Crowdmapping relies on , which allows the public to contribute data. During a crisis, volunteers trace features using satellite imagery in a process called an activation. While this method is fast and cost-effective, critics worry about the accuracy of data produced by untrained volunteers. To solve this, senior cartographers perform 7) ______________ to check the work of new volunteers. However, reliance on the internet can be a problem due to the 8) ______________ .
On the one hand, crowdmapping allows authorities to respond faster and more accurately. During earthquakes or floods, for instance, citizens can report trapped individuals, blocked roads, or urgent needs via apps like Ushahidi or Google Crisis Map. These real-time inputs give emergency services a dynamic, people-centred picture of the situation – far superior to slow, top-down reporting. A clear example is the 2015 Nepal earthquake, where crowdmapped data helped prioritise rescue zones within hours. Thus, when speed saves lives, crowdmapping proves invaluable. crowdmapping ielts reading answers free
: A major focus is on data accuracy. Since the information is crowdsourced, verifying its reliability in high-stakes situations is a recurring theme in the questions. Quick Tips for This Passage Identify Question Types : This passage often uses Multiple Choice Sentence Completion Crowdmapping relies on , which allows the public
(The primary tool used by citizens to send reports) During earthquakes or floods, for instance, citizens can
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