DEFORESTATION MONITORING IN DIFFERENT BRAZILIAN BIOMES: CHALLENGES AND LESSONS

Autor: F. C. B. Lara, J. S. Maia, D. M. Valeriano, F. C. O. Santos, Lúbia Vinhas, F. S. R. V. Martins, V. Ribeiro, E. R. Profeta, Luis Eduardo Pinheiro Maurano, Cláudio Aparecido de Almeida, Leila Maria Garcia Fonseca, D. Silva, C. P. F. Santos, L. O. Santos
Jazyk: angličtina
Rok vydání: 2020
Předmět:
Zdroj: ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol IV-3-W2-2020, Pp 47-52 (2020)
ISSN: 2194-9050
2194-9042
Popis: Monitoring the conversion of native vegetation has challenged Brazilian government and scientists since the 1980s. In the case of the Amazonian forests, the Amazon Gross Deforestation Monitoring Project - PRODES has developed an effective methodology that provides consistent annual data on deforestation areas on a scale of 1:250,000, since 1988. In this article, we present some aspects of the evolution of this methodology, the key processes to produce accurate deforestation maps during the last 30 years and the new challenges that the Project would face. A central lesson is that no computational technique has, to date, been able to achieve the quality of deforestation maps produced by visual interpretation of satellite images and manual mapping.
Databáze: OpenAIRE