Page 85 - Nutrient Management Planning Guide

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Using Aerial Photos for Nutrient Management Planning

Table 3.2.3 Appearance of Selected Features on an Aerial Photograph (black and white, true colour, and false colour infrared aerial photographs)

Feature

Type of Aerial Photography

Black and White Panchromatic

True Colour False Colour Infrared

Soils

Dry Light grey Light grey Light green-black

Wet Dark grey-black Dark grey-black Dark green-black

Eroded Similar in appearance to dry soils

Sandy Light grey-white Light grey-white Light grey-white

Vegetation

Cereals Mottled grey-black Mottled green Mottled pinkish-red

Cereals (harvested) Mottled light grey/black Mottled goldish Mottled goldish pink-white

Forages/Hay Uniform grey-black Uniform green Uniform red

Forages/Hay (harvested) Uniform light grey-black Uniform gold-pink Uniform pinkish-white

Canola (bloom) Uniform light grey Uniform yellow Uniform pink

Canola (harvested) Similar in appearance to harvested cereals

Grasses Uniform grey Green brown Brown

Conifers Conical shaped grey-black Conical shaped green

Conical shaped purplish-brown

Deciduous Fluffy grey Fluffy green Fluffy red

Deciduous (autumn) Grey Yellow White

Natural features

Hilly Topography (bare soil) Mottled grey-black Mottled grey-black

Mottled green-black depending on soil moisture

Eroded Knolls Lighter versions of hilly topography

Sloughs

Will appear dark if they are clear. If sediment is present near the surface, they will appear lighter as the sunlight is reflected back.

Rivers/Streams Winding shaped features that will reflect similar to water bodies.

Organics Uniform grey Uniform green Uniform pink-red

Salinity Whitish Whitish Whitish

Cultural features

Fields

Will appear as square or rectangular and reflect according to what has been planted (i.e., cereals, forages, etc.)

Pasture Mottled grey-black Mottled green-black Mottled pink-green

Gravel Road Grey Grey Grey

Paved Road Black Black White-grey

Source: AF