衡水市水功能区纳污现状及能力分析

为实现水资源的合理开发、利用,针对目前水功能区水体污染严重的状况,从水功能区划分、水质状况、纳污现状、纳污能力计算与分析四个方面,详细探讨了衡水市水功能区纳污现状及纳污能力,给出了不同行政分区段内污染物消减目标,并提出了积极推进水环境治理规划建设、完善管理机制和加快县级污水处理厂建设等五项排污治理的建议。     

聊城市水功能区评价研究

水功能区限制纳污是实施最严格水资源管理制度中“三条红线”的核心内容之一,科学做好区域水功能区监测是做好水功能区限制纳污管理的主要措施.以山东聊城市为例对区域水功能区监测的基本思路、技术路线与评价方法,提出以水体污染折合水量表示的区域水功能区污染对当地地表水资源开发利用的影响,依据总量控制的有关制度计算核减水量.     

区域水功能区限制纳污指标与水质达标率确定初探

为实施水功能区限制纳污红线,严格控制以行政区域为单元的入河排污总量,是当前面临的重要课题和技术难点。通过对水功能区限制纳污红线管理风险的分析,以临沂试点为例,初步以区域水功能区水质达标率为考核依据,核减下一年度县区地表水用水指标,并以限制纳污指标为辅助控制指标。本文着重探讨在没有县级水功能区划的情况下,如何将一个跨县区的水功能区COD、氨氮指标客观、公正地分配到相关县区;探讨在没有县界水质目标的情况下,如何处理好上下游水质达标率的责任考核问题,使流域与行政区域,水质达标率与纳污控制指标相衔接。     

关于塔里木河流域水功能区限制纳污红线管理的几点思考

建立并实施水功能区限制纳污制度是当前水资源保护管理工作的核心内容,也是实行最严格水资源管理制度的具体体现。本文针对塔河流域已开展的相关工作及其存在的问题进行了分析,并对塔河流域水功能区限制纳污红线管理今后可开展的工作进行了初步探讨。     

水功能区纳污能力计算的探讨

通过水功能区纳污能力的计算,提出应尽可能地加大河道的流量,如限制取水、增加排水、适当降低排污浓度、适当调配等措施以提高河道的纳污能力。并建议排污口集中在功能区上游大约在区间的2/3处。     

商洛市水资源功能规划及保护措施

水资源的有效保护是实现水资源可持续利用和社会经济可持续发展的重要环节。在商洛市水资源调查的基础上,合理划分水功能区,计算出重点河段各水功能分区相应的纳污能力,并以此为依据提出水资源保护措施,为商洛市水资源保护、监督和管理提供依据。     

改进S-P模型在营口地区河道降解及纳污能力分析中的应用

采用改进的S-P模型对营口地区主要水功能区河流的降级及纳污能力进行分析。结果表明:相比于传统S-P模型,改进模型在营口地区河流降解及纳污能力具有较好的适用性。主要污染物降解系数计算误差降低14. 1%和14. 8%。通过分析,营口地区远景年份污染物的削减率可达分布达到39. 9%和48. 4%。     

衡水市水功能区排污现状分析研究

衡水市是河北省缺水的城市之一,同时也是水体污染较突出的城市之一.由于衡水市经济的快速发展和人口的不断增长,工业废水和生活污水的排放在大量增加,根据2010年对全市水功能区及非水功能区重新进行的排污口核查与监测结果,从水功能区划分、水质状况、排污现状等方面,详细探讨了衡水市水功能区排污状况,并提出了排污治理建议.     

流水环境承载能力及限制排污总量有关问题探讨

最严格水资源管理制度的实施,根据河流水功能区水体纳污能力分析计算,提出限制入河排污总量意见,为水资源保护提供决策依据.对编制流域水环境承载能力及限制排污总量方案中水功能区纳污能力的计算、入河污染物总量控制及限制排污总量合理性检验等有关问题进行讨论.     

甘肃渭河流域水环境承载能力及污染控制分析

以水功能区为基本单元,采用一维水质数学模型分析计算渭河流域水环境承载能力,分析评价水环境质量状况;以纳污能力为约束条件,分析归纳出各水功能区和支流区域的排污控制量和削减量;并分析流域水环境承载力和实际承载状况的空间分布。就流域的水环境治理措施、产业结构的调整和社会经济的发展布局进行了讨论。     

Evaluation of the water resources carrying capacity of Shandong peninsula,China

Research on the carrying capacity and security of water resources is vital for its contribution to implementing sustainable development goals. The limitation of water resources is one of the most important factors that influence the sustainable utilization of resources. Studying the carrying capacity of water resources will not only facilitate monitoring and forecast of national resources and environmental carrying capacity, but also be valuable for building ecological civilization. According to the principles of evaluation system, the carrying capacity of water resources on Shandong peninsula is explored. A comprehensive evaluation model of the carrying capacity of water resources is constructed based on the carrying capacity of water resources index and the composite of water resources index. The results show that the capacity of water resources on Shandong peninsula is generally consistent with overexploitation, and that the development and utilization of water resources has reached a considerable scale under existing economic and technological conditions. The carrying capacity of water resources in this region is relatively small, and the contradiction between supply and demand of water resources is alarming. Relative countermeasures are put forward, to improve the water resources carrying capacity and to provide a basis for future sustainable development and utilization of water resources in this region.     

陕西省水资源承载力研究

水资源承载力对一个国家或地区的综合发展和发展规模有着重要的影响[1]。水资源承载力涉及到人口、社会经济发展以及资源环境在内的诸多因素,本文通过对基于水资源负载指数的水资源开发利用潜力评价和基于人水关系的水资源承载力评价两个方面的内容实现对陕西省水资源承载力的综合评价。计算结果符合陕西省水资源实际情况,对陕西省水资源的可...     

Evaluation of water resources carrying capacity of Gonghe basin based on fuzzy comprehensive evaluation method

Gonghe Basin belongs to arid and semi-arid climatic zone, where water resource is relatively scarce and desertification is serious, so it is necessary to find out water resources carrying capacity. By using fuzzy comprehensive evaluation method, the assessment on water resources carrying capacity in Gonghe Basin was conducted: Water resource carrying capacity of Gonghe County is less, while that of Guinan County and Chaka Town of Wulan County are greater; water resources of Gonghe Basin could sustain cultivated land of 652.6 thousand acres and grassland of 2 368.6 thousand acres respectively in 2020, water resources of Gonghe Basin could sustain cultivated land of 948.2 thousand acres and grassland of 2 247.6 thousand acres respectively in 2030.     

人工神经网络在流域水环境承载力中的应用研究

在分析水环境承载力概念的基础上,建立了基于BP人工神经网络的流域水环境承载力评价模型,并对其进行了实证研究.结果表明,将人工神经网络方法应用于水环境承载力的研究,具有建模方便、操作简单的特点,为流域水环境承载力研究的提供了一种新途径.     

Emergency water supply capacity analysis of major cities in Hebei

In order to prevent the catastrophic events such as extreme drought, continuous drought and source-water quality pollution, 15 groundwater emergency water sources are to be selected in 11 important cities in Hebei, and the evaluation of allowable emergency exploitation quantity is 180.19×104 m3/d. Under the current conditions, the water supply quantity of emergency water sources and the total emergency water supply quantity will meet the emergency water demand with the guarantee rate of 65.79% to 377.78% and 90.35% to 270.51% respectively. By 2020, the water supply quantity of emergency water source places and the total emergency water supply quantity will meet the emergency water demand with the guarantee rate of 22.08% to 74.49% and 82.65% to 144.08% in the benefited areas of South-to-North water diversion (SNWDP); and for non-SNWDP areas, the guarantee rate will be 74.64% to 337.78% and 74.64% to 377.78%.     

Water sustainability model for estimation of groundwater availability in Kemuning district,Riau-Indonesia

There are rising interests in the utility of groundwater in various aspects,which is capable of triggering problematic issues.The excessive exploitation for anthropologic uses,without regards to aquifer capacity,will decreases the water table as well as capacity of groundwater in the aquifer.This research was aimed to provide aquifer model of underground water by consideration of various environmental factors,with the propensity of being modeled,in an attempt to predict groundwater conditions in subsequent years.The purpose of this research was to forecast water requirements,availability,as well as three-dimensional model of groundwater depth in Kemuning,Indragiri Hilir Regency-Indonesia between 2015 and 2022.Furthermore,various environmental factors,from aquifer profiles to anthropologic demand,are taken into account in the evaluated model,including water requirements,encompassing recharge and aquifer parameters,which consists of storativity and transmissivity.From anthropologic side are domestic requirements,trade,public facilities,agriculture,and livestock.The results show that groundwater availability in Kemuning is to be safe condition,and average difference is 1.06×108 m3/yr.The coefficient of storativity and transmissivity are 16.514 m2/day and 9897.26 m2/day,respectively,while the average depth was recorded as 2.8965 m to 10.4927 m.     

喀斯特地区的水资源承载力评价研究——以贵州省为例

喀斯特地区水文运动规律特殊,生态环境脆弱,其水资源承载力也不同于非喀斯特地区。本文从喀斯特地区的水资源承载力入手,选取了供水模数、需水模数、水资源开发利用程度、人均供水量、工业用水重复利用率、耕地灌溉率、生态环境用水率等评价指标,并用多目标灰色关联投影法对贵州省各地区的水资源承载力状态进行了合理排序。最后对人口、GDP、水资源量和喀斯特面积与评价结果进行了灰色关联度分析,得出以上四因素与喀斯特地区的水资源承载力具有一定的关系,其关联程度大小顺序为: 水资源量> 人口> GDP> 喀斯特分布面积;喀斯特分布面积对其水资源承载力具有一定程度的影响,喀斯特地区经济发展的落后导致其经济发展与水资源承载力关系不明显; 随着经济技术水平的提高,喀斯特分布面积对水资源承载力的影响将逐渐减小。      

陕北延河流域水土资源承载力评价研究

基于陕北延河流域2000-2009年的水土资源相关数据,依据《国家人口发展功能区工作技术导则》中对水土地资源承载力的测评模型,计算流域水土资源承载力和承载指数,并对比评价了流域各区县的水土资源承载现状。结果表明:①延河流域各区县的水资源承载状况均为超载,其中延长县和志丹县为过载,宝塔区和安塞县为严重超载。②延河流域各区县的土地资源承载状况存在一定的地域差异性,其中宝塔区和延长县的为严重超载,安塞县和志丹县的为平衡有余。研究可为水土资源在县域之间、省际之间等不同级别行政区域中的合理均衡和分配提供科学依据。     

Evaluation on water resources carrying capacity of Changchun-Jilin Region

Based on such principles as sustainable development and ecological cycle, this paper evaluates the water resources carrying capacity (WCC) of Changchun-Jilin region using a population-economy-water resources correlation evaluation model built on the basis of WCC evaluation method as elaborated in the methodology of Functional Zoning of Population Development. Results show that the annual WCC of Changchun-Jilin region is able to support the population there, as a basic balance is struck between population and water resources. The incorporation of WCC into overall urban planning is one of the building blocks for sustainable city development with an advisable size.     

“黄河流域水资源演化规律与可再生性维持机理”研究进展

黄河是中国第二条大河,流域面积80万km2,它曾是中华民族文化的摇篮。当前在中国西部大开发中具有举足轻重的重要战略地位。但是黄河流域地处中国的半干旱与半湿润地带,流域的水资源量先天不足,流域内的人均水资源占有量很少,相当全国人均水资源占有量的1/3。由于气候的暖干变化与人类活动的影响,过去30年来,黄河下游与其主要支流频繁地发生了断流,这种发展的征兆不仅加剧了脆弱的水资源供应与需求的平衡,而且给流域上、中、下游原有生态系统与环境带来更大的冲击。黄河的治理终归是涉及国家稳定和国家安全的大事。因此,1999年科技部在“国家重点基础研究发展规划”中立项,启动了5年研究项目“黄河流域水资源演化规律与可再生性维持机理”。作者作为项目的首席科学家根据项目各课题已发表的近900篇论文与几十部专著等大量成果,简要概括了黄河水资源的基础性、技术性和应用性研究等三大方面的进展。