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Dr.
 Brian JOHNSON

Results 1 to 10 of 90 (Sorted by date)
Peer-reviewed Article

Participatory Approach for More Robust Water Resource Management: Case Study of the Santa Rosa Sub-Watershed of the Philippines

In Water
Author:
Ram
Avtar
Shamik
Chakraborty
Damasa
Macandog
Due to the cumulative effects of rapid urbanization, population growth and climate change, many inland and coastal water bodies around the world are experiencing severe water pollution. To help make land-use and climate change adaptation policies more effective at a local scale, this study used a combination of participatory approaches and computer...
Keywords:
water quality; WEAP; climate change adaptation; urbanization; domestic wastewater
Peer-reviewed Article

Monitoring Effect of Spatial Growth on Land Surface Temperature in Dhaka

In Remote Sensing
Author:
Md. Mustafizur
Rahman
Ram
Avtar
Ali P.
Yunus
Jie
Dou
Prakhar
Misra
Wataru
Takeuchi
Netrananda
Sahu
Ali
Kharrazi
Shamik
Chakraborty
Tonni Agustiono
Kurniawan
Spatial urban growth and its impact on land surface temperature (LST) is a high priority environmental issue for urban policy. Although the impact of horizontal spatial growth of cities on LST is well studied, the impact of the vertical spatial distribution of buildings on LST is under-investigated. This is particularly true for cities in sub...
Keywords:
spatial growth; LST; TanDEM-X -DSM; building height; urban planning
Book Chapter

Mapping the Current Understanding of Biodiversity Science–Policy Interfaces

In Managing Socio-ecological Production Landscapes and Seascapes for Sustainable Communities in Asia
Author:
This chapter contributes to improve an understanding of the effectiveness of different biodiversity science-policy interfaces (SPIs), which play a vital role in navigating policies and actions with sound evidence base. The single comprehensive study that was found to exist, assessed SPIs in terms of their ‘features’—goals, structure, process...
Keywords:
natural capital
ecosystem services
SPI
science-policy dialogue
transdisciplinary
Environmental Policy
biodiversity policy
stakeholder participation
CRELE
IPBES
knowledge holder
policy impact
trust building
Peer-reviewed Article

Citizen science and invasive alien species: An analysis of citizen science initiatives using information and communications technology (ICT) to collect invasive alien species observations

In Global Ecology and Conservation
Author:
Owing to the huge number of species observations that can be collected by non-professional scientists, “citizen science” has great potential to contribute to scientific knowledge on invasive alien species (IAS). Citizen science has existed for centuries, but the recent adoption of information and communications technology (ICT) in this field (e.g...
Peer-reviewed Article

Mineral Soil Texture–Land Cover Dependency on Microwave Dielectric Models in an Arid Environment

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

Remote sensing algorithms for estimation of fractional vegetation cover using pure vegetation index values: A review

In ISPRS Journal of Photogrammetry and Remote Sensing
Author:
Lin
Gao
Xiaofei
Wang
Qingiu
Tian
Yu
Wang
Jochem
Verrelst
Xihan
Mu
Xingfa
Gu
Green fractional vegetation cover (fc) is an important phenotypic factor in the fields of agriculture, forestry, and ecology. Spatially explicit monitoring of fc via relative vegetation abundance (RA) algorithms, especially those based on scaled maximum/minimum vegetation index (VI) values, has been widely investigated in remote sensing research...
Peer-reviewed Article

Hydrological Simulation for Predicting the Future Water Quality of Adyar River, Chennai, India

In International Journal of Environmental Research and Public Health
Author:
Manish
Ramaiah
Ram
Avtar
Binaya Kumar
Mishra
Just a few decades ago, Adyar River in India’s city of Chennai was an important source of water for various uses. Due to local and global changes (e.g., population growth and climate change), its ecosystem and overall water quality, including its aesthetic value, has deteriorated, and the water has become unsuitable for commercial uses. Adverse...
Peer-reviewed Article

Local climate zone (LCZ) map accuracy assessments should account for land cover physical characteristics that affect the local thermal environment

In Remote Sensing
Author:
Shahab
Jozdani
Local climate zone (LCZ) maps are increasingly being used to help understand and model the urban microclimate, but traditional land use/land cover map (LULC) accuracy assessment approaches do not convey the accuracy at which LCZ maps depict the local thermal environment. 17 types of LCZs exist, each having unique physical characteristics that...
Peer-reviewed Article

Comparing Deep Neural Networks, Ensemble Classifiers, and Support Vector Machine Algorithms for Object-Based Urban Land Use/Land Cover Classification

In Remote Sensing
Author:
Shahab
Jozdani
Dongmei
Chen
With the advent of high-spatial resolution (HSR) satellite imagery, urban land use/land cover (LULC) mapping has become one of the most popular applications in remote sensing. Due to the importance of context information (e.g., size/shape/texture) for classifying urban LULC features, Geographic Object-Based Image Analysis (GEOBIA) techniques are...
Peer-reviewed Article

Integrating spatial accessibility estimates derived from crowdsourced, commercial, and authoritative geo-datasets: Case study of mapping accessibility to urban green space in the Tokyo-Yokohama area

In Proceedings of the International Cartographic Association
Author:
Shizuka
Hashimoto
Akio
Onishi
Parks and other public green spaces (hereafter “urban green spaces”) provide many benefits to urban dwellers, but some residents receive few benefits due to a lack of urban green spaces nearby their home/workplace. Understanding spatial variations in urban green space accessibility is thus important for urban planning. As a case study, here we...
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