Agriculture land management in Gorontalo Province

Gorontalo is the smallest province in Sulawesi Island with the higher population density than three other provinces. But, it has large agriculture area with the corn as the highest exported commodity in 2019. Most of people in Gorontalo Province are working in agriculture sector. Although the number of population are increasing every year, the agriculture land are still existing in Gorontalo Province. This study focuses on population dynamic and agriculture land management in Gorontalo. Secondary data from Statistic Board Center of Indonesia are used to assess the population dynamic, such as population growth rate, population density, and population pressure on the agriculture land. We used time series data from 2008 until 2017. The data then analyzed with descriptive quantitative method by discussing the results of data calculation. The results show that although there is an increasing of population density in Gorontalo Province, but the population pressure is low. The optimum development on agriculture sector in Gorontalo Province affect the high productivity on many agricultural commodities, especially for corn crop. So, the agriculture land area are still prioritized in this region. © Published under licence by IOP Publishing Ltd

A Review Disaster Mitigation of Jakarta Land Subsidence Areas

The Jakarta Capital Special Region of Jakarta is an area in the Java Island that has the highest level of vulnerability to land subsidence disasters. Land subsidence is caused by several factors such as excessive use of groundwater and natural compression of soil conditions. This study used a review analysis method based on a literature study on mitigation of land subsidence disasters in Jakarta city. The mitigation planning of land subsidence disasters in Jakarta will refer to government regulations on disaster management and Jakarta City spatial planning. Disaster mitigation is necessary to anticipate or reduce disaster risk. Disaster mitigation is a series of efforts to reduce disaster risk through physical development combined with awareness and capacity building in dealing with disaster threats. Education cannot be separated from the active role of the community and local government. High-densely populated areas will lead to more use of groundwater in Jakarta city. The excessive use of groundwater has resulted in more intensive land subsidence in Jakarta's urban area. The safe zone mapping of subsidence disasters is prominent to reduce and control land subsidence disasters. The government's efforts to lessen the impacts of land subsidence are by educating the population in disaster areas. © The Authors, published by EDP Sciences

Settlement Quality Mapping Analysis Using Google Earth Imagery and GIS in Sorosutan Subdistrict, Yogyakarta City

Sorosutan Subdistrict is located in Umbulharjo Subdistrict, Yogyakarta City. The development of Sorosutan Subdistrict is so rapid as indicated by the density of settlements and the complexity of the problems in it. One of these problems is related to settlement conditions. The condition of Sorosutan Subdistrict which has a slum area needs to be investigated on the quality of its settlements through assessment, weighting, and interpretation of Google Earth Imagery. The stage of determining the quality of settlements in this research is interpreting the imagery and determine the scoring of each parameter of settlement quality using GIS software. Based on the analysis of the results of data processing, it was found that the quality of settlements in Sorosutan Subdistrict is partly of medium quality of 54.27, while good quality is 23.05 and bad quality is 22.68. The distribution of good and bad quality settlements dominates the western and southern parts of Sorosutan Subdistrict. The distribution of settlement quality dominates the eastern part of Sorosutan Subdistrict. Hamlets which are decided as slum settlements in these qualities of settlements assessment have bad qualities in hamlet numbers 004 and 015. © The Authors, published by EDP Sciences

The Poverty Index Mapping in the Barlingmascakeb Area in 2019

Poverty is one of the serious problems in the national development process in Indonesia. Development basically aims to lead to a better situation and create a just and prosperous society. In the concept of Population-Centered Development, populations are not only treated as "objects" but also "subjects" of development. However, the incessant development carried out in various regions has not fully brought the welfare of the population. One of them is Central Java province which is a poverty pocket in Indonesia with a poverty percentage of 10.80 in 2019. Especially in the Barlingmascakeb area, namely Banjarnegara, Purbalingga, Banyumas, Cilacap, Kebumen, in the same year the percentage of poverty was relatively higher, respectively 14.76 percent, 15.03 percent, 12.53 percent, 10, 73 percent, and 16.82 percent. This study aims to examine the poverty index spatially in the Barlingmascakeb area in 2019 and find out the dominant indicators that determine the poverty index as one of the evaluation materials for the development process in the region. The data used to measure the poverty index is to use indicators on several dimensions of the Population-Centered Development Index (PCDI). The participation dimension is represented by the EPR (Employment to Population Ratio) indicator and the level of labor force participation rate; the dimension of partiality represented by the percentage of RREB (Regional Revenue and Expenditure Budget) for poverty reduction and other indicators related to poverty, namely income per capita. The spatial distribution of the poverty index is known through Geographic Information System (GIS) software. © The Authors, published by EDP Sciences

The energy charts for occupants' behavioural improvement through BIM

BIM is an easy method to design sustainable buildings for professionals like architects and engineers. By using the real measurable environment, software tools can shape building concepts such as geometry, spatial relations, geographical details and the design of structural composites and buildings, and the usage of energy annual like energy costs and life-cycle costs can be estimated and calculated. This study revealed the findings of the energy consumption within one year can provide valuable insights into the projected resources in the UNITEN Administrative Building. The application of these data would simplify energy cost calculation, an essential component of the costs of operating a property. With the purpose of maximizing energy efficiency in green buildings, the outcomes can be used as guidance to advice occupant management in optimizing occupant actions. © The Authors, published by EDP Sciences

Determinants of low birth weight and its relationship with stunted toddler status in Magelang Regency, Indonesia

Stunting contributes to a decrease in the quality of life. One of the potential factors which causes stunting is low birth weight (LBW). The objectives of this study are (1) to obtain representations of the characteristics of mothers and stunted toddlers; (2) to analyze the influence of maternal age at birth, gestational age, maternal hygiene and health behavior, and maternal nutrition knowledge related to LBW; and (3) to identify the relationship between LBW and stunted toddlers in Magelang Regency. This study used a mix-method approach that combined primary data and in-depth interviews. The binary logistic regression results found that maternal age at birth, gestational age, maternal hygiene and health behavior, and maternal nutritional knowledge had a significant effect to LBW on stunted toddlers. © The Authors, published by EDP Sciences

Spatio-temporal assessment of rice self-sufficiency in West Sulawesi Province, Indonesia

Agriculture is an important economic sector in human life. One of the analyses of agricultural resources is food adequacy which is closely related to food availability and food needs. The research location of this study is West Sulawesi Province which has the potential for economic development to improve the welfare of its people and be able to implement sustainable development. The purpose of this study is to determine rice sufficiency from 2016 to 2020 for each district and to projected it for several years. The research was conducted by quantitative methods and analyzed descriptively and spatially. The data collection method is documentation method by literature studies to collect secondary data from Central Statistics Bureau (BPS) of West Sulawesi Province. In general, rice sufficiency in West Sulawesi Province from 2016 to 2020 is included in the sufficient category. However, for several years there were two districts with inadequate amounts of rice, which were Majene and North Mamuju. The projection results in 2025 and 2030 also show the same thing, Majene and North Mamuju are still in the insufficient category and it will get worse in 2030. So in general, West Sulawesi Province is predicted to be unable to meet food needs. © The Authors, published by EDP Sciences

Analysing the land use/land cover influence on land surface temperature in San Luis Potosí Basin, México using remote sensing techniques

Changes in Land Use/Land Cover (LULC) generate several impacts which affect the energy balance of the Earth and, consequently, modifying the climate of a region. Accordingly, one of the most important indicators of this modification is the Land Surface Temperature (LST). The present work aims to analyze the relationship between LULC and LST, determining the influence of LULC on LST using Geographical Information Systems (GIS) and Remote Sensing (RS) techniques. The selected study area was the San Luis Potosí Basin, México (SLPB). A temporal analysis has been developed for 2007 and 2020. Satellite images from Landsat 5 TM and 8 OLI/TIRS has been used to calculate LST through a single-channel algorithm for winter and spring. LULC has been determined from a supervised classification with neural network algorithm. Finally, change rates for LULC and LST were assessed. The results indicate that an LST increase of 11 C from 2007 to 2020 has been detected in the region. Also, results showed that covers with spare vegetation or without vegetation have the highest temperatures (29 C to 32 C). In comparison, the covers with dense vegetation and water showed the lowest temperatures (23 C to 25 C). This type of research allows addressing the LULC effects on LST, as well as prove its importance in improving land use planning systems. © Published under licence by IOP Publishing Ltd

Relationship of the Significance of Freshwater Use to Health Protocols During the Covid-19 Pandemic in Bantul Village, Yogyakarta

The Covid-19 pandemic has an impact on the use of freshwater. Freshwater has an essential role in preventing the spread of Covid-19 related to the implementation of health protocols also Clean and Healthy Living Behavior. The important factors that influence water use are socioeconomic conditions, including income level, type of work, and education level. The spread of Covid-19 significantly occurs in urban areas. Bantul village is the center of government, economy and one of the planned areas of urban settlements in Bantul Regency. Bantul village is also a hinterland of the Yogyakarta agglomeration area. This study was conducted to determine the influence of socio-economic conditions on the significance of changes in water use during the Covid-19 pandemic to implement health protocols in Bantul village. The data was obtained through interviews with 99 respondents based on random sampling techniques. This research was conducted with quantitative methods and descriptive analysis techniques. The result shows an increase in freshwater use during the pandemic, particularly washing hands and taking a shower. The highest increase in freshwater use is in Kurahan Hamlet. While in Grujugan Hamlet, there has been no increase. The increase in freshwater use indicates the suitable implementation of health protocols. © The Authors, published by EDP Sciences

Characterization of carbonate rocks using seismic wave for tunnel design stability

The design and construction of a tunnel depends on the mechanical properties of the rock mass around the tunnel. Seismic method can be used to characterize the dynamic properties of rocks. The technique is mostly conducted in geophysical surveys and geotechnical investigations. The method utilizes reflected sound waves that can be used to describe the dynamic properties of rocks. Physical properties of carbonate rocks such as water content, density, hardness, permeability, porosity, wave velocity and abrasivity can be assessed and estimated using P-wave velocity. One of the important characteristics in rock is its ability to remain stable. In this research, seismic refraction survey was applied to measure the strength of carbonate rocks for tunnel stability design. The findings revealed that the regression between the primary velocity and the uniaxial compressive strength R2 was 0.8592, indicating that the rock was firm and solid. Observation by physical visual test showed that the rock samples with yellowish-grey and light grey colours were categorized in the weathering grade II and III, respectively. The results have concluded that the rocks in the proposed area met the full requirements for tunnelling construction. © The Authors, published by EDP Sciences