This paper presents a technical assessment of solar photovoltaic (PV) installation potential in urban areas based on its urban land cover type, using a case study of Indonesian cities including Yogyakarta, Kupang and Tomohon. The assessment was performed using a free online application to assess the urban land cover types, i-Tree Canopy. This application can be used to identify and distinguish urban land cover types such as building rooftop, vegetation, grass, soil, road and water, which then can be used to assess the suitable area for Solar PV installation. Additionally, solar photovoltaic power output data from Global Solar Atlas is used to calculate potential energy production from PV installations in each city. The result shows that in an urbanised city such as Yogyakarta, the most suitable PV installation is in building rooftops. Meanwhile, Kupang and Tomohon have higher potential for ground-mounted PV installation in bare ground or grass. The approach and result of this study could be used for planners and policymakers to determine city-scale solar PV installation planning to maximise solar energy production. It can also be used to calculate the solar energy estimation using free online applications, which is easy to use and more accessible for stakeholders.
The approach used in this study is a qualitative approach, because this study aims to describe the linguistic fault lines in the descriptive essay done by the students of Chinese Education Department of University state of Surabaya academic year 2012. In this research, there are 53 essays written by 53 respondent. Data analysis was initiated by identifying the mistakes in syntax and lexicon of descriptive essay in Mandarin, then classify these forms of error into linguistic taxonomy, and concluded the factors that cause errors speak.The results of this study consists of three parts. The first part is finding a syntax error in the form of a descriptive essay in Mandarin, which forms a syntax error in the preparation of fungtor language of Mandarin, some 5 grains fault error. Furthermore, the use of particles in Mandarin improper, some 9 points of error. The latter syntax error is improper preparation of the sentence as much as 82 grains of error. Where errors in grammar occur due to the authors make a mistake that the order of words in reverse. In addition there is also a mistake lexicon, namely in the form of improper use of the word as much as 134 grains contained errors. The latter is a global and a local fault. Globally there are 8 points errors and locally there are 6 items mistake. Factors causing the linguistic fault lines obtained from interviews of respondents stated that when studying Mandarin, the most difficult thing to learn is the grammar. This isproved by the number of 8 respondents who answered grammar is the hardest less onto learn. Then the tone and word pronunciation difficulties as many as seven people. The latter as much as 3 respondents said things that are difficult to study in Mandarin is writing Chinese characters. Recently, there were14 respondents who were not able to give an example of the full text of some kind of sentence filed by the researcher to the respondents.
The partial lockdown during the Covid-19 pandemic in Indonesia pushed people to work from and spend more time at home. During this unprecedented time, many people pursued new hobbies in gardening, which proved to enhance physical and mental health. With anxieties regarding food insecurity, food gardens became a new urban trend. With a relatively tiny space available, it is possible to make an urban food garden in the front yard of a house using various cultivation techniques to maximize space. However, the implementation of food gardens in urban houses is quite challenging due to limited space. Then, we reflect on the practical process and personal benefits gained from developing a tiny food garden at home. The tiny food garden could produce a variety of vegetables and herbs, such as the spinach family, lettuce, Asian greens, the tomato family, eggplants, the basil family, mint, rosemary, moringas, and butterfly-pea flowers. It may support a household with few amounts of fresh emergency food in the worst scenario during the Covid-19 pandemic. Besides, developing a tiny food garden at home may also provide co-benefits such as enhanced subjective well-being, increased appreciation of food and the environment, motivating others to start gardening at home, and great personal satisfactions of consuming home-grown food. With all these socio-ecological co-benefits, home food garden must be integrated as a strategy to achieve urban sustainability and increase household food resilience.
In the last 2 decades, hundreds of kilometers of toll roads have been built on Java, stretching from the east to the west of the island. Many researchers have examined the impact of the physical development of toll roads. From these previous studies, no one had ever identified the types of sprawl development resulting from toll gates. The purpose of this research is to identify the types of sprawl developments caused by the existence of toll gates. This research uses 2 methods: spatial development analysis using Google Earth Pro and literature reviews from publications on the topic of the impact of toll gates. We selected 12 toll gates based on the following criteria: toll gates must represent the western, central, and eastern regions of Java Island & toll gates must represent the time periods of toll development, which were more than 2 decades old, under 2 decades old, and less than 1 decade. The findings show there are variety of sprawl development as a result of the existence of toll gates or exits. The three types of sprawl developments include (1) linear/corridor and leapfrog; (2)concentric/radial and leapfrog and (3) a combination of linear and radial coupled with a leapfrog.
In this template file as introduction for the format of this journal. All content should follow the suggested AbstractEn style.Groundbreaking methods, which can combine stakeholder analysis and cost-benefit analysis (CBA) on urban development projects, are lacking. This study thus proposes an evaluation framework using CBA integrated with stakeholder interest mapping through focus group discussion and analytical hierarchy process. The proposed framework is demonstrated as the methodology for the study. The investigation takes eight residential developments in Sleman, Indonesia. Stakeholder interest mapping is found to provide empirical information regarding stakeholder concerns about urban land-use and development. In addition, multi-stakeholder CBA enables evaluation to identify and estimate cost and benefit distributions for each stakeholder. Moreover, the identification of stakeholder-focused cost-benefit and the calculation of the net present value and benefit-cost ratio simultaneously assist in the estimation of the total economic value and its proportional fairness arising from the development decision. Furthermore, this proposed urban development evaluation framework is beneficial as a preventive measure of conflicts among stakeholders caused by the externalities of urban development projects.
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