Results 31 to 40 of about 105,118 (203)

KARST ROCKY DESERTIFICATION INFORMATION EXTRACTION BASED ON THE DECISION TREE [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2020
Abstract. Rocky desertification is a common geo-ecological disasters in China are mainly distributed in southwest karst region, and a wide range of further deterioration. Based on the theory of decision tree Guangxi rocky information extraction, selection of experimental data of Guangxi Zhuang Autonomous Region in 2005 TM image. First of remote sensing
C. J. Su, C. J. Su, T. Yue, L. Jiang, X. M. Li, W. G. Wang   +5 more
openaire   +3 more sources

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

Remote Sensing, 2021
Building a high-precision, stable, and universal automatic extraction model of the rocky desertification information is the premise for exploring the spatiotemporal evolution of rocky desertification.
Chunhua Qian, Hequn Qiang, Feng Wang, Mingyang Li   +3 more
doaj   +1 more source

Crops planting structure and karst rocky desertification analysis by Sentinel-1 data [PDF]

Open Geosciences, 2021
Abstract Accurate crop planting structure (CPS) information and its relationship with the surrounding special environment can provide strong support for the adjustment of agricultural structure in areas with limited cultivated land resources, and it will help regional food security, social economy, and ecological balance adjustment ...
Wang Lingyu, Chen Quan, Zhou Zhongfa, Zhao Xin, Luo Jiancheng, Wu Tianjun, Sun Yingwei, Liu Wei, Zhang Shu, Zhang Wenhui   +9 more
openaire   +2 more sources

Extraction of Rocky Desertification Information in the Karst Area Based on the Red-NIR-SWIR Spectral Feature Space

Remote Sensing, 2023
The complex topography, severe surface fragmentation and landscape heterogeneity of the karst region of southwest China make it extremely difficult to extract information on rocky desertification in the region.
Jun Cai, Wanyang Yu, Qian Fang, Ruyi Zi, Fayong Fang, Longshan Zhao   +5 more
doaj   +1 more source

Nutrient characteristics and differences of forest soil in rocky desertification areas of Southwest China

Carsologica Sinica, 2023
In this study, papers related to vegetation restoration and soil in rocky desertification area since 1990s have been retrieved. Based on nutrient grading standards of two national soil censuses, the soil nutrient improvement and soil stoichiometry ...
Qiufan CHEN, Qi LU, Yan WANG, Yungen LIU
doaj   +1 more source

Evaluation of rocky desertification comprehensive control based on orchard intercropped by herbage: A case study of the Xingyi City, Guizhou Province

Carsologica Sinica, 2022
An evaluation of rocky desertification comprehensive control is very important to optimize and improve strategy for rocky desertification control modes.
Hanting CHENG, Guodao LIU, Rongshu DONG, Xiaomin WANG, Qinfen LI, Xiaohui ZHOU, Xianbo ZHANG   +6 more
doaj   +1 more source

KARST ROCKY DESERTIFICATION ANALYSIS BASED ON HISTORICAL DISP DATA TAKE TWO REGIONS FOR EXAMPLE [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2020
Karst rocky desertification (KRD) is used to characterize the processes that transform a karst area covered by vegetation and soil into a rocky landscape almost devoid of soil and vegetation.
J. Liu, J. Liu, G. Q. Zhou, G. Q. Zhou, B. Jia, B. Jia, T. Yue, X. Y. Peng   +7 more
doaj   +1 more source

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

Open Geosciences, 2022
Under the stress of the global change, rocky desertification has become a serious environmental problem in the Karst Mountain area. At present, few remote sensing monitoring research works on rocky desertification based on feature space model have been ...
Wen Ye, Guo Bing, Zang Wenqian, Lai Jibao, Li Ran   +4 more
doaj   +1 more source

A novel-optimal monitoring index of rocky desertification based on feature space model and red edge indices that derived from sentinel-2 MSI image

Geomatics, Natural Hazards & Risk, 2022
Few studies of monitoring rocky desertification based on Sentinel-2 MSI image with higher spatial and temporal resolutions have been reported. In this paper, nine typical surface parameters that derived from Sentinel-2 MSI image including three red edge ...
Bing Guo, Fei Yang, Jialin Li, Yuefeng Lu   +3 more
doaj   +1 more source

Characteristics and Forecasting of Rocky Desertification Dynamics in the Pearl River Source Region from 1990 to 2030

Land
Rocky desertification is a significant ecological issue in the karst regions of Southwest China, severely affecting both the environment and local livelihoods.
Haojun Sun, Shaoyun Zhang, Songyang He, Zecheng Liu   +3 more
doaj   +1 more source