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Introduction to data type

 

Satellite data with low and medium resolution are characterized by spatial resolution at about 1 km and hundreds of meters, respectively. These data are obtained solely in a multispectral mode including visible and infrared part of the optical spectrum. Due to the wide swath of these satellites, the data with daily or a-few-day frequency are guaranteed. 
The data are suitable for mapping in the scale of about 1:1,000,000. 

 

(This information can be found by following this link: http://www.gisat.cz/content/en/satellite-data/supplied-data/low-and-medium-resolution?senzor=552#sat_detail )

 

 

 

 

Potential application

 

  • Global and continental mapping

  • Monitoring of vegetation conditions

  • Crop modeling and crop yield prediction

  • Large disasters monitoring

  • Snow cover and glaciers’ monitoring

  • Atmosphere and ocean are monitoring

 

 

(This information can be found by following this link: http://www.gisat.cz/content/en/satellite-data/supplied-data/low-and-medium-resolution?senzor=552#sat_detail

 

(*Note*: The following information is looking at the Landsat 8 Satellite and sensor OLI.)

 

Availability (including suppliers details)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Link: http://www.gisat.cz/content/en/satellite-data/supplied-data/low-and-medium-resolution/satelite/landsat-8 )

 

Collection considerations (time of day, FOV, etc.)

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- consider the time of day that you want to collect your data and also consider the weather of that day you wish to collect your data, you want a clear cloudless day to collect your data.

 

Processing levels 

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- Low

 

Cost

- Free through USGS: Earth Explorer

 

File format

 

- Downloaded as a zip file 

- IMG, RRD, AUX, and VSK files are found within the zip files

 

Coverage

 

- Image size = 185km x 180km

 

Swath width

 

- 185km

 

Spatial, spectral, radiometric and temporal resolution

 

- Spatial Resolution in Meters= 15.0m, 30.0m

-Spectral Resolution= 30.0m

- Radiometric Resolution = 12 bit

- Temporal Resolution= 16 days 

 

Spectral bands

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Link: http://www.gisat.cz/content/en/satellite-data/supplied-data/low-and-medium-resolution/satelite/landsat-8

 

Spectral range

 

- 0.43 - 1.39 

 

Software requirements

 

- PCI

- SNAP

-Geomatica

 

Processing requirements

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- Low

 

Degree of difficulty  

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- Low

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