Yu Liu

ORCID: 0000-0003-2979-1419
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About
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Research Areas
  • Asphalt Pavement Performance Evaluation
  • Land Use and Ecosystem Services
  • Hydrology and Watershed Management Studies
  • Infrastructure Maintenance and Monitoring
  • Flood Risk Assessment and Management
  • Climate variability and models
  • Hydrology and Drought Analysis
  • Geotechnical Engineering and Underground Structures
  • Remote Sensing in Agriculture
  • Soil erosion and sediment transport
  • Remote Sensing and Land Use
  • Cryospheric studies and observations
  • Innovative concrete reinforcement materials
  • Conservation, Biodiversity, and Resource Management
  • Rock Mechanics and Modeling
  • Plant Water Relations and Carbon Dynamics
  • Polymer composites and self-healing
  • Environmental Changes in China
  • Insect Resistance and Genetics
  • Environmental and Agricultural Sciences
  • Urban Design and Spatial Analysis
  • Mineral Processing and Grinding
  • Numerical methods in engineering
  • Meteorological Phenomena and Simulations
  • Environmental Quality and Pollution

Chang'an University
2015-2025

Nanjing University of Information Science and Technology
2025

Northwest A&F University
2022-2024

Shandong University of Science and Technology
2020-2024

Chinese University of Hong Kong
2022-2023

Northwest Institute of Mechanical and Electrical Engineering
2022-2023

Inner Mongolia Agricultural University
2023

National Engineering Research Center for Information Technology in Agriculture
2016-2023

Stanford University
2023

Ministry of Natural Resources
2023

Abstract Cities are the engines for implementing Sustainable Development Goals (SDGs), which provide a blueprint achieving global sustainability. However, knowledge gaps exist in quantitatively assessing progress towards SDGs different-sized cities. There is shortage of relevant statistical data many cities, especially small developing/underdeveloped countries. Here we devise and test systematic method SDG using open-source big 254 Chinese cities compare results with those obtained data. We...

10.1038/s43247-023-00730-8 article EN cc-by Communications Earth & Environment 2023-03-10

The spatiotemporal evolution of vegetation and its influencing factors can be used to explore the relationships among vegetation, climate change, human activities, which are great importance for guiding scientific management regional ecological environments. In recent years, remote sensing technology has been widely in dynamic monitoring vegetation. this study, normalized difference index (NDVI) standardized precipitation–evapotranspiration (SPEI) from 1998 2017 were study variation NDVI...

10.3390/rs13214326 article EN cc-by Remote Sensing 2021-10-27

Highway constructions on the Qinghai-Tibet Plateau (QTP) face great challenges induced by unique local environmental, geological, and engineering conditions. The large area of permafrost, temperature variability, strong UV rays, complex geological conditions are major factors that adversely influence long-term performance pavement systems. Since 1960s, Chinese engineers researchers have started conducting research QTP to enhance durability present paper provide a comprehensive review...

10.1016/j.jreng.2022.02.002 article EN cc-by-nc-nd Journal of Road Engineering 2022-03-01

In China, the fast growth of economy and society is causing a change in multifunction cultivated land (MCL), but there still lack proper understanding structural connections between these internal functions. Based on exploring theoretical concept MCL quantitative measurement, this paper applied trade-off/synergy model bivariate spatial autocorrelation to investigate relationships various dimensions MCL, influential factors was revealed by Geographical Detectors. Our research demonstrated...

10.1016/j.ecolind.2023.110171 article EN cc-by-nc-nd Ecological Indicators 2023-03-28

Studying the spatiotemporal evolutionary characteristics of vegetation and effect precipitation changes is necessary for understanding regional ecological environment. We used trend analysis, partial correlation significance tests, residual analysis to analyze evolution driving factors fractional cover (FVC) in Jinghe River Basin (JRB) from 1998 2019. The results showed that coverage JRB significantly improved FVC an increasing 90.64% areas JRB, overall annual change was extremely...

10.1016/j.ecoinf.2024.102505 article EN cc-by-nc-nd Ecological Informatics 2024-01-30

Quick non-destructive assessment of leaf chlorophyll content (LCC) is important for studying phenotypes related to plant growth and stress resistance. This study was undertaken investigate the quantitative relationship between LCC different vegetation indices (VIs) on both adaxial abaxial surfaces white poplar (Populus alba), which has dense tubular hairs its surface, Chinese elm (Ulmus pumila var. pendula), does not show obvious superficial differences except lighter colour surface. Some...

10.1093/jxb/erv270 article EN Journal of Experimental Botany 2015-06-01

Revealing the impact of future climate change on characteristics and evolutionary patterns meteorological hydrological droughts exploring joint distribution their drought are essential for early warning in basin. In this study, we considered Jinghe River Basin Loess Plateau as research object. The standardized precipitation index (SPI) runoff (SRI) series were used to represent with monthly generated by SWAT model. addition, evolution laws JRB based Copula functions discussed. results showed...

10.3390/rs15051297 article EN cc-by Remote Sensing 2023-02-26

In quantifying the morphological features of aggregate, X-ray computed tomography (CT) is one most popularly used approaches for capturing aggregate images that considered accurate and reliable. this study, however, a three-dimensional (3D) optical scanner was also employed to characterize morphology in addition CT. The major objective validate accuracy scanner–based image analysis method through comparative study scanning CT results. Four types particles were selected, their obtained those...

10.1061/(asce)mt.1943-5533.0002091 article EN Journal of Materials in Civil Engineering 2017-10-24

In order to utilize a large amount of waste scallop shells in road engineering and develop environmentally friendly high-performance asphalt, the impact shell powder (SSP) on high temperature performance base asphalt styrene-butadiene-styrene (SBS)-modified was evaluated this study. The effects SSP conventional properties SBS-modified were investigated according penetration, softening point, ductility, rotational viscosity at 135 °C, recommended dosing amounts given, respectively....

10.3390/ma18050983 article EN Materials 2025-02-24

Abstract El Niño is generally phase‐locked to the boreal winter but displays significant variability in its onset timing, contributing diverse climate impacts. The physical mechanisms driving this remain inadequately understood. This study demonstrates that of events can occur over a broad range months from March September, with timing closely linked precondition oceanic recharged state and occurrence westerly wind bursts (WWBs) preceding spring. A stronger increased frequency WWBs promote...

10.1029/2024gl113668 article EN cc-by-nc-nd Geophysical Research Letters 2025-03-14

Asphalt mixtures are commonly used in pavement engineering, especially for highway construction. The mechanism exploration and analysis of distress the main challenges researchers industry managers. Thereby, it is important to understand their properties interaction mechanisms asphalt mixtures. It difficult conduct some sophisticated or microscale tests laboratory, numerical simulation virtual can be solutions these cases with low costs. Discrete Element Method (DEM) a promising tool...

10.3389/fmats.2022.879245 article EN cc-by Frontiers in Materials 2022-04-14
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