Impacts of Human Activities on Groundwater Quality in Guam, Mariana Islands

By Yuming Wen.

Published by The Sustainability Collection

Format Price
Article: Print $US10.00
Article: Electronic $US5.00

The population in Guam, Mariana Islands tripled between 1960 and 2010. Human induced activities have played an important role in environmental and landscape changes and environmental pollution, including water contamination. This research focuses on how human activities affect groundwater quality in Guam. In order to evaluate the impacts of human induced activities on groundwater quality, LandSat Multi-Spectral Scanner (MSS) image of 1973, QuickBird image of 2006, historical groundwater quality data, and recent ground water quality data from 1996 to 2009 provided by Guam Waterworks Authority are applied. The satellite imagery can be utilized to extract areas affected by human activities and other features. The water quality data stored in spreadsheet format can be geo-coded to GIS data formats, and then can be analyzed with information derived from satellite imagery to evaluate the relationship between human induced activities and groundwater quality in space and time. Conclusions from this research indicate that drinking wells with water quality issues are affected by human activities.

Keywords: Groundwater Quality, Satellite Imagery, GIS, Remote Sensing

The International Journal of Environmental, Cultural, Economic and Social Sustainability, Volume 7, Issue 5, pp.243-256. Article: Print (Spiral Bound). Article: Electronic (PDF File; 4.688MB).

Dr. Yuming Wen

Associate Professor of GIS, Water and Environmental Research Institute, University of Guam, Mangilao, GU, USA

I graduated with a Ph.D. in Environmental Sciences with emphasis on GIS, Spatial Analysis and Modeling, and Remote Sensing from the University of Rhode Island, USA in 2004. Since graduation, I have worked as Assistant Professor of GIS, and then Associate Professor of GIS with the Water and Environmental Research Institute, University of Guam, USA. I am interested in GIS, spatial analysis and modeling, remote sensing and GPS, applications of GIS and related technologies in water and environmental issues, land cover and land use change, and digital image processing and analysis. I manage a GIS Lab at the University of Guam, conduct GIS and related projects, teach GIS courses, and provide GIS training courses or workshops.


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