Calculate the normalised burn ratio

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Reference no: EM132509799

Location
The area of interest for this assignment is the area between berry Springs and Manton Dam in the Northern Territory. The corner coordinates of the area of interest (AOI) are:

1: [130.887,-12.669] 2: [130.887,-12.927] 3: [131.156,-12.927] 4: [131.156,-12.669]
Imagery
Two Sentinel-2 scenes need to be used for your analysis. One collected on 25 April 2018, and one collected on 24 June 2018.

Task 1. Explore the area in the April image and take note of the different landcover types and land-uses within the AOI.

Task 2. Visually identify the following 7 landcover classes:
o water
o savanna woodland
o monsoon forest
o mangroves
o mango orchard
o sports field
o cleared paddock

Task 3. Plot the spectral response curve for each of the 7 classes for the April image

Task 4. Plot the spectral response curve for each of the 7 classes for June images

Task 5. Discuss how the spectral response changes with season for each classes

Task 6. Produce a map of NDVI and NDWI for April and June over the AOI. Use a brown>yellow>green colour scale for the NDVI map, and a white>purple>blue colour scale for NDWI. Discuss the changes that you observe in NDVI and NDWI between April and June.

Task 7. Calculate the Normalised Burn Ratio (NBR) for April and June. Use the following equation to calculate deltaNBR, which is an estimate of fire severity:
deltaNBR = prefireNBR - postfireNBR

Task 9. Produce a map of deltaNBR for the AOI with a colour scale from green>yellow>red.

Task 10. Examine the spectral response curves for some areas with a high deltaNBR and discuss why these changes occur after fire.

Attachment:- remote sensing assignment.rar

Reference no: EM132509799

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