Principles of Flood Management
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The Characteristics of Ammonia Nitrogen in the Xiang River in Changsha, China
E3S Web of Conferences 233, 01134 (2021) https://doi.org/10.1051/e3sconf/202123301134 IAECST 2020 The characteristics of ammonia nitrogen in the Xiang River in Changsha, China Qinghuan Zhang1, Wei Hu2, Guoxian Huang1,a, Zhengze Lv1,3, Fuzhen Liu2 1Chinese Research Academy of Environmental Sciences, 100012 Beijing, China 2Changsha Uranium Geology Research Institute, CNNC, 410007 Changsha, China 3School of River and Ocean Engineering, Chongqing Jiaotong University, 400074 Chongqing, China Abstract. Changsha is a highly industrialized city in Hunan Province, China, where the water quality is of great importance to the development of economy and environment in this area. We have analyzed the characteristics of ammonia nitrogen in the Xiang River in Changsha from 2016 to 2019. The results showed that in the main stem, concentrations of ammonia nitrogen were very low and reached the third water quality level. In the six tributaries, concentrations of ammonia nitrogen have increased, especially in Longwanggang and Liuyang River, where the latter of which has a large number of industries and domestic sewage. Correlations between monthly precipitation and ammonia nitrogen concentrations were negative, besides two sites Jinjiang and Juzizhou, indicating that in most rivers, ammonia nitrogen contents had been diluted by rainfall. In general, concentrations and fluxes of ammonia nitrogen have decreased significantly during this time period, suggesting that water environment has improved greatly under the series of the clean motions by the local government. 1 Introduction nitrogen in streamflow and to identify the potential pollution in the Xiang River basin in Changsha. Changsha city, which is located in Hunan province, includes both rural and highly industrialized urban areas. -
Biological Consequences of Environmental Pollution in Running Water Ecosystems: a Case Study in Zooplankton*
Environmental Pollution 252 (2019) 1483e1490 Contents lists available at ScienceDirect Environmental Pollution journal homepage: www.elsevier.com/locate/envpol Biological consequences of environmental pollution in running water ecosystems: A case study in zooplankton* * Wei Xiong a, Ping Ni a, b, Yiyong Chen a, b, Yangchun Gao a, b, Shiguo Li a, b, Aibin Zhan a, b, a Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, 18 Shuangqing Road, Haidian District, Beijing 100085, China b University of Chinese Academy of Sciences, Chinese Academy of Sciences, 19A Yuquan Road, Shijingshan District, Beijing 100049, China article info abstract Article history: Biodiversity in running water ecosystems such as streams and rivers is threatened by chemical pollution Received 19 February 2019 derived from anthropogenic activities. Zooplankton are ecologically indicative in aquatic ecosystems, Received in revised form owing to their position of linking the top-down and bottom-up regulators in aquatic food webs, and thus 10 June 2019 of great potential to assess ecological effects of human-induced pollution. Here we investigated the Accepted 12 June 2019 influence of water pollution on zooplankton communities characterized by metabarcoding in Songhua Available online 24 June 2019 River Basin in northeast China. Our results clearly showed that varied levels of anthropogenic distur- bance significantly influenced water quality, leading to distinct environmental pollution gradients Keywords: < Water pollution (p 0.001), particularly derived from total nitrogen, nitrate nitrogen and pH. Redundancy analysis fi fl Biodiversity showed that such environmental gradients signi cantly in uenced the geographical distribution of Metabarcoding zooplankton biodiversity (R ¼ 0.283, p ¼ 0.001). In addition, along with the trend of increasing envi- Songhua River Basin ronmental pollution, habitat-related indicator taxa were shifted in constituents, altering from large-sized Zooplankton species (e.g. -
Using Stochastic Dynamic Programming to Support Water Resources Management in the Ziya River Basin, China
Downloaded from orbit.dtu.dk on: Dec 31, 2019 Using Stochastic Dynamic Programming to Support Water Resources Management in the Ziya River Basin, China Davidsen, Claus; Cardenal, Silvio Javier Pereira; Liu, Suxia; Mo, Xingguo; Rosbjerg, Dan; Bauer- Gottwein, Peter Published in: Journal of Water Resources Planning and Management Link to article, DOI: 10.1061/(ASCE)WR.1943-5452.0000482 Publication date: 2015 Document Version Publisher's PDF, also known as Version of record Link back to DTU Orbit Citation (APA): Davidsen, C., Cardenal, S. J. P., Liu, S., Mo, X., Rosbjerg, D., & Bauer-Gottwein, P. (2015). Using Stochastic Dynamic Programming to Support Water Resources Management in the Ziya River Basin, China. Journal of Water Resources Planning and Management, 141(7), [04014086]. DOI: 10.1061/(ASCE)WR.1943- 5452.0000482 General rights Copyright and moral rights for the publications made accessible in the public portal are retained by the authors and/or other copyright owners and it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights. Users may download and print one copy of any publication from the public portal for the purpose of private study or research. You may not further distribute the material or use it for any profit-making activity or commercial gain You may freely distribute the URL identifying the publication in the public portal If you believe that this document breaches copyright please contact us providing details, and we will remove access to the work immediately and investigate your claim. Using Stochastic Dynamic Programming to Support Water Resources Management in the Ziya River Basin, China Claus Davidsen1; Silvio J. -
Shijing and Han Yuefu
SONGS THAT TOUCH OUR SOUL A COMPARATIVE STUDY OF FOLK SONGS IN TWO CHINESE CLASSICS: SHIJING AND HAN YUEFU by Yumei Wang A thesis submitted in conformity with the requirements for the degree of Master of Art Graduate Department of the East Asian Studies University of Toronto © Yumei Wang 2012 SONGS THAT TOUCH OUR SOUL A COMPARATIVE STUDY OF FOLK SONGS IN TWO CHINESE CLASSICS: SHIJING AND HAN YUEFU Yumei Wang Master of Art Graduate Department of the East Asian Studies University of Toronto 2012 Abstract The subject of my thesis is the comparative study of classical Chinese folk songs. Based on Jeffrey Wainwright, George Lansing Raymond, and Liu Xie’s theories, this study was conducted from four perspectives: theme, content, prosody structure and aesthetic features. The purposes of my thesis are to trace the originality of 160 folk songs in Shijing and 47 folk songs in Han yuefu , to illuminate the origin of Chinese folk songs and to demonstrate the secularism reflected in Chinese folk songs. My research makes contribution to the following four areas: it explores the relation between folk songs in Shijing and Han yuefu and compares the similarities and differences between them ; it reveals the poetic kinship between Shijing and Han yuefu; it evaluates the significance of the common people’s compositions; and it displays the unique artistic value and cultural influence of Chinese early folk songs. ii Acknowledgments I would like to express my sincere gratitude to my supervisor Professor Graham Sanders for his supervision, inspirations, and encouragements during my two years M.A study in the Department of East Asian Studies at University of Toronto. -
Settlement Patterns, Chiefdom Variability, and the Development of Early States in North China
JOURNAL OF ANTHROPOLOGICAL ARCHAEOLOGY 15, 237±288 (1996) ARTICLE NO. 0010 Settlement Patterns, Chiefdom Variability, and the Development of Early States in North China LI LIU School of Archaeology, La Trobe University, Melbourne, Australia Received June 12, 1995; revision received May 17, 1996; accepted May 26, 1996 In the third millennium B.C., the Longshan culture in the Central Plains of northern China was the crucial matrix in which the ®rst states evolved from the basis of earlier Neolithic societies. By adopting the theoretical concept of the chiefdom and by employing the methods of settlement archaeology, especially regional settlement hierarchy and rank-size analysis, this paper introduces a new approach to research on the Longshan culture and to inquiring about the development of the early states in China. Three models of regional settlement pattern correlating to different types of chiefdom systems are identi®ed. These are: (1) the centripetal regional system in circumscribed regions representing the most complex chiefdom organizations, (2) the centrifugal regional system in semi-circumscribed regions indicating less integrated chiefdom organization, and (3) the decentral- ized regional system in noncircumscribed regions implying competing and the least complex chief- dom organizations. Both external and internal factors, including geographical condition, climatic ¯uctuation, Yellow River's changing course, population movement, and intergroup con¯ict, played important roles in the development of complex societies in the Longshan culture. As in many cultures in other parts of the world, the early states in China emerged from a system of competing chiefdoms, which was characterized by intensive intergroup con¯ict and frequent shifting of political centers. -
Henan Wastewater Management and Water Supply Sector Project (11 Wastewater Management and Water Supply Subprojects)
Environmental Assessment Report Summary Environmental Impact Assessment Project Number: 34473-01 February 2006 PRC: Henan Wastewater Management and Water Supply Sector Project (11 Wastewater Management and Water Supply Subprojects) Prepared by Henan Provincial Government for the Asian Development Bank (ADB). The summary environmental impact assessment is a document of the borrower. The views expressed herein do not necessarily represent those of ADB’s Board of Directors, Management, or staff, and may be preliminary in nature. CURRENCY EQUIVALENTS (as of 02 February 2006) Currency Unit – yuan (CNY) CNY1.00 = $0.12 $1.00 = CNY8.06 The CNY exchange rate is determined by a floating exchange rate system. In this report a rate of $1.00 = CNY8.27 is used. ABBREVIATIONS ADB – Asian Development Bank BOD – biochemical oxygen demand COD – chemical oxygen demand CSC – construction supervision company DI – design institute EIA – environmental impact assessment EIRR – economic internal rate of return EMC – environmental management consultant EMP – environmental management plan EPB – environmental protection bureau GDP – gross domestic product HPG – Henan provincial government HPMO – Henan project management office HPEPB – Henan Provincial Environmental Protection Bureau HRB – Hai River Basin H2S – hydrogen sulfide IA – implementing agency LEPB – local environmental protection bureau N – nitrogen NH3 – ammonia O&G – oil and grease O&M – operation and maintenance P – phosphorus pH – factor of acidity PMO – project management office PM10 – particulate -
Water Budget and Its Variation in Hutuo River Basin Predicted with the VIP Ecohydrological Model
460 Remote Sensing and GIS for Hydrology and Water Resources (IAHS Publ. 368, 2015) (Proceedings RSHS14 and ICGRHWE14, Guangzhou, China, August 2014). Water budget and its variation in Hutuo River basin predicted with the VIP ecohydrological model FARONG HUANG1,2 & XINGGUO MO1 1 Key Laboratory of Water Cycle & Related Land Surface Processes, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, 100101, China. 2 University of Chinese Academy of Sciences, Beijing, 100049, China [email protected] Abstract Accurate assessment of water budgets is important to water resources management and sustainable development in catchments. Here the VIP (Vegetation Interface Processes) ecohydrological model is used to estimate the water budget and its influence factors in Hutuo River basin, China. The model runs from 1956 to 2010 with a spatial resolution of 1 km, utilizing remotely sensed LAI data of MODIS. During the study period the canopy transpiration takes up 58% of evapotranspiration over the whole catchment and the fractions of soil and interception evaporation are 36% and 6% respectively. The annual evapotranspiration and streamflow are both declining, mainly resulting from the decrease of annual precipitation. Attribution analysis shows that the contributions of climate change and human activities to the decrease of streamflow are 48% and 52%, respectively. Key words streamflow; evapotranspiration; Hai River Basin; VIP model; climate change; human activities 1 INTRODUCTION In the past decades, the surface water of Hai River basin in north China has decreased steadily. It is important to assess the water budget, its long-term variation and impact factors for this area. -
Effective Storage Rates Analysis of Groundwater Reservoir With
bs_bs_banner Water and Environment Journal. Print ISSN 1747-6585 Effective storage rates analysis of groundwater reservoir with surplus local and transferred water used in Shijiazhuang City, China Shanghai Du1,2, Xiaosi Su1,2 & Wenjing Zhang1,2 1Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun, China and 2Institute of Water Resources and Environment, Jilin University, Changchun, China Keywords Abstract effective storage rate; fuzzy mathematics; Groundwater reservoir (GR) of both local precipitation and surplus water transferred groundwater reservoir; Hutuo River. from the Han River Basin is an effective method to prevent further lowering of the Correspondence groundwater table. In this study, when the different volumes of infiltration water X. Su, Institute of Water Resources and from the fuzzy mathematical analysis were input in the simulation, the rate at which Environment, Jilin University, Changchun the groundwater table rose ranged from 1.47 to 3.45 m/a. The effective storage rate 130021, China. Email: [email protected] (ESR) values of GR and the local reservoir was calculated, and ranged from 80.50 to 90.95% and from 49.66 to 80.90%, respectively. In GR, the ESR decreased as doi:10.1111/j.1747-6593.2012.00339.x artificial recharge increased. Comparison of the ESR values between local reservoir and GR showed that if the volume of artificial recharge water available was < 7.86 ¥ 108 m3/a, then GR was a better storage method than the local reservoir. According to our results, this situation would occur 80.30% of the time. recharge water resources (Shivanna et al. 2004; Peter 2005). -
Hydroeconomic Modeling to Support Integrated Water Resources Management in China
Downloaded from orbit.dtu.dk on: Oct 11, 2021 Hydroeconomic modeling to support integrated water resources management in China Davidsen, Claus Publication date: 2015 Document Version Publisher's PDF, also known as Version of record Link back to DTU Orbit Citation (APA): Davidsen, C. (2015). Hydroeconomic modeling to support integrated water resources management in China. Technical University of Denmark, DTU Environment. General rights Copyright and moral rights for the publications made accessible in the public portal are retained by the authors and/or other copyright owners and it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights. Users may download and print one copy of any publication from the public portal for the purpose of private study or research. You may not further distribute the material or use it for any profit-making activity or commercial gain You may freely distribute the URL identifying the publication in the public portal If you believe that this document breaches copyright please contact us providing details, and we will remove access to the work immediately and investigate your claim. Hydroeconomic modeling to support integrated water resources management in China Claus Davidsen PhD Thesis June 2015 Hydroeconomic modeling to support integrated water resources management in China Claus Davidsen PhD Thesis June 2015 DTU Environment Department of Environmental Engineering Technical University of Denmark Claus Davidsen Hydroeconomic modeling to support integrated water resources management in China PhD Thesis, June 2015 The synopsis part of this thesis is available as a pdf-file for download from the DTU research database ORBIT: http://www.orbit.dtu.dk Address: DTU Environment Department of Environmental Engineering Technical University of Denmark Miljoevej, building 113 2800 Kgs. -
Inland Fisheries Resource Enhancement and Conservation in Asia Xi RAP PUBLICATION 2010/22
RAP PUBLICATION 2010/22 Inland fisheries resource enhancement and conservation in Asia xi RAP PUBLICATION 2010/22 INLAND FISHERIES RESOURCE ENHANCEMENT AND CONSERVATION IN ASIA Edited by Miao Weimin Sena De Silva Brian Davy FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS REGIONAL OFFICE FOR ASIA AND THE PACIFIC Bangkok, 2010 i The designations employed and the presentation of material in this information product do not imply the expression of any opinion whatsoever on the part of the Food and Agriculture Organization of the United Nations (FAO) concerning the legal or development status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries. The mention of specific companies or products of manufacturers, whether or not these have been patented, does not imply that these have been endorsed or recommended by FAO in preference to others of a similar nature that are not mentioned. ISBN 978-92-5-106751-2 All rights reserved. Reproduction and dissemination of material in this information product for educational or other non-commercial purposes are authorized without any prior written permission from the copyright holders provided the source is fully acknowledged. Reproduction of material in this information product for resale or other commercial purposes is prohibited without written permission of the copyright holders. Applications for such permission should be addressed to: Chief Electronic Publishing Policy and Support Branch Communication Division FAO Viale delle Terme di Caracalla, 00153 Rome, Italy or by e-mail to: [email protected] © FAO 2010 For copies please write to: Aquaculture Officer FAO Regional Office for Asia and the Pacific Maliwan Mansion, 39 Phra Athit Road Bangkok 10200 THAILAND Tel: (+66) 2 697 4119 Fax: (+66) 2 697 4445 E-mail: [email protected] For bibliographic purposes, please reference this publication as: Miao W., Silva S.D., Davy B. -
Banana Cultivation in South Asia and East Asia: a Review of the Evidence from Archaeology and Linguistics
Banana Cultivation in South Asia and East Asia: A review of the evidence from archaeology and linguistics Dorian Q. Fuller and Marco Madella Research Abstract South Asia provides evidence for introduced banana cul- the present and what can be suggested for the early and tivars that are surprisingly early in the Indus Valley but mid Holocene from palaeoecological reconstructions. Ar- late elsewhere in India. Although phytolith data are still chaeological evidence for bananas in these regions re- limited, systematic samples from fourteen sites in six re- mains very limited. Our purpose in this contribution is to gions suggest an absence of bananas from most of Neo- situate those few data points of prehistoric banana phyto- lithic/Chalcolithic South Asia, but presence in part of the liths and seeds within the history of appropriate sampling Indus valley. Evidence from textual sources and historical (e.g., for phytoliths) that might have provided evidence for linguistics from South Asia and from China suggest the bananas, thus highlighting the potential for more inten- major diffusion of banana cultivars was in the later Iron sive future efforts. We also review some evidence from Age or early historic period, c. 2000 years ago. Never- historical linguistics and textual historical sources on the theless Harappan period phytolith evidence from Kot Diji, early history of bananas in India and China. suggests some cultivation by the late third or early second millennium B.C., and the environmental context implies Cultivated and Wild hybridization with Musa balbisiana Colla had already oc- Bananas in South Asia curred. Evidence of wild banana seeds from an early Ho- locene site in Sri Lanka probably attests to traditions of There is hardly a cottage in India that has not its grove utilisation of M. -
Changes in Annual, Seasonal and Monthly Climate and Its Impacts on Runoff in the Hutuo River Basin, China
water Article Changes in Annual, Seasonal and Monthly Climate and Its Impacts on Runoff in the Hutuo River Basin, China Fei Xu 1,2, Yangwen Jia 1,*, Cunwen Niu 1, Jiajia Liu 1 and Chunfeng Hao 1 1 State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin, Water Resources Department, China Institute of Water Resources and Hydropower Research, Beijing 100038, China; [email protected] (F.X.); [email protected] (C.N.); [email protected] (J.L.); [email protected] (C.H.) 2 College of Water Resources and Civil Engineering, China Agricultural University, Beijing 100083, China * Correspondence: [email protected]; Tel.: +86-10-6878-5616 Received: 25 January 2018; Accepted: 4 March 2018; Published: 6 March 2018 Abstract: Much attention has focused on the effects of precipitation (P) and temperature (T) changes on runoff (R); however, the impacts of other climatic factors need to be studied further. Moreover, the monthly and seasonal scale also need to be investigated. In this paper, we investigated the characteristics of changes in annual, seasonal, and monthly hydroclimatic variables, including R, P, T, sunshine duration (SD), relative humidity (RH), and wind speed (WS), between 1956 and 2015 in the Hutuo River basin (HTRB) using the nonparametric Mann-Kendall test, the cumulative anomaly test and the Precipitation-Runoff double cumulative curve method. Additionally, we assessed the contributions of climatic factors to changes in R in the HTRB between 1956 and 2015 using the climate elasticity method. The results indicated that significant downward trends were found for both annual and seasonal R, SD, RH, and WS.