In this work we report a methodological procedure with an integrated physical-perceptual approach that allows units of landscape in protected natural areas to be differentiated. First, indirect methods were applied by...In this work we report a methodological procedure with an integrated physical-perceptual approach that allows units of landscape in protected natural areas to be differentiated. First, indirect methods were applied by means of a mapping procedure, which identified the physical components of major relevance. We then generated maps of natural units, anlyzing the “printed” landscape of a territory. Secondly, we developed direct methods to identify and describe the reresentative elements of the landscape, analyzing the “perceived” landscape. The identification and delimitation of these landscape units with geographical information systems provide detailed maps facilitate the tasks of planning and management. The procedure was validated by means of its application in two protected natural spaces. The treatment used here considers landscape not only as an aesthetic element but also as something “live” elaborating maps that should be of use in land planning and management of natural areas.展开更多
Solid Waste Management, SWM, is an integral part of public health and environmental control. Improper SWM leads to both economic and environmental sufferings. Almost all factors related to solid waste management have ...Solid Waste Management, SWM, is an integral part of public health and environmental control. Improper SWM leads to both economic and environmental sufferings. Almost all factors related to solid waste management have both spatial and non-spatial components. Thus, traditional ways of storing and analyzing data keep data in an isolated form, which results in an inefficient management system. This research aims to optimize municipal solid waste management of bins using GIS. Nuseirat City is chosen as a case study to evaluate SWM of recycle bins to allow the collection process to get less cost and less time as well as to determine the best routes for the trucks to collect the bins. Using Location-Allocation technique, the study indicates that 50 bins from the existing 222 bins do not meet the required selection criteria and need to be re-distributed. It also shows that there are many areas which are not serviced and that the existing bins do not cover all areas in Nuseirat. Nuseirat municipality needs to supply 173 bins besides the existing bins in order to fully cover the city. Moreover, the best tracks to be followed by vehicles that will reduce the financial cost using Vehicle Routing Problem Analysis are determined using GIS network analysis. It is recommended the use of GIS in the administration, especially the management of solid waste and the consideration of it mainly in the general system of municipalities working in the Gaza Strip. Extensive attention should be focused on the collection of solid waste because it is important in the development of cities and it gives a wonderful cultural landscape.展开更多
本研究利用2017—2023年陕西VLF/LF闪电定位系统地闪数据,基于GIS(Geographic Information System)核密度场模型,建立了基于强度权重的地闪核密度表面;应用热点探测模型对地闪密度热点进行提取和等级分类;分析了地闪核密度及其热点的分...本研究利用2017—2023年陕西VLF/LF闪电定位系统地闪数据,基于GIS(Geographic Information System)核密度场模型,建立了基于强度权重的地闪核密度表面;应用热点探测模型对地闪密度热点进行提取和等级分类;分析了地闪核密度及其热点的分布与地形地貌、植被覆盖等环境因素的关系。研究结果显示:①利用GIS核密度场模型和热点探测模型可以准确识别闪电活动密集区域,并深入揭示地闪空间分布特征。②陕西地闪活动存在明显的时空差异,地闪在夏季发生次数多强度大,春秋季次之,冬季最少;空间分布总体表现为南北高—中间低的空间格局。③核密度在海拔高度1 km以下与海拔高度正相关,在海拔高度1 km以上与海拔高度负相关;地形地貌、植被及两者交叉项均对核密度产生显著性差异影响。地形地貌影响的差异超过植被。④中海拔黄土梁峁和中海拔中起伏山地的草地和林区是大型及中大型热点的主要分布区。展开更多
文摘In this work we report a methodological procedure with an integrated physical-perceptual approach that allows units of landscape in protected natural areas to be differentiated. First, indirect methods were applied by means of a mapping procedure, which identified the physical components of major relevance. We then generated maps of natural units, anlyzing the “printed” landscape of a territory. Secondly, we developed direct methods to identify and describe the reresentative elements of the landscape, analyzing the “perceived” landscape. The identification and delimitation of these landscape units with geographical information systems provide detailed maps facilitate the tasks of planning and management. The procedure was validated by means of its application in two protected natural spaces. The treatment used here considers landscape not only as an aesthetic element but also as something “live” elaborating maps that should be of use in land planning and management of natural areas.
文摘Solid Waste Management, SWM, is an integral part of public health and environmental control. Improper SWM leads to both economic and environmental sufferings. Almost all factors related to solid waste management have both spatial and non-spatial components. Thus, traditional ways of storing and analyzing data keep data in an isolated form, which results in an inefficient management system. This research aims to optimize municipal solid waste management of bins using GIS. Nuseirat City is chosen as a case study to evaluate SWM of recycle bins to allow the collection process to get less cost and less time as well as to determine the best routes for the trucks to collect the bins. Using Location-Allocation technique, the study indicates that 50 bins from the existing 222 bins do not meet the required selection criteria and need to be re-distributed. It also shows that there are many areas which are not serviced and that the existing bins do not cover all areas in Nuseirat. Nuseirat municipality needs to supply 173 bins besides the existing bins in order to fully cover the city. Moreover, the best tracks to be followed by vehicles that will reduce the financial cost using Vehicle Routing Problem Analysis are determined using GIS network analysis. It is recommended the use of GIS in the administration, especially the management of solid waste and the consideration of it mainly in the general system of municipalities working in the Gaza Strip. Extensive attention should be focused on the collection of solid waste because it is important in the development of cities and it gives a wonderful cultural landscape.
文摘本研究利用2017—2023年陕西VLF/LF闪电定位系统地闪数据,基于GIS(Geographic Information System)核密度场模型,建立了基于强度权重的地闪核密度表面;应用热点探测模型对地闪密度热点进行提取和等级分类;分析了地闪核密度及其热点的分布与地形地貌、植被覆盖等环境因素的关系。研究结果显示:①利用GIS核密度场模型和热点探测模型可以准确识别闪电活动密集区域,并深入揭示地闪空间分布特征。②陕西地闪活动存在明显的时空差异,地闪在夏季发生次数多强度大,春秋季次之,冬季最少;空间分布总体表现为南北高—中间低的空间格局。③核密度在海拔高度1 km以下与海拔高度正相关,在海拔高度1 km以上与海拔高度负相关;地形地貌、植被及两者交叉项均对核密度产生显著性差异影响。地形地貌影响的差异超过植被。④中海拔黄土梁峁和中海拔中起伏山地的草地和林区是大型及中大型热点的主要分布区。
