NDLI: Rocky desertification exponential model in Karst area

Content Provider	IEEE Xplore Digital Library
Author	Guoqing Zhou Yanli Ma
Copyright Year	2012
Description	Author affiliation: GuangXi Key Laboratory for Spatial Information and Geomatics, Guilin University of Technology, 541004, China (Guoqing Zhou; Yanli Ma)
Abstract	It was noticed long time ago that Karst rocky desertification is gradually developed into the third-largest ecological problem. Remote sensing is mostly used in the research of Karst desertification. However, the previous research used original imagery, so it cannot effectively interpret the characteristic of rocky desertification. This paper chooses the first three components of the KT transform of ETM+ data to establish rocky desertification exponential model. Four variables: index of Karst (IK), brightness, greenness, and wetness were extracted to characterize the rocky desertification in the study. The last three variables are the first three components of the KT transform. Their interrelationships were examined using a correlation matrix. The investigated results indicate that index of Karst is mostly correlated with the brightness (r= 0.64), but negatively correlated with greenness (r= −0.81) and wetness (r= −0.51) (at 90% confidence level). These findings can be used to mitigate rocky desertification by city planners, environmental managers, and other policy makers for designing measures.
Starting Page	2182
Ending Page	2185
File Size	302340
Page Count	4
File Format	PDF
ISBN	9781467311601
ISSN	21536996
e-ISBN	9781467311595
e-ISBN	9781467311588
DOI	10.1109/IGARSS.2012.6351069
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-07-22
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Indexes Brightness Vegetation mapping Remote sensing Correlation Soil Transforms
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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