2026 Walter Collischonn: Environmental Sciences Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Environmental Sciences	47	5801	5562	35	35	231	8155

Overview

Walter Collischonn is affiliated with the Federal University of Rio Grande do Sul in Brazil. Their research primarily focuses on environmental science, spanning several specialized subfields such as global and planetary change, water science and technology, ecology, environmental engineering, and ocean engineering.

The topics explored in their work cover diverse aspects related to hydrology, including hydrology and watershed management studies, flood risk assessment and management, hydrology and sediment transport processes, hydrology and drought analysis, water resources management and optimization, plant water relations and carbon dynamics, and soil erosion and sediment transport.

Among their recent publications are:

Assimilation of future SWOT-based river elevations, surface extent observations and discharge estimations into uncertain global hydrological models, 2020, Journal of Hydrology
How much inundation occurs in the Amazon River basin?, 2022, Remote Sensing of Environment
Climate change may impair electricity generation and economic viability of future Amazon hydropower, 2021, Global Environmental Change
Regional scale hydrodynamic modeling of the river-floodplain-reservoir continuum, 2021, Journal of Hydrology
A Modeling Assessment of Large-Scale Hydrologic Alteration in South American Pantanal Due to Upstream Dam Operation, 2020, Frontiers in Environmental Science

Collischonn frequently publishes in notable venues, including:

Revista Brasileira de Recursos Hídricos
Zenodo (CERN European Organization for Nuclear Research)
Journal of Hydrology
Water Resources Research
Hydrological Sciences Journal

The scientist collaborates often with other researchers. Their frequent co-authors include:

Rodrigo Cauduro Dias de Paiva
Fernando Mainardi Fan
Ayan Santos Fleischmann
Anderson Ruhoff
Vinícius Alencar Siqueira

Best Publications

Large‐scale hydrologic and hydrodynamic modeling of the Amazon River basin

Rodrigo Cauduro Dias de Paiva;Rodrigo Cauduro Dias de Paiva;Diogo Costa Buarque;Walter Collischonn;Marie-Paule Bonnet

461
Citations
The MGB-IPH model for large-scale rainfall—runoff modelling

Walter Collischonn;Daniel Allasia;Benedito C. Da Silva;Carlos E. M. Tucci

432
Citations
Daily hydrological modeling in the Amazon basin using TRMM rainfall estimates

Bruno Collischonn;Walter Collischonn;Carlos Eduardo Morelli Tucci

427
Citations
Large scale hydrologic and hydrodynamic modeling using limited data and a GIS based approach

Rodrigo C.D. Paiva;Walter Collischonn;Carlos E.M. Tucci

384
Citations
Simulação Hidrológica de Grandes Bacias

Walter Collischonn;Carlos Eduardo Morelli Tucci

353
Citations
Further evidence of changes in the hydrological regime of the River Paraguay: part of a wider phenomenon of climate change?

W. Collischonn;C.E.M. Tucci;R.T. Clarke

226
Citations
A direction dependent least-cost-path algorithm for roads and canals

Walter Collischonn;Jorge Victor Pilar

225
Citations
Forecasting River Uruguay flow using rainfall forecasts from a regional weather-prediction model

Walter Collischonn;Reinaldo Haas;Ivanilto Andreolli;Carlos Eduardo Morelli Tucci

199
Citations
MGB-IPH model for hydrological and hydraulic simulation of large floodplain river systems coupled with open source GIS

Paulo Rógenes Monteiro Pontes;Paulo Rógenes Monteiro Pontes;Fernando Mainardi Fan;Ayan Santos Fleischmann;Rodrigo Cauduro Dias de Paiva

190
Citations
Toward continental hydrologic–hydrodynamic modeling in South America

Vinícius A. Siqueira;Rodrigo C. D. Paiva;Ayan S. Fleischmann;Fernando M. Fan

187
Citations
Stage-discharge rating curves based on satellite altimetry and modeled discharge in the Amazon basin

Adrien Paris;Adrien Paris;Rodrigo Dias de Paiva;Joecila Santos da Silva;Daniel Medeiros Moreira;Daniel Medeiros Moreira

181
Citations
Assessment of the MODIS global evapotranspiration algorithm using eddy covariance measurements and hydrological modelling in the Rio Grande basin

A. L. Ruhoff;A. R. Paz;L. E.O.C. Aragao;Qiaozhen Mu

175
Citations
Gis-based procedures for hydropower potential spotting

Dante G. Larentis;Walter Collischonn;Francisco Olivera;Carlos E.M. Tucci

163
Citations
Uncertainty in climate change impacts on water resources in the Rio Grande Basin, Brazil

M. T. Nóbrega;W. Collischonn;C. E. M. Tucci;A. R. Paz

163
Citations
Validation of a full hydrodynamic model for large‐scale hydrologic modelling in the Amazon

Rodrigo C. D. Paiva;Walter Collischonn;Diogo Costa Buarque

151
Citations
Assimilating in situ and radar altimetry data into a large-scale hydrologic-hydrodynamic model for streamflow forecast in the Amazon

R. C. D. Paiva;R. C. D. Paiva;W. Collischonn;M.-P. Bonnet;L. G. G. de Gonçalves

139
Citations
A MODIS-Based Energy Balance to Estimate Evapotranspiration for Clear-Sky Days in Brazilian Tropical Savannas

Anderson L. Ruhoff;Adriano Rolim da Paz;Walter Collischonn;Luiz Eduardo Oliveira E. Cruz de Aragão

128
Citations
Defining parameters for Eckhardt's digital baseflow filter

Walter Collischonn;Fernando Mainardi Fan

124
Citations
Can regional to continental river hydrodynamic models be locally relevant? A cross-scale comparison

Ayan Fleischmann;Rodrigo Paiva;Walter Collischonn

117
Citations
Large-scale modelling of channel flow and floodplain inundation dynamics and its application to the Pantanal (Brazil)

Adriano Rolim da Paz;Walter Collischonn;Carlos E. M. Tucci;Carlos R. Padovani

114
Citations
Coupled Hydrologic-Hydraulic Modeling of the Upper Paraguay River Basin

J. M. Bravo;D. Allasia;A. R. Paz;W. Collischonn

112
Citations
Toward continental hydrologic-hydrodynamic modeling in South America

R. C. D. Paiva;V. A. Siqueira;A. S. Fleischmann;F. M. Fan

9
Citations

Frequent Co-Authors

Marie-Paule Bonnet Institut de Recherche pour le Développement

Stéphane Calmant Institut de Recherche pour le Développement

Humberto Ribeiro da Rocha Universidade de São Paulo

Luiz E. O. C. Aragão National Institute for Space Research

Fabrice Papa Laboratoire d’Etudes en Géophysique et Océanographie Spatiales

Jean-Loup Guyot Institut de Recherche pour le Développement

Barry Croke Australian National University

Qiaozhen Mu Science Systems & Applications, Inc.

Steven W. Running University of Montana

Albrecht Weerts Wageningen University & Research

External Links

Personal website of Walter Collischonn

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