Spectral properties of Antarctic and Alpine vegetation monitored by multispectral camera: Case studies from James Ross Island and Jeseníky Mts.

IF 0.5 Q4 ECOLOGY Czech Polar Reports Pub Date : 2020-07-01 DOI:10.5817/CPR2020-2-22

P. Váczi, M. Barták, M. Bednaříková, F. Hrbáček, J. Hájek

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引用次数: 5

Abstract

In this study, we investigated the utility of spectral remote sensing data gathered by a multispectral camera for estimating of vegetation cover in Antarctic vegetation oasis and Arcto-Alpine tundra. The surveys exploiting unmanned aerial vehicles (UAV) and multispectral camera were done in an Antarctic vegetation oasis located at the Northern shore of James Ross Island (Antarctica), and arcto-alpine tundra located in the Jeseniky Mts. (NE Czech Republic, 1 420 m a.s.l. ). For the two locations, false colour images of spectral indices (VARI, NGRDI, GLI, RGVI, ExG, NDVI, PRI) were taken and analysis of vegetation types and components of vegetation cover done. Additionally, field research was performed by handheld instruments measuring NDVI, PRI and of selected vegetation components: Bryum pseudotriquetrum , Nostoc commune colonies (Antarctica), lichens grown on flat stones and boulders (the Jeseniky Mts.). The results show UAV photo surveys and imaging of spectral reflectance indices can be used to monitor vegetation types forming Antarctic vegetation oases and arcto-alpine tundra.

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多光谱相机监测的南极和阿尔卑斯山植被的光谱特性：James Ross岛和Jeseníky山的案例研究。

在这项研究中，我们调查了多光谱相机收集的光谱遥感数据在估计南极植被绿洲和阿尔托-阿尔卑斯苔原植被覆盖方面的效用。利用无人机和多光谱相机进行的调查是在位于詹姆斯·罗斯岛（南极洲）北岸的南极植被绿洲和位于杰塞尼基山脉（捷克共和国东北部，海拔1420米）的弧形高山苔原进行的。对于这两个位置，拍摄了光谱指数（VARI、NGRDI、GLI、RGVI、ExG、NDVI、PRI）的伪彩色图像，并对植被类型和植被覆盖成分进行了分析。此外，通过测量NDVI、PRI和选定植被成分的手持仪器进行了实地研究：假三叶草、诺斯托克群落（南极洲）、，结果表明，无人机照片调查和光谱反射率指数成像可用于监测形成南极植被绿洲和弧形高山苔原的植被类型。

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来源期刊

Czech Polar Reports Agricultural and Biological Sciences-Agricultural and Biological Sciences (all)

CiteScore

1.30

自引率

10.00%

发文量

期刊介绍： Czech Polar Reports is an international, multidisciplinary, peer-reviewed journal. It is issued 2 times a year. The journal is dedicated to provide original research papers for sciences related to the polar regions and other planets with polar analogues. Czech Polar Reports covers the disciplines listed below. polar paleontology, geology, geochemistry, geomorphology, glaciology, climatology, hydrology, pedology, biochemistry, ecology, environmental science, microbiology, plant and animal biology including marine biology.