• Amazon hydrology from space : scientific advances and future challenges 

      Andrade, Alice César Fassoni de; Fleischmann, Ayan Santos; Papa, Fabrice; Paiva, Rodrigo Cauduro Dias de; Correa, Sly Wongchuig; Melack, John M.; Moreira, Adriana Aparecida; Paris, Adrien; Ruhoff, Anderson Luis; Barbosa, Cláudio Clemente Faria; Maciel, Daniel Andrade; Novo, Evlyn Márcia Leão de Moraes; Durand, Fabien; Frappart, Frédéric; Aires, Filipe; Abrahão, Gabriel Medeiros; Ferreira-Ferreira, Jefferson; Espinoza, Jhan Carlo; Santos, Leonardo Laipelt dos; Costa, Marcos Heil; Espinoza-Villar, Raúl; Calmant, Stephane; Pellet, Victor (2021) [Artigo de periódico]
      As the largest river basin on Earth, the Amazon is of major importance to the world's climate and water resources. Over the past decades, advances in satellite-based remote sensing (RS) have brought our understanding of ...
    • Assessing the capacity of large-scale hydrologic-hydrodynamic models for mapping flood hazard in southern Brazil 

      Alves, Maria Eduarda Pereira; Fan, Fernando Mainardi; Paiva, Rodrigo Cauduro Dias de; Siqueira, Vinícius Alencar; Fleischmann, Ayan Santos; Brêda, João Paulo Lyra Fialho; Santos, Leonardo Laipelt dos; Araujo, Alexandre Abdalla (2022) [Artigo de periódico]
      Mapping flood risk areas is important for disaster management at the local, regional, and national scales. The aim of this study was to evaluate the ability of large-scale models to obtain flood hazard maps. The models ...
    • Assessment of an automated calibration of the SEBAL algorithm to estimate dry-season surface-energy partitioning in a forest–savanna transition in Brazil 

      Santos, Leonardo Laipelt dos; Ruhoff, Anderson Luis; Fleischmann, Ayan Santos; Kayser, Rafael Henrique Bloedow; Kich, Elisa De Mello; Rocha, Humberto Ribeiro da; Neale, Christopher (2020) [Artigo de periódico]
      Evapotranspiration (ET) provides a strong connection between surface energy and hydrological cycles. Advancements in remote sensing techniques have increased our understanding of energy and terrestrial water balances as ...
    • CAMELS-BR : hydrometeorological time series and landscape attributes for 897 catchments in Brazil 

      Chagas, Vinícius Bogo Portal; Chaffe, Pedro Luiz Borges; Addor, Nans; Fan, Fernando Mainardi; Fleischmann, Ayan Santos; Paiva, Rodrigo Cauduro Dias de; Siqueira, Vinícius Alencar (2020) [Artigo de periódico]
      We introduce a new catchment dataset for large-sample hydrological studies in Brazil. This dataset encompasses daily time series of observed streamflow from 3679 gauges, as well as meteorological forcing (precipitation, ...
    • Drought propagation in brazilian biomes revealed by remote sensing 

      Rossi, Júlia Brusso; Ruhoff, Anderson Luis; Fleischmann, Ayan Santos (2023) [Artigo de periódico]
      Drought events have been reported in all Brazilian regions every year, evolving slowly over time and large areas, and largely impacting agriculture, hydropower production, and water supplies. In the last two decades, major ...
    • Estimating design hydrographs at the basin scale : from event-based to continuous hydrological simulation 

      Fleischmann, Ayan Santos; Collischonn, Walter; Paiva, Rodrigo Cauduro Dias de (2019) [Artigo de periódico]
      Design hydrographs are widely used in practical hydrologic engineering problems. Typical applications adopt event-based (EBM) methods, using rainfall-runoff models to convert design hyetographs into design hydrographs. ...
    • Global evapotranspiration datasets assessment using water balance in South America 

      Ruhoff, Anderson Luis; Andrade, Bruno César Comini de; Santos, Leonardo Laipelt dos; Fleischmann, Ayan Santos; Siqueira, Vinícius Alencar; Moreira, Adriana Aparecida; Fontana, Rafael Barbedo; Cyganski, Gabriele Leão; Fernandez, Gabriel Matte Rios; Brêda, João Paulo Lyra Fialho; Paiva, Rodrigo Cauduro Dias de; Meller, Adalberto; Teixeira, Alexandre de Amorim; Araujo, Alexandre Abdalla; Fuckner, Marcus Andre; Biggs, Trent (2022) [Artigo de periódico]
      Evapotranspiration (ET) connects the land to the atmosphere, linking water, energy, and carbon cycles. ET is an essential climate variable with a fundamental importance, and accurate assessments of the spatiotemporal trends ...
    • Impact of large reservoirs on simulated discharges of Brazilian rivers 

      Passaia, Otávio Augusto; Siqueira, Vinícius Alencar; Brêda, João Paulo Lyra Fialho; Fleischmann, Ayan Santos; Paiva, Rodrigo Cauduro Dias de (2020) [Artigo de periódico]
      Tens of thousands of dams were built around the world to reduce flood risks, produce energy, and maximize benefits of limited freshwater resources. In Brazil, the main and largest reservoirs are related to hydropower plants. ...
    • Improved modeling of Congo's hydrology for floods and droughts analysis and ENSO teleconnections 

      Correa, Sly Wongchuig; Kitambo, Benjamin; Papa, Fabrice; Paris, Adrien; Fleischmann, Ayan Santos; Gal, Laetitia; Boucharel, Julien; Paiva, Rodrigo Cauduro Dias de; Oliveira, Rômulo Jucá; Tshimanga, Raphael M.; Calmant, Stephane (2023) [Artigo de periódico]
      Study region: The Congo River basin (CRB), the world's second-largest river system, is subject to extreme hydrological events that strongly impact its ecosystems and population. Study focus: Here we present an improved ...
    • Increased floodplain inundation in the Amazon since 1980 

      Fleischmann, Ayan Santos; Papa, Fabrice; Hamilton, Stephen K.; Fassoni-Andrade, Alice César; Correa, Sly Wongchuig; Espinoza, Jhan Carlo; Paiva, Rodrigo Cauduro Dias de; Melack, John M.; Fluet-Chouinard, Etienne; Castello, Leandro; Almeida, Rafael Marques; Bonnet, Marie-Paule; Alves, Luna Gripp Simões; Moreira, Daniel Medeiros; Yamazaki, Dai; Revel, Menaka; Collischonn, Walter (2023) [Artigo de periódico]
      Extensive floodplains throughout the Amazon basin support important ecosystem services and influence global water and carbon cycles. A recent change in the hydroclimatic regime of the region, with increased rainfall in the ...
    • IPH-Hydro Tools : a GIS coupled tool for watershed topology acquisition in an open-source environment 

      Siqueira, Vinícius Alencar; Fleischmann, Ayan Santos; Jardim, Pedro Frediani; Fan, Fernando Mainardi; Collischonn, Walter (2016) [Artigo de periódico]
      Watershed delineation, drainage network generation and determination of river hydraulic characteristics are important issues in hydrological sciences. In gene- ral, this information can be obtained from Digital Elevation ...
    • Modeling the role of reservoirs versus floodplains on large-scale river hydrodynamics 

      Fleischmann, Ayan Santos; Collischonn, Walter; Paiva, Rodrigo Cauduro Dias de; Tucci, Carlos Eduardo Morelli (2019) [Artigo de periódico]
      Large-scale hydrologic–hydrodynamic models are powerful tools for integrated water resources evaluation at the basin scale, especially in the context of flood hazard assessment. However, recent model developments have paid ...
    • On the discretization of river networks for large scale hydrologic-hydrodynamic models 

      Fan, Fernando Mainardi; Siqueira, Vinícius Alencar; Brêda, João Paulo Lyra Fialho; Fleischmann, Ayan Santos; Paiva, Rodrigo Cauduro Dias de; Pontes, Paulo Rógenes Monteiro; Colischonn, Walter (2021) [Artigo de periódico]
      The discretization of river networks is a critical step for computing flow routing in hydrological models. However, when it comes to more complex hydrologic-hydrodynamic models, adaptations in the spatial representation ...
    • Patterns and drivers of evapotranspiration in South American wetlands 

      Fleischmann, Ayan Santos; Santos, Leonardo Laipelt dos; Papa, Fabrice; Paiva, Rodrigo Cauduro Dias de; Andrade, Bruno César Comini de; Collischonn, Walter; Biudes, Marcelo Sacardi; Kayser, Rafael Henrique Bloedow; Prigent, Catherine; Cosio, Eric G.; Machado, Nadja Gomes; Ruhoff, Anderson Luis (2023) [Artigo de periódico]
      Evapotranspiration (ET) is a key process linking surface and atmospheric energy budgets, yet its drivers and patterns across wetlandscapes are poorly understood worldwide. Here we assess the ET dynamics in 12 wetland ...
    • Synergistic calibration of a hydrological model using discharge and remotely sensed soil moisture in the Paraná river basin 

      Fleischmann, Ayan Santos; Oliveira, Aline Meyer; Siqueira, Vinícius Alencar; Colossi, Bibiana Rodrigues; Paiva, Rodrigo Cauduro Dias de; Kerr, Yann; Ruhoff, Anderson Luis; Fan, Fernando Mainardi; Pontes, Paulo Rógenes Monteiro; Collischonn, Walter; Al Bitar, Ahmad (2021) [Artigo de periódico]
      Hydrological models are useful tools for water resources studies, yet their calibration is still a challenge, especially if aiming at improved estimates of multiple components of the water cycle. This has led the hydrologic ...
    • Toward continental hydrologic–hydrodynamic modeling in South America 

      Siqueira, Vinícius Alencar; Paiva, Rodrigo Cauduro Dias de; Fleischmann, Ayan Santos; Fan, Fernando Mainardi; Ruhoff, Anderson Luis; Pontes, Paulo Rógenes Monteiro; Paris, Adrien; Calmant, Stephane; Collischonn, Walter (2018) [Artigo de periódico]
      Providing reliable estimates of streamflow and hydrological fluxes is a major challenge for water resources management over national and transnational basins in South America. Global hydrological models and land surface ...
    • Water storage variability across Brazil 

      Fontana, Rafael Barbedo; Fleischmann, Ayan Santos; Siqueira, Vinícius Alencar; Brêda, João Paulo Lyra Fialho; Fernandez, Gabriel Matte Rios; Santos, Leonardo Laipelt dos; Teixeira, Alexandre de Amorim; Araujo, Alexandre Abdalla; Fuckner, Marcus Andre; Meller, Adalberto; Fan, Fernando Mainardi; Collischonn, Walter; Ruhoff, Anderson Luis; Paiva, Rodrigo Cauduro Dias de (2022) [Artigo de periódico]
      Brazil hosts a large amount of freshwater. Knowing how this stored water is partitioned in space and time between surface and subsurface components is a crucial step towards a more correct depiction of the country’s water ...