Big Bang| A Flood of Ideas
A Flood of Ideas
River Aware
Summary
Urban rivers are often neglected in the reality of Brazilian urban expansion. They are grounded, buffered, informally occupied and undergo so many other intervention.In this way, the Big-bang team developed a proposal for a web and android application to monitor the progress of the urban area over water bodies.
How We Addressed This Challenge
INTRODUCTION
Rampant - and often disordered - urban growth coupled with a lack of investment by the government and the absence of public awareness campaigns - or more profoundly, a lack of quality public education - means that a considerable portion of Brazilian rivers do not receive the treatment it would deserve. Absence of sanitation systems and industrial waste disposal are major villains in this scenario. Currently, the 500 largest rivers on the planet face problems with pollution, according to data from the World Water Commission.
Urban rivers are often neglected in the reality of Brazilian urban expansion. They are grounded, buffered, informally occupied and undergo so many other intervention.
With the purpose of assisting governments in preserving rivers, streams and healthy maintenance of cities, the River Aware application uses satellites and artificial intelligence to calculate the appropriate security area for urban expansion near rivers and streams,creating alerts to authorities about a possible expansion in hazardous areas.
WHAT IS IT?
A satellite monitoring program for the advancement of the urban area over rivers and streams.
HOW DOES IT WORK?
Through the analysis of satellite images via AI that sends alerts on rivers in which urban areas are approaching beyond the environmentally acceptable distance. The analysis is performed using satellite images. Artificial intelligence makes standard deviation calculations for changes in shapes in river beds, identifying what their actual occupation area is.
WHY?
So that the development of cities becomes more sustainable and that the growth of developing cities is attentive to urban rivers and their maintenance.
How We Developed This Project
For a first moment, the River Aware application must have functionality to identify water bodies and constructions around it so that it can make a calculation and delimit a safe area.
It was also seen that a simple design with few steps is of great importance so that the widest range of users can use the application without difficulties
Standard web techniques that are preferred for developing hybrid applications include CSS, HTML 5 and JavaScript. These applications are typically divided into two parts - backend and native shell. Hybrid applications can run on all platforms and offer access to the API.
The three most used frameworks here are: Cordova, Sencha Touch 2 and Ionic.
And behind this application will run artificial intelligence scripts using specific libraries for computer vision such as open cv using the python programming language and data processing services like AWS from amazon and the data that will be used from satellite
How We Used Space Agency Data in This Project
The NASA data used in our project are images from MODIS, which is a scientific instrument launched into Earth's orbit by NASA in 1999 on the Earth satellite and in 2002 on the Aqua satellite. These images were used to observe the rivers at different times, to guarantee a mapping in times of drought and floods, thus making an area of maximum risk, where it will be the limit on which the houses can be built. If urban growth exceeds this limit, an alert will be sent so that precautions are taken. This alert can be issued through a report (e-mail, in the case of government users) or a quick alert (SMS, for users of individuals).
Project Demo
Data & Resources
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