argentina site jecam joint experiment for crop assessing and monitoring paticipants: carlos di bella...
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ARGENTINA SITE
JECAMJoint Experiment for Crop Assessing
and Monitoring
Paticipants: Carlos Di Bella Diego de Abelleyra
Santiago Verón Alejandro Thompson
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JECAM Objectives:
The goal of JECAM is to reach a convergence of approaches, develop monitoring and reporting protocols and best practices for a variety of global agricultural systems.
JECAM will facilitate the comparisson of results of crop monitoring based on different sources of data and methodologies over a variety of global cropping systems
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JECAM proposal for Argentina
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Production Systems in the Argentina Pampas
- Mostly no till systems in rainfed conditions- Principal soil use:
- Winter crops: Wheat, Barley- Summer crops: Soybean, Maize, Sunflower- Grasslands and Pastures
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Study Site: San Antonio de Areco
- Location: 100 Km from Buenos Aires- Representative rural area of the Argentine Pampas- Part of the ondulated pampa (gently slopes and rivers). - Soils: composed mostly of Mollisols (Deep surface layer with high organic mater content) being one of the most productives zones of Argentina
Buenos Aires
70 Km
20 Km
100 Km
San Antonio de Areco
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Producción SOJA (Tn)
0
10000000
20000000
30000000
40000000
50000000
60000000
2000 /01 2001 /02 2002 /03 2003 /04 2004 /05 2005 /06 2006 /07 2007 /08 2008 /09 2009 /10
Producción TRIGO (Tn)
0
5000000
10000000
15000000
20000000
2000 /01 2001 /02 2002 /03 2003 /04 2004 /05 2005 /06 2006 /07 2007 /08 2008 /09 2009 /10
SOYBEAN Production (Tn) WHEAT Production (Tn)
Rendimiento SOJA (Kg Ha-1)
0
500
1000
1500
2000
2500
3000
3500
2000 /01 2001 /02 2002 /03 2003 /04 2004 /05 2005 /06 2006 /07 2007 /08 2008 /09 2009 /10
Rendimiento TRIGO (Kg Ha-1)
0
500
1000
1500
2000
2500
3000
2000 /01 2001 /02 2002 /03 2003 /04 2004 /05 2005 /06 2006 /07 2007 /08 2008 /09 2009 /10
SOYBEAN mean yield (Kg/Ha) WHEAT mean yield (Kg/Ha)
Superficie SOJA (Ha)
0
5000000
10000000
15000000
20000000
2000 /01 2001 /02 2002 /03 2003 /04 2004 /05 2005 /06 2006 /07 2007 /08 2008 /09 2009 /10
Superficie TRIGO (Ha)
0
1000000
2000000
3000000
4000000
5000000
6000000
7000000
8000000
2000 /01 2001 /02 2002 /03 2003 /04 2004 /05 2005 /06 2006 /07 2007 /08 2008 /09 2009 /10
SOYBEAN harvested area (Ha) WHEAT harvested area (Ha)
Crop Production = harvested area x mean yield
Crop production statistics at national level in Argentina (2000-2010). MINAGRI
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Interanual variability in crop production
variablity in planted area of each crop
variability in crop yield
Environmental situation (drought, water excess)
Crop management practices
In addition to available optical information, RADAR systems, because of their ability to obtain images independently of cloud conditions, assure the acquisition of images in the key periods that determine crop yields.Nevertheless, studies that relates RADAR indices and crop status are not as frequent as what was done with optical sensors.
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Estimate parameters that describe wheat and soybean growth and algorithms that allow the identification of different crop species in the Argentine Pampas through the integration of information derived from optical and RADAR systems.
Main objective of Argentine JECAM Site:
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1. Estimation of biophysical parameters in wheat and soybean crops
2. Crop type and tillage system classification, and phenological events identification
- High frequency of in situ observations and image aquisitions- Smaller area
- Lower frequency of in situ observations and image aquisitions- Larger area
Objectives at Argentina site:
Intensive data collection area
Extensive data collection area
70 Km
20 Km
San Antonio de Areco
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Crop Calendar in Argentine Pampas
WHEAT
MAIZE
SOYBEAN
J J A S O N D J F M A M J
Extensive data collection timing and required image acquisitions
Intensive data collection timing and required image acquisitions (wheat and soybean crops)
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RADAR:X band: TerraSAR XC band: RADARSAT-2, ENVISAT ASARL band: ALOS PALSAR
Optical:LANDSAT 5MODISALOS AVNIR-2ALOS PRISMLISS 3-4AWIFSHJ1-Hyperspectral
Image Data required:
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Field campaign measurements carried out during 2010-2011
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Measurements on wheat (august to november 2010) and early and late soybean crops (november 2010 to april 2011):
Measurements over fallow plots:
- Crop biomass- Crop water content- Crop Height- fAPAR- Crop cover / LAI- Crop phenology- Gravimetric soil moisture (0-5 cm)
Additional measurements: row direction, row space, in situ soil moisture sensors with dataloggers
Measurement frequency: 24 days aprox.
- Green cover - Gravimetric soil moisture (0-5 cm)
Intensive data collection
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Wheat / Late SoybeanWheat / FallowFallow / Early Soybean
Plots:
Intensive data collection area - Field Campaign 2010/2011
Measurements every 24 days from august 2010 to april 2011
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Extensive surveys:
- August / September 2010: Identification of winter crops, fallow and grassland areas and Identification of conventional ploughing plots
- October 2010: Identification of heading in wheat fields
- January / February 2011: Identification of summer crops (maize, soybean, sorghum)
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Extensive data collection area - Field Campaign 2010/2011 -
Surveys:- Crop type- Tillage system- Phenological state (wheat heading)
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Images acquired at San Antonio de Areco during
2010-2011
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RADARSAT-2 acquisitions (C band) - Extensive Field Campaign 2010/2011
* Available at CCRS catalogue
Main acquisition periods:- October 2010- December 2010- February 2011- March 2011
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RADARSAT-2 acquisitions (C band) - Intensive Field Campaign 2010/2011
* Available at CCRS catalogue
Acq. DateBeam Mode
Pass Dir
04/23/2011FQ16 Ascending
02/27/2011FQ21 Ascending
02/03/2011FQ21 Ascending
01/30/2011FQ21 Descending
01/23/2011FQ16 Descending
01/10/2011FQ21 Ascending
01/06/2011FQ21 Descending
12/17/2010FQ21 Ascending
12/13/2010FQ21 Descending
12/13/2010FQ21 Descending
11/30/2010FQ16 Ascending
11/23/2010FQ21 Ascending
11/19/2010FQ21 Descending
11/12/2010FQ16 Descending
11/06/2010FQ16 Ascending
10/30/2010FQ21 Ascending
10/26/2010FQ21 Descending
10/26/2010FQ21 Descending
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ALOS PALSAR (L band) acquisitions – Field campaign 2010-2011
Beam Mode
Off Nadir Angle
StartPath Number
Frame Number
PLR 21.5APR-11-2011 86 6500
FBS 34.3FEB-17-2011 91 6490
FBS 34.3JAN-31-2011 90 6490
FBS 34.3JAN-02-2011 91 6490
PLR 21.5NOV-24-2010 86 6500
FBD 34.3OCT-02-2010 91 6490
FBD 34.3SEP-15-2010 90 6490
FBD 34.3AUG-17-2010 91 6490
FBD 34.3JUL-02-2010 91 6490
* Available at ALOS catalogue
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Other obtained images - Field Campaign 2010/2011
- LANDSAT 5 TM: Paths/Rows: 226-84 & 225/84- daily MOD09 & MYD09: 250 m resolution- EO-1 ALI (August 2010)
LANDSATTiles
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Preliminary results
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175 200 225 250 275 300 3250.00
0.25
0.50
0.75
1.00
Early wheatEarly wheat MOD13Late wheat
Late wheat MOD13
julian date
ND
VI
Daily MODIS 250 m – Wheat fields – San Antonio de Areco
Original data
175 200 225 250 275 300 3250.00
0.25
0.50
0.75
1.00
Early wheat - BRDF corr.Early wheat MOD13Late wheat - BRDF corr.
Late wheat MOD13
julian date
ND
VI
BRDF corrected data
Sowing dates:Early wheat: 06/09/2010 (161)Late wheat: 07/15/2010 (197)
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Future activities:
- RADAR image analysis (availabilty of RADARSAT-2 images required)- Continue analyzing relations between crop parameters and image derived information (optical and RADAR indices)- Add RADAR information to improve typical land use classifcations perfomed with optical images (LANDSAT)- MODIS BRDF correction validation
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Thank you!
Obrigado!