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VOL. 10, ISSUE 12 (2023)
Development of flash flood warning system for road users in Port Harcourt metropolis
Authors
Mokwe Uju Vivian, Omijeh Bourdillon O, Eludoyin olatunde S, Okeke Remigius Obinna
Abstract
Flash floods, which
combine the destructive power of a flood with exceptionally rapid speeds, are
the most dangerous kind of flooding. The goal of this project is to develop a
flash flood warning system that uses a mobile device to detect floods and
immediately alert drivers via Rumuigbo, Port Harcourt's Nkpolu Road. Along with
rainfall data gathered from the Nigeria Meteorological Agency (NIMET), soil
samples obtained from Nkpolu Road were brought to the lab and analysed. The
measurement device was built based on the analysis of the soil sample and
rainfall data. The system incorporates the following components: the Arduino
microcontroller, the SHT20 soil temperature/humidity sensor, the DFRobot
gravity pH sensor, the SIM900L data transfer module, and the HC-SR04 ultrasonic
sensor. The
study indicates that the soil types on Nkpolu Road are sandy loam and loamy
sand, and that July through September is typically the wettest month in terms
of rainfall intensity. According to the analysis's findings, the road
frequently saw flash floods as a result of the intense downpour and the soil's
poor water-holding ability. Consequently, there was a lot of water runoff,
especially in July and September. The system on Nkpolu Road was designed to
send out warning messages via a mobile device every six minutes and to identify
flash floods when it rained. When the rain started to come down, the alerts would progress from
saying "no flooding" to "minor flooding," "moderate
flooding," and eventually "severe flooding." They would then
send out warnings in real time as soon as each degree of flooding was
determined. The warning that day that it rained was "no flooding".
When it didn't rain at all, no warning signal was sent. When the Nkpolu Road
floods, this technology helps drivers avoid the area and instantly switch to
another route that is open.
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Pages:34-41
How to cite this article:
Mokwe Uju Vivian, Omijeh Bourdillon O, Eludoyin olatunde S, Okeke Remigius Obinna "Development of flash flood warning system for road users in Port Harcourt metropolis". International Journal of Multidisciplinary Research and Development, Vol 10, Issue 12, 2023, Pages 34-41
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