TY - GEN
T1 - Spatial-temporal variation of NPP of vegetation in Xuzhou city based on TM data
AU - Jiahui, Wang
AU - Liang, Liang
AU - Xiang, Luo
AU - Jialing, Li
AU - Liping, Di
AU - Meixia, Deng
AU - Ziheng, Sun
AU - Li, Lin
N1 - Publisher Copyright:
© 2017 IEEE.
PY - 2017/9/19
Y1 - 2017/9/19
N2 - Vegetation net primary productivity (NPP) has a great impact on terrestrial carbon cycle, which is an important index to determine the size of vegetation productivity and regulate ecological processes. In this paper, the urban with high spatial heterogeneity was selected as the research background, and the urban vegetation of Xuzhou was selected as the research object, then Landsat remote sensing images were used to estimate the net primary productivity of urban vegetation. First, the remote sensing image data were used to calculate the Normalized Difference Vegetation Index (NDVI) of Xuzhou, then LAI was calculated with the empirical model and NPP was further calculated to study the spatial-temporal distribution of NPP in Xuzhou from 2006 to 2016. Finally, combined with slope method, the variation trend of Xuzhou NPP was analyzed. The results showed that there was a significant improvement in the NPP in the eastern part of Xuzhou, while the central and western regions had a decreasing trend. So that the result can provide the planning basis for ecological garden city construction of Xuzhou.
AB - Vegetation net primary productivity (NPP) has a great impact on terrestrial carbon cycle, which is an important index to determine the size of vegetation productivity and regulate ecological processes. In this paper, the urban with high spatial heterogeneity was selected as the research background, and the urban vegetation of Xuzhou was selected as the research object, then Landsat remote sensing images were used to estimate the net primary productivity of urban vegetation. First, the remote sensing image data were used to calculate the Normalized Difference Vegetation Index (NDVI) of Xuzhou, then LAI was calculated with the empirical model and NPP was further calculated to study the spatial-temporal distribution of NPP in Xuzhou from 2006 to 2016. Finally, combined with slope method, the variation trend of Xuzhou NPP was analyzed. The results showed that there was a significant improvement in the NPP in the eastern part of Xuzhou, while the central and western regions had a decreasing trend. So that the result can provide the planning basis for ecological garden city construction of Xuzhou.
KW - Empirical statistical model
KW - NPP
KW - Slope Trend Analysis
KW - Spatial-temporal variation
KW - Xuzhou urban area
UR - http://www.scopus.com/inward/record.url?scp=85032792424&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85032792424&partnerID=8YFLogxK
U2 - 10.1109/Agro-Geoinformatics.2017.8047035
DO - 10.1109/Agro-Geoinformatics.2017.8047035
M3 - Conference contribution
AN - SCOPUS:85032792424
T3 - 2017 6th International Conference on Agro-Geoinformatics, Agro-Geoinformatics 2017
BT - 2017 6th International Conference on Agro-Geoinformatics, Agro-Geoinformatics 2017
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 6th International Conference on Agro-Geoinformatics, Agro-Geoinformatics 2017
Y2 - 7 August 2017 through 10 August 2017
ER -