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Grassland fractional vegetation cover monitoring using the composited HJ-1A/B time series images and unmanned aerial vehicles: A case study in Zoige wetland, China
Language英语
Bian JH(边金虎)1,2; Li AN(李爱农)1; Zhang ZJ(张正健)1; Zhao W(赵伟)1; Lei GB(雷光斌)1,2; Xia HM(夏浩铭)1,2; Tan JB(谭剑波)1,2
Corresponding Author李爱农
2016
Source Publication2016 IEEE International Geoscience and Remote Sensing Symposium (IGARSS) ; IGARSS
Pages7192-7195
Conference Date2016.7
Conference PlaceChina, Beijing
Funding OrganizationIEEE
Abstract

Fractional vegetation cover (FVC) is one of the most critical indicators for herbaceous wetland vegetation status, degradation and desertification process simulations. The
dense in time series and high spatial resolution of FVC is required for wetland ecosystem monitoring because of its heterogeneous landscapes and rapid spatio-temporal variations. However, due to the tradeoff in satellite sensor designs, it is hard to acquire both high temporal and spatial satellite images for FVC estimation for wetland ecosystem. In this paper, the dense in time series HJ composites at 30-m spatial resolution and UAV platform were used for the estimation of time series FVC in Zoige wetland area. Considering the spatial variability of soil backgrounds for peat wetland area, an improved adaptive endmember selection linear spectral mixture (LSMM) model was proposed in this paper. The results revealed that the proposed method can provide a higher estimation accuracy than the background invariant LSMM model, and the time
series FVC estimation result is helpful to reflect both the spatial pattern and temporal variation characteristics of heterogeneous wetland regions.

KeywordHj-1a/b Time Series Fraction Vegetation Cover Zoige Uav Wetland
Indexed ByEI
Accession numberAccession number: 20170103214043
Document Type会议论文
Identifierhttp://ir.imde.ac.cn/handle/131551/17896
Collection数字山地与遥感应用中心
Affiliation1.Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu, China
2.University of Chinese Academy of Sciences, Beijing 100049, China
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Bian JH,Li AN,Zhang ZJ,et al. Grassland fractional vegetation cover monitoring using the composited HJ-1A/B time series images and unmanned aerial vehicles: A case study in Zoige wetland, China[C],2016:7192-7195.
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