Accuracy Assessment of Land Cover/Land Use Maps

Santa Rosa, Laguna, Philippines January 25 - 29, 2016

Objectives

The overall goal of the workshop is to provide participants from the SilvaCarbon South and Southeast Asia countries with an understanding of past and ongoing forest cover map accuracy assessment efforts and to provide guidance for enhancing future activities.

The Philippines, Bangladesh, Vietnam and Cambodia are currently engaged in accuracy assessments of their existing maps with support from FAO and SilvaCarbon. At this workshop, practical issues identified through this ongoing work will be discussed in more detail, including area estimation, uncertainty analysis (for different tiers) and forest stratification.

The workshop will also share the latest international guidance provided by GFOI’s Methods and Guidance Documentation (MGD) on accuracy assessment/area estimation and will an offer opportunity to discuss how the current efforts in the countries can be aligned accordingly. The information shared at the workshop will form the basis for discussing national-level activities related to accuracy assessment and area estimation of land cover change in all participating countries.

Expected output

• Increase the understanding of previous and current accuracy assessment efforts and on good practice guidance for uncertainty analysis.
• Increase the knowledge of technical officers on how to improve accuracy assessment and area estimates, and how to apply this to existing forest/non-cover maps used for REDD+ reporting.
• Expose practitioners to the use of tools such as time sync to create statistically sound validation samples.

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