为了解决工业发展导致的灌区土壤投入品残留污染问题,给出一种基于地理信息系统(geographic information system,GIS)的土壤污染监测预警系统。该系统结合VOC-PF1型传感器、STM32主控芯片和GSM通信模块,实现了高效的数据采集和通信功能...为了解决工业发展导致的灌区土壤投入品残留污染问题,给出一种基于地理信息系统(geographic information system,GIS)的土壤污染监测预警系统。该系统结合VOC-PF1型传感器、STM32主控芯片和GSM通信模块,实现了高效的数据采集和通信功能。通过反距离加权(inverse distance weighted,IDW)插值法进行空间分析,并设立预警阈值,实现对灌区土壤投入品残留污染的实时监测和预警。实验结果表明:该系统的监测精度高达98%,监测时长最高为49 s,具有很高的实用性和效率。研究结果不仅为灌区土壤投入品残留污染监测提供了有效手段,也为环境保护和农业可持续发展提供有力支持。展开更多
Over 16 million caregivers of people living with dementia require support in a range of issues, including self-care, disease education, and guidance for how to manage behavioral and psychological symptoms of dementia ...Over 16 million caregivers of people living with dementia require support in a range of issues, including self-care, disease education, and guidance for how to manage behavioral and psychological symptoms of dementia (BPSD). Non-pharmacological interventions are needed to address these areas, and online applications have been shown to be safe and effective. To ensure the efficacy of such interventions, racially, ethnically, geographically, and socioeconomically diverse participants must be recruited to increase the generalizability of study outcomes. This protocol paper describes a recruitment plan using Geographic Information Systems (GIS) to reach a representative sample of caregivers across the United States for a national Phase III clinical study. Using publicly available census data from the American Community Survey (ACS), combined with location data for local aging resources such as Area Agencies on Aging (AAA), recruitment will be derived from data analysis conducted in ESRI ArcGIS v10.7.1. Datasets including age, gender, income, and education will be assessed nationally at the county and census tract spatial scale in a nine-step process to develop recruitment priority areas containing high concentrations of eligible participants living in the community. Overall, the current protocol will demonstrate the value of GIS in tailoring targeted outreach strategies to recruit community-dwelling populations through local resource institutions. This novel approach may have far-reaching implications in future recruitment initiatives and help to secure racially/ethnically diverse samples.展开更多
目的:设计基于地理信息系统(Geographic Information System,GIS)的广西食品抽样系统建设方案,清洗抽样数据建立大数据仓库,开发建设基于GIS的广西食品抽样系统。方法:通过运用GIS技术,建立大数据基础库,梳理从抽样计划制订,到实地抽样...目的:设计基于地理信息系统(Geographic Information System,GIS)的广西食品抽样系统建设方案,清洗抽样数据建立大数据仓库,开发建设基于GIS的广西食品抽样系统。方法:通过运用GIS技术,建立大数据基础库,梳理从抽样计划制订,到实地抽样,再到抽样结果检测,提供区域安全风险等级图、区域抽样进度图、区域抽样覆盖完成实况;通过与实验室信息管理系统(Laboratory Information Management System,LIMS)的数据共享,实现抽样记录自动更新,数据自动完成清洗;通过Web Service接口技术实现抽、检数据互联互通,信息实时共享,消除信息孤岛。结果:优化了目前的国家食品安全抽样检验信息系统,生成区域安全风险等级图、区域抽样进度图、区域抽样覆盖完成实况等更直观的图像,实现抽样记录自动更新,数据自动完成清洗,提高了数据利用率,大幅缩短了抽样路程所需时间。结论:基于GIS的广西食品抽样系统为我区食品安全监管提供了数据信息保障,并大大减少了广西食品抽样的人力物力成本,成为食品安全智慧化监管不可或缺的工具。展开更多
River bank erosion is a natural process that occurs when the water flow of a river exceeds the bank’s ability to withstand it. It is a common phenomenon that causes extensive land damage, displacement of people, loss...River bank erosion is a natural process that occurs when the water flow of a river exceeds the bank’s ability to withstand it. It is a common phenomenon that causes extensive land damage, displacement of people, loss of crops, and infrastructure damage. The Gorai River, situated on the right bank of the Ganges, is a significant branch of the river that flows into the Bay of Bengal via the Mathumati and Baleswar rivers. The erosion of the banks of the Gorai River in Kushtia district is not a recent occurrence. Local residents have been dealing with this issue for the past hundred years, and according to the elderly members of the community, the erosion has become more severe activities. Therefore, the main objective of this research is to quantify river bank erosion and accretion and bankline shifting from 2003 to 2022 using multi-temporal Landsat images data with GIS and remote sensing technique. Bank-line migration occurs as a result of the interplay and interconnectedness of various factors such as the degree of river-related processes such as erosion, transportation, and deposition, the amount of water in the river during the high season, the geological and soil makeup, and human intervention in the river. The results show that the highest eroded area was 4.6 square kilometers during the period of 2016 to 2019, while the highest accreted area was 7.12 square kilometers during the period of 2013 to 2016. However, the erosion and accretion values fluctuated from year to year.展开更多
随着科技的不断发展和智能化技术的应用,地理信息系统(Geographic Information System,GIS)电子地图在配电网电力抢修智能调度中发挥着越来越重要的作用。GIS技术通过将空间数据和属性数据相结合,实现对地理空间信息的有效管理、分析及...随着科技的不断发展和智能化技术的应用,地理信息系统(Geographic Information System,GIS)电子地图在配电网电力抢修智能调度中发挥着越来越重要的作用。GIS技术通过将空间数据和属性数据相结合,实现对地理空间信息的有效管理、分析及展示,为配电网电力抢修提供了全新的解决方案。基于此,分析GIS电子地图在配电网电力抢修智能调度中的运用价值,探讨GIS电子地图在配电网电力抢修智能调度中的具体运用,以供参考。展开更多
探讨基于遥感和地理信息系统(Geographic Information System,GIS)技术的水资源调查与评价方法,旨在提高水资源管理的效率和准确性。使用遥感技术进行数据采集和处理,以及利用GIS进行空间数据的管理和分析,研究内容涵盖了水资源量的计...探讨基于遥感和地理信息系统(Geographic Information System,GIS)技术的水资源调查与评价方法,旨在提高水资源管理的效率和准确性。使用遥感技术进行数据采集和处理,以及利用GIS进行空间数据的管理和分析,研究内容涵盖了水资源量的计算、水质评价、水资源管理策略等方面。结果显示,遥感和GIS技术能有效提供水资源量化评估,识别和分析水质状况,支持水资源的合理分配和可持续利用。遥感和GIS技术在水资源调查和管理中展现出巨大的潜力,但也面临数据精度、处理复杂性和成本效益的挑战。未来研究需要集成跨学科知识,优化技术应用,以更全面、高效地解决全球水资源问题。展开更多
文章提出了一种基于地理信息系统(Geographic Information System,GIS)呈现的密集城区集中无线接入网络(Centralized Radio Access Network,CRAN)区分裂评估方法。该方法利用GIS技术,通过数据收集和参数GIS呈现,综合评估CRAN区域内微网...文章提出了一种基于地理信息系统(Geographic Information System,GIS)呈现的密集城区集中无线接入网络(Centralized Radio Access Network,CRAN)区分裂评估方法。该方法利用GIS技术,通过数据收集和参数GIS呈现,综合评估CRAN区域内微网格的业务需求和设备接入能力。通过现网环路带宽分析和判断是否需要分裂,制订最优匹配调整CRAN范围和CRAN分裂回传组网的方案,满足网络的健康发展和适应未来需求。该方法为密集城区CRAN网络规划和优化提供了科学的参考和决策依据。展开更多
文摘Over 16 million caregivers of people living with dementia require support in a range of issues, including self-care, disease education, and guidance for how to manage behavioral and psychological symptoms of dementia (BPSD). Non-pharmacological interventions are needed to address these areas, and online applications have been shown to be safe and effective. To ensure the efficacy of such interventions, racially, ethnically, geographically, and socioeconomically diverse participants must be recruited to increase the generalizability of study outcomes. This protocol paper describes a recruitment plan using Geographic Information Systems (GIS) to reach a representative sample of caregivers across the United States for a national Phase III clinical study. Using publicly available census data from the American Community Survey (ACS), combined with location data for local aging resources such as Area Agencies on Aging (AAA), recruitment will be derived from data analysis conducted in ESRI ArcGIS v10.7.1. Datasets including age, gender, income, and education will be assessed nationally at the county and census tract spatial scale in a nine-step process to develop recruitment priority areas containing high concentrations of eligible participants living in the community. Overall, the current protocol will demonstrate the value of GIS in tailoring targeted outreach strategies to recruit community-dwelling populations through local resource institutions. This novel approach may have far-reaching implications in future recruitment initiatives and help to secure racially/ethnically diverse samples.
文摘目的:设计基于地理信息系统(Geographic Information System,GIS)的广西食品抽样系统建设方案,清洗抽样数据建立大数据仓库,开发建设基于GIS的广西食品抽样系统。方法:通过运用GIS技术,建立大数据基础库,梳理从抽样计划制订,到实地抽样,再到抽样结果检测,提供区域安全风险等级图、区域抽样进度图、区域抽样覆盖完成实况;通过与实验室信息管理系统(Laboratory Information Management System,LIMS)的数据共享,实现抽样记录自动更新,数据自动完成清洗;通过Web Service接口技术实现抽、检数据互联互通,信息实时共享,消除信息孤岛。结果:优化了目前的国家食品安全抽样检验信息系统,生成区域安全风险等级图、区域抽样进度图、区域抽样覆盖完成实况等更直观的图像,实现抽样记录自动更新,数据自动完成清洗,提高了数据利用率,大幅缩短了抽样路程所需时间。结论:基于GIS的广西食品抽样系统为我区食品安全监管提供了数据信息保障,并大大减少了广西食品抽样的人力物力成本,成为食品安全智慧化监管不可或缺的工具。
文摘River bank erosion is a natural process that occurs when the water flow of a river exceeds the bank’s ability to withstand it. It is a common phenomenon that causes extensive land damage, displacement of people, loss of crops, and infrastructure damage. The Gorai River, situated on the right bank of the Ganges, is a significant branch of the river that flows into the Bay of Bengal via the Mathumati and Baleswar rivers. The erosion of the banks of the Gorai River in Kushtia district is not a recent occurrence. Local residents have been dealing with this issue for the past hundred years, and according to the elderly members of the community, the erosion has become more severe activities. Therefore, the main objective of this research is to quantify river bank erosion and accretion and bankline shifting from 2003 to 2022 using multi-temporal Landsat images data with GIS and remote sensing technique. Bank-line migration occurs as a result of the interplay and interconnectedness of various factors such as the degree of river-related processes such as erosion, transportation, and deposition, the amount of water in the river during the high season, the geological and soil makeup, and human intervention in the river. The results show that the highest eroded area was 4.6 square kilometers during the period of 2016 to 2019, while the highest accreted area was 7.12 square kilometers during the period of 2013 to 2016. However, the erosion and accretion values fluctuated from year to year.
文摘随着科技的不断发展和智能化技术的应用,地理信息系统(Geographic Information System,GIS)电子地图在配电网电力抢修智能调度中发挥着越来越重要的作用。GIS技术通过将空间数据和属性数据相结合,实现对地理空间信息的有效管理、分析及展示,为配电网电力抢修提供了全新的解决方案。基于此,分析GIS电子地图在配电网电力抢修智能调度中的运用价值,探讨GIS电子地图在配电网电力抢修智能调度中的具体运用,以供参考。
文摘探讨基于遥感和地理信息系统(Geographic Information System,GIS)技术的水资源调查与评价方法,旨在提高水资源管理的效率和准确性。使用遥感技术进行数据采集和处理,以及利用GIS进行空间数据的管理和分析,研究内容涵盖了水资源量的计算、水质评价、水资源管理策略等方面。结果显示,遥感和GIS技术能有效提供水资源量化评估,识别和分析水质状况,支持水资源的合理分配和可持续利用。遥感和GIS技术在水资源调查和管理中展现出巨大的潜力,但也面临数据精度、处理复杂性和成本效益的挑战。未来研究需要集成跨学科知识,优化技术应用,以更全面、高效地解决全球水资源问题。
文摘文章提出了一种基于地理信息系统(Geographic Information System,GIS)呈现的密集城区集中无线接入网络(Centralized Radio Access Network,CRAN)区分裂评估方法。该方法利用GIS技术,通过数据收集和参数GIS呈现,综合评估CRAN区域内微网格的业务需求和设备接入能力。通过现网环路带宽分析和判断是否需要分裂,制订最优匹配调整CRAN范围和CRAN分裂回传组网的方案,满足网络的健康发展和适应未来需求。该方法为密集城区CRAN网络规划和优化提供了科学的参考和决策依据。