Chenghao Wang

Chenghao Wang
Verified
Chenghao verified their affiliation via an institutional email.
Verified
Chenghao verified their affiliation via an institutional email.
  • Ph.D.
  • Professor (Assistant) at University of Oklahoma

About

100
Publications
31,012
Reads
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2,045
Citations
Introduction
Chenghao Wang is an Assistant Professor in the School of Meteorology and the Department of Geography and Environmental Sustainability at the University of Oklahoma. He is broadly interested in urban meteorology and urban climate and their impacts on energy consumption and public health.
Current institution
University of Oklahoma
Current position
  • Professor (Assistant)
Additional affiliations
January 2020 - August 2022
Stanford University
Position
  • Postdoctoral Research Fellow
January 2020 - September 2021
Stanford University
Position
  • Fellow
January 2018 - April 2018
Arizona State University
Position
  • Graduate Teaching Associate
Description
  • CEE 341 – Fluid Mechanics for Civil Engineers Course Instructor: Dr. Zhihua Wang (number of students: 91)
Education
August 2015 - December 2019
Arizona State University
Field of study
  • Boundary-Layer Meteorology, Atmospheric Turbulence, Urban Air Pollution, Urban Land Surface Processes, Urban Sustainability
August 2015 - May 2018
Arizona State University
Field of study
  • Boundary-Layer Meteorology, Atmospheric Turbulence, Urban Air Pollution, Urban Land Surface Processes, Urban Sustainability
November 2013 - December 2013
The Ohio State University
Field of study
  • Environmental Science

Publications

Publications (100)
Article
Urban trees are one of the most effective strategies to mitigate excessive heat stress in cities. To understand the underlying mechanisms of their cooling effect and to assess their use in urban planning, the accurate simulation of how trees interact with the ambient built environment is critical and imperative. However, the representation of urban...
Article
Urban heat island (UHI) effect poses great challenges to urban environmental quality, building energy consumption, and public health. Over decades, research efforts have been made to develop and evaluate different UHI mitigation strategies. Governments, organizations, and commercial companies have also been working to develop building codes, standa...
Article
Full-text available
In response to increasing life expectancies and urbanization, initiatives for age-friendly cities seek to facilitate active and healthy aging by strengthening supports and services for older people. While laudable, these efforts typically neglect early-life exposures that influence long-term well-being. With a focus on the urban physical environmen...
Article
Full-text available
Climate, technologies, and socio-economic changes will influence future building energy use in cities. However, current low-resolution regional and state-level analyses are insufficient to reliably assist city-level decision-making. Here we estimate mid-century hourly building energy consumption in 277 U.S. urban areas using a bottom-up approach. T...
Article
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Recent advances in urban climate modeling resolution have improved the representation of complex urban environments, with large‐eddy simulation (LES) as a key approach, capturing not only building effects but also urban vegetation and other critical urban processes. Coupling these ultrafine‐resolution (hectometric and finer) approaches with larger‐...
Article
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Forests significantly influence local temperature dynamics, although the specifics of their impacts and mechanisms exhibit global variability. This study investigates the cooling or warming effects of global forests from 2001 to 2021 using multi-satellite data. The results indicate that (1) boreal forests exhibit a significant warming effect of +1....
Article
Urban trees play a pivotal role in mitigating heat, yet the global determinants and patterns of their cooling efficiency (CE) remain elusive. Here we quantify the diel CE of 229 cities across four climatic zones and employ a machine-learning model to assess the influence of variables on CE. We found that for every 10% increase in tree cover, surfac...
Article
Full-text available
Methane (CH4) contributes significantly to global warming. However, accurate identification of CH4 sources for reducing CH4 emissions is often hampered by inadequate accuracy and spatiotemporal coverage of CH4 detection, and lack of accurate CH4 forward modeling used in top‐down inversion systems. In this study, a field experiment was conducted in...
Article
Accurate representation of urban areas in weather and climate models is crucial for simulating interactions between urban surfaces and the atmospheric boundary layer, especially in high-resolution regional models that resolve deep convection. However, many continental-scale simulations use simplified urban parameterizations, raising questions about...
Article
Full-text available
Reliable and continuous meteorological data are crucial for modeling the responses of energy systems and their components to weather and climate conditions, particularly in densely populated urban areas. However, existing long-term datasets often suffer from spatial and temporal gaps and inconsistencies, posing great challenges for detailed urban e...
Article
Full-text available
Urban planners and other stakeholders often view trees as the ultimate panacea for mitigating urban heat stress; however, their cooling efficacy varies globally and is influenced by three primary factors: tree traits, urban morphology, and climate conditions. This study analyzes 182 studies on the cooling effects of urban trees across 17 climates i...
Article
Full-text available
Seasonal snow in the extratropical Andes is a primary water source for major rivers supplying water for drinking, agriculture, and hydroelectric power in Central Chile. Here, we used estimates from the Moderate Resolution Imaging Spectroradiometer (MODIS) to analyze changes in snow cover extent over the period 2001–2022 in a total of 18 watersheds...
Article
Full-text available
Urban Land Surface Models (ULSMs) simulate energy and water exchanges between the urban surface and atmosphere. However, earlier systematic ULSM comparison projects assessed the energy balance but ignored the water balance, which is coupled to the energy balance. Here, we analyze the water balance representation in 19 ULSMs participating in the Urb...
Article
Full-text available
South America is experiencing severe impacts from climate change. Although the warming of the subcontinent closely follows the global path, the rise of temperatures has been more pronounced in some regions, which have also seen a parallel increment in the occurrence of droughts and weather conditions associated with enhanced fire risk. Here, we use...
Article
Full-text available
Eulerian and Lagrangian numerical moisture tracking models, which are primarily used to quantify moisture contributions from global sources to specific regions, play a crucial role in hydrology and (paleo)climatology studies on the Tibetan Plateau (TP). Despite their widespread applications in the TP region, potential discrepancies in their moistur...
Article
Land surface temperature (LST) derived from satellite observations and weather modeling has been widely used for investigating Earth surface-atmosphere energy exchange and radiation budget. However, satellite-derived LST has a trade-off between spatial and temporal resolutions and missing observations caused by clouds, while there are limitations s...
Article
Substantial nutrient inputs from reservoir impoundment typically increase sedimentation rate and primary production. This can greatly enhance methane (CH4) production, making reservoirs potentially significant sources of atmospheric CH4. Consequently, elucidating CH4 emissions from reservoirs is crucial for assessing their role in the global methan...
Article
Benzene as one type of hazardous air pollutants (HAPs) is produced by industrial production processes and/or emitted during upset events caused by man-made or natural accidents. Although upset emissions of benzene can be a significant contributor to the total emission, it is still challenging to quantify. This study first develops a fast modeling f...
Article
Full-text available
Global climate changes, especially the rise of global mean temperature due to the increased carbon dioxide (CO2) concentration, can, in turn, result in higher anthropogenic and biogenic greenhouse gas emissions. This potentially leads to a positive loop of climate–carbon feedback in the Earth’s climate system, which calls for sustainable environmen...
Article
Full-text available
Previous studies on the cooling of urban vegetation mainly focused on its transpiration or shading effect separately, neglecting to explore the combined evapotranspiration-shading cooling. Further, accurate quantification of evapotranspiration-shading cooling remains challenging due to heterogeneity of urban landscapes, which limits understanding o...
Article
Full-text available
Global climate change has been shown to cause longer, more intense, and frequent heatwaves, of which anthropogenic stressors concentrated in urban areas are a critical contributor. In this study, we investigate the causal interactions during heatwaves across 520 urban sites in the U.S. combining complex network and causal analysis. The presence of...
Preprint
Urban Land Surface Models (ULSMs) simulate energy and water exchanges between the urban surface and atmosphere. When part of numerical weather prediction, ULSMs provide a lower boundary for the atmosphere and improve the applicability of model results in the urban environment compared with non-urban land surface models. However, earlier systematic...
Preprint
Full-text available
Beyond traditional meteorological and (paleo)climatological analyses, numerical moisture tracking provides a quantitative diagnosis of moisture sources to the Tibetan Plateau (TP). While existing studies predominantly employ either the Eulerian or Lagrangian method, the potential differences in their simulations and the underlying causes of these d...
Preprint
Rapid increases in heat exposure in urban areas, fueled by both climate change and urban heat islands (UHI), are manifesting as a pressing concern. Planting and conserving urban trees is one of the pivotal strategies in mitigating outdoor heat and optimizing thermal comfort. We present an integrated review and meta-analysis of 131 studies conducted...
Preprint
Full-text available
Rapid increases in heat exposure in urban areas, fueled by both climate change and urban heat islands (UHI), are manifesting as a pressing concern. Planting and conserving urban trees is one of the pivotal strategies in mitigating outdoor heat and optimizing thermal comfort. We present an integrated review and meta-analysis of 131 studies conducted...
Preprint
Full-text available
Rapid increases in heat exposure in urban areas, fueled by both climate change and urban heat islands (UHI), are manifesting as a pressing concern. Planting and conserving urban trees is one of the pivotal strategies in mitigating outdoor heat and optimizing thermal comfort. We present an integrated review and meta-analysis of 131 studies conducted...
Article
Full-text available
A string of fierce fires broke out in Chile in the austral summer 2023, just six years after the record-breaking 2017 fire season. Favored by extreme weather conditions, fire activity has dramatically risen in recent years in this Andean country. A total of 1.7 million ha. burned during the last decade, tripling figures of the prior decade. Six of...
Article
Full-text available
The production of waste as a consequence of human activities is one of the most fundamental challenges facing our society and global ecological systems. Waste generation is rapidly increasing, with corresponding shifts in the structure of our societies, where almost all nations are moving from rural agrarian societies to urban and technological one...
Article
Full-text available
Estuaries play an important role in the global nitrous oxide budget. However, considerable uncertainties exist in estimating their nitrous oxide emissions, largely due to anthropogenic impacts, particularly wastewater discharge. Here we investigate nitrous oxide emission dynamics in the Pearl River Estuary through advanced high-resolution, real-tim...
Article
Full-text available
Accurately predicting weather and climate in cities is critical for safeguarding human health and strengthening urban resilience. Multimodel evaluations can lead to model improvements; however, there have been no major intercomparisons of urban‐focussed land surface models in over a decade. Here, in Phase 1 of the Urban‐PLUMBER project, we evaluate...
Preprint
Full-text available
This study analyzes heat waves (HWs), air pollution (AP) episodes, and compound HW and AP events (CE) in the urban environment and provides a comparison between events in urban areas (UAs) and rural areas (RAs). A 1-km gridded daily minimum temperature dataset and a 1-km gridded daily PM2.5 concentration dataset were used along with geospatial data...
Article
Full-text available
Cities in the global south face dire climate impacts. It is in socioeconomically marginalized urban communities of the global south that the effects of climate change are felt most deeply. Santiago de Chile, a major mid-latitude Andean city of 7.7 million inhabitants, is already undergoing the so-called “climate penalty” as rising temperatures wors...
Article
Full-text available
Plain Language Summary Successful detection of causality in complex systems is important to unraveling the underlying mechanisms of system dynamics. The dynamic interactions in Earth's climate system are often nonlinear, weakly or moderately coupled, and essentially non‐separable, which renders conventional approaches of causal inference, such as s...
Article
Full-text available
Evaporation from global oceans is an important moisture source for glaciers and headwaters of major Asian rivers in the Tibetan Plateau (TP). Although the accelerated global hydrological cycle, the altered sea–land thermal contrast and the amplified warming rate over the TP during the past several decades are known to have profound effects on the r...
Article
The quantification of cross-regional interactions for the atmospheric transport processes is of crucial importance to improve the predictive capacity of climatic and environmental system modeling. The dynamic interactions in these complex systems are often nonlinear and non-separable, making conventional approaches of causal inference, such as stat...
Article
Assessing the dynamics of vegetation and its response to environmental changes is essential to understanding ecosystem changes and the sustainable use of natural resources. In this study, we investigated the impacts of climate change and human activities on vegetation growth in the Hanjiang River Basin. We classified the basin into the portion main...
Article
Full-text available
Urban overheating aggravated by climate change and rapid urbanization poses a severe threat to thermal health of urban residents. To more realistically represent street-level heat stress, we propose a new urban climate-human coupling system by integrating an advanced urban canopy model (UCM) with a new human-environment adaptive thermal stress (HEA...
Preprint
Full-text available
The production of waste as a consequence of human activities is one of the most fundamental challenges facing our society and global ecological systems. Waste generation is rapidly increasing, with corresponding shifts in the structure of our societies where almost all nations are moving from rural agrarian societies to urban and technological ones...
Preprint
Full-text available
Reducing methane emissions is essential for mitigating global warming. To attribute methane emissions to their sources, a comprehensive dataset of methane source infrastructure is necessary. Recent advancements with deep learning on remotely sensed imagery have the potential to identify the locations and characteristics of methane sources, but ther...
Article
Full-text available
The replacement of natural lands with urban structures has multiple environmental consequences , yet little is known about the magnitude and extent of albedo-induced warming contributions from urbanization at the global scale in the past and future. Here, we apply an empirical approach to quantify the climate effects of past urbanization and future...
Article
Full-text available
As the number of older adults increases, disproportionate impacts of climate change pose great challenges to healthy longevity. These inequities will be compounded in future generations. Large-scale climate change mitigation and adaptation strategies require often unavailable institutional, financial, and technical support. We need to quickly devel...
Preprint
Full-text available
Evaporation from global oceans is an important moisture source of glaciers and headwaters of major Asia rivers in the Tibetan Plateau (TP). Although recent accelerated global hydrological cycle, altered sea-land thermal contrast, and amplified warming rate over the TP are known to have profound effects on the regional water balance, the contributio...
Article
Full-text available
One critical challenge of studying Earth's hydroclimate system, in the face of global environmental changes, is to predict whether the system approaches a critical threshold. Here, we identified the critical transitions of hydrological processes, including precipitation and potential evapotranspiration, by analyzing their early-warning signals and...
Article
Full-text available
Increased wealth and per capita energy use have transformed lives and shaped societies, but energy poverty remains a global challenge. Previous research has shown positive relationships among metrics of health and happiness and economic indices such as income and gross domestic product and between energy use and human development. To our knowledge,...
Article
Full-text available
The Andes span more than 7,000 km along western South America and its snowpack is an important source of water for many communities. As other snow-covered regions around the world, the Andes are sensitive to Black Carbon (BC) deposition from fossil fuel and biomass combustion. BC darkens the snow surface, reduces the albedo, and accelerates melting...
Article
Full-text available
Black carbon (BC) from fossil fuel and biomass combustion darkens the snow and makes it melt sooner. The BC footprint of research activities and tourism in Antarctica has likely increased as human presence in the continent has surged in recent decades. Here, we report on measurements of the BC concentration in snow samples from 28 sites across a tr...
Article
Full-text available
Reliable simulations of historical and future climate are critical to assessing ecological and hydrological responses over the Third Pole region (TP; the area including the Himalaya–Hindu Kush mountain range and the Tibetan Plateau). In this study, we evaluate the historical and future temperature and precipitation simulations of 18 models from pha...
Article
Methane (CH4) emissions from freshwater aquatic systems such as rivers and reservoirs are an important component of the global methane budget. However, the estimation can be largely affected by the spatial and temporal resolutions of measurements. Especially, the lack of high-resolution studies in the Three Gorges Reservoir (TGR), one of the larges...
Article
Full-text available
Surface albedo is an important forcing parameter that drives the radiative energy budget as it determines the fraction of the downwelling solar irradiance that the surface reflects. Here we report on ground-based measurements of the spectral albedo (350–2200 nm) carried out at 20 sites across a North–South transect of approximately 1300 km in the A...
Article
Full-text available
Precipitation changes in the Three Gorges Reservoir Region (TGRR) play a critical role in the operation and regulation of the Three Gorges Dam (TGD) and the protection of residents and properties. The potential impacts of the TGD on local and regional circulation patterns, especially the precipitation patterns, have received considerable attention...
Technical Report
Full-text available
Global urbanization amidst climate and environmental change poses numerous challenges to the healthy aging of populations. To better support century-long lives in an aging society, substantial changes in various aspects of the current world, especially in the domain of Environment and Climate, are imperative. In this report, we focus on two key asp...
Article
Full-text available
The synergistic effect of urban heat island (UHI) and urban moisture island (UMI) aggravates the heat stress during hot summers. To investigate the mechanisms of UHI and UMI, we developed an advanced urban canopy model with more robust predictability of the urban surface heat and moisture budgets by considering dynamic building-tree-air interaction...
Article
Urban climate research has surged in the past decades due to its unique position in addressing the concomitant issues of the rapid global urbanization and emergent climate changes. Nevertheless, there is still a lack of holistic and system-based toolkit for investigating complex dynamics of urban climate systems, especially those of hydroclimate ex...
Preprint
Full-text available
In this study, we identified the critical transitions of hydrological processes including precipitation and potential evapotranspiration by analysing their early-warning signals and system-based network structures. The statistical early-warning signals are manifest in increasing trends of autocorrelation and variance in the hydrology system ranging...
Article
Sustainable development of cities and communities under climate change calls for effective and pragmatic strategies to mitigate urban heat island (UHI) during hot seasons. Meanwhile, the effectiveness of UHI mitigation measures can be affected by public perceptions during planning and implementation processes. However, the general perceptions of UH...
Preprint
Full-text available
Precipitation change in the Three Gorges Reservoir Region (TGRR) plays a critical role in the operation and regulation of the Three Gorges Dam (TGD) as well as the protection of residents and properties. The potential impacts of the TGD on local and regional circulation patterns, especially the precipitation patterns, have received considerable att...
Technical Report
Full-text available
Continuous urbanization due to growing population has given rise to the urban heat island (UHI) effect, a phenomenon that urban areas usually have higher temperature when compared to their surrounding rural environment. The higher temperature in cities also significantly affects energy use, air quality, residential water use, and greenhouse gas emi...
Conference Paper
Full-text available
Natural vegetation in arid and semi-arid environments is usually water-limited, while the urbanization process alters its phenology through anthropogenic activities such as irrigation and fertilization. In particular, urban irrigation has also been used as one of the strategies to alleviate heat stress during hot seasons. In this study, we aim to e...
Article
Full-text available
As one of the most sensitive areas to climate change, drylands cover ~40% of the Earth's terrestrial land surface and host more than 38% of the global population. Meanwhile, their response to climate change and variability carries large uncertainties as induced by background climate, topography, and land cover composition; but there is a lack of in...
Article
Cities are the hotspots of global human–environment interactions, and their sustainable development requires proactive strategies to mitigate and adapt to emergent environmental issues. Nevertheless, most of the existing studies and strategies are based on specific (and often singular) environmental processes, and their efficacy is largely undermin...
Article
Model evaluation is a critical component in the development and applications of environmental modeling systems. Conventional metrics such as Pearson product-moment correlation coefficient (r), root-mean-square error (RMSE), and mean absolute error (MAE), albeit process-based and limited to point-to-point statistical comparison, have been widely use...
Article
Full-text available
Plain Language Summary Critical transitions have been identified in global and regional climate systems, during which a small perturbation can lead to a qualitative change. They are notoriously difficult to predict and can have potential catastrophic impacts on ecosystems and human society. However, certain characteristics may exist prior to such t...
Article
Full-text available
Exposure to extreme temperatures is one primary cause of weather-related human mortality and morbidity. Global climate change raises the concern of public health under future extreme events, yet spatiotemporal population dynamics have been long overlooked in health risk assessments. Here, we show that the diurnal intra-urban movement alters residen...
Article
Our world has been continuously urbanized and is currently accommodating more than half of the human population. Despite that cities cover only <3% of the Earth's land surface area, they emerged as focal points of human activities, and confront numerous environmental challenges as a result of changes in landscapes, hydroclimate, ecosystems, and bio...
Article
The use of shade trees is among favorable urban planning strategies to improve outdoor thermal comfort and promote energy efficiency. Meanwhile, the presence of trees alters flow patterns and turbulent transport and influences the dispersion of air pollutants. In this study, we investigated the effects of urban trees on air pollutant dispersion in...
Article
Full-text available
Exacerbated heat stress has resulted in a series of environmental issues in urban areas. Mounting empirical evidence shows that urban trees are effective in mitigating the thermal stress in the built environment, whereas large‐scale numerical simulations remain scarce. In this study, the effects of shade trees on the built environment, in terms of...
Article
Full-text available
Built terrains, with their complexity in morphology, high heterogeneity, and anthropogenic impact, impose substantial challenges in Earth-system modelling. In particular, estimation of the source areas and footprints of atmospheric measurements in cities requires realistic representation of the landscape characteristics and flow physics in urban ar...
Article
Full-text available
The rapid urbanization and associated landscape changes strongly modulate heat and moisture transfer processes on the urban surface as well as in the planetary boundary layer (PBL) via urban land-atmosphere interactions. In this study, we employed the mesoscale Weather Research and Forecasting (WRF) model with realistic urban dynamics to assess the...
Article
Elevated concentration of atmospheric aerosols during severe urban air pollution episodes necessitates a deep understanding of the underlying determinants for a sustainable urban environment. The 15-year (2001–2015) Moderate Resolution Imaging Spectroradiometer (MODIS) aerosol optical depth (AOD) data for the Phoenix and Los Angeles Metropolitan Ar...
Article
Urban development is characterized by drastic land use and land cover changes, rooted in urban population growth, with concomitant anthropogenic stressors contributing to global climate changes. While there is extensive literature on predicting future urban climate using biogeophysical models, the link between emergent meteorological patterns and t...
Article
Full-text available
Urban environment contributes significantly to the global carbon cycle with complex governing mechanisms due to the combined biospheric and anthropogenic contributors. In this study, we analyzed the patterns of boundary-layer CO2 flux and concentration for a residential neighborhood in Phoenix, Arizona using the eddy covariance technique and a sing...
Article
Full-text available
Urban environmental measurements and observational statistics should reflect the properties generated over an adjacent area of adequate length where homogeneity is usually assumed. The determination of this characteristic source area that gives sufficient representation of the horizontal coverage of a sensing instrument or the fetch of transported...
Article
Aquatic systems are sources of greenhouse gases on different scales, however the uncertainty of gas fluxes estimated using popular methods are not well defined. Here we show that greenhouse gas fluxes across the air-water interface of seas and inland waters are significantly underestimated by the currently used static floating chamber (SFC) method....
Article
Full-text available
Two diel field campaigns under different weather patterns were carried out in the summer and autumn of 2013 to measure CO 2 and CH 4 fluxes and to probe the rates of gas exchange across the airÁwater interface in a subtropical eutrophic pond in China. Bubble emissions of CH 4 accounted for 99.7 and 91.67% of the total CH 4 emission measured at two...
Article
Full-text available
For the first time we report on real time diel bubble and diffusion gas fluxes lasting for 48 hours of a subtropical shallow pond. The averaged diffusion fluxes of methane and carbon dioxide were 0.074 and 62.70 mg•m-2•h-1, and the averaged ebullition fluxes of methane and carbon dioxide were 24.726 and 1.92 mg•m-2•h-1 respectively. Bubble emission...
Patent
Full-text available
The utility model discloses an air sample and inhalable particle sampler which comprises an air inlet pipe, wherein the air inlet pipe is sequentially connected with an air inlet of an aspirator pump and an air inlet of an air inlet converter; two air outlets of the air inlet converter are respectively connected with an air sample collecting contai...
Patent
Full-text available
The utility model relates to an automatic flood diversion and aerating system for urban landscape river channels. The automatic flood diversion and aerating system comprises the lower river channel, a water inlet of the lower river channel is formed below a water inlet of the upper river channel, at least two flood diversion river channels are form...
Conference Paper
With the development of economy, waterway transportation has become the main transportation means in the process of international trade and domestic trade. When it comes to sustainable development, waterway transportation plays an important role in promoting the development of the national economy. Based on the sustainable development theory, its c...
Patent
Full-text available
Disclosed is a solar screened water bloom eliminating boat which comprises a boat body. The boat body is of a hollow and front-back through structure, and at least one screen is arranged in the boat body. Due to the structure, water bloom enters the inside of the boat body from the front of the same and then passes the screens to be effectively eli...
Patent
Full-text available
The utility model discloses a flood discharging electricity generating energy dissipation hydropower station comprising a flood discharging electricity generating energy dissipation system, a water diversion type common power generation system, a common spillway and a non-common spillway. The flood discharging electricity generating energy dissipat...
Patent
Full-text available
A spillway impulse water turbine comprises a spillway, a turning wheel is disposed on the lower part of the spillway and penetrates between guide walls at the two sides of the spillway through a main shaft, and a main shaft end portion disposed at one side of the spillway is connected with a hydroelectric generator while a main shaft end portion di...
Article
Full-text available
Indoor simulation experiment was carried out to evaluate the formation and consumption rates of methane (CH4) in Xiangxi Bay of the Three Gorges Reservoir (TGR), China. The results show that both the CH4 formation and consumption rates were significantly positively correlated with temperature. CH4 efflux decreased with rising temperature due to its...
Data
Indoor simulation experiment was carried out to evaluate the formation and consumption rates of methane (CH4) in Xiangxi Bay of the Three Gorges Reservoir (TGR), China. The results show that both the CH4 formation and consumption rates were significantly positively correlated with temperature. CH4 efflux decreased with rising temperature due to its...
Patent
Full-text available
he utility model provides an anti-blocking catch basin lid. The anti-blocking catch basin lid comprises a cylindrical shell. A filter box is installed in the cylindrical shell. A catch basin lid body is arranged on the top of the cylindrical shell. The cylindrical shell and the bottom of the filter box are respectively provided with drain holes. A...
Patent
Full-text available
The utility model provides a water stopper for a gas inlet system of a gas analyzer. The water stopper comprises a water storage device, wherein one side and the top of the water storage device are communicated with a gas inlet pipe and a gas outlet pipe respectively; a water outlet valve is arranged at a water outlet at the bottom of the water sto...
Patent
Full-text available
A flood discharge and power generation energy dissipation hydropower station comprises a flood discharge and power generation energy dissipation system, a diversion type conventional power generation system, a conventional spillway and unconventional spillways. The flood discharge and power generation energy dissipation system is arranged inside th...
Article
Full-text available
Aqueduct is a conveyance structure which can across the channel, depressions, roads and railways and its conveyance water system is mainly composed of bridges, tunnels or ditch. Aqueduct is widely used in hydraulic engineering, and plays a role in irrigation ,water delivery , drainage and desilting. A large aqueduct can also be used for navigation....
Patent
Full-text available
A multifunctional field environment factor collection work box comprises a sun shading box, at least two placement grooves arranged in the sun shading box, a square clamping slot and a support frame arranged on the top of the sun shading box, and data line holes arranged on the back of the placement grooves. By adopting the above structure, the var...
Article
Full-text available
According to the characteristics and main task of the Geheyan hydropower station reservoir in the Qingjiang River, the problem of how to use reservoir storage capacity to cope with the contradictions between the flood control and power generation, reliability and economy of hydropower station, the supply and demand of power when runoff cannot be ac...

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