Abstract
Abstract. This paper presents the development of MASDAN, an integrated platform consisting of a mobile application and a web-GIS interface for monitoring the Manila Bay environment. The MASDAN mobile application uses citizen science and Volunteered Geographic Information (VGI) to collect data on specific environmental issues. It also serves as an information, education, and communication (IEC) tool for its users. The MASDAN Monitoring Interface is a centralized citizen report assessment tool for local authorities and environmental agencies to validate and monitor environmental reports within their area of jurisdiction. These two components create a two-way flow of information between citizens and authorities, ensuring prompt and information-driven actions to environmental issues affecting the Manila Bay and linked environments.
Highlights
The Manila Bay watershed region covers a coastline length of 190 km and a surface area of 1,700 sq km (Jacinto et al, 1998; Jacinto et al, 2006)
The bay has been exposed to extensive anthropogenic impacts resulting in environmental challenges such as problems due to solid wastes and water quality deterioration including hypoxia and harmful algal blooms (Sotto et al, 2014; Chang et al, 2009; Regmi, R.K., 2018)
In the past four decades, declining water quality in the area has been indicated by the occurrence of hypoxia and increased microbial activity due to the eutrophication and chemical pollution caused by the increased urban activity (Chang et al, 2009)
Summary
The Manila Bay watershed region covers a coastline length of 190 km and a surface area of 1,700 sq km (Jacinto et al, 1998; Jacinto et al, 2006). It is home to more than 32 million people (Philippine Statistics Authority, 2020). It is rich in natural resources making it a vital resource for many basic needs and livelihood of Filipinos in the region (Jacinto et al, 2006). The bay has been exposed to extensive anthropogenic impacts resulting in environmental challenges such as problems due to solid wastes and water quality deterioration including hypoxia and harmful algal blooms (Sotto et al, 2014; Chang et al, 2009; Regmi, R.K., 2018). Aside from this, solid waste problems in nearby areas contribute to higher risks of flooding especially for areas near the rivers connected to the Manila Bay (Regmi, R.K., 2018; Jacinto et al, 2006)
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