Different constructions to guard the ocean embody establishing 18 groynes on the shores of the Eko Atlantic. A groyne is a construction constructed to entice sand and stop it from washing into the ocean. These put in at Eko Atlantic are every spaced 400m (1,300ft) aside and span a distance of seven.2km (4.5 miles). Additional groynes have been proposed to cowl as much as 60km (37.3 miles) of the state’s shoreline, with officers estimating this might cost $1bn (£800m), the Information Company of Nigeria reported.
Flood forecasting
Whereas structural coastal defences is perhaps a number of the most seen interventions to counter flooding, one of many least seen might be no less than as vital for the town’s resilience.
Nigeria’s federal authorities have designed the Flood Cellular App to make predictions that might purchase coastal areas the time to make enough preparations to guard besieged cities like Lagos. The app is available online and supplies real-time flood forecasting details about a selected location, utilizing knowledge collected by the Nigeria Hydrological Service Company (NIHSA).
The app covers a wider area than an earlier service, WetIn App, which was designed by Nigeria’s agriculture ministry. The WetIn App solely targets farmers in three flood-prone states of the federation, giving warnings 4 days earlier than an anticipated catastrophe. Previous to this, the authorities needed to depend on media similar to magazines, radio and tv to get the phrase out about an imminent flood.
NIHSA is assured that the brand new Flood Cellular App will assist individuals monitor daily flooding risks anywhere in Nigeria. Already, some early indicators urging individuals to be on alert have started playing out, as torrential rains flood the roads in enterprise and residential districts. Although sensible system penetration stays comparatively low amongst all however the youthful inhabitants in cities, leaving out potential customers within the rural areas and people with out cell phones.
With out adjustments like these and plenty of others, sea level rise this century would displace millions in Lagos, with low-lying districts like Makoko among the most vulnerable. However by studying to stay on the ocean and its waterways, defending the town’s coast and understanding when inundation is almost certainly, Africa’s largest metropolis is leveraging its ingenuity to remain afloat.
—
The emissions from journey it took to report this story had been 0kg CO2. The digital emissions from this story are an estimated 1.2g to three.6g CO2 per web page view. Find out more about how we calculated this figure here.
—
Be part of a million Future followers by liking us on Facebook, or observe us on Twitter or Instagram.
In the event you appreciated this story, sign up for the weekly bbc.com features newsletter, referred to as “The Important Checklist”. A handpicked choice of tales from BBC Future, Culture, Worklife, and Travel, delivered to your inbox each Friday.
