草业学报Issue(6):25-34,10.DOI:10.11686/cyxb2014478
新疆伊犁地区草地植被地上生物量遥感反演
Assessment of above-ground Biomass of Grassland using remote sensing,Yili, Xinjiang
摘要
Abstract
The relationship between the above-ground biomass of grassland vegetation in Yili,Xinjiang (as-sessed with cut quadrats)and the normalized difference vegetation index (NDVI),enhanced vegetation index (EVI),altitude,annual precipitation,annual mean temperature,accumulated temperature and dryness and wetness indices was analyzed using regression.Subsequently,an ArcGIS interpolation method was used to map the spatial distribution of above ground biomass of the grassland.There was a strong relationship between a-bove-ground biomass and the independent factors assessed;the multiple regression coefficient (R 2 )was 0.85 and the RMSE was 216.56 kg/ha.It was concluded that the simulation data used in the study could be used to reliably monitor and assess grassland productivity and dynamics.关键词
草地植被/地理信息系统/地上生物量/遥感反演Key words
grassland vegetation/GIS/above-ground biomass/remote sensing inversion引用本文复制引用
张旭琛,朱华忠,钟华平,程耀东,靳瑰丽,邵小明..新疆伊犁地区草地植被地上生物量遥感反演[J].草业学报,2015,(6):25-34,10.基金项目
科技基础性工作专项(2012FY111900-2)资助。 ()