Qi Wei

ORCID: 0000-0003-1070-3175
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About
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Research Areas
  • Soil Carbon and Nitrogen Dynamics
  • Soil and Unsaturated Flow
  • Hydrology and Watershed Management Studies
  • Heavy metals in environment
  • Environmental and Agricultural Sciences
  • Climate variability and models
  • Groundwater and Isotope Geochemistry
  • Irrigation Practices and Water Management
  • Wastewater Treatment and Reuse
  • Groundwater flow and contamination studies
  • Wastewater Treatment and Nitrogen Removal
  • Soil and Water Nutrient Dynamics
  • Urban Heat Island Mitigation
  • Remote Sensing and Land Use
  • Environmental Changes in China
  • Constructed Wetlands for Wastewater Treatment
  • High-Velocity Impact and Material Behavior
  • Landfill Environmental Impact Studies
  • Plant Water Relations and Carbon Dynamics
  • Hydrology and Drought Analysis
  • Environmental Quality and Pollution
  • Plant Ecology and Soil Science
  • Urban Green Space and Health
  • Isotope Analysis in Ecology
  • Rice Cultivation and Yield Improvement

Hohai University
2015-2024

Southern University of Science and Technology
2024

Dalian Naval Academy
2023

Communication University of Zhejiang
2023

Shandong Agricultural University
2006-2022

Guangxi University
2022

State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering
2017-2020

Tianjin Normal University
2015-2016

Northwestern Polytechnical University
2011-2016

Kanto Gakuin University
2004

Abstract Global hydrological models (GHMs) are widely used to assess the impact of climate change on streamflow, floods, and droughts. For ‘model evaluation attribution’ part current round Inter-Sectoral Impact Model Intercomparison Project (ISIMIP3a), modelling teams generated historical simulations based observed direct human forcings with updated model versions. Here we provide a comprehensive daily maximum annual discharge ISIMIP3a from nine GHMs by comparing observational data 644 river...

10.1088/1748-9326/ad52b0 article EN cc-by Environmental Research Letters 2024-05-31

Trends in annual precipitation and river discharge (1956–2012) were analyzed using the Mann–Kendall test Sen's method to evaluate impact of climate variation human activities on Haihe River Bohai Bay. Compared observations before 1965, two obvious decreases occurred after 1965 1980. Considering 1956–1965 as baseline period, it was established that reduction Sea 52.9% 81.9% during 1966–1980 1981–2012, respectively. reductions 1981–2012 7.1% 14.2%, Following increase population, industrial...

10.2166/nh.2016.142 article EN Hydrology Research 2016-07-29

Rainfall occurs frequently in South China and results recurring of drainage/discharge nitrogen phosphorus-rich water from paddy fields, which may cause serious non-point source pollution receiving waters such as rivers. Moreover, time intervals between individual rainfall events are short (often only several days). Thus, not is the treatment discharge needed, but a more rapid form desired well. On basis literature, constructed wetlands could remove phosphorous field drainage/outflow,...

10.3390/w12092443 article EN Water 2020-08-31

Abstract The effect of the interplay between unsteady flow and bedform in a flood event on nitrogen cycling hyporheic zone (HZ) remains poorly understood. In this study, reactive transport groundwater model with different hydrographs was proposed to investigate modified nitrate dynamics HZ, including source‐sink function, response single‐peak removal efficiency. results demonstrate that there exists an optimal range river channel gradients could enhance biogeochemical reactions (respiration,...

10.1002/hyp.14041 article EN Hydrological Processes 2021-01-15

The trend of wetting or drying is an important metric regional and global climate change. Based on daily meteorological data during 1951–2018 from 10 stations in arid regions North China, the performances two indicators, relative humidity (RH) actual water vapour pressure (ea), evaluating trends air humidification are investigated. Results show that annual RH decreases by 0–0.10% yr−1 past decades almost all (90%) stations, whereas ea presents increasing 40% decreasing other 60% stations....

10.1016/j.ecolind.2020.107043 article EN cc-by-nc-nd Ecological Indicators 2020-11-05

Irrigation using marginal quality water (brackish, saline, or treated wastewater, with a salinity of 2–8 g L−1) instead fresh alters the soil carbon and nitrogen cycle, thus, greenhouse gas emissions. To reveal responses nitrous oxide (N2O) dioxide (CO2) emissions their global warming potentials (GWPs) to irrigation salinity, pot experiment was conducted at three levels (2, 5, 8 L−1, namely S2, S5, S8). The results show that cumulative CO2 were reduced increases in 11.6–28.1% lower than...

10.3390/atmos13111777 article EN cc-by Atmosphere 2022-10-28

To reveal the effect of irrigation salinity on soil nitrous oxide (N2O) emission, pot experiments were designed with three levels (NaCl and CaCl2 1, 2.5 4 g/L equivalence, Ec = 3.6, 8.1 12.7 ds/m), either for 0 kg N/ha (N0) or 120 (N120) nitrogen inputs. N2O emissions from soils irrigated at different varied in a similar pattern which was triggered by moisture dynamics. Yet, magnitudes pulse fluxes significantly varied, peak flux 5 level being much higher than 2 8 g/L. Compared to fresh...

10.3390/ijerph15102114 article EN International Journal of Environmental Research and Public Health 2018-09-26

This study aimed to assess the relationship between landscape patterns and non-point source (NPS) pollution distribution in Qixia County, China. The sub-basin classification was conducted based on a digital elevation model Landsat8 satellite images. Water samples were collected from each sub-basin, andtheir water quality during wet dry seasons estimated. correlation indices indicators determined by Pearson analysis. location-weighted contrast index (LWLCI) calculated "source-sink" theory....

10.3390/ijerph182111032 article EN International Journal of Environmental Research and Public Health 2021-10-20
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