Zhengzheng Zhou

Zhengzheng Zhou
Tongji University · Department of Hydraulic Engineering

Doctor of Philosophy

About

22
Publications
11,538
Reads
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197
Citations
Citations since 2017
16 Research Items
186 Citations
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Introduction
Zhengzheng Zhou currently works at the Department of Hydraulic Engineering, Tongji University. The research focuses on urban hydrology including urban flood and extreme rainfall.
Additional affiliations
September 2019 - July 2020
Tongji University
Position
  • Professor (Assistant)
Description
  • urban hydrology
September 2017 - September 2019
Tongji University
Position
  • PostDoc Position
September 2015 - September 2017
Princeton University
Position
  • Research Assistant
Education
September 2014 - February 2015
University School for Advanced Studies IUSS Pavia
Field of study
  • Coastal-Marine Integrated Management

Publications

Publications (22)
Article
Full-text available
Following the huge economic losses and building damage caused by yearly flooding in China, increased attention to flood risk management within the urban and suburban areas is required. This paper provides an example of the flood risk management of suburban buildings in Anji County. The temporal and spatial characteristics of inundation in the study...
Article
Full-text available
Extreme rainfall is a critical “agent” driving flash floods in urban areas. In rainfall frequency analysis (RFA), however, storms are usually assumed to be uniform in space and fixed in time. Spatially and temporally uniform design storms and area reduction factors are oftentimes used in conjunction with RFA results in engineering practice for infr...
Conference Paper
Full-text available
The rainfall simulation in General Circulation Models (GCMs) is crucial in hydrological applications. In this study, the accuracy of rainfall from 15 GCMs in CMIP6 is evaluated over the Yangtze Delta. The results demonstrate that these GCMs can reproduce the seasonal cycle. However, summer rainfall is underestimated by 70% GCMs, and the increasing...
Article
Full-text available
In southwest China, flash floods occur frequently and often cause severe damage to residential building areas, especially in mountainous rural settlements. Risk assessment is crucial in the hazard mitigation policies and measures. However, the study on the quantitative assessment of flash flood risk for buildings is still less explored. In this stu...
Article
Full-text available
基于上海市徐汇站、宝山站1961年~2019年实测降雨数据,主要采用Mann—Kendall检验和小波分析的方法,对年最大1日降雨序列、年最大5日降雨序列的时程变化和多时间尺度变化规律进行分析。结果表明,城镇化使极值降雨量级增大,城郊极值降雨量变化趋势存在差异。城镇化对最大1日降雨的影响显著高于最大5日降雨,且影响主要表现在长尺度周期。研究所得结论可以为城镇化背景下极值降雨的时程规律研究提供参考,助力长江三角洲区域一体化建设。
Article
Full-text available
The prediction of monthly rainfall is greatly beneficial for water resources management and flood control projects. Machine learning (ML) techniques, as an increasingly popular approach, have been applied in diverse climatic regions, showing their respective superiority. On top of that, the ensemble learning model that synthesizes the advantages of...
Article
Full-text available
Rainfall prediction is of vital importance in water resources management. Accurate long-term rainfall prediction remains an open and challenging problem. Machine learning techniques, as an increasingly popular approach, provide an attractive alternative to traditional methods. The main objective of this study was to improve the prediction accuracy...
Article
Full-text available
The role of rainfall space-time structure, as well as its complex interactions with land surface properties, in flood response remains an open research issue. This study contributes to this understanding, specifically for small (< 15 km 2) urban watersheds. Using a flood frequency analysis framework that combines stochastic storm transposition (SST...
Preprint
Full-text available
The role of rainfall space-time structure, as well as its complex interactions with land surface properties, in flood response remains an open research issue. This study contributes to this understanding, specifically in small ( 100 years) rainfall return periods. The impact of impervious area on flood response decreases with increasing rainfall re...
Article
Full-text available
Given the fact that researchers require more specific spatial rainfall information for storm flood calculation, hydrological risk assessment, and water budget estimates, there is a growing need to analyze the spatial heterogeneity of rainfall accurately. This paper provides insight into rainfall spatial heterogeneity in urban areas based on statist...
Article
Full-text available
The existence of persistence contaminates the results of the Mann-Kendall (MK) trend test. This paper proposes an improved MK test for hydrological data with both positive and negative persistence. To this end, the variance and distribution patterns of S were modified under the scaling hypothesis. Different estimators of the scaling coefficient wer...
Article
Full-text available
http://kns.cnki.net/kcms/detail/32.1309.p.20200519.1048.006.html.
Article
Full-text available
Urban development, topographic relief, and coastal boundaries can all exert influences on storm hydroclimatology, making rainfall and flood frequency analysis a major challenge. This study explores heterogeneity in extreme rainfall in the Baltimore Metropolitan region at small spatial scales using hydrometeorological analyses of major storm events...
Article
Full-text available
The impact of spatial and temporal variability of rainfall on hydrological response remains poorly understood, in particular in urban catchments due to their strong variability in land use, a high degree of imperviousness and the presence of stormwater infrastructure. In this study, we analyze the effect of storm scale, position and movement in rel...
Article
Full-text available
We examine urban flood response through data-driven analyses for a diverse sample of “small” watersheds (basin scale ranging from 7.0 to 111.1 km2) in the Charlotte Metropolitan region. These watersheds have experienced extensive urbanization and suburban development since the 1960s. The objective of this study is to develop a broad characterizatio...
Article
Full-text available
The impact of spatial and temporal variability of rainfall on hydrological response remains poorly understood, in particular in urban catchments due to their high variability in land-use, high degree of imperviousness and the presence of stormwater infrastructure. In this study, we analyse the effect of rainfall spatial distribution with respect to...
Article
Full-text available
China has suffered from increasingly severe flood events in recent years, most of which are caused by heavy rains. The substantial casualties and damage caused by flooding necessitates a better understanding of precipitation extremes, especially in heavily populated urban areas. Based on L-moments from a regional perspective, this paper analyzes pr...
Article
Full-text available
Shanghai is the economic center of China, but is vulnerable to threats from natural hazards. Along with climate change and fast urbanization, flood is the inevitable deterrent to the city's development. Flood hazard mitigation is considered as a critical work for the city government to ensure safety, maintain sustainable development, and reduce dam...
Article
Full-text available
Rainfall induced flooding is one of the most severe natural disasters in coastal regions. In recent years, along with global warming and sea level rising, extreme hydrological events, such as extreme precipitation, are of high occurrence. Meanwhile, rapid urbanization makes the urban environment transformed dramatically and results in additional fl...
Conference Paper
Full-text available
Taihu Basin is the most developed basin in China, so regional precipitation analysis, as the basic study for hydrodynamics, has been carried out. And Based on regional L-moments approach, the identification of homogeneous regions will influence the accuracy of precipitation estimates, so in this study, intersite dependence, which helps to improve t...
Conference Paper
Full-text available
Shanghai, located along the sides of the Huangpu River, is the economic center of China. However, as rainstorms, typhoons and upstream floods strike the city frequently, Shanghai is faced with a high risk of flooding disaster. Therefore, the aim to ensure economic sustainable development and residents' safety, flood control and disaster mitigation...
Article
Taihu Basin is the most developed basin in China, so regional precipitation analysis, as the basic study for hydrodynamics, has been carried out. And Based on regional L-moments approach, the identification of homogeneous regions will influence the accuracy of precipitation estimates, so in this study, intersite dependence, which helps to improve t...

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Projects

Project (1)
Project
Focus on the extreme rainfalls in urban watersheds. Explore the spatial-temporal rainfall variability. Improve the understanding of interaction between flood response and rainfall variability.