Fabien Blarel
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View article: Distinctive Patterns of Water Level Change in Swedish Lakes Driven by Climate and Human Regulation
Distinctive Patterns of Water Level Change in Swedish Lakes Driven by Climate and Human Regulation Open
Despite having approximately 100,000 lakes, Sweden has limited continuous gauged lake water level data. Although satellite radar altimetry (RA) has emerged as a popular alternative to measure water levels in inland water bodies, it has not…
View article: Quantification of surface water extent and volume in the Inner Niger Delta (IND) over 2000–2022 using multispectral imagery and radar altimetry
Quantification of surface water extent and volume in the Inner Niger Delta (IND) over 2000–2022 using multispectral imagery and radar altimetry Open
Spatio-temporal dynamics of surface water reservoirs at regional and global scales remain poorly understood. Using satellite remote sensing provides a unique opportunity to address this problem. This study aims to (1) quantify the extent a…
View article: AlTiS Software for generating Time-Series of Water Levels from Radar Altimetry Data
AlTiS Software for generating Time-Series of Water Levels from Radar Altimetry Data Open
AlTiS (Altimetry Time Series) is a software to visualize and process radar altimetry data. It was developed to analyse radar altimetry data over small areas like river, lakes and wetlands, located in the altimetry groundtracks. Its major g…
View article: CTOH studies for extending the range of altimetry applications over the ocean and continental surfaces
CTOH studies for extending the range of altimetry applications over the ocean and continental surfaces Open
The Center for Topography of the Oceans and Hydrosphere (CTOH) is a French Observation Service created in 1989 and dedicated to satellite altimetry studies. It focuses on the development and promotion of new processing approaches of the al…
View article: EVOLUTION OF THE LAKES NETWORK OF CURUAI FLOODPLAIN BY CLASSIFICATION OF RADAR ALTIMETRY ECHOES
EVOLUTION OF THE LAKES NETWORK OF CURUAI FLOODPLAIN BY CLASSIFICATION OF RADAR ALTIMETRY ECHOES Open
International audience
View article: Validation of the altimetry-based water levels from Sentinel-3A and B in the Inner Niger Delta
Validation of the altimetry-based water levels from Sentinel-3A and B in the Inner Niger Delta Open
The comprehension of water level fluctuations and the sustainability of the Inner Niger River Delta (IND) is a major concern for the scientific community, but also for the local population. Located in the centre of Mali, the heart of the S…
View article: Investigating links between rainfall variations in the Ogooué River basin and ENSO in the Pacific Ocean over the period 1940–1999
Investigating links between rainfall variations in the Ogooué River basin and ENSO in the Pacific Ocean over the period 1940–1999 Open
This paper investigates links between rainfall variability in the Ogooué River Basin (ORB) and El Niño Southern Oscillation (ENSO) in the Pacific Ocean. Recent hydroclimatology studies of the ORB and surrounding areas resulting in contrast…
View article: Automatic Detection of Inland Water Bodies along Altimetry Tracks for Estimating Surface Water Storage Variations in the Congo Basin
Automatic Detection of Inland Water Bodies along Altimetry Tracks for Estimating Surface Water Storage Variations in the Congo Basin Open
Surface water storage in floodplains and wetlands is poorly known from regional to global scales, in spite of its importance in the hydrological and the carbon balances, as the wet areas are an important water compartment which delays wate…
View article: Evaluation of the Performances of Radar and Lidar Altimetry Missions for Water Level Retrievals in Mountainous Environment: The Case of the Swiss Lakes
Evaluation of the Performances of Radar and Lidar Altimetry Missions for Water Level Retrievals in Mountainous Environment: The Case of the Swiss Lakes Open
Radar altimetry is now commonly used to provide long-term monitoring of inland water levels in complement to or for replacing disappearing in situ networks of gauge stations. Recent improvements in tracking and acquisition modes improved t…
View article: Long-term Hydrological Variations of the Ogooue River Basin
Long-term Hydrological Variations of the Ogooue River Basin Open
Earth and Space Science Open Archive This preprint has been submitted to and is under consideration at AGU Books. ESSOAr is a venue for early communication or feedback before peer review. Data may be preliminary.Learn more about preprints …
View article: Improving the Estimation of Water Level over Freshwater Ice Cover using Altimetry Satellite Active and Passive Observations
Improving the Estimation of Water Level over Freshwater Ice Cover using Altimetry Satellite Active and Passive Observations Open
Owing to its temporal resolution of 10-day and its polar orbit allowing several crossings over large lakes, the US National Aeronautics and Space Administration (NASA) and the French Centre National d’Etudes Spatiales (CNES) missions inclu…
View article: Inversion of Surface Soil Moisture from Radar Altimetry Backscattering in Semi-Arid Environments
Inversion of Surface Soil Moisture from Radar Altimetry Backscattering in Semi-Arid Environments Open
International audience
View article: Evolution of the Performances of Radar Altimetry Missions from ERS-2 to Sentinel-3A over the Inner Niger Delta
Evolution of the Performances of Radar Altimetry Missions from ERS-2 to Sentinel-3A over the Inner Niger Delta Open
Radar altimetry provides unique information on water stages of inland hydro-systems. In this study, the performance of seven altimetry missions, among the most commonly used in land hydrology (i.e., European Remote-Sensing Satellite-2 (ERS…
View article: Quantification of surface water volume changes in the Mackenzie Delta using satellite multi-mission data
Quantification of surface water volume changes in the Mackenzie Delta using satellite multi-mission data Open
Quantification of surface water storage in extensive floodplains and their dynamics are crucial for a better understanding of global hydrological and biogeochemical cycles. In this study, we present estimates of both surface water extent a…
View article: Monitoring Water Levels and Discharges Using Radar Altimetry in an Ungauged River Basin: The Case of the Ogooué
Monitoring Water Levels and Discharges Using Radar Altimetry in an Ungauged River Basin: The Case of the Ogooué Open
Radar altimetry is now commonly used for the monitoring of water levels in large river basins. In this study, an altimetry-based network of virtual stations was defined in the quasi ungauged Ogooué river basin, located in Gabon, Central Af…
View article: Multi-Satellite Altimeter Validation along the French Atlantic Coast in the Southern Bay of Biscay from ERS-2 to SARAL
Multi-Satellite Altimeter Validation along the French Atlantic Coast in the Southern Bay of Biscay from ERS-2 to SARAL Open
Monitoring changes in coastal sea levels is necessary given the impacts of climate change. Information on the sea level and its changes are important parameters in connection to climate change processes. In this study, radar altimetry data…
View article: Quantification of surface water volume changes in theMackenzie Delta using satellite multi-mission data
Quantification of surface water volume changes in theMackenzie Delta using satellite multi-mission data Open
Quantification of surface water storage in extensive floodplains and their dynamics are crucial for a better understanding of global hydrological and biogeochemical cycles. In this study, we present estimates of both surface water extent a…