Seasonal dynamics of native and converted cerrado physiognomies with MODIS data. - Piyachat Ratana; Alfredo R. Huete (IGARSS, 2004)

Interrelationship among among MODIS vegetation products across an Amazon Eco-climatic gradient. - Piyachat Ratana; Alfredo R. Huete; Yuan Yin; Andree Jacobson (IGARSS, 2005)

MODIS EVIbased Variability in Amazon Phenology across the Rainforest-Cerrado Ecotone. - Piyachat Ratana; Alfredo R. Huete; Kamel Didan (IGARSS, 2006)

Use of MODIS Enhanced Vegetation Index to Detect Seasonal Patterns of Leaf Phenology in Central Amazon Várzea Forest. - Laura L. Hess; Piyachat Ratana; Alfredo R. Huete; Chris Potter; John Melack (IGARSS (4), 2009)