Research project: Water4agri3D
Very high resolution stereoscopy DEM to map true bathymetry of hundreds of small reservoirs composing the Water Harvesting system in India
Researcher in the National French Research Institute for Sustainable Development
How to evaluate agricultural impacts on water resources at a catchment scale?
Agricultural activities are highly hinging on good quality natural resources (soil structure, water resource quality/quantity) and itself impact the environment quality (soil degradation, water contamination).
Nowadays, intensive and food-producing agriculture is challenging :
As reminded by the demonstrators of the death of evidence in 2012 in Otawa, Canada, environmental decisions should be based on evidence and facts, and advances in environmental sciences must be used to build fair and efficient environmental policies.
AGRO-HYDROLOGY integrates the knowledge of interdisciplinary scientific fields, from agronomy, soil sciences, hydrology, hydro-geology, remote sensing and climatology. It pictures the situation of water resources under human activities, test the efficiency of designed water/agricultural management options and is used to project the nowadays water consumption under future climate or socio-economical situations.
This website is a brief description of my scientific researches, focusing on the agricultural impact on the river/groundwater resources within river basins, from small catchments (few km²) to agricultural region (1000 km²).
As emerging satellite earth observation programs will give the opportunity to monitor the variability of the land cover at a high spatial resolution all around the world (Sentinel-1 & sentinel-2, RISAT-1), I have currently focused my research on demonstrating the value of using high resolution optical satellite images with frequent systematic observation to spatially constrain the crop growth productivity. Indeed, massive systematic satellite observations will be widely available thanks to forthcoming scientific satellite missions Venμs (Vegetation and Environment monitoring on a New Micro-Satellite) or operational missions like Sentinels 1 and 2 that provide high spatial resolution images with 4/5 days of revisiting period for free.
Both field work, remote sensing and spatial modelling approaches are used to evaluate the agricultural impact in a context of global changes (socio-economical - landuse - climate changes).
Agricultural activities are highly hinging on good quality natural resources (soil structure, water resource quality/quantity) and itself impact the environment quality (soil degradation, water contamination).
Nowadays, intensive and food-producing agriculture is challenging :
- an increase of competing demand for land (Urban expansion, bio-fuel or cash crop) and water resources (industries, urban consumption)
- natural hazards related to global changes (climate changes, socio-economic changes)
- the increasing food demand of the worldwide market.
As reminded by the demonstrators of the death of evidence in 2012 in Otawa, Canada, environmental decisions should be based on evidence and facts, and advances in environmental sciences must be used to build fair and efficient environmental policies.
AGRO-HYDROLOGY integrates the knowledge of interdisciplinary scientific fields, from agronomy, soil sciences, hydrology, hydro-geology, remote sensing and climatology. It pictures the situation of water resources under human activities, test the efficiency of designed water/agricultural management options and is used to project the nowadays water consumption under future climate or socio-economical situations.
This website is a brief description of my scientific researches, focusing on the agricultural impact on the river/groundwater resources within river basins, from small catchments (few km²) to agricultural region (1000 km²).
As emerging satellite earth observation programs will give the opportunity to monitor the variability of the land cover at a high spatial resolution all around the world (Sentinel-1 & sentinel-2, RISAT-1), I have currently focused my research on demonstrating the value of using high resolution optical satellite images with frequent systematic observation to spatially constrain the crop growth productivity. Indeed, massive systematic satellite observations will be widely available thanks to forthcoming scientific satellite missions Venμs (Vegetation and Environment monitoring on a New Micro-Satellite) or operational missions like Sentinels 1 and 2 that provide high spatial resolution images with 4/5 days of revisiting period for free.
Both field work, remote sensing and spatial modelling approaches are used to evaluate the agricultural impact in a context of global changes (socio-economical - landuse - climate changes).
Research Project : Agro-hydrology from Space
The demonstration takes place in South-India for groundwater shortage issues in irrigated semi arid areas of the Deccan plateau.
- Objectives: Detection of Essential Environmental Variables (EEVs) with Sentinel synergetic radar and optical observations and development of assimilation scheme into soil-crop models coupled with distributed hydrological models.
- a global observation of earth
- a short time of revisit
- an high spatial resolution,
The demonstration takes place in South-India for groundwater shortage issues in irrigated semi arid areas of the Deccan plateau.
Field work
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Distributed agro-hydrological models
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Satellite remote sensing derived data
Landsat (30 meters)
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Sylvain Ferrant, Agro-Hydrologist
S. Ferrant, Singapore, sept 2012
IRD researcher at Centre d'Etudes Spatiales de la Biosphère (CESBIO).
[email protected]
[email protected]
18 av. E. Belin, bpi 2801
31401 Toulouse cedex 9
http://perso.numericable.fr/sylvain.ferrant/
CV
[email protected]
[email protected]
18 av. E. Belin, bpi 2801
31401 Toulouse cedex 9
http://perso.numericable.fr/sylvain.ferrant/
CV