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., Batyrbaeva M.Zh. E-mail: aterekhov1@yandex.ru ENVIROMIS’2008, Tomsk, June 28 - July 5, 2008

Russia Kazakhstan

7 7 0 1461 1464 144 144 8 8 0 18 18 144 144 126 − IVI i IVI min IVCI= IVCI 8 1 − IVI max IVI min Information about satellite data archive (1999-curent time)

Index IVI 1.2 3.0 0 4.8 6.0 7.2 Soil vegetation Integral vegetation index in Kazakhstan during 2007 year

2000 2001 2002 2003 2004 2005 2007 2006 Index IVI 0 1.2 3.0 4.8 6.0 7.2 Vegetation Soil Dynamic of integral vegetation index in Kazakhstan during 2000-2007 years.

2000-1999 2001-2000 2002-2001 2003-2002 2004-2003 2005-2004 (IVI i+1 – IVI i )/ ( IVI max ) med -0.3 0 0.3 Comparison of normalized integral vegetation indexes

2000 2001 2002 2003 2004 2005 % (IVImax)med 2006 2007 10 20 30 40 Zone D Zone A Zone B Zone C Zone E Zones with different productivity in Kazakhstan during 2000-2007 years.

1200,0 square, thousands km2 1000,0 800,0 600,0 400,0 200,0 0,0 2000 2001 2002 2003 2004 2005 2006 2007 zone A zone B zone C zone D zone E year Dynamic of zones with different productivity during 2000-2007 in Kazakhstan

2002_2004 2002_2006 High vegetation in 2002 year Low vegetation in 2004 year Low vegetation in 2006 year Transition zone 2002_2004,2006 Disposition of transition zone during 2002-2006

2005 2007 2005 2007 together 2005 and 2007 years. Disposition of low IVI values in transition zone

%/ VCI 80,00 70,00 60,00 50,00 40,00 30,00 20,00 10,00 0,00 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 год VCI dynamic, vegetation season average (April-September) on Kazakhstan during 1982-2002 [F. Kogan] .

Crop land productivity map 2006 Satellite forecast

Structure of agriculture land. Auliekolsky rayon, Kostanay oblast Crop land 2008 Abandon land

Monitoring of antropogenic impact on vegetation of Kostanay oblast crop land abandon land Natural vegetation

Fractional structure of Kostanay oblast vegetation Cropland Abandon land

Vegetation dynamic of basic classes in Kostanay oblast during 2005 year NDVI Abandon land Cropland Nature land April May June July August September

Vegetation dynamic of basic classes in Kostanay oblast during 2006 year NDVI Cropland Abandon land Nature land April May June July August September

Vegetation dynamic of basic classes in Kostanay oblast during 2007 year NDVI Cropland Abandon land Nature land April May June July August September

Vegetation dynamic of cropland in Kostanay oblast during 2005 -2007 years NDVI 2005 2007 2006 April May June July August September

Fractions of basic vegetation types (IVI) of Kostanay oblast in dry and humidity year. 2005 2006 Natural Abandon Cropland Humidity Dry

Key test area in Kostanay oblast May 20, 2008

RGB-pseudo color composite RGB 211 [MODIS, band 1,2] of key area . May 14, 2005 May 22, 2007 May 15, 2004 May 20, 2008 May 21, 2006

NDVI-dynamics of key area during 2001-2007 years NDVI 2002 2003 2001 2000 2006 2005 2007 2004 April May June

Thanks for attention