Chuanhui Gu

Journal Article Agriculture (Switzerland) · January 1, 2024 Anthropogenic greenhouse gas (GHG) emissions from croplands are primarily attributed to nitrogen (N) fertilization in agricultural production. However, the interactive effects of various agricultural management practices, climatic conditions, soil properti ... Full text Cite

Accumulation and migration of microplastics and its influencing factors in coastal saline-alkali soils amended with sewage sludge.

Journal Article Ecotoxicology and environmental safety · November 2023 Coastal saline-alkali soil can be transformed to agricultural soil with sewage sludge amendment. However, sewage sludge contains a large number of microplastics (MPs), and the fate of MPs in sludge-treated saline-alkali soil needs to be studied. Therefore, ... Full text Cite

Crop residue return and nitrogen fertilizer reduction alleviate soil acidification in China's croplands

Journal Article Land Degradation and Development · July 15, 2023 Accurate knowledge of the soil pH in China's croplands is essential to control soil acidification and improve soil quality and sustainability of agricultural systems. Here, this study analyzed the soil pH in China's croplands and its change based on a comp ... Full text Cite

Alleviated environmental constraints and restructured fungal microbiome facilitate aggregate formation and stabilization in coastal mudflat saline soil amended by sewage sludge

Journal Article Land Degradation and Development · June 1, 2023 Soil aggregates are important drivers of soil productivity. However, the relative importance of soil abiotic and biotic agents in driving aggregate formation and stabilization remain largely unexplored, especially in coastal mudflat saline soils. We amende ... Full text Cite

Nitrate sink function of riparian zones induced by river stage fluctuations.

Journal Article Journal of environmental management · February 2023 River stage fluctuation (RSF) induced by tides, dam releases, or storms may lead to enhanced nitrogen cycling (N cycling) in riparian zones (RZ). We conducted a laboratory water table manipulation experiment and applied a multiphase flow and transport mode ... Full text Cite

Discrete and continuous measures of consequentiality

Journal Article Journal of Environmental Economics and Policy · January 1, 2023 A respondent finds a survey consequential if they believe their answer could influence the policy being addressed in the survey and if they believe that they will have to pay for the policy if implemented. Given these criteria, the literature has followed ... Full text Cite

Soil organic carbon sequestration in croplands can make remarkable contributions to China's carbon neutrality

Journal Article Journal of Cleaner Production · January 1, 2023 The vast cropland in China is an important carbon pool with substantial carbon sequestration potential. Here, this study estimated the soil organic carbon stock in China's croplands based on a comprehensive investigation of 7.5 million soil samples from 22 ... Full text Cite

Effects of Different Exogenous Organic Materials on Improving Soil Fertility in Coastal Saline-Alkali Soil

Journal Article Agronomy · January 1, 2023 The coastal saline-alkali soil in eastern China is an important reserve arable land resource. Adding exogenous organic material is an effective way to improve soil fertility and promote the conversion of saline-alkali soil to agricultural soil. In this stu ... Full text Cite

Differential Effects of Organic Ameliorants on the Reassembly of Bacterial Communities in Newly Amended Coastal Mudflat Salt-Affected Soil

Journal Article Agronomy · October 1, 2022 Understanding the influences of organic ameliorants amendment on the soil microbiome is fundamental for the alleviation of environmental constraints in coastal mudflat salt-affected soils. However, how the compositional and structural diversity of the micr ... Full text Cite

Impact of organic amendments on the bioavailability of heavy metals in mudflat soil and their uptake by maize.

Journal Article Environmental science and pollution research international · September 2022 Organic amendments (OAs) can be a sustainable and effective method for mudflat soil improvement. A field experiment was conducted to investigate the potential of OA application to mudflat soil improvement. We measured the pH, soil organic matter (SOM), sal ... Full text Cite

Utilization of Straw Resources May Affect the Speciation of Cd and Its Solubility in Cd-Contaminated Paddy Soil

Journal Article Frontiers in Environmental Science · July 7, 2022 Rice-wheat rotation has long been the most typical cropping system along the mid-lower reaches of the Yangtse River in China, and the full amount returning of wheat straw before rice season is widely practiced in the rotation system. However, massive incor ... Full text Cite

Effects of Vermicompost Application on Growth and Heavy Metal Uptake of Barley Grown in Mudflat Salt-Affected Soils

Journal Article Agronomy · May 1, 2022 China is facing a shortage of arable land resources, and the mudflat salt-affected soil along the east coast of China is an important reserve arable land resource. In this study, we conducted a randomized field trial to investigate the effects of vermicomp ... Full text Cite

Barley Growth and Metals Accumulation in Salt-affected Mudflat Amended by Sewage Sludge

Journal Article Communications in Soil Science and Plant Analysis · January 1, 2022 Barley cultivation in salt-affected mudflat can alleviate the growing domestic barley demand and land use conflict. However, the coincidence of barley growing season and salt accumulation period of mudflat limits barley production despite of some natural t ... Full text Cite

Managing stormwater runoff in Appalachia: What does the public think?

Conference JOURNAL OF PLANNING LITERATURE · 2022 Cite

Structural and Predicted Functional Diversities of Bacterial Microbiome in Response to Sewage Sludge Amendment in Coastal Mudflat Soil.

Journal Article Biology · December 2021 The study investigated the influence of sewage sludge application at rates of 0 (CK), 30 (ST), 75 (MT), and 150 (HT) t ha-1 to mudflats on bacterial community diversity and predicted functions using amplicon-based sequencing. Soils under sewage ... Full text Cite

Scale-dependent biogeomorphic feedbacks control the tidal marsh evolution under Spartina alterniflora invasion.

Journal Article The Science of the total environment · July 2021 The mechanisms of biogeomorphic feedbacks and its influencing factors have been extensively studied for pioneer species colonization in tidal environment. However, biogeomorphic impacts of alien species over the entire invasion process coupled with hydro-g ... Full text Cite

Long-term Impact of Organic Amendments on the Bioavailability of Heavy Metals in Mudflat Soil and Their Uptake by Maize

Preprint · June 22, 2021 Full text Cite

Measuring the Direct and Indirect Effect of Scientific Information on Valuing Storm Water Management Programs With a Hybrid Choice Model

Journal Article Water Resources Research · May 1, 2021 We use scientific information to develop a realistic hypothetical scenario for storm water management and water quality improvements in a stated preference valuation survey. We then provide different treatment levels of the scientific information to survey ... Full text Cite

Sustained effects of one-time sewage sludge addition on rice yield and heavy metals accumulation in salt-affected mudflat soil.

Journal Article Environmental science and pollution research international · February 2021 High-yielding and sustainable production of rice in salt-affected mudflat is restricted by high soil salinity. Although sewage sludge can be used for mudflat amendment especially soil salt reduction, the possibility of potential heavy metal contamination i ... Full text Cite

Sewage sludge application enhances soil properties and rice growth in a salt-affected mudflat soil.

Journal Article Scientific reports · January 2021 The most important measures for salt-affected mudflat soil reclamation are to reduce salinity and to increase soil organic carbon (OC) content and thus soil fertility. Salinity reduction is often accomplished through costly freshwater irrigation by special ... Full text Cite

Micro-Topography Manipulations Facilitate Suaeda Salsa Marsh Restoration along the Lateral Gradient of a Tidal Creek

Journal Article Wetlands · October 2020 Topographic heterogeneity provides a potential opportunity for seedling recruitment in the disturbance-dynamic ecosystem. Micro-topography manipulation is the typical way to imitate or recover the natural topographic heterogeneity for the degraded salt mar ... Full text Cite

Potential concerns in fullerene application to water treatment related to transformation, cellular uptake and intracellular catalysis.

Journal Article The Science of the total environment · August 2020 Fullerene (C60) exhibits versatile properties that shows great potential for improving water treatment technologies. However, the probable transformation of C60 during water treatment, which consequently changes the physicochemical pr ... Full text Cite

Managing stormwater runoff in Appalachia: what does the public think?

Journal Article Journal of Environmental Planning and Management · December 6, 2019 As concerns about urban stormwater runoff become more acute and decentralized management gains popularity, there is a need to better understand public attitudes about stormwater management. We surveyed residents in Appalachia to assess knowledge about stor ... Full text Cite

Response of bacterial communities in coastal mudflat saline soil to sewage sludge amendment

Journal Article Applied Soil Ecology. · December 2019 Microbial communities are of great importance in the development of saline soil fertility in coastal mudflats. However, the effects of sewage sludge use on the microbiome in saline soils of mudflats are unknown. This study aimed to investigate the response ... Full text Cite

Heavy metal distribution and uptake by maize in a mudflat soil amended by vermicompost derived from sewage sludge.

Journal Article Environmental science and pollution research international · October 2019 Sewage sludge has been regarded as an economic and efficient soil amendment for mudflat soil amendment despite of the concern of heavy metal contamination. Converting sewage sludge into vermicompost by earthworms may be effective to minimize the risk of he ... Full text Cite

Water disinfection processes change the cytotoxicity of C₆₀ fullerene: Reactions at the nano-bio interface.

Journal Article Water research · October 2019 The environmental transformation of nanoparticles results in significant changes in their structure, properties, and toxicity, which are imperative for assessing their environmental impact and health risks. Little is known about the toxicity alteration of ... Full text Cite

In-situ organic phosphorus mineralization in sediments in coastal wetlands with different flooding periods in the Yellow River Delta, China.

Journal Article The Science of the total environment · September 2019 In-situ incubation experiments were performed in typical tidal flooding wetlands and seasonal flooding wetlands in the Yellow River Delta of China to investigate sediment organic phosphorus (OP) mineralization and its influencing factors. The results showe ... Full text Cite

Modeling effects of low impact development on road salt transport at watershed scale

Journal Article Journal of Hydrology · July 1, 2019 Low impact development (LID) practices can mitigate adverse impacts of urbanization on hydrology and water quality by using decentralized designs to control stormwater runoff at the source. Most previous research has focused on LID impacts on stormwater ru ... Full text Cite

Sewage sludge amendment improved soil properties and sweet sorghum yield and quality in a newly reclaimed mudflat land.

Journal Article The Science of the total environment · March 2019 Growing bioenergy crop on marginal lands has the potential to minimize land use conflicts and meet global energy demand. The newly reclaimed mudflats through sewage sludge amendment can be used as a potential marginal land for bioenergy production. This pa ... Full text Cite

Heavy metal leaching and plant uptake in mudflat soils amended with sewage sludge.

Journal Article Environmental science and pollution research international · November 2018 The leaching and uptake of Cd, Cu, Pb, and Zn by maize (Zea mays L.) in mudflat saline-alkali soils amended by sewage sludge was examined using a greenhouse leaching column experiment. Application of sewage sludge caused decreased pH, increased DOC, and in ... Full text Cite

Eastern China coastal mudflats: Salt-soil amendment with sewage sludge

Journal Article Land Degradation and Development · October 1, 2018 The mudflats developed along the east coast of China can be important alternative land sources for agricultural purpose after amending with organic fertilizers in large amounts. Abundant in quality organic matter and other plant nutrients, municipal sewage ... Full text Cite

A urine-fuelled soil-based bioregenerative life support system for long-term and long-distance manned space missions.

Journal Article Life sciences in space research · May 2018 A soil-based cropping unit fuelled with human urine for long-term manned space missions was investigated with the aim to analyze whether a closed-loop nutrient cycle from human liquid wastes was achievable. Its ecohydrology and biogeochemistry were analyse ... Full text Cite

Distribution of cadmium, copper, lead, and zinc in mudflat salt-soils amended with sewage sludge

Journal Article Land Degradation and Development · April 1, 2018 Applying sewage sludge to mudflat salt-soils can rapidly improve soil physicochemical properties and enhance pollution potential. Nevertheless, the heavy metal distribution in leachate and mudflat salt-soils with sludge amendment remains unclear. The prese ... Full text Cite

Detrended fluctuation analysis and entropy-complexity causality analysis of temperatures in an urbanized mountain stream

Journal Article Stochastic Environmental Research and Risk Assessment · March 1, 2018 We present the results of applying detrended fluctuation analysis (DFA) to study correlations in mountain stream temperatures over a 9-year period for impacted and unimpacted conditions. Permutation entropy and complexity are also computed for stream tempe ... Full text Cite

Distribution of heavy metals in maize and mudflat saline soil amended by sewage sludge

Journal Article Journal of Soils and Sediments · June 1, 2017 Purpose: Sewage sludge has been considered as the economic choice for soil amendment. However, whether sewage sludge can effectively amend mudflat saline soil remains unclear. This paper was one of first studies to fill this knowledge gap by assessing the ... Full text Cite

Sewage sludge as an initial fertility driver for rapid improvement of mudflat salt-soils.

Journal Article The Science of the total environment · February 2017 Sewage sludge is by-product in the process of centralized wastewater treatment. Land application of sewage sludge is one of the important disposal alternatives. Mudflats in the interaction zone between land and sea can be important alternative sources for ... Full text Cite

Sewage Sludge Amendment Combined with Green Manuring to a Coastal Mudflat Salt-Soil in Eastern China: Effects on Soil Physicochemical Properties and Maize Yield

Journal Article International Journal of Agronomy · January 1, 2017 Sewage sludge and green manure have become widely used organic amendments to croplands in many regions of the world. However, the amending effect of the combination of sewage sludge with green manuring in reclaimed coastal mudflat salt-soil has been unclea ... Full text Cite

Coastal Mudflat Saline Soil Amendment by Dairy Manure and Green Manuring

Journal Article International Journal of Agronomy · January 1, 2017 Dairy manure or green manuring has been considered as popular organic amendment to cropland in many countries. However, whether dairy manure combined with green manuring can effectively amend mudflat saline soil remains unclear. This paper was one of first ... Full text Cite

Evaluating Dairy Manure as Initial Fertility Driver for Mudflat Soil Amendment

Journal Article Journal of Residuals Science and Technology · 2017 Full text Cite

To Restore or Not to Restore: Assessing Pre-project Conditions of a Habitat Restoration Project on the New River, North Carolina

Journal Article Environmental Processes · December 1, 2015 Despite continued emphasis on restoring streams to improve ecological function, there remains a dearth of data documenting pre-restoration conditions to clearly establish a need for restoration. Without establishing a clear, data-driven need for restoratio ... Full text Cite

Air-stream temperature correlation in forested and urban headwater streams in the Southern Appalachians

Journal Article Hydrological Processes · March 15, 2015 Air temperature can be an effective predictor of stream temperature. However, little work has been done in studying urban impacts on air-stream relationships in groundwater-fed headwater streams in mountainous watersheds. We applied wavelet coherence analy ... Full text Cite

The effects of household management practices on the global warming potential of urban lawns.

Journal Article Journal of environmental management · March 2015 Nitrous oxide (N2O) emissions are an important component of the greenhouse gas (GHG) budget for urban turfgrasses. A biogeochemical model DNDC successfully captured the magnitudes and patterns of N2O emissions observed at an urban turfgrass system at the R ... Full text Cite

Hyporheic Exchange and Nutrient Uptake in A Forested and Urban Stream in the Southern Appalachians

Journal Article Environment and Natural Resources Research · May 27, 2014 Full text Cite

Responses of Ryegrass (Lolium perenne L.) Grown in Mudflats to Sewage Sludge Amendment

Journal Article Journal of Integrative Agriculture · February 1, 2014 Sewage sludge amendment (SSA) is an alternative waste disposal technique and a potential way to increase fertility of mudflats for crop growth. The present study aimed to assess the suitability of SSA by assessing the nitrogen (N) and phosphorous (P) uptak ... Full text Cite

Mudflat soil amendment by sewage sludge: Soil physicochemical properties, perennial ryegrass growth, and metal uptake

Journal Article Soil Science and Plant Nutrition · December 20, 2013 The fast pace of cropland loss in China is causing alarm over food security and China's ability to remain self-reliant in crop production. Mudflats after organic amendment can be an important alternative cropland in China. Land application of sewage sludge ... Full text Cite

Growth characteristics, nutrient uptake, and metal accumulation of ryegrass (Lolium perenne L.) in sludge-amended mudflats

Journal Article Acta Agriculturae Scandinavica Section B: Soil and Plant Science · May 1, 2013 The objective of this study was to investigate the impact of sewage sludge amendment (SSA), with the rates of 0, 30, 75, 150, and 300 t ha-1, on soil chemical properties and biomass, aboveground and root growth, and nitrogen and phosphorus uptake of ryegra ... Full text Cite

Straw incorporation increases solubility and uptake of cadmium by rice plants

Journal Article Acta Agriculturae Scandinavica Section B: Soil and Plant Science · April 1, 2013 Straw incorporation is a widespread agricultural practice to enhance soil fertility and to recycle crop residues. However, how straw incorporation affects mobility and plant uptake of heavy metals such as cadmium (Cd) still remains unclear. The effect of s ... Full text Cite

Effect of sewage sludge amendment on heavy metal uptake and yield of ryegrass seedling in a mudflat soil.

Journal Article Journal of environmental quality · March 2013 Mudflat soil amendment by sewage sludge is a potential way to dispose of solid wastes and increase fertility of mudflat soils for crop growth. The present study aimed to assess the impact of sewage sludge amendment (SSA) on heavy metal accumulation and gro ... Full text Cite

Riparian biogeochemical hot moments induced by stream fluctuations

Journal Article Water Resources Research · October 8, 2012 [1] Hyporheic exchanges in riparian zones induced by stream stage fluctuations, referred to as bank storage, can influence contaminant transport and transformation when mixing of groundwater and surface waters with distinct chemical signatures occur, which ... Full text Cite

Environmental controls on nitrogen and sulfur cycles in surficial aquatic sediments.

Journal Article Frontiers in microbiology · January 2012 Enhanced anthropogenic inputs of nitrogen (N) and sulfur (S) have disturbed their biogeochemical cycling in aquatic and terrestrial ecosystems. The N and S cycles interact with one another through competition for labile forms of organic carbon between nitr ... Full text Cite

Erratum: Combined effects of short term rainfall patterns and soil texture on soil nitrogen cycling - A modeling analysis (Journal of Contaminant Hydrology (2010) 112 (141-154))

Journal Article Journal of Contaminant Hydrology · January 25, 2011 Full text Cite

Complexity in microbial metabolic processes in soil nitrogen modeling: A case for model averaging

Journal Article Stochastic Environmental Research and Risk Assessment · April 1, 2010 Model uncertainty is rarely considered in the field of biogeochemical modeling. The standard biogeochemical modeling approach is to proceed based on one selected model with the right complexity level based on data availability. However, other plausible mod ... Full text Cite

Combined effects of short term rainfall patterns and soil texture on soil nitrogen cycling - a modeling analysis.

Journal Article Journal of contaminant hydrology · March 2010 Precipitation variability and magnitude are expected to change in many parts of the world over the 21st century. We examined the potential effects of intra-annual rainfall patterns on soil nitrogen (N) transport and transformation in the unsaturated soil z ... Full text Cite

Aqueous and gaseous nitrogen losses induced by fertilizer application

Journal Article Journal of Geophysical Research: Biogeosciences · March 28, 2009 In recent years, concern has grown over the contribution of nitrogen (N) fertilizer use to nitrate (NO3-) water pollution and nitrous oxide (N2O), nitric oxide (NO), and ammonia (NH3) atmospheric pollution. Characterizing soil N effluxes is essential in de ... Full text Cite

Influence of stream-groundwater interactions in the streambed sediments on NO3^- flux to a low-relief coastal stream

Journal Article Water Resources Research · November 1, 2008 Water-saturated, organic-rich sediments immediately surrounding a stream channel can provide a protective buffer between streams and adjacent land-based activities by removing plant nutrients from shallow groundwater flowing through them, but the hydrologi ... Full text Cite

A mechanistic treatment of the dominant soil nitrogen cycling processes: Model development, testing, and application

Journal Article Journal of Geophysical Research: Biogeosciences · June 28, 2008 The development and initial application of a mechanistic model (TOUGHREACT-N) designed to characterize soil nitrogen (N) cycling and losses are described. The model couples advective and diffusive nutrient transport, multiple microbial biomass dynamics, an ... Full text Cite

Effect of freshets on the flux of groundwater nitrate through streambed sediments

Journal Article Water Resources Research · May 1, 2008 The passage of a flood wave over sandy stream sediments can cause changes in the discharge of groundwater to the stream that range from a transient reduction in the discharge rate to a reversal of flow and temporary storage of stream water in the stream se ... Full text Cite

Nitrate reduction in streambed sediments: Effects of flow and biogeochemical kinetics

Journal Article Water Resources Research · December 1, 2007 The effect of retention time on redox sequences along the hydrological flow path of groundwater discharging through low-relief coastal stream sediments and the subsequent impact on the fate of NO3- carried in the groundwater was examined in two intact core ... Full text Cite