Dongli She

Dongli She
Hohai University · College of Water Conservancy and Hydropower Engineering

PhD

About

95
Publications
20,055
Reads
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1,454
Citations
Citations since 2016
55 Research Items
1263 Citations
2016201720182019202020212022050100150200250300
2016201720182019202020212022050100150200250300
2016201720182019202020212022050100150200250300
2016201720182019202020212022050100150200250300

Publications

Publications (95)
Article
Full-text available
Purpose Rational utilization of coastal tidal flat resources is important for the sustainable development of coastal areas. The objective of this study is to reveal the variations in the soil structure and hydraulic characteristics of saline soil for different reclamation periods in coastal areas and to provide a theoretical reference for the effic...
Article
Full-text available
Sediment connectivity is an important property influencing landscape evolution. Understanding the link between sediment connectivity and hydrologic processes plays an important role in developing strategies for soil and water conservation measures. Based on 10 years of observations for 30 hydrologically monitored watersheds on the Loess Plateau, me...
Article
Full-text available
Soil erosion is a major and costly environmental hazard worldwide. Obtaining a thorough understanding of the soil erosion process is essential for erosion control. The high erodibility of the saline‐sodic soil in coastal areas causes rills to develop rapidly and erosion patterns change substantially during the rainfall process. Understanding the te...
Article
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Studying the distribution patterns and controlling mechanisms of soil organic carbon (SOC) based on the comprehensive performance of vegetation restoration and check dams at the watershed scale is important for understanding carbon cycling processes in nature. Two typical watersheds (Xinshui River and Zhujiachuan) of the Loess Plateau were selected...
Preprint
Globally, soil salinization is intensifying, with alkalization coexisting. In particular, coastal ecosystems are more susceptible to salt problems due to their formation process and geographical locations. The nitrogen (N)-cycling processes of coastal ecosystems are bound to salt-alkali changes. Ammonia (NH ) volatilization from agricultural ecosys...
Article
Agricultural activities have raised increasing concern regarding their effects on soil properties and shear strength, which are related to root growth, crop yield, and engineering stability. We collected undisturbed soil samples from no‐reclaimed (NR), short‐term reclaimed(SR), and long‐term reclaimed (LR), in coastal reclamation areas. Direct shea...
Article
Vegetation restoration can exert a profound influence on surface soil characteristics, which likely plays a considerable role in the evolution of soil erodibility. This study was conducted to quantify the effects of vegetation restoration on the soil erodibility of carbonate‐derived laterite in karst areas. Experiments were conducted at two represe...
Article
The salinization of agricultural soil is a common issue of concern. However, the coupling relationship between soil chemical properties and mechanical behavior has been largely ignored. A constant water content triaxial test was conducted by controlling suction on unsaturated agricultural soils collected from paddy fields. The soil samples were dil...
Preprint
Full-text available
AimsSoil water deficit in karst mountain lands is becoming an issue of concern owing to porous, fissured, and soluble nature of underlying karst bedrock. It is important to identify feasible methods to facilitate soil water preservation in karst mountainous lands. This study aims to seek the possibility of combined utilization of moss colonization...
Article
Full-text available
Salt-affected soils have poor structure and physicochemical properties, which affect soil nitrogen cycling process closely related to the environment, such as denitrification and ammonia volatilization. Biochar and polyacrylamide (PAM) have been widely used as soil amendments to improve soil physicochemical properties. However, how they affect deni...
Article
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Denitrification and NH3 volatilization are the main removal processes of nitrogen in coastal saline soils. In this incubation study, the effects of wheat straw biochar application at rates of 0, 2, 5, 10 and 15% by weight to saline soil with two salt gradients of 0 and 1‰ on denitrification and NH3 volatilization were investigated. The results show...
Article
Full-text available
Soil hydraulic properties are important for studying Earth science. The pore‐solid fractal (PSF) model, combined with a critical path analysis from percolation theory, seems to be more promising in the modeling of soil hydraulic properties. The accuracy of the PSF model depends on the accurate acquisition of fractal dimensions, which requires the c...
Article
High sodium salt stress and low soil organic carbon (SOC) inhibit the saline-sodic soil improvement and vegetation restoration in tidal flat reclamation areas in China. Applying biochar (BC) improved soil properties and supplied SOC, but it increased the risk of soil erosion. Combining polyacrylamide (PAM) with BC was hypothesized to mitigate the n...
Article
With the implementation of a series of soil and water conservation measures, especially vegetation restoration projects and check dam construction, the sediment export in the Coarse Sandy Hilly Catchments (CSHC) region has decreased significantly. Quantifying the impact of check dams on sediment reduction in the CSHC region can provide a basis for...
Article
Full-text available
To investigate the source identification of soil elements and risk assessment of trace elements under different land-use types, 32 pairs of topsoil samples (0–20 cm) were collected from two subcatchments in the Liudaogou watershed. The areas of the two subcatchments were 0.343 and 0.045 km2, respectively, and the two subcatchments were divided into...
Article
The soil erosion and sediment load of the coarse sandy hilly catchment region of the Yellow River basin, which is the main source of sediment for the Yellow River, have become sources of concern for researchers as well as for the local population. Soil and water conservation measures, especially reforestation and check dam construction, have been p...
Preprint
Full-text available
Salt-affected soils have poor structure and physicochemical properties, which affect soil nitrogen cycling process closely related to the environment, such as denitrification and ammonia volatilization. Biochar and polyacrylamide (PAM) have been widely used as soil amendments to improve soil physicochemical properties. However, how they affect deni...
Article
The unsaturated soil shear strength is a crucial parameter for the evaluation of erosion and slope stability analysis. In this study, we collected unsaturated and undisturbed soil samples in Aug 2018 and investigated the relationship between the unsaturated soil shear strength, soil salt content (SSC) and particle content in coastal reclamation are...
Article
Due to poor soil quality, coastal saline soil limits soil productivity. Therefore, it is of great importance to find appropriate and efficient methods to improve the quality of coastal saline soil. Biochar has been widely used as a soil amendment to improve soil properties, but the effects of biochar amendment on soil pore structure and soil hydrau...
Article
Full-text available
To investigate the source identification of soil elements and risk assessment of trace elements under different land-use types, 32 pairs of topsoil samples (0-20 cm) were collected from two subcatch-ments in the Liudaogou watershed. The areas of the two subcatchments were 0.343 and 0.045 km 2 , respectively , and the two subcatchments were divided...
Article
Excess soluble salts in the soil and irrigation water creates difficulties for plant growth and lowers nutrient availability in the soil. Organic ameliorants such as biochar are believed to be one of the effective treatments for soil improvement and salt stress alleviating. To access the response of different types of salt in irrigation water and b...
Article
Tidal flat reclamation generates several excavated saline-sodic soil slopes. However, there are limited studies on the hydraulic flow characteristics and dynamic erodibility of saline-sodic soil slopes. This study was conducted to quantify the effects of the soil bulk density (1.35 and 1.40 g cm⁻³), rainfall intensity (85, 110, and 125 mm h⁻¹), and...
Article
Karst mountainous agroforestry significantly enhances the formation of soil fractures. However, there are still some uncertainties regarding the effects of these soil fractures on water flow in carbonate-derived laterite. Therefore, a series of laboratory column infiltration and blue dye-tracing experiments were designed to evaluate the effects of...
Article
Revealing the influences of soil salinity on soil structure and hydraulic properties contributes to understanding the mechanism of salinity restraining rehabilitation of saline sodic soil in coastal area. After being passed through a 1 mm sieve, silt loam and silty clay were irrigated with saline water to achieve different soil salinities to highli...
Article
Knowledge on multi-scale and localized control of saturated soil hydraulic conductivity (Ksat) at the watershed scale is lacking. The objective of this study was to evaluate the multi-scale spatial relationships among Ksat and environmental factors (i.e., soil and topographic attributes and land-use systems) using wavelet coherency and multiple wav...
Article
The development of biocrusts and litter cover has been promoted by the vegetation restoration of karst mountainous lands in recent decades. However, the contribution of biocrust and litter to the karst terrestrial water cycle is still unclear. The interactive effects of moss crusts and pine needles on evaporation processes were explored by insertin...
Article
Modeling the oxygen-18 in precipitation based on regional topography and meteorological factors is helpful to constrain missing isotopic data in some regions that is required for many paleoclimate, eco-hydrological and atmospheric circulation studies. Therefore, the relationship between δ 18 O in precipitation (δ 18 OPPT) and the affecting factors...
Article
Recent surveys have reported severe erosion and slope collapse caused by a combination of the poor structure of silt loam and heavy rainfall in reclaimed areas of China. Biochar and polyacrylamide (PAM) have been widely used as amendments to protect soil from degradation and enhance plant growth. However, few studies have focused on their synergic...
Article
Sustainable development of coastal reclamation area is severely restricted by the high soil salt content and irrigation water salinity. We investigated the water flow and salt transport in open soil columns subjected to evaporation and intermittent irrigation with saline/distilled water by long‐term wetting‐drying cycles. The study included two dif...
Article
Full-text available
Accurately determining denitrification rates is essential for estimating the nitrogen budget in flooded ecosystems. The acetylene inhibition method (AIT) is a simple and common technique for measuring sediment denitrification. However, incomplete inhibition of nitrous oxide reduction or concurrent inhibition of nitrification may lead to underestima...
Article
Many erodible and unstable bare soil slopes were exposed under rainfall during the tidal flat reclaimed to be farmland in the coastal provinces of China. There is an urgent need for erosion control methods that are not only efficient and effective long term but also economical and environmentally friendly for slopes with saline-sodic soils. A combi...
Article
Full-text available
Studies on changes in soil saline–sodic characteristics have important reference value for reclamation planning and agricultural utilization of coastal regions.The objective of this study was to investigate the spatial distribution of the soil salt content (SSC) and sodium adsorption ratio (SAR) in two transects, which extended through different re...
Article
Full-text available
Denitrification is one of the most challenging nitrogen (N)‐cycling processes to quantify due to complex interactions among influencing factors. In shallow water‐sediment systems, ubiquitous periphytic biofilms consisting of a consortium of algae, bacteria, and nutrients account for additional interactions. The challenge in improving denitrificatio...
Article
Full-text available
Biochar amendments have been used in agriculture to improve soil fertility and enhance crop productivity. A greenhouse experiment was conducted to test the hypothesis that biochar amendment could also enhance the productivity of salt-affected soils. The trial was conducted over two consecutive growing seasons to investigate the effect of biochar am...
Article
Nutrients losses through leaching are the main problem facing coastal saline soil. Effective microorganisms (EM) and Gypsum (G) at the application rate of 5%G and 10%G by weight were used as soil amendments. The pot experiment aimed to improve the leaching of nitrate (NO3), ammonium (NH4) and total nitrogen (TN) on the coastal saline soil. The EM+...
Article
Current physically based erosion models do not carefully consider the dynamic variations of soil properties during rainfall and are unable to simulate saline-sodic soil slope erosion processes. The aim of this work was to build upon a complete model framework, SSEM, to simulate runoff and erosion processes for saline-sodic soils by coupling dynamic...
Article
Full-text available
Purpose Agricultural drainage ditches constitute corridor wetlands that facilitate agricultural non-point nitrogen (N) load transportation into river systems. Quantifying sediment denitrification in ditches provides relationships between N losses from agriculture and water quality. However, high denitrification rate potential and limited N residenc...
Article
Using leaching to remove salt beyond the root zone by deep percolation requires more water to be added and this increases the stress on water resources. We hypothesized that biochar addition could mitigate salt stresses on plants and reduce the leaching fraction. For this purpose, seven irrigation water salinity levels with electrical conductivitie...
Article
Full-text available
Soil salinity is a severe worldwide environmental problem that adversely affects soil properties and the crop growth such as okra. We hypothesized that biochar soil amendments could increase the okra salt threshold, alleviate salt stress and improve soil productivity. In this study, a pot experiment was conducted to investigate whether biochar coul...
Article
Biochar soil amendments have the potential to improve the soil water and nutrient status, and could enhance crop productivity. A greenhouse experiment was conducted over two consecutive growing seasons to investigate the effects of biochar amendment (BA) in combination with deficit irrigation (DI) on tomato growth, physiology, yield, fruit quality,...
Article
Knowledge of soil saline-alkaline distributions and salt migration mechanism is important when developing strategies that reduce soil salinity, improve soil fertility, and enhance soil management in coastal reclamation regions. Soil saline-alkaline characteristics are indicated by the soil salt content (SSC) and sodium adsorption ratio (SAR). Howev...
Article
Ammonia (NH3) volatilization is one of the main pathways of nitrogen (N). The aim of this work was to investigate the determinants of NH3 volatilization, and characterize how the overlying water, sediment, and periphyton interact to regulate the rates of NH3 volatilization in shallow aquatic systems. Two types of structural equation modeling (SEM)...
Article
Seeking a potential erosion control method for saline-sodic soil slopes under coastal reclamation is essential. We investigated the effect of rock fragment covers (RC) on the rainfall partitioning, infiltration and runoff processes, and the erosion processes for saline-sodic slopes of 15° and 30° subjected to a 50-min simulated rainstorm with an in...
Article
Soil hydraulic properties are important to the understanding and modeling of hydrological processes at the watershed scale. These properties are presumed to be correlated with associated topographic attributes and other soil factors operating at different intensities and scales. Using multivariate empirical mode decomposition (MEMD), this study exa...
Article
Seeking a potential erosion control method for saline-sodic soil slopes under coastal reclamation is essential.We investigated the effect of rock fragment covers (RC) on the rainfall partitioning, infiltration and runoff processes, and the erosion processes for saline-sodic slopes of 15° and 30° subjected to a 50-min simulated rainstorm with an int...
Article
Soil salinization can occur in many regions of the world. Soil sodicity affects rainfall-runoff relationships and related erosion processes considerably. We investigated sodicity effects on infiltration, runoff and erosion processes on sodic soil slopes for two soils from China under simulated rainfall. Five sodicity levels were established in a si...
Article
Evaluation of the effects of slope gradient and rainfall intensity on the hydrological responses on slopes can provide important information for soil and water conservation. We conducted simulated rainfall experiments to study the hydrological response of a saline-sodic soil on slopes with different gradients (6°, 11°, 22°, and 35°) and rainfall in...
Article
Full-text available
Polycyclic aromatic hydrocarbons (PAHs) are regarded as environmental pollutants that contribute to several adverse health outcomes. There is no research evidence to support a connection between PAH exposure and hearing loss. Our study aimed to determine the association between PAH exposure and hearing threshold shifts using the National Health and...
Article
The effects of land use and land-use changes on river nutrient concentrations are not well understood, especially in the watersheds of developing countries that have a mixed land use of rice paddy fields and developing urban surfaces. Here, we present a three-year study of a paddy agricultural–urban area gradient watershed in southeast China. The a...
Article
Evaluation of the effects of slope gradient and rainfall intensity on the hydrological responses on slopes can provide important information for soil and water conservation. We conducted simulated rainfall experiments to study the hydrological response of a saline-sodic soil on slopes with different gradients (6°, 11°, 22°, and 35°) and rainfall in...
Article
High spatial variability of soil salinity in coastal reclamation regions makes it difficult to obtain accurate scale-dependent information. The objectives of this study were to describe the spatial patterns of saline-sodic soil properties (using soil pH, electrical conductivity (EC1:5) and sodium ion content (SIC) as indicators) and to gain knowled...
Article
Levelling is used in rice fields to correct land irregularities for management practice improvement. Effects of levelling have been evaluated using univariate tools from classical statistics and geostatistics, which disregard possible effects on interrelations among soil properties. This study aimed to: (i) evaluate the effect of levelling on soil...
Article
Soil water content (θ) and saturated hydraulic conductivity (Ks) vary in space. The objective of this study was to examine the effects of initial soil water content (θi) and Ks variability on runoff simulations using the LImburg Soil Erosion Model (LISEM) in a small watershed in the Chinese Loess Plateau, based on model parameters derived from inte...
Article
Full-text available
This study was conducted to assess the influences of soil surface conditions and initial soil water content on water movement in unsaturated sodic soils of reclaimed coastal areas. Data was collected from column experiments in which two soils from a Chinese coastal area reclaimed in 2007 (Soil A, saline) and 1960 (Soil B, nonsaline) were used, with...
Article
Full-text available
This study was conducted to assess the influences of soil surface conditions and initial soil water content on water movement in unsaturated sodic soils of reclaimed coastal areas. Data was collected from column experiments in which two soils from a Chinese coastal area reclaimed in 2007 (Soil A, saline) and 1960 (Soil B, nonsaline) were used, with...
Article
Full-text available
Knowledge of the distribution of soil organic carbon (SOC) in artificial grassland in semiarid areas is helpful in optimizing management for soil fertility recovery and carbon sequestration. Accurate estimation of SOC with easy-to-obtain topographic properties can save considerable labor and cost as well as protect the grassland from being disturbe...
Article
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In order to reduce agricultural non-point source pollution and improve water use efficiency, the research on the change in ammonium nitrogen (NH4+-N), nitrate nitrogen (NO3−-N) and total phosphorus (TP) load in surface water at each growth stage was conducted by use of lysimeter based on experimental test in flooding paddy field at different leakag...
Article
Full-text available
Increases in soil salinity and/or sodicity are degrading soils worldwide. To address the problem, more information is needed about the effects of salinity and sodicity on soil hydraulic properties, as well as on the relative effects of other interacting soil properties. In this study, tests were conducted using an infiltrometer with negative hydrau...
Article
Saturated hydraulic conductivity (Ks) is affected by various factors operating at different scales. This study identified the multi-scale spatial relationships between Ks and selected basic soil properties (soil organic matter (SOM), clay, silt, and sand contents, and bulk density (BD)) along two landscape transects (with various soil textures and...
Article
Full-text available
Increases in soil salinity and/or sodicity are degrading soils worldwide. To address the problem, more information is needed about the effects of salinity and sodicity on soil hydraulic properties, aswell as on the relative effects of other interacting soil properties. In this study, tests were conducted using an infiltrometer with negative hydraul...
Article
Full-text available
The effects of two levels of irrigation water (100%, 60%) and buried underground pipe depths (0.8 m, 0.6 m) under rain shelters' conditions on yield and some quality parameters of tomato were investigated. A fully randomized factorial experiment was conducted between April and August in 2011 and 2012 at Hohai University. It was found that drainage...