库布齐沙漠东缘荒漠藻生物结皮光谱特性研究
首发时间:2013-01-06
摘要:根据测定研究区各种地物的光谱数据,分析了内蒙古林科院达拉特旗沙漠综合科学研究站不同年份接种的荒漠藻黑色、绿色结皮及裸沙、沙打旺、油蒿、沙柳的光谱特性及其变化规律。研究结果表明:三种植物光谱曲线与健康植被光谱曲线相近,"红边"位置明显,荒漠藻黑色、绿色结皮及裸沙的光谱反射率变化比较平缓;荒漠藻绿色结皮表现出绿色植物所具有的光谱曲线变化特点;荒漠藻黑色与绿色结皮光谱反射率相比,总的变化趋势为:350~710nm之间,黑色结皮光谱反射率较绿色结皮高,710~1350nm之间,黑色比绿色结皮的光谱反射率低。
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Study on the Spectral Characteristics of Desert Algae Artificial Biological Crust in the East Edge of Kubuqi Desert
Abstract: According to the spectral data of the various objects measured in the study area, analyzed the spectral characteristics and it's variation rules of black and green desert algae crust ,bare sand ,adsurgens ,oil Artemisia, Salix inoculated in different years in Inner Mongolia Academy of Forestry Dalateqi Desert Research Station. The results showed that the spectral curves of three kinds of plants are similar to the spectral curve of healthy vegetation. "red edge " position is obvious, the spectral reflectance changes of black and green desert algae crust and bare sand are relatively gentle; The spectral characteristics of green desert algae crust are similar to green plants; The trend of spectral reflectance changes compared between black and green desert algae crust is that black crust is higher than green crust between 350 to 710nm, and lower than it between 710 ~ 1350nm.
Keywords: the Spectral Characteristics Desert Algae Artificial Biological Crust Kubuqi Desert
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