Rice monitoring using Sentinel-1 SAR data

Rice monitoring using Sentinel-1 SAR data

10th Grade

10 Qs

quiz-placeholder

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Rice monitoring using Sentinel-1 SAR data

Rice monitoring using Sentinel-1 SAR data

Assessment

Quiz

Science

10th Grade

Medium

Created by

Hoa Phan

Used 3+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The backscattered signal results from:

Surface scattering

 

Volume scattering

Multiple volume-surface scattering

All of the above

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The radar measurements depends on:

Polarisation, Incidence angle,

Polarisation, radar frequency bands

Polarisation, Incidence angle, radar frequency bands

Polarisation, Incidence angle, radar frequency bands, speckle noise

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find the wrong information

Low backscatter radar response on flat surface

Large radar response on surface with local slope

Scattering mechanisms doesn't depend on surface roughness

Scattering mechanisms depend on dielectric properties of the medium

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find the wrong answer for "Sentinel-1 SAR has:.."

Two satellites (S1-A and S1-B) with C-band SAR

Dual polarizations: HH & VV

All-weather sensor: Not sensitive to clouds

In operation since 2014

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The wavelength of C-band:

1.7-2.4 (cm)

2.4-3.8 (cm)

3.8-7.5 (cm)

7.5-15 (cm)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

After sowing or transplanting, the rice plants go through ... phases:

3

4

5

6

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The specific radar physical interaction mechanisms for rice fields: vegetation layer, wet soil (or water).

True

False

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