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Environments, Volume 6, Issue 2

2019 February - 18 articles

Cover Story: Despite their diffusion, common noise barriers present issues that sometimes hinder installation, such as sound reflection, diffraction at edges, and reduction of the field of view, natural light, and air flow. Thus, recently, sonic crystals are being studied, combined with Bragg diffraction with Helmholtz resonators and material absorption properties. Research is focused on using wood, PVC, aluminum, or scatterers covered by tire rubber, thus fully embracing the concept of green and circular economy. View Paper here.
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Articles (18)

  • Article
  • Open Access
22 Citations
6,437 Views
14 Pages

Concentration of Organotin and Booster Biocides in Sediments of Seagrass Area from Sungai Pulai Estuary, South of Johor, Malaysia

  • Aqilah Mukhtar,
  • Ferdaus Mohamat-Yusuff,
  • Syaizwan Zahmir Zulkifli,
  • Hiroya Harino,
  • Ahmad Ismail and
  • Koji Inoue

Antifouling compounds are widely used in paints applied on ship hulls to prevent attachment of fouling organisms. However, a certain amount of these chemicals could leach from the painted surface, enter seawater, and pose deleterious effects on vario...

  • Article
  • Open Access
58 Citations
13,192 Views
15 Pages

Land-Use Change Detection with Convolutional Neural Network Methods

  • Cong Cao,
  • Suzana Dragićević and
  • Songnian Li

Convolutional neural networks (CNN) have been used increasingly in several land-use classification tasks, but there is a need to further investigate its potential. This study aims to evaluate the performance of CNN methods for land classification and...

  • Article
  • Open Access
52 Citations
17,313 Views
11 Pages

Sustainable access to safe drinking water remains a global problem as more people in the world still consume water from unimproved sources. This study was carried out to evaluate the quality of 12 different water sources and 2 treated water used by a...

  • Article
  • Open Access
7 Citations
6,878 Views
17 Pages

Noise Events Monitoring for Urban and Mobility Planning in Andorra la Vella and Escaldes-Engordany

  • Rosa Ma Alsina-Pagès,
  • Robert Garcia Almazán,
  • Marc Vilella and
  • Marc Pons

Noise pollution is a critical factor and it has an important impact on public health, with the relationship between road traffic noise (RTN) and several illnesses in urban areas of particular concern. Andorra is currently developing a national strate...

  • Review
  • Open Access
79 Citations
25,086 Views
16 Pages

Anthropocene Crisis: Climate Change, Pollinators, and Food Security

  • Jennifer Marshman,
  • Alison Blay-Palmer and
  • Karen Landman

In this paper, we propose a new approach—understood as a whole-of-community approach—to address a dualistic and dysfunctional human/nature relationship. Of particular concern is the decline in health and numbers of the insects that pollin...

  • Article
  • Open Access
17 Citations
5,977 Views
9 Pages

In order to understand the distribution characteristics of organic carbon (OC) and elemental carbon (EC) in PM2.5 in Changchun; China; PM2.5 samples were collected from April 2017 to December 2017 using the KC-120H particulate matter sampler; and the...

  • Article
  • Open Access
33 Citations
6,602 Views
15 Pages

Best Management Practices (BMPs) are commonly used to control pollution in the river basins. Prioritization of BMPs helps improve the efficiency and effectiveness of pollution reduction, especially in Critical Source Areas (CSAs) that produce the hig...

  • Article
  • Open Access
20 Citations
9,064 Views
26 Pages

Performance Assessment Model for Municipal Solid Waste Management Systems: Development and Implementation

  • Hatem Abdulaziz AlHumid,
  • Husnain Haider,
  • Saleem S. AlSaleem,
  • Majed Alinizzi,
  • Md. Shafiquzaman and
  • Rehan Sadiq

Most of the municipalities in the Gulf region are facing performance-related issues in their municipal solid waste management (MSWM) systems. They lack a deliberate inter-municipality benchmarking processes. Instead of identifying the performance gap...

  • Article
  • Open Access
17 Citations
7,153 Views
10 Pages

River deltas boast ecosystem richness, but their efficient conservation and management require consideration of the full spectrum of natural phenomena, including those which are geological. Few specialists have explored the issue of deltaic geologica...

  • Article
  • Open Access
4 Citations
5,931 Views
13 Pages

A method for the determination of polychlorinated biphenyls (PCBs) in caulk and glazing materials was developed and evaluated by application to a combination of 36 samples of caulk and glazing materials, from four schools in the northeastern area of...

  • Article
  • Open Access
31 Citations
9,556 Views
12 Pages

Biogas Production by Co-Digestion of Canteen Food Waste and Domestic Wastewater under Organic Loading Rate and Temperature Optimization

  • Cheerawit Rattanapan,
  • Lalita Sinchai,
  • Thunwadee Tachapattaworakul Suksaroj,
  • Duangporn Kantachote and
  • Weerawat Ounsaneha

The objective of this study was to characterize biogas production performance from the co-digestion of food waste and domestic wastewater under mesophilic (35 ± 1 °C) and thermophilic (55 ± 1 °C) conditions. The food waste used...

  • Article
  • Open Access
3 Citations
6,881 Views
9 Pages

Formation of Secondary Organic Aerosols by Germicidal Ultraviolet Light

  • Eureka Choi,
  • Zhongchao Tan and
  • William A. Anderson

Ultraviolet (UV) light with a wavelength of 254 nm is known to be germicidal, and thus has been increasingly employed as a method of disinfection for indoor environments. Solar UV wavelengths (300 to 400 nm) are known to initiate the formation of sec...

  • Review
  • Open Access
89 Citations
11,069 Views
19 Pages

Recent Developments in Sonic Crystals as Barriers for Road Traffic Noise Mitigation

  • Luca Fredianelli,
  • Lara Ginevra Del Pizzo and
  • Gaetano Licitra

Noise barriers are the most widespread solution to mitigate noise produced by the continuous growth of vehicular traffic, thus reducing the large number of people exposed to it and avoiding unpleasant effects on health. However, conventional noise ba...

  • Article
  • Open Access
40 Citations
16,005 Views
15 Pages

This study examined how the regional manifestations of climate change effects and students’ involvement in various climate-related clubs and activities influenced their knowledge and awareness of climate change. Key knowledge gaps and their imp...

  • Article
  • Open Access
17 Citations
6,252 Views
19 Pages

Bat boxes are commonly used as a conservation tool. Detailed knowledge on the influence of box elements on microclimate is lacking, despite eco-physiological implications for bats. Summer and winter box temperature and relative humidity patterns were...

  • Article
  • Open Access
19 Citations
20,144 Views
20 Pages

Land Use/Land Cover Change Detection and Urban Sprawl Analysis in the Mount Makiling Forest Reserve Watersheds and Buffer Zone, Philippines

  • Merlyn Soriano,
  • Noba Hilvano,
  • Ronald Garcia,
  • Aldrin Joseph Hao,
  • Aldin Alegre and
  • Cristino Tiburan, Jr.

Ecologically Valuable Areas play an important role in providing ecosystem services, however, human activities such as land conversion and urban sprawl pose pressures and threats to these areas. The study assessed the land use/land cover and urban spr...

  • Article
  • Open Access
23 Citations
15,448 Views
17 Pages

The effect of urbanization of Metro Manila, particularly on the amount of sensible heat flux, rainfall and temperature of selected urban and rural areas, was investigated using the Weather Research and Forecasting Version 3.4.1 (WRFV3.4.1) model. Nat...

  • Article
  • Open Access
2 Citations
7,010 Views
12 Pages

Watershed and Pahu-anCave Stream Interconnectivity in Bonliw, Torrijos, Marinduque, Philippines

  • Doreen R. Mascareñas,
  • Roy Olsen D. de Leon and
  • Efren L. Delos Reyes

Marinduque Island is characterized as having a karst landscape with caves having underground streams harboring a variety of freshwater organisms including freshwater shrimps which are dependent on the quality of the forest and watershed. This study a...

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Environments - ISSN 2076-3298