Transcript SWOT_SDT_HydrSplit_interactions

SWOT First Science Definition Team meeting
Hydrology Splinter Session
Conveners: Doug Alsdorf, Jean-Francois Cretaux, Nelly Mognard
Discussion Item 4 :
Interactions with other Hydrology Missions, Sensors, Modeling,
and Data Assimilation
Dennis Lettenmaier (University of Washington, U.S.)
Ahmad Al Bitar (CESBIO, CNRS , France)
SWOT - First Science Definition Team meeting - Pasadena, January 28-30, 2013
Support for discussion
1
Enhancing SWOT retrievals by using infromation from other sensors
SWOT
Retrieval
algorithms
EOS
2
- Spatial resolution
Enhanced - Temporal resolution
SWOT
- Coverage
products - Accuracy
Enhancing our knowledge by combining SWOT with other sensors
SWOT
Models
with or without
Assimilation
methods
L4 – Combined
products
(added value)
EOS
SWOT - First Science Definition Team meeting - Pasadena, January 28-30, 2013
Support for discussion
1
Enhancing SWOT retrievals
Examples of potential ancillary datasets
- Enhanced land cover (water mask, land cover, land overlay…)
- using optical sensors
Pleiades 1 2 – (CNES), LDCM (NASA), Sentinel 2 – A & B (ESA)
- using radar and PolnSAR
Sentinel 1 – A & B, RiSAT 2(ISRO)
- Enhanced & dynamic DEM (topography overlay)
-using radar for DTM
TanDEM-X (DLR ), P-Band radar Biomass (P-Band) (ESA)
-using optical for DSM
Pleiades1 (tri-stereo) (CNES) (1.5m relative accuracy)
SWOT - First Science Definition Team meeting - Pasadena, January 28-30, 2013
Support for discussion
1
Enhancing SWOT retrievals
Examples of potential ancillary datasets
- Enhanced time coverage
SWOT with other altimetry missions
Jason 2 (CNES NASA), Jason 3 (CNES NASA),
CryoSat (ESA), Altika (CNES ISRO)
SWOT - First Science Definition Team meeting - Pasadena, January 28-30, 2013
Support for discussion
-
SWOT - First Science Definition Team meeting - Pasadena, January 28-30, 2013
2
Enhancing our knowledge by combining SWOT
SWOT
GPM
LDCM
Total storage
Sentinel2
SMOS
SMAP
Multi-sensor
Assimilation into
integrated
Eco-Hydrological
modeling
GRACE-FO
illustration
(irrelevant scale)
SWOT - First Science Definition Team meeting - Pasadena, January 28-30, 2013
- Build upon existing and contributing to community tools:
Community Land surface models
CLM, SURFEX integrate already hydrological models
but not 2D hydraulic models.
LDAS (Land Data Assimilation Sytems)
- NASA NLDAS GLDAS ?
- Meteo-France (Surfex-EnkF, Surfex-ExKF) ?
- ECMWF (HTESSEL)
An organization of the hydrology community is needed to find
adapted solutions to go forward (Wood et al., 2011) and even
understanding the processes (Beven & Clocke, 2012).
SWOT - First Science Definition Team meeting - Pasadena, January 28-30, 2013
Support for discussion
1. What are the adapted assimilation algorithms for SWOT data ?
2. How to take into consideration scale issues as sensors have very
different resolutions (assimilate coarse into fine scale model) ?
3. Can we deliver an enhanced discharge product trough
assimilation ? By how much ? (Durand et al. 2010?) In the case of
multi sensor approaches, what is the contribution of each sensor
to the enhancements ?
4. What are the drawbacks of using assimilation ?
(interdependence, robustness, …
SWOT - First Science Definition Team meeting - Pasadena, January 28-30, 2013
2
Enhancing our knowledge by combining SWOT with other sensors
Examples of potential ancillary datasets
- Water quality
- Sediment transport using Optical sensors
LDCM, Sentinel-2 A B, Pleiades1
Hydraulic model coupled to sediment transport model
- Water temperature using thermal sensors
LDCM, Mistigri ?? (CNES)
Hydraulic model coupled to thermodynamic models
SWOT - First Science Definition Team meeting - Pasadena, January 28-30, 2013
Timelines of EOS missions relevant to SWOT
SWOT
and
EOS Missions
(this list is not extensive)
SWOT - First Science Definition Team meeting - Pasadena, January 28-30, 2013
SWOT & selected EOS missions for hydrology
2008
2010
2012
2014
2016
2018
2020
2022
2024
2026
2028
2030
2032
SWOT (NASA CNES CSA)
Jason 3 (CNES NASA)
Sentinel 3 (ESA CNES )
SMOS (ESA CNES) L-band /40 km / 3d / global )
SMOS-Next (CNES) ? L-Band /1 km / 3d
SMAP (NASA) 3d / 10-60 km / L-band
Color codes
Altimeters
L-Band Passive
LDCM - LandSat8 (NASA) (optical & thermal
Sentinel 2A (ESA) (optical / 10m / 10 d /global)
Sentinel 2B (ESA) (optical / 10m / 10 d /global )
Optical
Thermal
Radar
Precipitation
Gravity
Sentinel 1A (ESA) (C-Band)
Sentinel 1B (ESA) (C-Band)
Mega-Tropiques (CNES ISRO)
GPM Core Observatory (NASA JAXA)
GRACE-FO (NASA)
SWOT - First Science Definition Team meeting - Pasadena, January 28-30, 2013
SWOT & Altimetry missions
2008
2010
2012
2014
2016
2018
2020
2022
2024
2026
2028
2030
2032
SWOT (NASA CNES CSA)
Jason 1 (CNES NASA)
IceSat-2 (NASA)
Jason 2 (CNES NASA)
Jason 3 (NOAA Eumetsat)
Jason CS (NASA CNES)
Color codes
CryoSat (ESA)
Altimeters
L-Band Passive
Altika (CNES ISRO)
Optical
Thermal
Radar
Sentinel -3 (ESA)
Precipitation
Gravity
SWOT - First Science Definition Team meeting - Pasadena, January 28-30, 2013
SWOT & Soil moisture microwave missions
2008
2010
2012
2014
2016
2018
2020
2022
2024
2026
2028
SWOT (NASA CNES CSA)
SMOS (ESA CNES) 3d / 40 km / L-band / global )
Aquarius (NASA) (100km / 8days / L-Band/ global)
SMAP (NASA) (10-60 km / 3d ) L-band
Color codes
Altimeters
L-Band Passive
Proposals
SMOS-Next (CNES) ? L-Band /1 km / 3d
Optical
Thermal
Radar
Precipitation
Gravity
SWOT - First Science Definition Team meeting - Pasadena, January 28-30, 2013
2030
2032
SWOT & Optical missions
2008
2010
2012
2014
2016
2018
2020
2022
2024
2026
2028
2030
2032
SWOT (NASA CNES CSA)
LandSat7 (NASA)
Pleiade 1A (CNES) (optical / 70 cm/ 1day / local)
Pleiade 1B (CNES) (optical / 70 cm/ 1day / local)
LDCM - LandSat8 (NASA) (optical & thermal
SPOT-4 Take Five (optical) (10m)
Color codes
Altimeters
Sentinel 2A (ESA) (optical / 10m / 10 days /global)
Sentinel 2B (ESA) (optical / 10m / 10 days /global )
L-Band Passive
Optical
Thermal
Radar
VENµS (CNES, IAI) (optical / 10m /2days / local)
SWOT - First Science Definition Team meeting - Pasadena, January 28-30, 2013
Precipitation
Gravity
SWOT & Thermal missions
2008
2010
2012
2014
2016
2018
2020
2022
2024
2026
2028
2030
2032
SWOT (NASA CNES CSA)
Aster (JAXA NASA) (Thermal / local) (100m /local)
LDCM - LandSat8 (NASA) (optical & thermal / 100m / 16 days)
Color codes
Altimeters
L-Band Passive
Proposals
Optical
Mistigri ? (CNES) (50m /daily/ local)
Thermal
HyspIRI ? (CNES) (50m /daily/ local)
Radar
Precipitation
Gravity
SWOT - First Science Definition Team meeting - Pasadena, January 28-30, 2013
SWOT & Radar missions
2008
2010
2012
2014
2016
2018
2020
2022
2024
2026
2028
2030
2032
SWOT (NASA CNES CSA)
TerraSAR X (DLR) (X-Band)
TanDEM X (DLR) (X-Band)
RadarSat-1 (CSA) (C-Band)
RadarSat-2 (CSA) (C-Band)
RiSAT-1 (ISRO) (C-Band)
Sentinel 1A (ESA) (C-Band)
Sentinel 1B (ESA) (C-Band)
Color codes
Altimeters
L-Band Passive
SMAP (NASA) 3d / 10-60 km / L-band
Optical
Thermal
Proposals
Biomass (ESA) ? P-Band
DesDynl (NASA) ? InSAR L-Band
SWOT - First Science Definition Team meeting - Pasadena, January 28-30, 2013
Radar
Precipitation
Gravity
SWOT & Precipitation missions
2008
2010
2012
2014
2016
2018
2020
2022
2024
2026
2028
2030
2032
SWOT (NASA CNES CSA)
NOAA-19 (NASA)
Mega-Tropiques (CNES ISRO)
GPM Core Observatory (NASA JAXA)
Color codes
MetOPA (ESA EumetSat)
MetopB (ESA EumetSat)
MetopC (ESA EumetSat)
Altimeters
L-Band Passive
Optical
Thermal
GCOM-W1 (JAXA)
Radar
Precipitation
Gravity
SWOT - First Science Definition Team meeting - Pasadena, January 28-30, 2013
SWOT & Gravity missions
2008
2010
2012
2014
2016
2018
2020
2022
2024
2026
2028
2030
2032
SWOT (NASA CNES CSA)
GRACE (NASA)
GRACE-FO (NASA)
GOCE (ESA)
Color codes
Altimeters
L-Band Passive
Optical
Thermal
Radar
Precipitation
Gravity
SWOT - First Science Definition Team meeting - Pasadena, January 28-30, 2013