Spectral Indices for Estimating Exposed Carbonate Rock Fraction in Karst Areas of Southwest China

被引：15
|
作者：
Xie, Xiangjian [1 ,2 ,3 ]
Du, Peijun [1 ,2 ,3 ]
Xia, Junshi [2 ,3 ,4 ,5 ]
Luo, Jieqiong [1 ,2 ,3 ]
机构：
[1] Natl Adm Surveying Mapping & Geoinformat China, Key Lab Satellite Mapping Technol & Applicat, Beijing 100830, Peoples R China
[2] Nanjing Univ, Jiangsu Prov Key Lab Geog Informat Sci & Technol, Nanjing 210093, Jiangsu, Peoples R China
[3] Jiangsu Ctr Collaborat Innovat Geog Informat Reso, Nanjing 210023, Jiangsu, Peoples R China
[4] Natl Adm Surveying Mapping & Geoinformat China, Key Lab Satellite Mapping Technol & Applicat, Nanjing 210093, Jiangsu, Peoples R China
[5] Univ Bordeaux, Lab Integrat Mat Syst, IMS, UMR 5218, F-33405 Talence, France
来源：
IEEE GEOSCIENCE AND REMOTE SENSING LETTERS | 2015年 / 12卷 / 09期
关键词：
Carbonate rock indices (CRIs); fractional cover; karst ecosystem; Landsat Data Continuity Mission (LDCM) Operational Land Imager (OLI); remote sensing; spectral index; GREEN VEGETATION; DESERTIFICATION; SPECTROSCOPY; SATELLITE;
D O I：
10.1109/LGRS.2015.2441962
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
The quantitative estimation of the fractional cover of carbonate rock (CR) is critical for natural resource management and ecological conservation in karst areas. Based on the analysis of spectral properties of CR together with other land cover types, we proposed two CR indices (CRIs) and established the model that represents the relationships between the CRIs and the fractional cover of CR. Then, the fractional cover of CR was estimated by using the developed model. Experimental results on Landsat-8 Operational Land Imager images acquired at Southwestern China demonstrated the effectiveness of the developed model. Compared with other indices, the proposed CRIs show the highest correlations with the fractional cover of CR.
引用
收藏
页码：1988 / 1992
页数：5
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