Methods for monitoring of long-term changes of the vegetation cover - - PowerPoint PPT Presentation
Astrophysical Research Centre, National Space Agency Almaty, KAZAKHSTAN Methods for monitoring of long-term changes of the vegetation cover of Kazakhstan on basis of the satellite information Spivak L.F., Terekhov A.G.*, Vitkovskaya I.S.,
Spivak L.F., Terekhov A.G.*, Vitkovskaya I.S., Batyrbaeva M.Zh.
E-mail: aterekhov1@yandex.ru
Astrophysical Research Centre, National Space Agency Almaty, KAZAKHSTAN ENVIROMIS’2008, Tomsk, June 28 - July 5, 2008
Kazakhstan
Information about satellite data archive (1999-curent time)
IVCI 1464 144 8 144 IVCI=
min max min IVI IVI IVI IVIi − −
1 8 7
18 18 126
1461 144 8 144 7
vegetation Soil Index IVI 1.2 3.0 6.0 4.8 7.2
Integral vegetation index in Kazakhstan during 2007 year
Dynamic of integral vegetation index in Kazakhstan during 2000-2007 years.
Vegetation Soil Index IVI 1.2 3.0 6.0 4.8 7.2
2002 2005 2001 2003 2004 2000 2007 2006
Comparison of normalized integral vegetation indexes
0.3
(IVIi+1 – IVIi)/ (IVImax)med
2000-1999 2001-2000 2002-2001 2005-2004 2003-2002 2004-2003
2006 2000 2004 2001 2003 2002 2005
Zone E Zone D Zone C Zone B Zone A
10 20 30 40 % (IVImax)med
2007
Zones with different productivity in Kazakhstan during 2000-2007 years.
0,0 200,0 400,0 600,0 800,0 1000,0 1200,0 2000 2001 2002 2003 2004 2005 2006 2007 year square, thousands km2 zone A zone B zone C zone D zone E
Disposition of transition zone during 2002-2006
2002_2004 2002_2006 2002_2004,2006
High vegetation in 2002 year Low vegetation in 2004 year Transition zone Low vegetation in 2006 year
Disposition of low IVI values in transition zone
2005 2005 together 2005 and 2007 years. 2007 2007
VCI dynamic, vegetation season average (April-September) on Kazakhstan during 1982-2002 [F. Kogan].
0,00 10,00 20,00 30,00 40,00 50,00 60,00 70,00 80,00 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002
год %/ VCI
Crop land productivity map 2006 Satellite forecast
Crop land 2008 Abandon land
Structure of agriculture land. Auliekolsky rayon, Kostanay oblast
Monitoring of antropogenic impact on vegetation of Kostanay oblast
crop land abandon land Natural vegetation
Cropland Abandon land
Cropland Abandon land Nature land April May June July August
September NDVI
Cropland Abandon land Nature land April May June July August
September
NDVI
Cropland Abandon land Nature land April May June July August
September
NDVI
2005 2006 2007 April May June July August
September NDVI
2005 2006
Humidity Dry
Cropland Abandon Natural
May 20, 2008
May 20, 2008 May 22, 2007 May 21, 2006 May 14, 2005 May 15, 2004
2002 2003 2001 2000 2006 2005 2007 2004
NDVI April May June