Marije ten Napel

Marije ten Napel

Marije ten Napel is a Scientist in the Queensland Government’s Water Quality and Investigations Team. She uses Remote Sensing and ESRI Web Applications to create innovative ways of visualising data and communicating this data to stakeholders.

Using Geospatial Tools to Tell a Story About Water Quality in the Great Barrier Reef Catchments

The Water Quality & Investigations Team (WQI) of the Department of Environment and Science (DES) has created two ESRI Web Apps to present results of the Great Barrier Reef Catchment Loads Monitoring Program (GBRCLMP), which is part of the Reef 2050 Water Quality Improvement Plan (WQIP). This symposium is a unique opportunity to present the innovative application, visualisation, and delivery of spatial data by DES for WQI products and services. Because of rapid transformations in the geospatial technology field, and with GIS becoming more powerful and accessible, it is essential that we utilise its capabilities, make the most of our resources, and present our data to the widest possible audience in an interactive, engaging, and dynamic way. This will ensure that our data has a far greater reach than previous PDF reports did. Our StoryMap presents a summary of the GBRCLMP results by providing measures of annual loads (mass) of total suspended solids, nutrients (nitrogen and phosphorus) and pesticides from catchments discharging to the Great Barrier Reef. As users read our story, view images, and explore maps, water quality trends and the effects of extreme weather events (e.g. cyclones) on water quality become evident. Our interactive and dynamic data Dashboard shows the data behind our StoryMap in more detail, with all Water Quality Investigation results being freely available for download. Our innovative spatial communication tools help users make data driven decisions on water quality management to improve Reef health and water quality, while working towards The Reef 2050 WQIP outcome:  “Good water quality sustains the Outstanding Universal Value of the Great Barrier Reef, builds resilience, improves ecosystem health and benefits communities”.


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