CAJ | 학술논문

通过野外定点光谱采样，对线叶菊、羊草等几种常见的草甸草原类型进行光谱特征分析和种类识别，并分析了不同退化梯度草原的光谱特征。结果表明通过高光谱可以很好的体现不同草地类型、不同植物光谱差异特征。羊草在可见光比针茅的反射率大，而一阶导数，针茅的峰值比羊草大，红边位置与红边面积有所不同，且存在BEP“红移”。并发现在可见光区域重度退化草原的光谱反射率大于轻度退化的光谱反射率，而在近红外要小于轻度退化的光谱反射率。
통과야외정점광보채양，대선협국、양초등궤충상견적초전초원류형진행광보특정분석화충류식별，병분석료불동퇴화제도초원적광보특정。결과표명통과고광보가이흔호적체현불동초지류형、불동식물광보차이특정。양초재가견광비침모적반사솔대，이일계도수，침모적봉치비양초대，홍변위치여홍변면적유소불동，차존재BEP“홍이”。병발현재가견광구역중도퇴화초원적광보반사솔대우경도퇴화적광보반사솔，이재근홍외요소우경도퇴화적광보반사솔。
Analysis of spectral characteristics and species identification by field sentinel spectral sampling , Filifoliumsibiri-cum, L.chinensis several common types of meadow steppe and spectral signatures of different degradaded grassland .The re-sults show that hyperspectral well represented different grass types , different plant spectral differences characteristics .The reflectivity of Stipa larger than L .chinensis in the visible light , while the first derivative , The peak value of Stipa is larger than L.chinensis,red edge position and red edge area are differenthere and the presence of the BEP "redshift".The spec-tral reflectance of severely degraded grassland larger than the slight degradation in the visible light region ,while in the near infrared is less than the spectral reflectance of light degradation .