In recent years,with the increasing attention to issues related to carbon emissions,such as carbon tariffs and government netzero carbon emission policies,carbon emissions have become an important indicator that is be...In recent years,with the increasing attention to issues related to carbon emissions,such as carbon tariffs and government netzero carbon emission policies,carbon emissions have become an important indicator that is being prioritized by governments worldwide.The Google Environmental Insights Explorer(EIE)tool has been developed to facilitate the collection and integration of data in this context.This study focuses on Tainan City and utilizes EIE to analyze greenhouse gas emissions from transportation.By using EIE,the study obtains data on greenhouse gas emissions from transportation activities in Tainan City.EIE utilizes data collected by Google and simulation functions to estimate data based on actual measurements of transportation activities.This tool saves time and resources by eliminating the need for on-site investigations while providing data that closely represent the real emissions from transportation activities in urban areas.Transportation vehicles contribute to greenhouse gas emissions in two ways:through direct combustion of fossil fuels and through the consumption of electricity in electric vehicles(EVs).The level of greenhouse gas emissions in a city’s transportation industry depends on factors such as transportation modes,fuel types,fleet age and energy efficiency,total distance traveled,and annual mileage.EIE estimates the greenhouse gas emissions from Tainan City’s transportation industry in 2022 to be 3,320,000 metric tons,including emissions from buses,motorcycles,cars,walking,railways,bicycles,and other modes of transportation.展开更多
【目的/意义】基于Open Site Explorer平台数据,分析和揭示网站层的我国图书馆共链关系及结构。【过程/方法】从该平台下载我国169所高校图书馆与公共图书馆网站的根域名入链数据,基于网站层的共链关系矩阵绘制共链网络,运用社会网络分...【目的/意义】基于Open Site Explorer平台数据,分析和揭示网站层的我国图书馆共链关系及结构。【过程/方法】从该平台下载我国169所高校图书馆与公共图书馆网站的根域名入链数据,基于网站层的共链关系矩阵绘制共链网络,运用社会网络分析方法对共链网络的节点中心性、块模型与核心-边缘结构进行分析。【结果/结论】该平台数据能够清晰地展现我国图书馆网站之间的共链关系结构,图书馆类型、实力及其所在地区的发达程度,对图书馆网站在共链关系网络中的网络特征及其网络空间分布有较大影响,但在网络中影响力最大、最重要的图书馆网站却是实力处于中上水平和中西部地区的图书馆。该平台既能为图书馆网站建设提供依据,也能拓展网络计量学理论与方法。展开更多
Prof. Wu Zhengyi (Wu Cheng-yih, C. Y. Wu), a plant taxonomist and floristic geographer, is the founder of the Chinese school of floristic geography. Now in his eighties, he is still full of energy and working hard... Prof. Wu Zhengyi (Wu Cheng-yih, C. Y. Wu), a plant taxonomist and floristic geographer, is the founder of the Chinese school of floristic geography. Now in his eighties, he is still full of energy and working hard at his research.……展开更多
城中村信息三维构建是改造和管理城中村的前提和基础,本文以淮南市某城中村为例,介绍了基于ArcGIS Explorer建立三维虚拟城中村的研究过程,并重点探讨了系统体系结构、三维建模与系统功能等的技术与方法,结合Arcgis Explorer SDK进行定...城中村信息三维构建是改造和管理城中村的前提和基础,本文以淮南市某城中村为例,介绍了基于ArcGIS Explorer建立三维虚拟城中村的研究过程,并重点探讨了系统体系结构、三维建模与系统功能等的技术与方法,结合Arcgis Explorer SDK进行定制开发,实现查询属性等功能。展开更多
文摘In recent years,with the increasing attention to issues related to carbon emissions,such as carbon tariffs and government netzero carbon emission policies,carbon emissions have become an important indicator that is being prioritized by governments worldwide.The Google Environmental Insights Explorer(EIE)tool has been developed to facilitate the collection and integration of data in this context.This study focuses on Tainan City and utilizes EIE to analyze greenhouse gas emissions from transportation.By using EIE,the study obtains data on greenhouse gas emissions from transportation activities in Tainan City.EIE utilizes data collected by Google and simulation functions to estimate data based on actual measurements of transportation activities.This tool saves time and resources by eliminating the need for on-site investigations while providing data that closely represent the real emissions from transportation activities in urban areas.Transportation vehicles contribute to greenhouse gas emissions in two ways:through direct combustion of fossil fuels and through the consumption of electricity in electric vehicles(EVs).The level of greenhouse gas emissions in a city’s transportation industry depends on factors such as transportation modes,fuel types,fleet age and energy efficiency,total distance traveled,and annual mileage.EIE estimates the greenhouse gas emissions from Tainan City’s transportation industry in 2022 to be 3,320,000 metric tons,including emissions from buses,motorcycles,cars,walking,railways,bicycles,and other modes of transportation.
文摘【目的/意义】基于Open Site Explorer平台数据,分析和揭示网站层的我国图书馆共链关系及结构。【过程/方法】从该平台下载我国169所高校图书馆与公共图书馆网站的根域名入链数据,基于网站层的共链关系矩阵绘制共链网络,运用社会网络分析方法对共链网络的节点中心性、块模型与核心-边缘结构进行分析。【结果/结论】该平台数据能够清晰地展现我国图书馆网站之间的共链关系结构,图书馆类型、实力及其所在地区的发达程度,对图书馆网站在共链关系网络中的网络特征及其网络空间分布有较大影响,但在网络中影响力最大、最重要的图书馆网站却是实力处于中上水平和中西部地区的图书馆。该平台既能为图书馆网站建设提供依据,也能拓展网络计量学理论与方法。
文摘 Prof. Wu Zhengyi (Wu Cheng-yih, C. Y. Wu), a plant taxonomist and floristic geographer, is the founder of the Chinese school of floristic geography. Now in his eighties, he is still full of energy and working hard at his research.……
