Questions

AGRI30045_2025_SM2 Quiz 1- Requires Respondus LockDown Browser

Matching

Given the following Vegetation Indices (VIs), match each to the correct type: 1: Single Ratio Index 2: Normalised Ratio Index 3: Combined Indices Index

Options

A.Greenness Vegetation Index: (R682-R553)/R682+R553)

B.TCARI/OSAVI Index

C.Gitelson and Merzlyak Index 1: R750/R550

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Step-by-Step Analysis

First, we identify what each index formula represents in terms of index types. Option A: Greenness Vegetation Index: (R682-R553)/R682+R553). This expression features a numerator that takes a difference between two bands and a denominator that sums those bands, which is characteristic of a normalized ratio approach. Such indices normalize the difference by the overall signal, placing it in a bounded range an......Login to view full explanation

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