Assessing land use impacts on flood processes in complex terrain by using GIS and modeling approach

A distributed hydrologic modeling and GIS approach is applied for the assessment of land use impact in the Steinsel sub-basin, Alzette, Grand-Duchy of Luxembourg. The assessment focuses on the runoff contributions from different land use classes and the potential impact of land use changes on runoff generation. The results show that the direct runoff from urban areas is dominant for a flood event compared with runoff from other land use areas in this catchment, and tends to increase for small floods and for the dry season floods, whereas the interflow from forested, pasture and agricultural field areas contributes to the recession flow. Significant variations in flood volume, peak discharge, time to the peak, etc., are found from the model simulation based on the three hypothetical land use change scenarios.     

Application of a checklist for quality assistance in environmental modelling to an energy model

Large, complex energy models present considerable challenges to develop and test. Uncertainty assessments of such models provide only partial guidance on the quality of the results. We have developed a model quality assistance checklist to aid in this purpose. The model checklist provides diagnostic output in the form of a set of pitfalls for the model application. The checklist is applied here to an energy model for the problem of assessing energy use and greenhouse gas emissions. Use of the checklist suggests that results on this issue are contingent on a number of assumptions that are highly value-laden. When these assumptions are held fixed, the model is deemed capable of producing moderately robust results of relevance to climate policy over the longer term. Checklist responses also indicate that a number of details critical to policy choices or outcomes on this issue are not captured in the model, and model results should therefore be supplemented with alternative analyses.     

用好防灾科技学院教育平台创建和弘扬防震减灾文化-恭贺母校升本暨校庆30周年

本文对防震减灾文化的组成、创建动力及其方法进行了探讨.初次提出了防震减灾文化的概念,并对创建防震减灾文化的目的和如何创建、弘扬防震减灾文化提出了看法和观点.     

用好防灾科技学院教育平台 创建和弘扬防震减灾文化——恭贺母校升本暨校庆30周年

本文对防震减灾文化的组成、创建动力及其方法进行了探讨。初次提出了防震减灾文化的概念，并对创建防震减灾文化的目的和如何创建、弘扬防震减灾文化提出了看法和观点。     

城市人居环境的协调发展度研究——以上海市青浦区为例

城市人居环境的可持续发展体系是一个由人口、社会、资源、环境与经济5个子系统构成的开放巨系统。通过提出综合衡量系统“协调性”和“发展水平”的“协调发展度”模型，研究人居环境复合系统内5个子系统之间协调发展度情况。并运用灰色预测理论构建GM（1，N）动态模型，预测未来几年各子系统之间协调发展的状况。     

杭州市大气NOx来源及控制对策研究

采用定常高斯模式和Thlong程序建立NOx污染源强与大气NOx浓度间定量响应数值模型,计算了点源、面源和流动源等各类污染源对杭州市区各关心点NOx的平均贡献率,分别约为17%,17%和66%,其中市区机动车尾气贡献率高达50%左右,是首先要控制的污染源.同时提出NOx排放削减方案及实施后大气NOx质量改善状况,为环保管理部门削减NOx污染源提出供决策参考.     

楔横轧轴肩的成形曲面的设计

此文分析在二辊楔横轧中轧制各类轴肩的过程。在假想工件轴端固定的图上确定楔侧面截面轮廓形状,再通过叠加轴向刚性移动量确定各截面实际位置,比较直观简便地设计出轧制轴肩的辊面上的成形曲面。最后归纳了设计步骤。     

公路建设项目环境保护投资界定

阐述了对公路建设项目环境保护投资进行界定的目的、意义，并对其现状进行了分析，在此基础上，提出了对公路建设项目环境保护投资划分的具体原则和建议。     

商丘至开封高速公路声屏障效果分析

随着高速公路的快速发展和车流量的日益增加，环境噪声给沿线居民带来一定影响。为了解商丘至开封堂速公路沿线声屏障的效果选取一所村办小学和一座村庄，监测了声屏障设施的效果，得出了该段起到噪声保护敏感点和降噪作用的结论，随后提出设置声屏障的若干建议。     

旅游资源的环境保护对策

随着旅游和假日经济的日益升温，旅游资源的环境保护就显得更为迫切。本文基于旅游业的可持续发展要求，提出了有效保护旅游资源环境的几点对策