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IO6 Teaching videos on earth observation and geoinformation
IO6 Teaching videos on earth observation and geoinformation
Below are teaching video's developed by Ruhr-Universität Bochum. They aim to assist teachers with explaining what is earth observation and how we can use sensory data to help global issues.
Images from Space
Images from Space
Images from space. They show our planet from new perspectives and sometimes in the most unusual colours. They are not only nice to look at, but they also supply map and weather services with up-to-date data; and they are a crucial tool for the scientific exploration of planet earth. With the help of images from space (remotely sensed images), information is collected and analysed; their contribution is indispensable to the understanding of the earth system and the changes it experiences.
But how does this happen? And what do those silent observers, the satellites, look like? What data do they supply us with? And how do they help us understand the highly dynamic processes on our planet and make us realise the role humanity plays?
The Spectral Resolution
The accuracy with which we can observe our environment with satellites, depends primarily on the different characteristics of their sensors. After all, it is the sensors properties which control how detailed the information about the Earth’s surface can be.
One of these properties is the spectral resolution. It provides information about the ability of a sensor to distinguish between the ranges of the electromagnetic spectrum
The spectral resolution of a sensor increases with the number of channels in which it can receive ranges of the electromagnetic spectrum
Land-use change
Land-use change
We humans are actively changing the land surface of our planet - and doing so on a much larger scale and with more dramatic consequences than ever before. What are the changes in land use leading to? And how can these be tracked and presented globally?
Satellite images enable us to document changes in land use very precisely. They make land cover mapping possible and provide information about land use on a global scale. They enable us to understand and accompany processes of land use change and the associated developments.
The Spatial Resolution
The exact observation of our environment with satellites largely depends on the different characteristics of their sensors. It is up to them, how detailed the information about the Earth's surface is recorded.
The spatial resolution of a sensor is one of these characteristics.
GW FE ElekSpekEinf
GW FE Elek Spek Vert
Land-use change
Land-use change
GW FE Spek Aufl
The Electromagentic Spectrum - Introduction (German Screentext)
The Electromagnetic Spectrum - Advanced (German Screentext)
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