Control

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An artist visualization of a month in Australia fire Data

maps and images of Australia, the unprecedented Bush fires have spread in the Social Media .

users can book you an awareness of the devastating fires, but some of the viral maps are misleading, and the spread of disinformation about The Crisis .

The months-long fire killed at least 25 people and millions of animals, and.

After the milder weather brief respite brought on the last weekend, fire crews are preparing again for extreme conditions, as temperatures are expected to rise on Friday.

artist's visualization misinterpreted

An image is disseminated, the interpreted was of Twitter users, including singer Rihanna, as a map, spread it on the live extent of the fire, with the large parts of the Australian coast, molten-red and fiery.

But it artist Anthony Hearsey is actually 's visualization, compiled by Nasa's Fire Information for Resource Management System.

"The scale is a little exaggerated because of the render, but it is true in General, is the info from the Nasa website. Also, please note that not all areas are always still burns, and this is a compilation," Mr Hearsey wrote on Instagram in response to criticism by the audience that the picture was misleading.

the use of Misleading symbols

one Other widely used map of the flame symbols, dotted claimed across the country to show the "all that fire burn in Australia".

It comes from the Australian government website MyFireWatch, uses the satellite Data , sources of heat show.

But the Data includes "any heat source that is hotter than its surroundings. This can also torches the gas, refinery furnaces, or highly reflective large industrial roofs", according to its website.

This does not mean that the symbols is certain that there is an actual fire.

Another Problem is that the hotspot symbols to show the actual size of fires or the threat of it.

Screenshots of the cards, the together on Social Media like this often leave out important details from the original, such as the degree of danger from fire, and whether it is under Control .

In contrast to MyFireWatch maps (left), blue icons on the New South Wales Rural Fire Service maps (on the right) to give you 'advice' warnings, indicating that there is no immediate danger

The New South Wales Rural Fire Service released live mapped fire information, using symbols indicating the alert level from "Advisory" (no immediate danger) for "emergency warning".

At 7. In January, the red and orange fire symbols in the MyFireWatch map of New South Wales (NSW) are all ranked as "Advisory" warnings, the New South Wales rural fire service.

As some Twitter users pointed out, the cards, the claim, the size of the affected area by the "overlay" Australia and other continents such as North America and Europe, quite correct.

This is distorted because of the curved earth, if the flat map projections are made.

such As Bbc News made, maps of Australia fires

Bbc News produced that uses a range of Data sources to produce maps and other visualisations.

To produce, the card fires, BBC-journalists-used Python code to extract geographic Data from the live fire maps, produced by the New South Wales and Victoria in the fire Department.

"This allows us the presentation of complex fire shapes, the quickly to more basic cards. We have been updating it every one to two days while the fires were in its height and will continue to do so, as long as The Crisis lasts, the" Data journalist Tom Housden explains.

The BBC visualizations used in the Nasa fire Data , the fire spread.

Nasa, the BBC said that, although his Data are collected from satellite for the detection of heat, including non-fire-hotspots, such as gas-flares, these sources account for "less than 1% of the Data ".

viral posts, australia, new south wales, fake news, social media

Source of news: bbc.com