discussion session land cover and forest monitoring 2013 pacific islands gis/rs user conference 18th...

Discussion Session

Land Cover and Forest Monitoring

2013 Pacific Islands GIS/RS User Conference18th – 22nd NovemberSuva, Fiji Islands

Vilisi TokalauvereGIS/RS Officer

SOPAC DIVISIONSecretariat of the Pacific Community

The need

For Food SecurityFAO ReportingBio-fuel ProjectsClimate Change

Carbon StockLand Cover has to be reported

2013 Pacific Islands GIS/RS User Conference

Main Problems

Texture analysis requires high-resolution image data

Cloud cover still problem Image segmentation necessary Signature database missing No capacity in PIC

2013 Pacific Islands GIS/RS User Conference

Display QuickBird Data

Texture of pan-sharpened QuickBird data allows to separate palm and natural forest

Texture of pan-sharpened QuickBird data allows to separate palm and natural forest

Spectral SeparationSpectral Separation

Pandanas

Shrub

BananasBreadfruit

Reflection over Vegetation

RGB NIR

0

20

40

60

80

100

120

140

160

180

1 2 3 4

BANDS

RE

FL

EC

TIO

N

Coconut

Breadfruit

Pandanus

Visual Interpretation Vs Semi Automatic Classification.