Ge Yan

ORCID: 0000-0003-0499-085X
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About
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Research Areas
  • Cryospheric studies and observations
  • Landslides and related hazards
  • Soil erosion and sediment transport
  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Hydrology and Sediment Transport Processes
  • Remote Sensing and LiDAR Applications
  • Archaeology and ancient environmental studies
  • Fire effects on ecosystems
  • Characterization and Applications of Magnetic Nanoparticles
  • Magnetic Properties and Synthesis of Ferrites
  • Flood Risk Assessment and Management
  • Magnetic Properties and Applications
  • Geological formations and processes
  • Fuzzy and Soft Set Theory
  • Geotechnical Engineering and Analysis
  • Pacific and Southeast Asian Studies
  • Fixed Point Theorems Analysis
  • Pleistocene-Era Hominins and Archaeology
  • Tree Root and Stability Studies
  • Approximation Theory and Sequence Spaces
  • Species Distribution and Climate Change
  • Crystallography and molecular interactions
  • Ecology and Vegetation Dynamics Studies
  • Radioactive contamination and transfer

Nanjing Normal University
2015-2024

Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application
2023-2024

East China Normal University
2018-2021

Lanzhou University
1994-2018

Australian National University
1998-2011

Abstract In this study, the application of open‐source digital elevation model (DEM) is explored for regional landslide susceptibility mapping (LSM), and potential impact different DEM choices on accuracy also examined. With advancements in remote sensing technology, an increasing number global DEMs have been available, with improvement accuracy. However, latest released data are rarely evaluated LSM research. paper, DEM‐based factors, including elevation, aspect, slope, plan curvature...

10.1002/esp.5777 article EN Earth Surface Processes and Landforms 2024-02-08

The standards applied to reclassify landslide-conditioning factors differ among studies and may change the accuracy of identifying landslide-prone areas. Therefore, we identified two per factor (elevation, aspect, slope, proximity roads streams) from existing literature set them as predisposing criteria in this paper. In addition five factors, lithology represented by types a landslide inventory map produced field surveys were also used mapping. Thirty-two susceptibility maps generated based...

10.1080/10106049.2018.1499816 article EN Geocarto International 2018-07-13

Climate change poses a serious threat to species, especially for endangered species. This is particularly true the tree Parrotia subaequalis, endemic China. To date, little known about its pattern of habitat distribution, and how it will respond under future climate still remains unclear. Based on six variables 115 occurrence records, we used MaxEnt model predict potential distribution P. subaequalis in The modeling results showed that first three leading factors influencing were...

10.3390/f13101595 article EN Forests 2022-09-29

Recognizing the risk of fluvial bank erosion is an important challenge to ensure early warning and prevention or control collapse in river catchments, including Yangtze River. This study introduces a geomorphons-based algorithm extract information by adjusting flatness from multibeam echo-sounding data. The maps ten subaqueous morphological elements, slope, footslope, flat, ridge, peak, valley, pit, spur, hollow, shoulder. Twenty-one values were used build interpretation strategy for...

10.1016/j.eng.2021.03.027 article EN cc-by-nc-nd Engineering 2021-09-09

In the process of subtropical forest succession, it has long been recognized that population decline Masson pines in coniferous-broadleaf mixed is caused by shading from broadleaf trees. However, little known about mechanism underlying interaction between them. Here, we first chose two sets pine plots approximately aged 60 years mountainous areas eastern China (i.e., pure coniferous vs. forest). Then, measured and compared tree height, diameter at breast branch height (FBH), live crown ratio...

10.3390/f13010085 article EN Forests 2022-01-08

Riverbed micro-topographical features, such as crest and trough, flat bed, scour pit, indicate the evolution of fluvial geomorphology, have an influence on stability underwater structures overall pits. Previous studies bedform feature extraction focused mainly rhythmic bed surface morphology extracted while pit been ignored. In this study, to extend description riverbeds, geomorphic elements mapping was used by employing three element classification methods: Wood’s criteria, a...

10.3390/app10217692 article EN cc-by Applied Sciences 2020-10-30

The intervalley plain is an important type of landform for mapping, and it has good connectivity urban construction development on the Loess Plateau. During global mapping Deep-time Digital Earth (DDE) Big Science Program, was found that slope relief amplitude hardly distinguished plains from intermountain flats. This study established a novel descriptive method based digital elevation model to describe difference between With proposed method, first pattern variation in angle described using...

10.3390/ijgi13030086 article EN cc-by ISPRS International Journal of Geo-Information 2024-03-08

The preparation processes, morphlogical, structural and magnetic properties of BaFe12-2X (CoTi) XO19 (CoSn) fine particles, prepared by chemical coprecipitation, synthesis from salt melts glass crystallization method were investigated. correlation between the properties, particle morphology degrees Co Ti Sn substitutions Ba ferrite particles studied. These substituted particulate media are great interest for high density information storage.

10.5188/ijsmer.3.203 article EN International Journal of the Society of Materials Engineering for Resources 1995-01-01

10.1016/s0304-8853(00)00477-7 article EN Journal of Magnetism and Magnetic Materials 2000-11-01
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