Kuaanan Techato

Prince of Songkla University · Faculty of Environmental Management

Heavy and incessant rainfall in Nepal, particularly during the monsoon season, leads to water-induced risks like landslides, necessitating the use of Landslide Susceptibility Mapping (LSM) for the prediction of landslide risks. We aim to determine the degrees of connection and connective factors among landslide incidents to generate an updated land...

The practice of exposing honeybees to pesticides by bee-keepers or via agricultural crops, is one of the ways in which honey becomes contaminated with pesticides. Though honey has many health advantages, however, human exposure to pesticides via consumption of honey has generated public health concerns due to their endocrine-disruptive abilities. T...

Purpose This research examined the accountability measures put into practice during the housing reconstruction following the 2015 Nepal earthquakes. Additionally, it aimed to identify gaps in accountability practices and suggest approaches for improving their efficacy. Design/methodology/approach The research methodology encompassed a qualitative...

The emergence of "community-based tourism" (CBT) is seen as a viable and alternative means of promoting sustainable tourism development, enhancing community welfare, as well as empowering local communities. By actively involving and empowering the local community, this tourism model aims to minimize negative social, cultural, and environmental impa...

This article investigates the temporal analysis of billion tree tsunami forests in Garhi Chandan area of Pakistan based on three supervised methods, namely random forest algorithm (RFA), principal component analysis (PCA) combined RFA and support vector machine (SVM). As a first step, the Sentinel-2 and Landsat-8 data fusion is performed to enhance...

Coconut shell represents a promising biomass for energy production, given their wide availability. In this study, the thermo-kinetics of coconut shells were examined through thermogravimetric analysis from 30 °C to 1000 °C at 5 °C/min under N2. Advanced analytical tools assessed the elemental, microstructural, and morphological attributes of the sa...

This article proposes random forest algorithm (RFA), multi-layer perception (MLP) artificial neural network (ANN), and support vector machine (SVM) method for classifying the fused data of Sentinel-2, Landsat-8, and Airbus Vision-1 satellites for the years 2016 and 2023. The first variant of fusion is performed for Sentinel-2 and Landsat-8 data to...

Coal, extensively used in many countries across various industries, particularly as a fuel in the energy sector, poses significant environmental challenges due to process-related implications and their complex characteristics. A notable obstacle arises from its heterogeneous and complex submicron–nano-molecular structure, often leading to operation...

This systematic review delves into the critical domain of accountability mechanisms in the context of service providers, particularly in post-disaster reconstruction efforts. By employing a thematic analysis approach, the study evaluates various dimensions of accountability, including participation, transparency, feedback mechanisms, coordination,...

Notable research has been made in shaping technology to make sustainable EVs a practical reality. Various works have been carried out on related domains of EVs, however for wide acceptance and adoption EV’s cybersecurity must be guaranteed. Though existing cybersecurity approaches in detecting, sensing cyberattacks could be applied to modern EV’s,...

Mangroves have been degraded and converted for decades due to a multitude of factors, ranging from human activity to natural perturbations such as disasters and global warming. Experiments were conducted to determine the impact of fly ash (FA) on the growth of Rhizophora apiculata Blume's (R. apiculate). A completely randomised design (CRD) was emp...

E-waste management is an immediate matter of concern for every country of the world as it not only pollutes the environment but also very toxic and hazardous to the health of living beings. Major challenges to its management come from lack of understanding of the scope and depth of the management methods, legislation relating to e-waste and socio-e...

Though the role of media in climate change messaging has been understood in academic and public spheres, limited studies have been conducted and published, especially in the context of Nepal. A review of 65 readings highlights increased focus on behavior change communication than media advocacy, lack of innovation scope in funded media projects, ab...

Though the role of media in climate change messaging has been understood in academic and public spheres, limited studies have been conducted and published, especially in the context of Nepal. A review of 65 readings highlights increased focus on behavior change communication than media advocacy, lack of innovation scope in funded media projects, ab...

The world continues to rely on natural resources as its primary source of energy. It is the most significant key component that moves a country's economic development. In most countries, petroleum, oil, and gas are essential sources of energy. Oil, gas, and petrochemical industries are the most important sector that has positively impacted the worl...

Oil is often extracted from a well together with water as well as, in certain cases, minor amounts of natural gas. Thus, separating oil and natural gas is necessary before they can be used. Gases, such as natural gas, are extracted from the earth in combination with other gases and water vapor at the same time. Separating oil and natural gas is nec...

Joshi et al.: Determinants of millet production in Nepal-3009-APPLIED ECOLOGY AND ENVIRONMENTAL RESEARCH 21(4):3009-3023. Abstract. Globally, changing climate is harming agricultural production, particularly in underdeveloped nations where an older population faces nutritional poverty and hunger. Nepal being a developing country faces the same prob...

Ever increasing anthropogenic pressures and natural threats to freshwater ecosystems are impacting global biodiversity. Otters are an indicator species that have an important role in maintaining the integrity and stability of wetland ecosystems. A lack of information on essential variables of otter ecology in the Himalaya range, including suitable...

The battle of currents between AC and DC reignited as a result of the development in the field of power electronics. The efficiency of DC distribution systems is highly dependent on the efficiency of distribution converter, which calls for optimized schemes for efficiency enhancement of distribution converters. Modular solid-state transformers play...

Correction: Journal of Thermal Analysis and Calorimetry (2021) 145:1633–1650 https://doi.org/10.1007/s10973-021-10868-2 In the original publication of the article, the caption to Figs. 1 and 2 must be updated with the source line as below. Fig. 1 Schematic diagram of the proposed simultaneous power/hydrogen production system reproduced with kind...

The objective of this study was to assess the quantities of association between landslide events and causal factors in order to generate an accurate, updated landslide susceptibility map (LSM) of the Phewa watershed in Kaski, Gandaki District, Nepal. Landslides are the second-largest natural disasters of the world, and the costs of their damage cou...

For many years, scientists have wrestled with the disparity between solar cell modeling and real results. Especially, simplified assumptions fabricated by simulation programers can be the best normal reason for this report. However, by using certain nonideal conditions, the simulated solar cell may mimic real conditions in some modeling programs. U...

Unmanaged Solid waste in educational institutions is becoming a serious issue. Most educational institutions from developing countries rely upon the government for the management of their waste, that is they collect the waste within their premises and dump it into the municipal waste disposal truck or vehicle. Concern remain about whether the dispo...

This chapter deals with the simulation of cyclone separator for particulate removal from syngas. One of the most difficult issues of the gasification process is the presence of particles in syngas, which requires expert attention: these solid particles should be eliminated by utilizing solid separators. A cyclone separator is a particle separation...

Green route of nanomaterials synthesis is increasing in demand due to ecofriendly to the environment. In this research, objective is to biosynthesize and evaluate the antibacterial performance of pure ZnO and Ag/ZnO nanocomposites using Camellia sinensis leaf extracts. Pure ZnO nanoparticles and Ag/ZnO nanocomposites were synthesized using Camellia...

In order to address the challenges of global warming, the Billion Tree plantation drive was initiated by the government of Khyber Pakhtunkhwa, Pakistan, in 2014. The land cover changes as a result of Billion Tree Tsunami project are relatively unexplored. In particular, the utilization of remote sensing techniques and satellite image classification...

Across the globe, climate change is threatening the environment, crop yield and food security. The key to ensuring a sustainable environment, crop yield increase and food security is to identify the long-term significant impact of climate change and the means of reducing the effect. This study examined the impacts of climate change on cassava yield...

Due to environmental issues associated with large dams, small hydropower (SHP) has recently won social acceptance in Thailand as a clean and predictable energy resource. This study was aimed at identifying small run-of-river hydropower sites in Songkhla lake basin (SLB) Thailand. An integrated geographical information system (GIS), soil and water a...

Compost quality issue has been raised for a long time. The quality is low grade which consisted of low major nutrient value. Moreover, compost making bin is always demanded by urban residents. Thus, the study emphasized composting of food and cooked tea waste enriched by bonemeal and eggshell powder through tub basin (compost bin). Compost was prep...

Morocco is a country with a lack of fossil fuel resources and an increasing demand for energy. This inspired the country to increase the use of renewable energy in the energy mix. The objective of this study was to conduct an optimization and techno-economic appraisal of a concentrated solar power plant (CSP) using different scenarios that took Oua...

Natural fiber-reinforced polymer composites are gaining in popularity due to recyclability and availability. This research investigates how oil palm shell (OPS) filler materials impact the interlaminar shear and the dynamic properties of flax fiber-reinforced hybrid composites under cryogenic circumstances. Filler materials in two different proport...

The aim of this study was to assess the suitability of vermicomposting for various types of organic waste based on earthworm growth and reproduction as well as nutrient content in final vermicompost. The study was also focused on the kinds of earthworms employed in the research, the countries where vermicomposting research was done, and fundamental...

In Vietnam, most protected areas are guarded and their natural resources are conserved by forest rangers, who carry out their law enforcement duties from forest stations. Previous research projects have been undertaken on law enforcement performance during traditional patrolling in most protected areas; however, insights into patrolling efforts at...

Currently, solar energy is considered one of the most suitable options for overcoming the problems of fossil fuel depletion, and global warming. Also, the high costs associated to photovoltaic systems, renders the maximum utilization of solar cells, a fundamental and undeniable necessity. Technical-economic-environmental analysis, using HOMER softw...

Circular economy (CE) has grown in popularity among policymakers as a novel approach to sustainable development, and a trending tool driving sustainable development in many countries around the world. Fundamentally, interactions between socioeconomic, socioecological, and technological factors determine sustainable development. Para rubber is a vit...

Are small-scale wind turbines green? In this study, we perform a ‘cradle to grave’ life cycle assessment of a novel domestic-scale 10 kW vertical axis wind turbine tree which uses combined Savonius and H-Darrieus blades. Situated at a test site in Surat Thani, Thailand, SimaPro software was used to evaluate the environmental impact profile of the t...

Purpose The aim of this study was to assess the potential of Eisenia fetida (Redworm) in composting different types of waste, namely tea waste (TW), vegetable waste (VW) (leaves of cauliflower), and mixed food waste (MFW). Method The experiment was set up inside the Lab room during the summer. For vermicompost preparation, 27 equal size vermi beds...

This study has focused on petrography, geochemistry, radiochemical, and leaching properties of coal combustion residues (CCRs), their leachates and nearby waters from the Barapukuria coal-fired power-plant to evaluate the potential environmental impacts and human health hazards for the first in Bangladesh. The CCRs, used in this study are predomina...

Antimony trisulfide (Sb2Se3), a non-toxic and accessible substance, has possibilities as a material for use in solar cells. The current study numerically analyses Sb2Se3 solar cells through the program Solar Cell Capacitance Simulator (SCAPS). A detailed simulation and analysis of the influence of the Sb2Se3 layer’s thickness, defect density, band...

In this work, hematite with titanium dioxide (α-Fe2O3/TiO2) heterojunctions with palladium (Pd) nanoparticles were synthesised to improve efficiency of photocatalytic hydrogen production. α-Fe2O3 was loaded onto TiO2 surfaces, then Pd nanoparticles were deposited to make a ternary photocatalyst. The chemical composition, morphology and surface prop...

Para rubber feedstock production potential was explored in Hat Yai district. The study focused on the respondent’s socioeconomic status, feedstock production potential, and mapped the relevant actors along the supply chain. Structured questionnaires were administered to 117 respondents chosen through random and purposeful sampling. The descriptive...

New technologies need environmental and economic cooperation. Energy consumption is fundamental to human survival, making sustainable development imperative. When discussing energy production, renewable resources such as solar and wind energy are chosen to satisfy future demands. Solar energy is frequently used owing to its availability and several...

Uzbekistan is a developing country where energy demand is rising, and it has many problems in the energy supply sector. This issue leads to a mismatch between energy consumption and supply in this country. Most of the country’s energy supply comes from natural gas. A major part of Uzbekistan’s energy demand can be provided by solar power. The purpo...

This study of a downstream segment (Brahmaputra, Bangladesh) of one of the longest transboundary (China-India-Bangladesh) Himalayan rivers reveals elevated radioactivity compared to other freshwater basins across the world. Naturally occurring radioactive nuclides (226 Ra, 232 Th, and 40 K) and metal contents (transition metals, Fe, Ti, Sc, and V;...

The new millennium has witnessed a pervasive shift of trend from AC to DC in the residential load sector. The shift is predominantly due to independent residential solar PV systems at rooftops and escalating electronic loads with better energy saving potential integrated with diminishing prices as well as commercial availability of DC-based applian...

The battle of currents between AC and DC reignited as a result of the development in the field of power electronics. The efficiency of DC distribution systems is highly dependent on the efficiency of distribution converter, which calls for optimized schemes for the efficiency enhancement of distribution converters. Modular solid-state transformers...

Abstract Drought variability analysis is of utmost concern for planning and efficiently managing water resources and food security in any specific area. In the current study, drought spell occurrence has been investigated in the Balochistan province of Pakistan during the past four decades (1981-2020) using standardized precipitation index (SPI), r...

The antimony sulphide (AnS) solar cell is a relatively new photovoltaic technology. Because of its attractive material, optical, and electrical qualities, Sb2Se3 is an excellent absorption layer in solar cells, with a conversion efficiency of less than 8%. The purpose of this research is to determine the best parameter for increasing solar cell eff...

Hydrogen as an energy carrier can play a significant role in reducing environmental emissions if it is produced from renewable energy resources. This research aims to assess hydrogen production from wind energy considering environmental, economic, and technical aspect for the East Azerbaijan province of Iran. The economic assessment is performed by...

Climate change mitigation efforts are in dire need of greener and more versatile fuel alternatives to fossil fuels. Green hydrogen being both renewable and flexible has the potential to offset fossil fuels as the primary fuel source. Countries around the world are planning to develop their green hydrogen industries and accurate potential assessment...

Of late, ZnO nanoparticles have been regarded as favourable material for designing highly sensitive and selective gas sensors owing to their striking and multifunctional features. A facile sol–gel process chemical technique was used in this study for the preparation of undoped ZnO nanoparticles. By deploying x-ray diffraction (XRD), transmission el...

This study models and optimizes the CsGeI3-based perovskite solar cell with an n-i-p for practical fabrication. This simulation determined that PCE has practically saturated over 700 nm of thickness, and the increase rate is barely 0.15 percent up to 1100 nm. a thickness of 700 nm as the ideal thickness for further investigation. Proposed structure...

This study investigated the characteristics of biochars derived from the pyrolysis of rubberwood sawdust (RWS) and sewage sludge (SS) and their co-pyrolysis at mixing ratios of 50:50 and 75:25. Biochars were produced at 550 °C through slow pyrolysis in a moving bed reactor and then characterized. Results showed that the rubberwood sawdust biochar (...

Daily per capita waste generation will increase by 40% and 19%, for developing and developed countries by 2050, respectively. The World Bank estimates that total waste generation is going to triple in Sub-Saharan Africa (SSA) and double in South Asia (SA) by 2050. This article conducts a rapid review and aims to demonstrate the current waste manage...

Microorganisms are an essential part of life on the earth and can exist in association with virtually any living thing. The environmental microbiome is much more diverse than the human microbiome. It is reported that most microbes existing in the environment are difficult to culture in the laboratory. Whereas both pathogenic and beneficial microbes...

Crises related to water scarcity and air pollution are major problems in the world today. An important issue regarding wasting of the water is surface evaporation from reservoirs. If the surface of the pond is shaded, evaporation is largely prevented. The use of solar panels on surface of water, simultaneously reduces water evaporation and increase...

Drying is a common practice for delaying deterioration, preserving quality, and easier prolonged storage of agricultural products. According to the climatic and geographical conditions of Arsanjan County, Fars, Iran. So far, many studies have been conducted on the design and use of various barriers on absorber plates with the aim of increasing heat...

This study assessed suitable smart grid areas for power generation and distribution from solar and small hydro energy resources in Western Uganda by employing the fuzzy analytic hierarchy process (AHP) based on geographic information system (GIS) data. This was performed based on the selected economic, environmental, and technical criteria by the a...

Human exposure to phthalate esters (PAEs) via drinking water has generated public health concerns due to their endocrine disruptive abilities. This study reports on the occurrence and fate of six PAEs in raw and tap water samples collected from provincial waterworks located in Songkhla Province, Southern Thailand. In addition, the daily exposure an...

One major concern about foreign direct investment (FDI) is the potential negative environmental impact due to increased CO2 emissions. However, there is a possibility that FDI mitigates CO2 emissions through green innovation and creates a cleaner environment. In the existing literature, there is no significant empirical evidence on the linkage amon...