Satellite Image Quiz 2019
The conference topic THE Spatial View is reflected in this year’s UNIGIS satellite image quiz. You see exclusively freely available images, which are produced from remotely sensed data. Answer the following questions and win attractive prizes. All participants who correctly answer the questions are considered for the raffle of an annual subscription of the GIS Business and AGIT souveniers.

Privacy Note: By taking part in this quiz you allow us to collect and process your email address for the purpose of contacting you in case you are the lucky winner. We will delete your email address afterwards and will not use it for any other purpose.

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This Landsat-8 satellite image shows numerous landslides that where triggered by heavy rainfall. In this false-colour visualisation, they are visible as bright areas distinct from the vegetation, which is coloured in red. Where is the image located? *
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Large River Deltas are unique ecosystems and support a broad range of plant and animal species. Which River Delta is shown on this image? *
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This image was captured on the 7th of March 2019 of an area, which is usually covered by sea ice at that time of year. The National Snow & Ice Data Center reported this extent being the lowest within the 40 years of satellite recording. Which sea passage is shown here? *
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Night shots like these show the distribution where people live. Especially cities are bright and easily visible. What is the percentage of people living in cities? *
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This image was captured by the Sentinel-5p satellite and shows high records of a particular gas in areas such as London, Brussels, western Germany, Milan, and Moscow. These high levels are due to air pollution and have an impact on human health. Which gas is it? *
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Thermal images show the thermal radiation of the Earth as shown in the image of Sicily. The temperature differences to the surrounding Mediterranean Sea are clearly visible. This image was taken by the Sentinel-3 satellite. Which natural phenomenon is also visible in this image? *
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Permafrost landscapes, like this one on the North Slope of Alaska, cover large parts of the Earth’s surface. Which percentage of the Northern Hemisphere’s landmass is underlain by permafrost? *
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The light turquoise coloring of the eastern coast of the southern island of New Zealand is caused by sediments and algal blooms in the water. What causes these algal blooms? Through a strong growth of algae due to ... *
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This island is inhabited by people who want to avoid any contact with the outside world and are among the few tribes that have successfully resisted the influence of the outside. The island bears the same name as Earth observation satellites. What is its name? *
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These round fields are created by an irrigation system in which an irrigation arm rotates around a base. This is also known as pivot irrigation system. In Egypt, the irrigation of agricultural land has been in use for some time. Early on, they developed a sophisticated system where basins were used that were flooded once a year by the Nile. Since when do the Egyptians use artificial irrigation systems? *
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