Most papers are machine-translated to English; some are originally in English.
Showing 50 of 516 papers in Earth & Space
For roadbed engineering in karst regions and over mined-out areas, improper treatment of underlying voids can readily induce subsidence and other distresses. Grouting reinforcement constitutes one of the common measures for treating karst voids. The typical grouting procedure encompasses drilling, h…
Against the backdrop of national new infrastructure development and intelligent construction, intelligent roadbed compaction technology is burgeoning; however, the low correlation and reliability of traditional compaction degree characterization indicators hinder the promotion and application of int…
Based on Biot's theory, a 2.5-dimensional finite element analysis model for the coupled track–subgrade–multilayer saturated soil foundation system was established, a calculation method for subgrade cumulative settlement considering actual cyclic train loading was proposed, and the influences of wate…
Grouting serves as an effective method for mitigating geotechnical disasters in subsea tunnels. However, current theories and designs, primarily based on terrestrial tunnel contexts, seldom address the long-term effects of seawater ion erosion on reinforcement. An improved sand permeation grouting s…
In China, annual generation of building-related construction and demolition waste (brCDW) exceeds 2 billion tons, with a recycling rate of less than 40%, significantly lower than the European average. The majority of unrecycled brCDW is either landfilled or stockpiled in suburban areas, leading to s…
Grouting is a common technical measure to improve the mechanical properties of broken rock mass and ensure the stability of underground excavation. The strength characteristics of reinforced broken rock mass are important parameters in geotechnical engineering design. However, due to the complex str…
To address the limitations of traditional linear non-stationary random field models in handling the nonlinear variation of soil parameters in fill slopes, this paper proposes a non-stationary random field model employing piecewise linear functions as trend functions. The coefficient calculation meth…
Frame prestressed anchor bolt systems are widely employed in slope engineering, wherein the stability of multi-stage slopes represents a core element of construction safety. Research on the sensitivity of influencing factors and the correlation between stability and displacement for multi-stage slop…
In the Eastern Himalayan Syntaxis region, watershed-scale geological hazards occur frequently, causing significant casualties and infrastructure damage. This study establishes a systematic research methodology from regional scale to individual hazard sites, encompassing the construction of a geologi…
The Loess Plateau (LP), one of the most ecologically fragile regions in China, is affected by severe soil erosion and environmental degradation. Despite large-scale ecological restoration efforts made by Chinese government in recent years, the region continues to face significant ecological challeng…
Coal mining renders soil susceptible to heavy metal (HM) accumulation, adversely affecting the ecological environment and human health, particularly in extremely arid and vulnerable regions. This study collected soil samples from the Heishan open-pit coal mine in Turpan City, Northwest China, to ass…
Understanding the impact of meteorological and topographical factors on snow cover fraction (SCF) is crucial for water resource management in the Qilian Mountains (QLM), China. However, there is still a lack of adequate quantitative analysis of the impact of these factors. This study investigated th…
Precipitation is scarce in semi-arid areas, which results in serious drought. Occurrence of flash drought is quite often in these areas, and flash drought may also cause significant disasters. However, monitoring flash drought is still weak and remains a challenge. This study aims to identify, evalu…
Given that pixel-level classification struggles to accurately identify glacier changes when spectral features are similar, particularly in debris-covered areas where spectral characteristics highly resemble surrounding mountains and rocks, resulting in low extraction accuracy, this study takes the Y…
In desert environments, soil water-heat conditions are key factors affecting the healthy growth of sand-fixing plants in vegetation-based sand-fixation projects. Vertical pipe surface drip irrigation is a novel water-saving and temperature-control conservation technology proposed to alleviate the co…
Nitrous oxide (N2O) is one of the important greenhouse gases in the atmosphere, exerting significant influence on global warming. Land use change is a critical factor affecting N2O emissions, particularly in ecologically fragile semi-arid regions where the underlying mechanisms are more complex. How…
The Babusha area is situated at the intersection of the Qinghai-Tibet Plateau ecological barrier and the Northern sand prevention belt, serving as a frontline position against the southward encroachment of the Tengger Desert. Assessing changes in its ecological environmental quality holds certain gu…
This study investigated the community structure and functional differences of generalist and specialist fungal species in the soil and roots of Mongolian pine forests and their relationships with soil physicochemical properties, aiming to reveal the key microbiological mechanisms influencing ecosyst…
Evaluation of climate comfort in the Shaanxi-Gansu-Ningxia region holds significant importance for the development of regional red tourism resources and the promotion of ecological civilization construction. Utilizing meteorological element data including daily average temperature, wind speed, and r…
To obtain more accurate precipitation distribution information in remote regions, this study combines the high-resolution capability of radar with the large-scale detection advantage of satellite to obtain high-precision Quantitative Precipitation Estimation (QPE) analysis products through fusing ra…
To investigate the surface deformation characteristics and deformation prediction of giant landslides on both banks of the upper Yellow River from Longyangxia to Jishixia, this study selected the Xijitan giant landslide in the Guide area of the upper Yellow River as the research area. The Small Base…
Water resources constitute the foundation for maintaining ecosystem equilibrium and sustaining human livelihoods and economic development. Simulation of hydrological processes in arid and semi-arid ecosystems can enhance the effective utilization of local water resources. This study evaluates the ap…
Integrating crop irrigation water into the global trade chain and analyzing its sustainability is crucial for ensuring water resources and food security. Constrained by the contradiction between economic benefits and water resource development and utilization, the sustainability of virtual water foo…
This study investigated the response of cotton growth to soil temperature under phosphorus fertilizer drip application, aiming to explore the role and mechanism of soil temperature in regulating cotton root growth to improve phosphorus fertilizer use efficiency. A pot experiment was conducted with t…
Current biodiversity loss exerts adverse effects on ecosystem services, and investigating the spatiotemporal evolution characteristics of land use and habitat quality in the Sanjiangyuan region holds significant importance for ecological conservation and restoration within the area. This study emplo…
Evapotranspiration, as a critical component of the water cycle, is essential for water resource regulation and ecological protection, playing a particularly important role in water consumption and redistribution in arid regions. This study takes the Aksu River Basin as the research area, utilizing M…
Ammopiptanthus nanus is an endangered evergreen shrub endemic to the desert regions of Central Asia, possessing extremely strong cold and drought resistance. It serves as a model species for investigating plant adaptation mechanisms to extreme environments and is a key focus of research on desert bi…
Constructing ecological security patterns and accurately identifying key areas for ecological restoration constitute the prerequisite and guarantee for advancing territorial ecological restoration. As a national key water source conservation area and an ecological security barrier in the upper reach…
Using hourly precipitation observation data from summers 2010–2021 in the Hedong region of Gansu, 50 regional short-duration heavy rainfall weather processes were selected to analyze the intensity, temporal and spatial distribution characteristics of short-duration heavy rainfall from the perspectiv…
The Loess Plateau is a climate-sensitive region in China, and studying the spatiotemporal variation characteristics of its accumulated temperature facilitates a comprehensive understanding of the thermal resource conditions on the Loess Plateau against the backdrop of climate warming. Based on daily…
Salinization in downstream irrigation districts of arid region river basins exacerbates soil degradation, crop yield reduction, and river water salinization, constraining the stability of agricultural production and ecological environments. Its formation is influenced by groundwater depth and improp…
Against the backdrop of gradually decreasing global atmospheric nitrogen deposition, the legacy effects of long-term nitrogen addition on alpine grassland ecosystems remain unclear. Therefore, this study conducted a 16-year controlled experiment in the Bayanbulak alpine grassland in the central Tian…
To investigate the mineralization characteristics of organic fertilizer combined with medium and trace elements in aeolian sandy soil and its effects on soil organic carbon fractions, laboratory incubation and field experiments were conducted to examine the decomposition and residual rates of organi…
In recent years, the dangerous pest Agrilus viduus Kerremans has been discovered in Yili, Xinjiang. Currently, this insect has penetrated into the hinterland of wild fruit forests, causing damage to wild apples and wild apricots. Through field surveys, fixed-point observations, and indoor rearing, t…
Sand ridges, as the fundamental topographic units of deserts, have surface hydrothermal environments at different slope positions that profoundly influence the development and spatial distribution patterns of biological soil crusts. Lichen crusts are widely distributed on desert surfaces; however, h…
Invasive plants have severely impacted global ecosystem functions and biodiversity. However, existing research primarily focuses on the monitoring and classification of single temporal phases of plants, with relatively few studies on multi-temporal continuous monitoring of key phenological stages, p…
The sandy lands in the marginal monsoon region of Northeast China are sensitive to climate change and represent ideal sites for investigating the history of aeolian evolution. This study conducted optically stimulated luminescence (OSL) dating analysis of two typical aeolian sediment sections from t…
Water supply services underpin the survival and development of human society and are critical for advancing ecological civilization construction and high-quality development of river basins in China. This study takes the Yili River Valley in Xinjiang as the research area, and based on statistical ye…
High-boron surface water and groundwater exist in the oasis area of Qiemao County, Xinjiang, seriously affecting residents' health. To preliminarily investigate the hydrochemical characteristics and main sources of boron in the oasis area of Qiemao County, 24 water samples (4 surface water and 20 gr…
Investigating the quantitative predictive assessment of climate impacts on vegetation greenness changes in the Qaidam Basin facilitates the coordinated promotion of integrated protection and systematic governance of mountains, rivers, forests, farmlands, lakes, grasslands, deserts, and atmosphere. B…
The Precipitation Concentration Index (PCI) effectively characterizes the intra-annual concentration of precipitation and is widely used in related research. Based on monthly precipitation and mean temperature observations from 15 meteorological stations in the Yarlung Tsangpo River (hereinafter ref…
Farmland in arid regions with sandy loam soil is characterized by low fertility, poor water retention, high infiltration losses, and low crop yields. Elucidating the patterns of soil water movement in sandy loam farmland is of great significance for conserving water resources and increasing crop yie…
Using MODIS snow product data, this study investigated the spatiotemporal variation characteristics of the snowmelt period on the Mongolian Plateau from 2003 to 2022, and tracked the movement of the snowmelt line toward higher latitudes at 15-day intervals as well as its response to air temperature.…
Daily precipitation data from ground meteorological stations across the eastern Tibetan Plateau in 2022 were selected to evaluate precipitation datasets from the China Meteorological Administration Multi-source Precipitation Analysis System (CMPAS), the China Meteorological Administration Land Data …
Litter decomposition plays a crucial role in carbon and nutrient cycling within terrestrial ecosystems, with climatic conditions being the primary determinant of decomposition rates. Currently, research on litter decomposition in alpine grassland ecosystems remains insufficient. To investigate the i…
Understanding how different vegetation-based restoration practices alter soil chemical and microbial characteristics is crucial, as restoration practices influence phosphorus (P) transformation and fractions and modify P adsorption behavior during the restoration process of degraded land. This study…
Artificial cyanobacteria crusts are formed by inoculating soil with cyanobacteria. These crusts help prevent soil erosion and restore soil functionality in degraded croplands. However, how fast the artificial cyanobacteria crusts can be formed is a key issue before their practical application. In ad…
Given that Xinjiang Uygur Autonomous Region of China possesses exceptionally abundant solar radiation resources that can be harnessed to develop clean energy, accurately characterizing their spatiotemporal distribution is crucial. This study investigated the applicability of the Clouds and the Earth…
In the context of population aging and the Healthy China Strategy, the rational allocation of urban medical facilities is of great significance for improving the health level and well-being of the elderly population. Based on multi-source data including the Seventh National Population Census, Points…
To investigate the degree and manner of mutual influence between land use multifunctionality and multidimensional relative poverty, and to clarify their spatiotemporal coupling relationship, this study focuses on the Gansu section of the Liupan Mountain area, constructs a coupling coordination model…
