Study on Forest Biomass and Carbon Sequestration Survey in Liaoning Province Based on RS and Genomic Models

Abstract

Abstract: The mechanism of RS model of forest biomass and carbon sequestration is analysed in the paper.Using the 7th continuous forest inventory plot data in Liaoning Province in the year of 2005 and computing the correlative coefficient between ground data and RS data,derivative,meteorological,genomic and stand information,the multivariate regression models are built and analysed.The results show that:(1)There are significant correspondences between biomass and NVDIs,in which the top-down rank is NVDI_AVER,NVDI_AMD,NVDI_MAX,NVDI_MIN,NVDI_CHA in their correlative coefficients with biomass separately.The meteorological factors that have significant correspondences with the biomass are relative evaporation,average temperature and total temperature(>10°C),the coefficients are 0.422,0.399,and 0.394 respectivly.The correlative coefficient of topography data is obvious except slope and latitude;(2)Estimation of forest biomass is 255.774 ×10⁶ t and carbon reserve is 127.887×10⁶t by the RS &genomic model in Liaoning province;(3)Carbon density is not high overall,the average is smaller than 50t/hm²,the density is higher in the east than west in spacial distribution in Liaoning province.

Key words: forest biomass, carbon sequestration, NDVI, regression model, MODIS

CLC Number:

TP79
S711.8

WANG Xuejun, SUN Yujun. Study on Forest Biomass and Carbon Sequestration Survey in Liaoning Province Based on RS and Genomic Models[J]. FOREST RESOURCES WANAGEMENT, 2011, 0(1): 100-105.

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