Summary
Scientists measure how deep the water is to keep the paths clear.
New computer maps show where boats can travel safely.
The lights run on sunshine and even have playgrounds nearby.
Key Points
5 points1
Four new river lights are being built on the Brahmaputra river.
2
The lights are 20 meters tall and work with solar power.
3
Moving goods by water costs less and makes less pollution.
4
Digital charts let captains plan trips on phones or computers.
5
Regular surveys check river depth to avoid getting stuck.
New Words to Learn
14 wordshydrographic
studying water depth and shape of river floors
navigation
finding the right way to travel on water
lighthouse
a tall tower with bright lights that helps boats know where they are
solar-powered
using energy from the sun
cargo
goods or items that are carried on a ship
freight
large amounts of goods moved by transport
channel
the part of a river that is deep enough for boats
survey
a careful check or measurement
depth
how deep the water is
riverine
related to a river
digital
using computers or electronic devices
platform
an online place where information is shared
sensor
a device that measures things like weather
meteorological
relating to weather
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