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Articles by Chunhui Lu
Analytical and Laboratory Investigation of Groundwater Pumping in Strip Island Aquifers With Single-Sided Land Reclamation
1 Introduction Small islands constitute critical habitats for millions of people worldwide and host highly distinctive ecological, social, and economic systems (Connell, 2013; Kier et al., 2009; Nurse et al., 2014). On many of these islands, groundwater stored in buoyant freshwater lenses overlying denser saline water is often the primary and most reliable source of potable water, due to limited surface water availability and the high costs for desalination or bulk water transport (A.
Threefold increase in atmospheric–riverine compound heatwaves under climate change
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BY Record-breaking heatwaves disrupt global water, energy and food systems, yet the co-occurrence of atmospheric and riverine events remains largely unexplored. Here we analyse 796 river basins in the USA and Central Europe to characterize such co-occurring atmospheric–riverine compound heatwaves. Combining water quality observations with a deep learning model, we find that compound heatwaves have increased by about 0.40 events per decade since the 1980s.
By Yu Zhou, Yanxia Shen, Wei Zhi, Bo Zhou, Senlin Zhu, Li Yuan Verified, Yangyang Wang, Chuan Wang, Kun Shi, Amir AghaKouchak, Michelle van Vliet, Chunhui Lu, R. Iestyn Woolway
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Nature
Verified
Land-Atmosphere Coupling Is Associated With Severer Vegetation Productivity Losses During Compound Dry-Hot Events in Drylands
Conflicts of Interest The authors declare no conflicts of interest. Data Availability Statement The data that support the findings of this study are available from the corresponding author upon reasonable request. Supporting Information Filename Description joc70522-sup-0001-FigureS1-S15.docxWord 2007 document , 8.3 MB Figure S1: Spatial distribution of vegetation types. Only vegetated regions in drylands are shown here. Vegetated region with CDHE frequency less than five are shown in grey.
Numerical Investigation of Storm Surge Effects on Denitrification in Nearshore Aquifers
1 Introduction Nitrogen (N) is a critical nutrient element that supports primary productivity in marine and terrestrial ecosystems, but excessive N loading has become a major environmental concern in recent decades (Gao et al., 2010; Rakhimbekova et al., 2022).
Effect of Alongshore Aquifer Property Changes on the Steady-State Extent of Seawater in Coastal Aquifers: Analytical Derivation and Numerical Validation
1 Introduction The fresh groundwater of coastal areas is threatened by a wide range of human-induced stresses, with significant implications for water supply and groundwater-dependent ecosystems (Michael et al., 2017).
Contrary effects of soil moisture-atmosphere feedback on dry and humid heatwaves - Nature Communications
Abstract Although soil moisture-atmosphere feedback (SAF) has been widely recognized as a key driver of temperature extremes, its distinct impacts on dry and humid heatwaves remain insufficiently understood, largely due to previous studies focusing predominantly on dry heatwaves alone.
A Computationally Efficient Stochastic Method for Quantifying the Effects of Multi‐Surrogate Model Uncertainty on Saltwater Remediation Optimization
1 Introduction Saltwater intrusion (SWI) has caused aquifer salinization in many regions and worsened groundwater quality (Abidi et al., 2024; Cao et al., 2021; Kihm et al., 2024; Saad et al., 2023; Werner et al., 2013). Formulating reliable and robust management strategies is imperative to alleviate the SWI issue.
Modeling the Effect of Rainfall Recharge on Denitrification in Intertidal Mixing Zones of Coastal Aquifers
1 Introduction Submarine groundwater discharge (SGD) is recognized as a significant pathway for terrestrially derived nitrogen delivery to coastal waters (Burnett et al., 2003; Kwon et al., 2014; Moore, 2010; Santos et al., 2021; Weinstein et al., 2011).
Chaotic behaviour, bifurcation, and stability analysis of the time-fractional phi-four model using the Hirota bilinear form
This study investigates the complex dynamics of the time-fractional Phi-four model, a nonlinear PDE that incorporates memory effects through fractional derivatives. To analyze this model, we employ the Hirota bilinear method to derive a variety of exact analytical solutions, including one-wave, two-wave, three-wave, and W-shaped soliton solutions, as well as lump-type solutions such as lumps, one-lump-one-stripe, and one-lump-one-soliton configurations.
Broadband Saturable Absorption Response of Metallic (Nb and Ta) Carbides for Photonic Devices
Conflict of Interest The authors declare no conflict of interest. Supporting Information Filename Description andp70019-sup-0001-SuppMat.docx5.7 MB Supporting Information References 1, , Chem. Rev. 2007, 107, 5082. 2, , , , , , , , , , , , , , , , , , , Nat. Photonics 2010, 4, 690. 3, , , , , , , , Laser Photonics Rev. 2015, 9, 363. 4, , , , , , , , Nature 2011, 474, 64. 5, , , , , , , , Adv. Funct. Mater. 2009, 19, 3077. 6, , , , , , , , , Optica 2016, 3, 541. 7, , , , Laser Phys. 2012, 22, 433.
Tunable nonlinear absorption properties of Ti3C2Tx MXene for all-optical bipolar modulation applications
The demand for ultrafast and multifunctional all-optical modulators based on two-dimensional nonlinear optical materials is continuously growing in the era of big data and artificial intelligence. Herein, we report the experimental realization of the first, to the best of our knowledge, all-optical bipolar modulator that is based on pump intensity-dependent nonlinear absorption of Ti3C2Tx MXene.
Engineering the third-order nonlinear optical absorption properties of two-dimensional layered materials
ACCEPTED MANUSCRIPT Engineering the third-order nonlinear optical absorption properties of two-dimensional layered materials Chunhui Lu1, Erkang Li2, Yanqing Ge1, Dan Wu1, Wen Dong1, Yijie Wang1, Lili Zhao3 and Xinlong Xu4 Accepted Manuscript online 20 November 2024 • © 2024 IOP Publishing Ltd. All rights, including for text and data mining, AI training, and similar technologies, are reserved.
Direct Z‐Scheme Heterostructure of Vertically Oriented SnS2 Nanosheet on BiVO4 Nanoflower for Self‐Powered Photodetectors and Water Splitting
Conflict of Interest The authors declare no conflict of interest. Supporting Information Filename Description smll202304839-sup-0001-SuppMat.pdf1.6 MB Supporting Information References 1, , , Adv. Funct. Mater. 2014, 24, 2591. 2, , , , , , , Adv. Opt. Mater. 2020, 8, 1900765. 3, , , , Small 2017, 13, 1701848. 4, , , , , , , , , Nanoscale 2022, 14, 14097. 5, , , , , , , , , ACS Appl. Mater. Interfaces 2022, 14, 15415. 6, , , , , , , , , , Small Methods 2023, 7, 2200966. 7, , , , , , , , , , Adv. Mater.
Coastal groundwater‐dependent ecosystems are falling through policy gaps
Coastal groundwater-dependent ecosystems (GDEs) are biodiversity hotspots that provide valuable ecosystem services to society. However, they face significant threat from groundwater exploitation and depletion, and climate change impacts from sea-level rise and extreme flood and drought events. Despite many well-intentioned policies focused on sustainable groundwater use, coastal GDEs are falling through policy gaps and as a result, are declining in their extent and ecological function.
Two-step approach based multi-objective groundwater remediation using enhanced random vector functional link integrated with evolutionary marine predator algorithm - PubMed
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Characterization of hypersaline zones in salt marshes
Salt marshes at the ocean–land interface are one of the most productive ecosystems worldwide, since they provide numerous eco-functions, e.g. maintaining coastal biodiversity (Adam 1990, Gopi et al 2019) and protecting inland area from the threat of sea level rise (Kirwan and Megonigal 2013, Fagherazzi et al 2020).
Rapid quantitative detection of chloramphenicol in three food products by lanthanide-labeled fluorescent-nanoparticle immunochromatographic strips
Rapid quantitative detection of chloramphenicol in three food products by lanthanide-labeled fluorescent-nanoparticle immunochromatographic strips A rapid and sensitive fluorescence-based immunochromatographic test (ICT) was successfully developed to determine chloramphenicol (CAP) levels in three food products. In this method, lanthanide fluorescent microspheres were used as a label to quantitatively detect CAP in food samples within 30 min, and the result was displayed on the test strip reader.
Dynamic Desalination of Intruding Seawater After Construction of Cut-Off Walls in a Coastal Unconfined Aquifer
Key points: ● The dynamic behavior of saltwater wedge after installing a cut-off wall is firstly revealed. ● The timescale of residual saltwater retreat ranges from several months to several years. ● A deeper cut-off wall may reduce the desalination effect and determination of optimal depth is required before practical work.
Coherent injection photocurrent in bismuth sulfide film induced by one-plus-two photon absorption quantum interference
Yuhang He, Yuxuan Chen, Chunhui Lu, Yifan Zhang, Zhen Tian, Xinlong Xu, and Jianming Dai Author Information Author Affiliations Yuhang He,1 Yuxuan Chen,1 Chunhui Lu,2 Yifan Zhang,1 Zhen Tian,1,3 Xinlong Xu,2,4 and Jianming Dai1,5 1Center for Terahertz Waves and School of Precision Instrument and Opto-electronics Engineering, Tianjin University, Tianjin 300072, China 2State Key Laboratory of Photoelectric Technology and Functional Materials, International Collaborative Center on Photoelectric...
Effects of episodic rainfall on a subterranean estuary
Numerical simulations were conducted to examine the effect of episodic rainfall on nearshore groundwater dynamics in a tidally-influenced unconfined coastal aquifer, with a focus on both long- (yearly) and short-term (daily) behavior of submarine groundwater discharge (SGD) and seawater intrusion (SWI). The results showed non-linear interactions among the processes driven by rainfall, tides and density-gradients.
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