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Developing new spectral indices for karst rocky desertification monitoring in Southwest China

Yuemin Yue, Kelin Wang, Junsheng Li, Bing Zhang, Bo Liu, Quanjun Jiao, Xiaonan Zhang
2009 2009 IEEE International Geoscience and Remote Sensing Symposium  
In this study, we developed new spectral indices, karst rocky desertification synthesis indices (KRDSI), were then designed based on tied-spectrum permutation and unique spectral characteristics of main  ...  Our study indicates that KRDSI is a useful tool for karst rocky desertification monitoring with remotely sensed data.  ...  The principal objective of this study is thus to develop and evaluate new spectral indices for karst rocky desertification in Southwest China.  ... 
doi:10.1109/igarss.2009.5417377 dblp:conf/igarss/YueWLZLJZ09 fatcat:5mf4vbqwbzb4hazgdmrh3gp66q

Estimating ecological indicators of karst rocky desertification by linear spectral unmixing method

Xia Zhang, Kun Shang, Yi Cen, Tong Shuai, Yanli Sun
2014 International Journal of Applied Earth Observation and Geoinformation  
This study suggests that spectral unmixing algorithm and hyperspectral remote sensing imagery can be used to monitor and evaluate karst rocky desertification.  ...  Coverage rates of vegetation and exposed bedrock are two key indicators of karst rocky desertification.  ...  Acknowledgements The authors are very grateful for the financial support provided by the National Natural Science Foundation of China (grant no. 40971205).  ... 
doi:10.1016/j.jag.2014.03.009 fatcat:2isynevlcbewhpl3qkd2ppipaa

Analysis of Rocky Desertification Monitoring Using MODIS Data in Western Guangxi, China [chapter]

Yuanzhi Zhang, Jinrong Hu, Hongyan Xi, Yuli Zhu, Dong Mei
2011 Advances in Data, Methods, Models and Their Applications in Geoscience  
Many new data, methods and modeling techniques have been developed and applied in various aspects of geoscience.  ...  The wide range methods and techniques covered in the book include information systems and technology, global position system (GPS), digital sediment core image analysis, fuzzy set theory for hydrology,  ...  MODIS data was first applied in the western Guangxi of southwest China to monitor the rocky desertification with the change of land cover types from 2000 to 2010.  ... 
doi:10.5772/38502 fatcat:xjhflaeezjeilbkbkvgscaz574

Optimization of Rocky Desertification Classification Model Based on Vegetation Type and Seasonal Characteristic

Chunhua Qian, Hequn Qiang, Feng Wang, Mingyang Li
2021 Remote Sensing  
The research results provide data support for exploring the spatiotemporal evolution pattern of rocky desertification in Guizhou.  ...  Taking Guizhou province as the research area and based on MODIS and continuous forest inventory data in China, we used a machine learning algorithm to build a rocky desertification model with bedrock exposure  ...  The founding sponsors had no role in the design of the study; in the collection, analyses or interpretation of data; in the writing of the manuscript; nor in the decision to publish the results.  ... 
doi:10.3390/rs13152935 fatcat:tlhyaqucyfgn7nmlrcgmxkmai4

KARST ROCKY DESERTIFICATION INFORMATION EXTRACTION BASED ON THE DECISION TREE

C. J. Su, T. Yue, L. Jiang, X. M. Li, W. G. Wang
2020 The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
Rocky desertification is a common geo-ecological disasters in China are mainly distributed in southwest karst region, and a wide range of further deterioration.  ...  The experimental results showed that: 2005 Guangxi rocky area of about 22,000 km2, accounting for 9% of the total land area in Guangxi, accounting for 24.30% of the karst area the overall classification  ...  Advantages of using remote sensing technology that can accurately, quickly and economically to get the status of karst rocky desertification, distribution, etc. for monitoring desertification, evolution  ... 
doi:10.5194/isprs-archives-xlii-3-w10-367-2020 fatcat:rbujo4fpybbolkywge7yeple3y

Quantitative discrimination of the influences of climate change and human activity on rocky desertification based on a novel feature space model

Ye Wen, Bing Guo, Wenqian Zang, Jibao Lai, Ran Li
2022 Open Geosciences  
The research results can provide decision support for the prevention and control of rocky desertification in Southwest China.  ...  Under the stress of the global change, rocky desertification has become a serious environmental problem in the Karst Mountain area.  ...  [10] obtained the abundances of vegetation and exposed rock in Southwest China using linear spectral unmixing method.  ... 
doi:10.1515/geo-2022-0365 fatcat:ycwb3ct7lnc3fktvt2l74ngata

Mapping Karst Rock in Southwest China

Qiuhao Huang, Yunlong Cai
2009 Mountain Research and Development  
Monitoring and assessing karst rock resulting from desertification is important to local sustainable development in the karst mountain regions of Southwest China.  ...  , Southwest China.  ...  Special thanks are due to two anonymous reviewers for their helpful suggestions and comments. Any errors or shortcomings in the paper are the responsibility of the authors.  ... 
doi:10.1659/mrd.857 fatcat:wllswaclj5bmjbqsznmhmnryli

Analysis of Landsat-8 OLI Imagery for Estimating Exposed Bedrock Fractions in Typical Karst Regions of Southwest China Using a Karst Bare-Rock Index

Jie Pei, Li Wang, Ni Huang, Jing Geng, Jianhua Cao, Zheng Niu
2018 Remote Sensing  
Karst rocky desertification (KRD) has become the primary ecoenvironmental problem in the karst regions of southwest China.  ...  Results of this study provide baseline data for the KRD assessment and karst-ecosystem management in southwest China.  ...  Geological Survey for providing the free access to the Landsat-8 data for processing and analysis.  ... 
doi:10.3390/rs10091321 fatcat:cq7zcm2zljbingcq7wsva3oa6i

Monitoring the trends of water-erosion desertification on the Yunnan-Guizhou Plateau, China from 1989 to 2016 using time-series Landsat images

Liang Hong, Yajun Huang, Shuangyun Peng, Judi Hewitt
2020 PLoS ONE  
The Yunnan-Guizhou Plateau (YGP) is a typical ecologically fragile region in southwest China.  ...  However, the research on monitoring of the desertification trends in this region has been limited to long time-series Landsat imagery.  ...  Acknowledgments We appreciate Professor Li Yuhui for helping field works about water-erosion desertification. Author Contributions  ... 
doi:10.1371/journal.pone.0227498 pmid:32023250 pmcid:PMC7001975 fatcat:buzvtd3jyzdvzf7kf3coxgq6ju

The Changes of Spatiotemporal Pattern of Rocky Desertification and Its Dominant Driving Factors in Typical Karst Mountainous Areas under the Background of Global Change

Bing Guo, Fei Yang, Junfu Fan, Yuefeng Lu
2022 Remote Sensing  
The research results could provide decision supports for the prevention and control of rocky desertification in Bijie City and even the southwest karst mountainous area.  ...  There are significant differences in the dominant driving factors of rocky desertification evolution in different historical periods in southwest karst mountainous areas.  ...  Causes of Rocky Desertification Evolution The mountain karst landform in Bijie City was well developed, which accounted for 70% of the study area.  ... 
doi:10.3390/rs14102351 fatcat:rifvjtlws5g5ra27qnupbzulvu

Consistency Analysis and Accuracy Assessment of Three Global Ten-Meter Land Cover Products in Rocky Desertification Region—A Case Study of Southwest China

Jun Wang, Xiaomei Yang, Zhihua Wang, Hongbin Cheng, Junmei Kang, Hongtao Tang, Yan Li, Zongpan Bian, Zhuoli Bai
2022 ISPRS International Journal of Geo-Information  
In order to provide guidance for users of 10 m data, this paper uses the rock deserted southwest region of China as the experimental area.  ...  Rocky desertification is one of the most critical ecological and environmental problems in areas underlain by carbonate rocks globally.  ...  Therefore, the distribution and development and utilization of construction land in southwest China are of great significance to the monitoring of regional ecosystem.  ... 
doi:10.3390/ijgi11030202 fatcat:4mc7vme7ezaqtdokmfmluvbgne

Using principal component analysis and annual seasonal trend analysis to assess karst rocky desertification in southwestern China

Zhiming Zhang, Zhiyun Ouyang, Yi Xiao, Yang Xiao, Weihua Xu
2017 Environmental Monitoring & Assessment  
The KRD map for 2010 indicated that the total area of KRD was 78.76 × 10 3 km 2 , which constitutes about 4.06% of the eight southwest provinces of China.  ...  By integrating principal component analysis (PCA) with annual seasonal trend analysis (ASTA), this study assessed karst rocky desertification (KRD) within a spatial context.  ...  Acknowledgments This work was supported by a grant from the National Natural Science Foundation of China (41361046).  ... 
doi:10.1007/s10661-017-5976-5 pmid:28508946 fatcat:pja2z3kzqvb3fg6jkhx2lyktku

Internet of Things to network smart devices for ecosystem monitoring

Xin Li, Ning Zhao, Rui Jin, Shaomin Liu, Xiaomin Sun, Xuefa Wen, Dongxiu Wu, Yan Zhou, Jianwen Guo, Shiping Chen, Ziwei Xu, Mingguo Ma (+5 others)
2019 Science Bulletin  
The applicability of this ecosystem monitoring IoT is verified in three fragile ecosystems, including a karst rocky desertification area, the National Park for Amur Tigers, and the oasis-desert ecotone  ...  in China.  ...  All authors contributed to the drafts and gave final approval for publication. Appendix A.  ... 
doi:10.1016/j.scib.2019.07.004 fatcat:haenbohclndkfmfixv7mergwa4

Front Matter: Volume 10780

Allen M. Larar, Makoto Suzuki, Jianyu Wang
2018 Multispectral, Hyperspectral, and Ultraspectral Remote Sensing Technology, Techniques and Applications VII  
Publication of record for individual papers is online in the SPIE Digital Library. SPIEDigitalLibrary.org Paper Numbering: Proceedings of SPIE follow an e-First publication model.  ...  SPIE uses a seven-digit CID article numbering system structured as follows:  The first five digits correspond to the SPIE volume number.  The last two digits indicate publication order within the volume  ...  vegetation coverage in the karst regions of Southwest China using Landsat data and Google Earth engine [10780-15] SESSION 5 ENABLING TECHNOLOGY AND APPROACHES FOR NEW MEASUREMENTS I 10780 0J A  ... 
doi:10.1117/12.2520774 fatcat:y4k55b55hraw5mji4gqt3ndfbi

Quantifying Live Aboveground Biomass and Forest Disturbance of Mountainous Natural and Plantation Forests in Northern Guangdong, China, Based on Multi-Temporal Landsat, PALSAR and Field Plot Data

Wenjuan Shen, Mingshi Li, Chengquan Huang, Anshi Wei
2016 Remote Sensing  
Harvesting and human-induced fire in combination with rock desertification and global warming made a strong contribution to AGB changes.  ...  We estimated AGB from 1990 to 2011 in northern Guangdong, China, based on a spatially explicit dataset derived from six years of national forest inventory (NFI) plots, Landsat time series imagery and Advanced  ...  We are grateful for their kind help. The work was jointly funded or supported by the following grants: the  ... 
doi:10.3390/rs8070595 fatcat:o2fkjffyd5hpzddnsr27suh2iu
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