Browsing 04 Earth Sciences by Author "Saleska Scott"

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Browsing 04 Earth Sciences by Author "Saleska Scott"

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  • Amazon rainforests green-up with sunlight in dry season 
    Huete Alfredo; Didan Kamel; Shimabukuro Yosio; Ratana Piyachat; Saleska Scott; Hutyra Lucy; Yang Wenze; Nemani Ramakrishna; Myneni Ranga (Amer Geophysical Union, 2006)
    Metabolism and phenology of Amazon rainforests significantly influence global dynamics of climate, carbon and water, but remain poorly understood. We analyzed Amazon vegetation phenology at multiple scales with Moderate ...
  • Do plant species influence soil CO2 and N2O fluxes in a diverse tropical forest? 
    Van Haren Joost; De Oliveira Jr. R.; Restrepo-Coupe Natalia; Hutyra Lucy; De Camargo Plinio; Keller Michael; Saleska Scott (Amer Geophysical Union, 2010)
    To test whether plant species influence greenhouse gas production in diverse ecosystems, we measured wet season soil CO2 and N2O fluxes close to ~300 large (>35 cm in diameter at breast height (DBH)) trees of 15 species ...
  • Natural and drought scenarios in an east central Amazon forest: Fidelity of the Community Land Model 3.5 with three biogeochemical models 
    Sakaguchi Koichi; Zeng Xubin; Christoffersen Bradley; Restrepo-Coupe Natalia; Saleska Scott; Brando Paulo (Amer Geophysical Union, 2011)
    Recent development of general circulation models involves biogeochemical cycles: flows of carbon and other chemical species that circulate through the Earth system. Such models are valuable tools for future projections of ...
  • Patterns of water and heat flux across a biome gradient from tropical forest to savanna in Brazil 
    Rocha Humberto; Manzi Antonio; Cabral Osvaldo; Miller Scott; Goulden Michael; Saleska Scott; Restrepo-Coupe Natalia; Wofsy Steven; Borma Laura; Artaxo P.; Vourlitis George; Nogueira Jose; Cardoso Fernando; Nobre Antonio; Kruijt Bart; Freitas Helber; Von Randow Celso; Aguiar Renata; Maia Jair (Amer Geophysical Union, 2009)
    We investigated the seasonal patterns of water vapor and sensible heat flux along a tropical biome gradient from forest to savanna. We analyzed data from a network of flux towers in Brazil that were operated within the ...
  • Resolving systematic errors in estimates of net ecosystem exchange of CO2 and ecosystem respiration in a tropical forest biome 
    Hutyra Lucy; Munger J.; Hammond-Pyle Elizabeth; Saleska Scott; Restrepo-Coupe Natalia; Daube Bruce; De Camargo Plinio; Wofsy Steven (Elsevier Inc, 2008)
    The controls on uptake and release of CO2 by tropical rainforests, and the responses to a changing climate, are major uncertainties in global climate change models. Eddy-covariance measurements potentially provide detailed ...