MODIS 16d NDVI
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MODIS 16d NDVI. White: raw values Green: filter + smooth. 2011. 2012. 2013. May 2013. Aug 2013. Raw NDVI. Y. N. NDVI [x+1] < 0.7 *NDVI [x ]. NDVI [x+1] = AVG ( NDVI [x] , NDVI [x+2] ). FILTERED NDVI. SMOOTH ( NDVI, 4 ). FILTERED & SMOOTHED NDVI. The algorithm used by SMOOTH is:.

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May 2013

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May 2013

MODIS 16d NDVI

White: raw values

Green: filter + smooth

2011

2012

2013

May 2013

Aug 2013


May 2013

Raw NDVI

Y

N

NDVI[x+1] < 0.7*NDVI[x]

NDVI[x+1]=AVG(NDVI[x],NDVI[x+2])

FILTERED NDVI

SMOOTH( NDVI, 4 )

FILTERED & SMOOTHED

NDVI

The algorithm used by SMOOTH is:

  • where N is the number of elements in A


May 2013

MODIS 16d NDVI

LANDSAT8 NDVI

2km

MahaleMountain N. P.

Tanzania

  • MODIS NOTE :

  • Water masking

  • Low spatial resolution

  • In fragmented landscapes NDVI is higher (in dry areas) then Landsat

OLI_TIRS

P:172 R:064

2013


May 2013

L7 ETM+ Slc-off

OLI

11

L7 ETM+ Slc-off

L4/5 TM

7

L7 ETM+ Slc-on / Slc-off

L7 ETM+ Slc-on

L7 ETM+ Slc-on

3

3

L7 ETM+ Slc-on

L7 ETM+ Slc-on

L4/5 TM

L4/5 TM

L4/5 TM

L4/5 TM

L4/5 TM

X

X

X

X

X

X

Apr – Sept

2013

Apr – Sept

1999

Apr – Sept

2002

Apr – Sept

2003

Apr – Sept

2000

Apr – Sept

2001

Apr – Sept

2004

10y


May 2013

7Th July

20Th June

4Th June

19Th May

8Th September

23Rd August

22Th July

7Th August

MahaleMountain N. P.

Tanzania

OLI_TIRS

P:172 R:064

2013

Seasonal composite


May 2013

15Th April

1St May

17Th May

18Th June

4Th July

21St August

20Th July

5Th August

6Th September

West Lunga National Park

Zambia

OLI_TIRS

P:174 R:069

2013

Seasonal composite


May 2013

15Th April

1St May

17Th May

18Th June

4Th July

21St August

20Th July

5Th August

6Th September

West Lunga National Park

Zambia

OLI_TIRS

P:174 R:069

2013

Seasonal composite


May 2013

15Th April

1St May

17Th May

18Th June

4Th July

21St August

20Th July

5Th August

6Th September

West Lunga National Park

Zambia

OLI_TIRS

P:174 R:069

2013

Seasonal composite


May 2013

13Th June

12Th May

28Th May

26Th April

16St August

17Th July

29Th June

Mana Pools National Park

Zimbabwe

OLI_TIRS

P:171 R:071

2013

Seasonal composite


May 2013

17Th June

3rd July

16Th May

30Th April

4th August

19Th July

Gorongosa National Park

Mozambique

OLI_TIRS

P:167 R:073

2013

Seasonal composite


May 2013

17Th June

15Th May

13Th April

29Th April

4Th Sept

3Rd August

2Nd July

Tsimanampetsotsa National Park

Madagascar

OLI_TIRS

P:160 R:077

2013

Seasonal composite


May 2013

New example 2b add: Gorongosa and Madagascar

Work has been done in collaboration with Simonetti Edoardo for his bachelor degree thesis foreseen for the end of 2013. The prototype might be further developed and adapted within the BIOPAMA initiative.


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