Agriculture with Satellite remote sensing & sensors

Preesan Rakwatin

Researcher

Geo-Informatics and Space Development Agency, THAILAND

preesan@gistda.or.th

Develop mock-up system to estimate rice crop production for rain -fed region at Khon Kaen province by using SAR data (ALOS and RADARSAT-2), crop growth model (KKU model) and ground observation data.

2

Rice crop working groups accomplishment in 2011

Khon Kaen ALOS AVNIR-2 c JAXA rain -fed field

mailto:preesan@gistda.or.th

Estimation Process

3

Production = Acreage * Yield

SAR data

analysis

Rice Crop

Acreage

KKU model

Rice Crop

Yield per unit

Acreage

SAR data

analysis

Rice Crop

Acreage

Acreage

Crop model

Rice Crop

Yield

Yield

Satellite data

Satellite data

Ground data

KKU model Statistic

information or

4

Rice crop acreage estimation using SAR image

Khonkean [p482, f310]

-25

-20

-15

-10

-5

0

27-Jun-07 17-Jul-07 06-Aug-07 26-Aug-07 15-Sep-07 05-Oct-07 25-Oct-07

dB

]

Field 1

Field 2

Field 3

Field 4

Field 5

Flooding or Planting

Growing

17th Jul. 1st Sep. 17th Oct.

Rice crop acreage estimation using SAR image 1. Image input (1)

(Transplanting season)

2. Image input (2)

(Well growing season)

3. Initial detection of paddy field

4. Post processing

1. Image input (1)

(Transplanting season)

2. Image input (2)

(Well growing season)

3. Initial detection of paddy field

4. Post processing

Rice crop acreage estimation using SAR image

1. Image input (1)

(Transplanting season)

2. Image input (2)

(Well growing season)

3. Initial detection of paddy field

4. Post processing

Rice crop acreage estimation using SAR image

1. Image input (1)

(Transplanting season)

2. Image input (2)

(Well growing season)

3. Initial detection of paddy field

4. Post processing

Rice crop acreage estimation using SAR image

Rice crop acreage estimation using SAR image

Temperature

Humidity

Wind speed

Rice crop yield estimation using KKU model

10

JAXA

Satellite data Product

TMD

Weather Station data

Solar radiation

(PAR)

Precipitation

Soil moisture

KKU model

Interpolate to the mesh

Get the data every day Day=1

Day=2

Day=3

:

:

Solar radiation

(PAR) Precipitation Soil moisture Weather data

Calculate the yield

per unit each mesh