Earth Observation by Remote Sensing Dr Nigel Trodd Coventry University.
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Transcript of Earth Observation by Remote Sensing Dr Nigel Trodd Coventry University.
![Page 1: Earth Observation by Remote Sensing Dr Nigel Trodd Coventry University.](https://reader036.fdocuments.in/reader036/viewer/2022062323/56649f065503460f94c1b376/html5/thumbnails/1.jpg)
Earth Observation by Remote Sensing
Dr Nigel Trodd
Coventry University
![Page 2: Earth Observation by Remote Sensing Dr Nigel Trodd Coventry University.](https://reader036.fdocuments.in/reader036/viewer/2022062323/56649f065503460f94c1b376/html5/thumbnails/2.jpg)
the role of remote sensing in Earth observation
Aim… to understand
& objectives… by identifying & exemplifying
characteristics of remote sensing evaluating strengths &
weaknesses using case studies of applied remote sensing
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What is remote sensing? …the acquisition of physical data of an
object without touch or contact (Lintz & Simonett 1976)
…the science and technology to derive information about the Earth’s land, sea, ice & atmosphere using electromagnetic radiation reflected or emitted from an object or phenomena
What is Earth observation by remote sensing?
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Earth observation by remote sensing
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Unique selling point: 1 Area of coverage
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Unique selling point: 2 Area of coverage Repetition of
measurement
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Unique selling point: 3 Area of coverage Repetition of
measurement Imaging the
inaccessible
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Unique selling point: 4 Area of coverage Repetition of
measurement Imaging the
inaccessible Viewing the
invisible
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Unique selling point: 5 3D
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Unique selling point: 5 Area of coverage Repetition of
measurement Imaging the
inaccessible Viewing the
invisible DigitalUnique selling point: 6
Digital
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Where in the world?
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Same
country, which city?
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Remote sensing:a unique perspective
Area of coverage Repetition of
measurement Imaging the
inaccessible Viewing the
invisible 3D Digital
multiscale
multitemporal
multi…
multispectral
multidimensional multipurpose
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Case study: Yangtze delta
ENVISAT MERIS 2005
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Case study: Yangtze delta
Landsat MSS 1979
Landsat TM 1993
Agricultural expansion
Industrial development
Natural fluctuations
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Case study: Mozambique Inundation of coastal floodplain 99/00 and 00/01
associated with ENSO events
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SRTM DEM Mozambique
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Validating theories of biogeomorphology
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Case study: Grand Canyon
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Conclusion
Earth observation by remote sensing is a multifaceted technique
Case studies demonstrate that remote sensing is an attractive tool to characterise terrain and quantify geomorphic processes & landscape dynamics