The results of water quality research in Batang Pasaman showed a pH value of 5.5-6.5, temperature of 29-31˚C, DO meter 3.12-5.87 ppm, and TDS meter 620-720 ppm. While the results of measurement analysis in Batang Kapar showed a pH value of 5.2-5.5, temperature 35˚C, DO meter 3.55-4.21 ppm, and TDS meter 710-810 ppm
The Effect of Vaname Shrimp Pond Waste Disposal (Litopenaeus van-namei) on The Environment and Environmental Law Perspective: a Literatur Review Dewi, Dewi Fortuna Khairil; Frinaldi, Aldri
Journal of Climate Change Society Vol. 1 No. 2 (2023)
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jccs/Vol1-iss2/13

Abstract

As a result of observations regarding waste disposal that have been carried out, many shrimp farmers ignore the negative impact of excessive feeding on the environment. Including proper waste management practices, such as processing before discharge into the sea, is often ignored. This research uses a qualitative research method in the form of a literature review (document analysis). The data in this research is information regarding the impacts caused by vaname shrimp waste. The main data sources are obtained through observations and documents from journals or articles that have been published or published. The impact of shrimp pond waste disposal on the environment can cause damage to aquatic ecosystems and environmental pollution. The environmental law perspective regulates legal sanctions for perpetrators of waste disposal from vaname shrimp ponds that damage the environment, such as imprisonment and fines. Several efforts have been made to handle vaname shrimp pond waste for organic fertilizer, waste water treatment installations (IPAL), environmental impact analysis (AMDAL) and supervision from local governments. And the solution that needs to be implemented by business actors is to carry out waste management that meets quality standards, pay attention to AMDA and legal sanctions that can be imposed if you dispose of vaname shrimp pond waste which can damage the environment
Analysis of Carbon Stocks in Mangrove Forest Areas in Padang City Nanda, Popi; Yendri Sudiar, Nofi; Akmam, Akmam; Amir, Harman
Journal of Climate Change Society Vol. 1 No. 2 (2023)
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jccs/Vol1-iss2/14

Abstract

Global warming is caused by the disruption of the energy balance between the earth and the atmosphere. Carbon emission is the process of releasing greenhouse gases into the atmosphere due to human activities. High carbon emissions contribute to climate change. This climate change can have serious impacts on human life and ecosystems. Mangrove forests are one of the most carbon-rich forest types in the tropics. Mangrove areas are declining rapidly due to logging for the expansion of aquaculture ponds and infrastructure development. The data collection method used in this study is a survey method with field survey techniques (observation). Calculation of tree biomass and carbon stocks using allometric equations based on plant species and stem diameter.Carbon reserves in mangrove forests in general in the city of Padang amounted to 3,682.06 tonnes from 78 ha of mangrove forests. While the mangrove forest ditaluak buo can absorb 895.72 tonnes from 49 ha of mangrove forest. Based on carbon reserves, mangrove forests in the city of Padang are able to absorb 4,577.78 tons from 120 hectares of mangrove forest area in the city of Padang or around 38.90 ppm. Based on the results of the research, the value of Carbon Reserves in Taluak Buo is 4.97 tonnes / ha of 334 mangrove stems and is able to absorb or reduce carbon emissions by 18.28 tonnes / ha and the type of Sonneratia caseolaris is the largest contributor. Mangrove forests in Taluak Buo can absorb 9.45% of carbon emissions. The contribution of mangrove forests in the city of Padang is able to absorb 38.90 ppm while carbon emissions are 411.54 ppm. This means that the Mangrove Forest has not been able to clean up carbon emissions in the city of Padang and can be called that the city of Padang is a less healthy city
Increasing The Effectiveness Of 20 WP Solar Panel Power Absorption Using Three Angle Variations Based On The Effect Of Temperature Changes In Padang City Yulianis; Mairizwan; Yulkifli
Journal of Climate Change Society Vol. 1 No. 2 (2023)
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jccs/Vol1-iss2/15

Abstract

In this paper, a system has been successfully designed to measure the effectiveness of solar panel power absorption with three variations in location and temperature changes in the city of Padang. The performance specifications for this system use three 20-watt solar panels with varying angles of 50°, 65°, and 75°. Use of the INA219 sensor, DS18B20 sensor, and BH1750 sensor, which measure power, temperature, and light intensity parameters. The system uses a Bluetooth serial terminal as a data logger and data storage device. The design specifications for sensor accuracy are 97.5% for current, 98.3% for voltage, 98.7% for temperature, and 99.7% for light intensity. Sensor accuracy is 99.905% for current, 99.996% for voltage, 99.838% for temperature, and 99.383% for light intensity. Based on these results, the smart garden tool design can work well. The results of the increase for three variations of angles at three locations in the city are: Power absorption at an angle of 50° at 3 different locations obtained power absorption of 3447.07 Watts (urban), 2566.3 Watts (hills), and 2461 Watts (beach). Power absorption at an angle of 65 ° at 3 different locations obtained power absorption of 2324.67 Watts (urban), 1679.35 Watts (hills), and 1779.03 Watts (beach). Power absorption at an angle of 75° at 3 different locations obtained power absorption of 2162.16 Watts (urban), 1687.85 Watts (hills), and 1799.58 Watts (beach). From the measurement results, it can be concluded that increasing the effectiveness of solar panel energy harvesting can be done in urban locations at an angle of 50°.

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