Results 1 - 10 of 11 (Sorted by date)
Peer-reviewed Article
In Land
Author:
Saeid
Gharechelou
Ryutaro
Tateishi
In this study, we measured and characterized the relative dielectric constant of mineral soils over the 0.3–3.0 frequency range, and compared our measurements with values of three dielectric constant simulation models (the Wang, Dobson, and Mironov models). The interrelationship between land cover and soil texture with respect to the dielectric...
Peer-reviewed Article
In Remote Sensing
Author:
Saeid
Gharechelou
Ryutaro
Tateishi
Generally, the characterization of land surface roughness is obtained from the analysis of height variations observed along transects (e.g., root mean square (RMS) height, correlation length, and autocorrelation function). These surface roughness measurements are then used as inputs for surface dynamics modeling, e.g., for soil erosion modeling...
Peer-reviewed Article
In Remote Sensing
Author:
Hossein
Vahidi
Brian
Klinkenberg
L. Monika
Moskal
Wanglin
Yan
This paper presents a collective sensing approach that integrates imperfect Volunteered Geographic Information (VGI) obtained through Citizen Science (CS) tree mapping projects with very high resolution (VHR) optical remotely sensed data for low-cost, fine-scale, and accurate mapping of trees in urban orchards. To this end, an individual tree crown...
Peer-reviewed Article
In PLoS ONE
Author:
Yuichi Kano
David Dudgeon
So Nam
Katsutoshi Watanabe
Chaiwut Grudpan
Jarungjit Grudpan
Wichan Magtoon
Prachya Musikasinthorn
Phuong Thanh Nguyen
Bounthob Praxaysonbath
Tomoyuki Sato
Koichi Shibukawa
Yukihiro Shimatani
Apinun Suvarnaraksha
Wataru Tanaka
Phanara Thach
Dac Dinh Tran
Tomomi Yamashita
Kenzo Utsugi
Both hydropower dams and global warming pose threats to freshwater fish diversity. While the extent of global warming may be reduced by a shift towards energy generation by large dams in order to reduce fossil-fuel use, such dams profoundly modify riverine habitats. Furthermore, the threats posed by dams and global warming will interact: for...
Peer-reviewed Article
In Renewable Energy
Author:
Waste-to-Energy (WtE) technologies seem to be an option to tackle the growing waste management problems in developing Asia. This paper presents a quantitative assessment of the environmental and economic attributes of two major WtE technologies: landfill gas to energy (LFG-to-energy) and incineration in Thai cities. Net greenhouse gas (GHG)...
Peer-reviewed Article
In Applied Geography
This study provides a computationally-simple method to annually update existing national forest maps and model future forest change. It involves integrating national forest maps and global tree cover maps to monitor annual forest change, and then modeling future change by linear extrapolation of the historical trend.
Peer-reviewed Article
In Journal of ISSAAS
Biofuels are often presented as an environmentally friendly alternative to fossil fuels, however, empirical analysis that is widely reported in the literature shows that biofuel production can have negative environmental and social impacts. The potential for these negative impacts can be avoided through careful planning of biofuel feedstock...
Peer-reviewed Article
In ISPRS International Journal of Geo-Information
A new method was developed for mapping forest, agricultural, and urban land cover using remote sensing imagery. It is designed to better detect small land cover objects (e.g. small forest or agricultural patches) and monitor their change (e.g. fine-scale deforestation) using freely-available satellite imagery.
Peer-reviewed Article
In ECO: The Korean Journal of Environmental Sociology
From North Asia's "airpocalypses" to South Asia's water crisis, the signs that Asia needs to transition to more sustainable development models are as clear as they are compelling. There is also an equally compelling body of literature on how countries can transition to more sustainable development models. However, much of the sustainable...
Peer-reviewed Article
In ISPRS International Journal of Geo-Information
This study evaluated the effects of image pansharpening on Vegetation Indices (VIs) in an agricultural area of Thailand, and found that pansharpening was able to downscale single-date and multi-temporal VI data without introducing significant distortions. The downscaled (15m resolution) VI values can be used for estimating above-ground biomass...