Radiation Products Applications
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Ministério da Educação e Ciência Instituto de Meteorologia, I. P. Rua C – Aeroporto de Lisboa 1749-077 Lisboa – Portugal Tel.: (351) 21 844 7000 Fax: (351) 21 840 2370 e-mail: [email protected] URL: http://www.meteo.pt Radiation Products Applications Isabel F. Trigo
description
Radiation Products Applications. Isabel F. Trigo. Radiation Products. MSG-based Radiation Products Albedo Variability Signatures in LST fields LST & Vegetation LST as a model diagnostic tool Surface Radiation Budget Long-wave Short-wave. Radiation Products. - PowerPoint PPT Presentation
Transcript of Radiation Products Applications
Ministério da Educação e Ciência Instituto de Meteorologia, I. P. Rua C – Aeroporto de Lisboa 1749-077 Lisboa – Portugal Tel.: (351) 21 844 7000 Fax: (351) 21 840 2370 e-mail: [email protected] URL: http://www.meteo.pt
Radiation Products
Applications
Isabel F. Trigo
Ministério da Educação e Ciência Instituto de Meteorologia, I. P. Rua C – Aeroporto de Lisboa 1749-077 Lisboa – Portugal Tel.: (351) 21 844 7000 Fax: (351) 21 840 2370 e-mail: [email protected] URL: http://www.meteo.pt
Radiation Products
MSG-based Radiation Products
Albedo Variability
Signatures in LST fields
LST & Vegetation
LST as a model diagnostic tool
Surface Radiation Budget
Long-wave
Short-wave
Ministério da Educação e Ciência Instituto de Meteorologia, I. P. Rua C – Aeroporto de Lisboa 1749-077 Lisboa – Portugal Tel.: (351) 21 844 7000 Fax: (351) 21 840 2370 e-mail: [email protected] URL: http://www.meteo.pt
The LSA SAF generates, archives and distributes
Albedo - AL
Land Surface Temperature (and emissivity) – LST ( & EM)
Down-welling Short-wave Fluxes at the Surface - DSSF
Down-welling Long-wave Fluxes at the Surface - DSLF
Radiation Products
Ministério da Educação e Ciência Instituto de Meteorologia, I. P. Rua C – Aeroporto de Lisboa 1749-077 Lisboa – Portugal Tel.: (351) 21 844 7000 Fax: (351) 21 840 2370 e-mail: [email protected] URL: http://www.meteo.pt
4 production areas for MSG- Europe- Northern Africa- Southern Africa- Southern America
Geostationary Projection 3 km at sub-satellite point
Radiation Products
1701 cols x 651 lines
2211 cols x 1151 lines
1211 cols x 1191 lines
701 cols x 1511 lines
Ministério da Educação e Ciência Instituto de Meteorologia, I. P. Rua C – Aeroporto de Lisboa 1749-077 Lisboa – Portugal Tel.: (351) 21 844 7000 Fax: (351) 21 840 2370 e-mail: [email protected] URL: http://www.meteo.pt
Radiation Products
Merging MSG areas
Geostationary Projection 3 km at sub-satellite point
3712 columns x 3712 lines
1550
1240
40
2140
1460
700
1850
50
Form 1 matrix for the whole disk [3712 x 3712]
taking into account that for LSA SAF areas top line in the disk is
and left column is
XX
XX
Ministério da Educação e Ciência Instituto de Meteorologia, I. P. Rua C – Aeroporto de Lisboa 1749-077 Lisboa – Portugal Tel.: (351) 21 844 7000 Fax: (351) 21 840 2370 e-mail: [email protected] URL: http://www.meteo.pt
Radiation Products
See Product User ManualsAnd also
• Algorithm Theoretical Basis Document• Validation Report• Product Output Format
Peer Reviewed Publications
Ministério da Educação e Ciência Instituto de Meteorologia, I. P. Rua C – Aeroporto de Lisboa 1749-077 Lisboa – Portugal Tel.: (351) 21 844 7000 Fax: (351) 21 840 2370 e-mail: [email protected] URL: http://www.meteo.pt
Snow
Snow
Albedo Seasonal Cycle:
Primarily driven by Vegetation & Snow
High Albedo Values over
Deserts
Low Albedo Values
Vegetated Areas
Radiation Products - Albedo
Ministério da Educação e Ciência Instituto de Meteorologia, I. P. Rua C – Aeroporto de Lisboa 1749-077 Lisboa – Portugal Tel.: (351) 21 844 7000 Fax: (351) 21 840 2370 e-mail: [email protected] URL: http://www.meteo.pt
July 2007 December 2007
Radiation Products - Albedo
Spot the Differences!
Use
Ministério da Educação e Ciência Instituto de Meteorologia, I. P. Rua C – Aeroporto de Lisboa 1749-077 Lisboa – Portugal Tel.: (351) 21 844 7000 Fax: (351) 21 840 2370 e-mail: [email protected] URL: http://www.meteo.pt
Lake Kariba
Cabora Bassa Dam
Okavango Delta
Malawi
Tanganica
ALBEDO
Ministério da Educação e Ciência Instituto de Meteorologia, I. P. Rua C – Aeroporto de Lisboa 1749-077 Lisboa – Portugal Tel.: (351) 21 844 7000 Fax: (351) 21 840 2370 e-mail: [email protected] URL: http://www.meteo.pt
Radiation Products - Albedo
01 May 2011 Anomaly
Ministério da Educação e Ciência Instituto de Meteorologia, I. P. Rua C – Aeroporto de Lisboa 1749-077 Lisboa – Portugal Tel.: (351) 21 844 7000 Fax: (351) 21 840 2370 e-mail: [email protected] URL: http://www.meteo.pt
01 May 2011 Anomaly
Signatures of
Drought ?
Higher than usual Precipitation?
Snow anomaly?
Radiation Products - Albedo
Ministério da Educação e Ciência Instituto de Meteorologia, I. P. Rua C – Aeroporto de Lisboa 1749-077 Lisboa – Portugal Tel.: (351) 21 844 7000 Fax: (351) 21 840 2370 e-mail: [email protected] URL: http://www.meteo.pt
01 May 2011 Anomaly
Signatures of
Drought ?
Higher than usual Precipitation?
Snow Anomaly?
Radiation Products - Albedo
Precipitation: % of Normal for April 2011 (source: GPCC)
Ministério da Educação e Ciência Instituto de Meteorologia, I. P. Rua C – Aeroporto de Lisboa 1749-077 Lisboa – Portugal Tel.: (351) 21 844 7000 Fax: (351) 21 840 2370 e-mail: [email protected] URL: http://www.meteo.pt
01 May 2011 Anomaly
Radiation Products - Albedo
Namibia
Heavy Rainfall in May 2011
Source:
http://earthobservatory.nasa.gov/NaturalHazards/view.php?id=50573
Ministério da Educação e Ciência Instituto de Meteorologia, I. P. Rua C – Aeroporto de Lisboa 1749-077 Lisboa – Portugal Tel.: (351) 21 844 7000 Fax: (351) 21 840 2370 e-mail: [email protected] URL: http://www.meteo.pt
15 August 2009 00UTC
Montains
Radiation Products - LST
Features in LST maps ...
Night-time!!
Ministério da Educação e Ciência Instituto de Meteorologia, I. P. Rua C – Aeroporto de Lisboa 1749-077 Lisboa – Portugal Tel.: (351) 21 844 7000 Fax: (351) 21 840 2370 e-mail: [email protected] URL: http://www.meteo.pt
Radiation Products - LST
Features in LST maps ...
Major cities – Urban Heat Island
Inland Water Bodies
?
15 August 2009 00UTC
Night-time!!
Ministério da Educação e Ciência Instituto de Meteorologia, I. P. Rua C – Aeroporto de Lisboa 1749-077 Lisboa – Portugal Tel.: (351) 21 844 7000 Fax: (351) 21 840 2370 e-mail: [email protected] URL: http://www.meteo.pt
Paris
Rome
Lakes15 August 2009 00UTC
Radiation Products - LST
Features in LST maps ...
Night-time!!
Ministério da Educação e Ciência Instituto de Meteorologia, I. P. Rua C – Aeroporto de Lisboa 1749-077 Lisboa – Portugal Tel.: (351) 21 844 7000 Fax: (351) 21 840 2370 e-mail: [email protected] URL: http://www.meteo.pt
Mapping the Heat-Wave in Europe JUL 2007
LST Composite 19-23 July 200712 UTC
Eastern and South-Eastern Europe
Heat Waves
Radiation Products - LST
Ministério da Educação e Ciência Instituto de Meteorologia, I. P. Rua C – Aeroporto de Lisboa 1749-077 Lisboa – Portugal Tel.: (351) 21 844 7000 Fax: (351) 21 840 2370 e-mail: [email protected] URL: http://www.meteo.pt
Radiation Products - LST
Daily Amplitudes of LST are generally anti-correlated with Fraction of Vegetation
Vegetation controls temperature via Evapotranspiration
X 2009X 2010X 2011
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Forecast experiments with ECMWF model
CTL: Constant LAI
LAI_MOD: LAI MODIS climate
Constant LAI
LAI MODIS climateJanuary July
Boussetta et al., 2011
Radiation Products – LST & Land Sfc Models
Ministério da Educação e Ciência Instituto de Meteorologia, I. P. Rua C – Aeroporto de Lisboa 1749-077 Lisboa – Portugal Tel.: (351) 21 844 7000 Fax: (351) 21 840 2370 e-mail: [email protected] URL: http://www.meteo.pt
Bias of control Exp: Model Skin Temp – LSA SAF LST
Tsk_CTL – LST
12 UTC00 UTC
Good agreement of night-time temperatures;
Underestimation of daily amplitudes, particularly in semi-arid and/or sparsely vegetated regions.
Ministério da Educação e Ciência Instituto de Meteorologia, I. P. Rua C – Aeroporto de Lisboa 1749-077 Lisboa – Portugal Tel.: (351) 21 844 7000 Fax: (351) 21 840 2370 e-mail: [email protected] URL: http://www.meteo.pt
Impact on model skin Temperature
Impact on variable X: │X_CTL – X_obs│- │X_MOD – X_obs│
Mean absolute Error of Control Experiment - Mean Error of Modified model
Impact > 0 Error Reduction
Ministério da Educação e Ciência Instituto de Meteorologia, I. P. Rua C – Aeroporto de Lisboa 1749-077 Lisboa – Portugal Tel.: (351) 21 844 7000 Fax: (351) 21 840 2370 e-mail: [email protected] URL: http://www.meteo.pt
Changing LAI: Impact on skin Temperature
There is a positive impact of the MODIS LAI in MAM (and JJA – not shown) in daytime temperatures.
The impact is higher in regions where vegetation presents large annual cycles.
The impact is small for night-time cases (when model biases are smaller).
12 UTC0 UTC
Ministério da Educação e Ciência Instituto de Meteorologia, I. P. Rua C – Aeroporto de Lisboa 1749-077 Lisboa – Portugal Tel.: (351) 21 844 7000 Fax: (351) 21 840 2370 e-mail: [email protected] URL: http://www.meteo.pt
Radiation Products
Down-welling Short- and Long-wave Fluxes are strongly influenced by clouds; at seasonal scale, they will have the signature of
ITCZ and monsoon (tropics)
dominant storm-tracks (mid-latitudes)
Also ...
Short-Wave ← TOA Incoming solar Radiation
Long-wave ← low-level temperature
Ministério da Educação e Ciência Instituto de Meteorologia, I. P. Rua C – Aeroporto de Lisboa 1749-077 Lisboa – Portugal Tel.: (351) 21 844 7000 Fax: (351) 21 840 2370 e-mail: [email protected] URL: http://www.meteo.pt
FSW
FSW↑
FLW↑
FLW
DSSF
DSLF
ALBEDODSSF
4LST
DSLF
Surface Radiation Budget
Radiation Products
Ministério da Educação e Ciência Instituto de Meteorologia, I. P. Rua C – Aeroporto de Lisboa 1749-077 Lisboa – Portugal Tel.: (351) 21 844 7000 Fax: (351) 21 840 2370 e-mail: [email protected] URL: http://www.meteo.pt
rad
F
SWSWFF
FSW + FLW
LWLWFF
SWSW
FF
DSSF- ALBEDODSSF + DSLF - DSLF (1-ε)-LST4rad
F
Long-wave Radiation budget at the surface
Surface Radiation Budget
Radiation Products
LSA-SAF – CLEAR SKY only!!
Short-wave Radiation budget at the surface
Ministério da Educação e Ciência Instituto de Meteorologia, I. P. Rua C – Aeroporto de Lisboa 1749-077 Lisboa – Portugal Tel.: (351) 21 844 7000 Fax: (351) 21 840 2370 e-mail: [email protected] URL: http://www.meteo.pt
Radiation Products
Downward Short-Wave Surface Radiation
15 Jan 2011 ?15 Jul 2011 ?
2 maps of average daily DSSF (accumulated field / 24 x 3600)
Ministério da Educação e Ciência Instituto de Meteorologia, I. P. Rua C – Aeroporto de Lisboa 1749-077 Lisboa – Portugal Tel.: (351) 21 844 7000 Fax: (351) 21 840 2370 e-mail: [email protected] URL: http://www.meteo.pt
Radiation Products
Downward Short-Wave Surface Radiation
15 Jan 2011 15 Apr 2011
15 Jul 2011 15 Oct 2011
Ministério da Educação e Ciência Instituto de Meteorologia, I. P. Rua C – Aeroporto de Lisboa 1749-077 Lisboa – Portugal Tel.: (351) 21 844 7000 Fax: (351) 21 840 2370 e-mail: [email protected] URL: http://www.meteo.pt
15 Jan 2011 ?15 Jul 2011 ?
Downward Long-Wave Surface Radiation
2 maps of average daily DSLF (accumulated field / 24 x 3600)
Radiation Products
Ministério da Educação e Ciência Instituto de Meteorologia, I. P. Rua C – Aeroporto de Lisboa 1749-077 Lisboa – Portugal Tel.: (351) 21 844 7000 Fax: (351) 21 840 2370 e-mail: [email protected] URL: http://www.meteo.pt
Radiation Products
Downward Long-Wave Surface Radiation
15 Jan 2011 15 Apr 2011
15 Jul 2011 15 Oct 2011
Ministério da Educação e Ciência Instituto de Meteorologia, I. P. Rua C – Aeroporto de Lisboa 1749-077 Lisboa – Portugal Tel.: (351) 21 844 7000 Fax: (351) 21 840 2370 e-mail: [email protected] URL: http://www.meteo.pt
FSW =DSSF- ALBEDODSSF
Short-wave Radiation budget at the surface
Short-Wave Surface Radiation Budget
Radiation Products
15 Jan 2011 15 Jul 2011
Ministério da Educação e Ciência Instituto de Meteorologia, I. P. Rua C – Aeroporto de Lisboa 1749-077 Lisboa – Portugal Tel.: (351) 21 844 7000 Fax: (351) 21 840 2370 e-mail: [email protected] URL: http://www.meteo.pt
Long-wave Radiation
- -
DSLF – Downward Long-wave Radiation
Radiation Reflected by the Surface
Radiation Emitted by the Surface
(1-) DSLF LST4DSLF
=
Balanço
< 0, i.e., sfc generally looses Long-wave Radiation
Surface Radiation Budget
Radiation Products
25 Apr 2006 25 Apr 2006 25 Apr 2006
25 Apr 2006
1 PIXEL (Evora; Southern Portugal)
Ministério da Educação e Ciência Instituto de Meteorologia, I. P. Rua C – Aeroporto de Lisboa 1749-077 Lisboa – Portugal Tel.: (351) 21 844 7000 Fax: (351) 21 840 2370 e-mail: [email protected] URL: http://www.meteo.pt
=
(1-AL) DSSF
Surface Radiation Budget
Radiation Products
SW
LW
TOTAL Radiation Budget
25 Apr 2006
25 Apr 2006
25 Apr 2006
1 PIXEL (Evora; Southern Portugal)
Ministério da Educação e Ciência Instituto de Meteorologia, I. P. Rua C – Aeroporto de Lisboa 1749-077 Lisboa – Portugal Tel.: (351) 21 844 7000 Fax: (351) 21 840 2370 e-mail: [email protected] URL: http://www.meteo.pt
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