Karlsen S,Solheim I,Beck P,et al.Variability of the start of thegrowing season in Fennoscandia,1982-2002[J].InternationalJournal of Biometeorology,2007,51(6):513-524.
[3]
Piao S,Fang J,Zhou L,et al.Variations in satellite-derived phe-nology in China's temperate vegetation[J].Global Change Biol-ogy,2006,12(4):672-685.
[4]
Archibald S,Scholes R J.Leaf green-up in a semi-arid Africansavanna separating tree and grass responses to environmentalcues[J].Journal of Vegetation Science,2007,18(4):583-594.
[5]
Hermance J F.Stabilizing high-order,non-classical harmonicanalysis of NDVI data for average annual models by dampingmodel roughness[J].International Journal of Remote Sensing,2007,28(12):2801-2819.
[6]
Fisher J I,Mustard J F.Cross-scalar satellite phenology fromground,Landsat,and MODIS data[J].Remote Sensing of Envi-ronment,2007,109(3):261-273.
[7]
Ahas R,Aasa A,Menzel A,et al.Changes in European springphenology[J].International Journal of Climatology,2002,22(14):1727-1738.
[8]
Karlsen S,Hogda K,Wielgolaski F,et al.Growing-season tren-ds in Fennoscandia 1982-2006,determined from satellite andphenology data[J].Climate Research,2009,39(3):275-286.
Per J,Eklundh L.Seasonality extraction by function fitting totime-series of satellite sensor data[J].IEEE Transactions ongeoscience and remote sensing,2002,40(8):1824-1832.
[20]
Fisher J I,Mustard J F,Vadeboncoeur M A.Green leaf phenolo-gy at Landsat resolution:Scaling from the field to the satellite[J].Remote Sensing of Environment,2006,100(2):265-279.
[21]
Stow D,Daeschner S,Hope A,et al.Variability of the seasonallyintegrated normalized difference vegetation index across thenorth slope of Alaska in the 1990s[J].International Journal ofRemote Sensing,2003,24(5):1111-1117.1247
