Quiz What can be seen from a satellite? Higher School of Economics, - - PowerPoint PPT Presentation

Geoapplications development http://rgeo.wikience.org

Higher School of Economics, Moscow, www.cs.hse.ru

Quiz

What can be seen from a satellite?

What phenomenon is visible here?

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The eclipse on August 21, 2017

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https://earthobservatory.nasa.gov/IOTD/view.php?id=90796&src=eoa-iotd

What phenomenon is visible here?

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Volcano eruption

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Klyuchevskoy Kamchatka Peninsula

Volcano eruption

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http://smiswww.iki.rssi.ru/d33_conf/files/pdf/14/5703_Girina_et_al_Monitoring_SRI_2016.pdf

> 100 volcanos of Alaska-Kuriles are dangerous for aviation 5-6 strong eruptions per year > 200 passenger airplanes daily 30 000 passengers 80 000 airplanes per year airplane path change costs millions of dollars

What phenomenon is visible here?

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Wildfires Rage in Siberia

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http://earthobservatory.nasa.gov/IOTD/view.php?id=88284

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Northwestern Europe at Night

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http://earthobservatory.nasa.gov/IOTD/view.php?id=51892

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Central pivot irrigation

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http://earthobservatory.nasa.gov/IOTD/view.php?id=5772

What is it?

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Artificial Archipelagos, Dubai, United Arab Emirates

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http://earthobservatory.nasa.gov/IOTD/view.php?id=42477

Data volume

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How do you think, what is the volume of imagery collected by satellites?

Big data

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DigitalGlobe collects 70 terabytes of imagery on an average day with their constellation of six large satellites.

https://www.mapbox.com/blog/digitalglobe-maps-api/

What is the highest satellite imagery resolution?

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Meters? Centimeters? What can you see there?

30 cm

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http://microsites.digitalglobe.com/30cm/