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An Application of the “Traffic Lights” Idea to Crop Control in Integrated Administration Control System “红绿灯”思想在综合管理控制系统作物控制中的应用
Q3 Social Sciences Pub Date : 2021-10-20 DOI: 10.7494/geom.2021.15.4.129
B. Hejmanowska, M. Twardowski, A. Żądło
The aim of the paper is to discuss the idea of marking agricultural parcels in the control of direct payments to agriculture. The method of using remote sensing to monitor crops and mark them according to the idea of “traffic lights” is introduced. Classification into a given “traffic lights” color gives clear information about the status of the parcel. The image classification was done on Sentinel-1 and Sentinel-2 datasets by calculating the NDVI and SIGMA time series in the season from autumn 2016 to autumn 2017. Two approaches are presented: semi-automated and automated classifications. Semi-automated classification based on NDVI_index and SIGMA_index. Automated classification was performed on NDVI by Spectral Angle Mapper method and on SIGMA by Artificial Neural Network (Multilayer Perceptron, MLP method). The following overall accuracy was obtained for NDVI_SAM: 70.35%, while for SIGMA_CNN it was: 62.01%. User accuracy (UA) values were adopted for traffic lights analysis, in machine learning: positive predictive value (PPV). The UA/PPV for rapeseed were in NDVI_index method: 88.1% (6,986 plots), NDVI_SAM: 85.0% (199 plots), SIGMA_index: 61.3% (4,165 plots) and in SIGMA_CNN: 88.9% (2,035 plots). In order to present the idea of “traffic lights”, a website was prepared using data from the NDVI_index method, which is a trade-off between the number of plots and UA/PPV accuracy.
本文的目的是讨论在控制对农业的直接支付中标记农业地块的想法。介绍了根据“红绿灯”的思想,利用遥感技术对农作物进行监测和标记的方法。分类为给定的“红绿灯”颜色可以提供有关包裹状态的清晰信息。通过计算2016年秋季至2017年秋季的NDVI和SIGMA时间序列,在Sentinel-1和Sentinel-2数据集上进行图像分类。提出了两种方法:半自动分类和自动分类。基于NDVI_index和SIGMA_index的半自动分类。通过光谱角度映射器方法对NDVI进行自动分类,并通过人工神经网络(多层感知器,MLP方法)对SIGMA进行自动分类。NDVI_SAM的总体准确度为70.35%,SIGMA_CNN的总体准确率为62.01%。在机器学习中,红绿灯分析采用了用户准确度(UA)值:正预测值(PPV)。油菜籽的UA/PPV在NDVI_index法中为88.1%(6986个小区),NDVI_SAM:85.0%(199个小区)、SIGMA_index:61.3%(4165个小区)和SIGMA_CNN:88.9%(2035个小区)。为了展示“红绿灯”的概念,使用NDVI_index方法的数据编制了一个网站,该方法是在地块数量和UA/PPV准确性之间进行权衡。
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引用次数: 1
Verification of the Geometrical Representation of Buildings in Cadastre Using UAV Photogrammetry 用无人机摄影测量验证地籍图中建筑物的几何表示
Q3 Social Sciences Pub Date : 2021-10-08 DOI: 10.7494/geom.2021.15.4.81
M. Karabin, K. Bakuła, Robert Łuczyński
The aim of this study was to determine the potential benefits of using UAV-based data to verify the accuracy of the geometry of the outlines of buildings registered in a cadastral database, and to investigate the potential use of data from UAV platforms in measuring the buildings.The authors examined whether the acquisition of data from UAVs can replace field measurements or only support them. The advantages and disadvantages of such data acquisition methods, compared with more well-established measurement methods, were identified.
本研究的目的是确定使用基于无人机的数据来验证地籍数据库中登记的建筑物轮廓几何形状的准确性的潜在好处,并调查无人机平台数据在测量建筑物中的潜在用途。作者研究了从无人机获取的数据是否可以取代现场测量或仅支持现场测量。与更完善的测量方法相比,确定了这种数据采集方法的优点和缺点。
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引用次数: 5
Housing Price Forecasting in Selected Polish Cities During the COVID-19 Pandemic 2019冠状病毒病大流行期间波兰部分城市房价预测
Q3 Social Sciences Pub Date : 2021-09-17 DOI: 10.7494/geom.2021.15.4.59
M. Bełej
The COVID-19 pandemic represents a combined supply and demand shock to the financial and housing market but also an unusual negative shock in terms of the health of society (households) and national economy. The fall in housing demand was initially assumed together with price decreases as a consequence of the uncertainty of the health of society, significant falls in stock markets and corporate solvency. However, the results of research in selected Polish cities do not indicate such a significant market recession. This article examines the housing price dynamics and forecasting in Polish cities during the COVID-19 pandemic. The TRAMO/SEATS and ARIMA models were used for the decomposition and forecasting of dwelling time series. The Polish housing market, represented by selected local housing markets, still shows a growing trend despite the COVID-19 pandemic throughout 2020. The housing market may slow down in 2021, but the strong forecasted growth trends in Warszawa and Poznań suggest that there will be no significant price decline in Poland in the near future.
新冠肺炎疫情对金融和住房市场造成了供需双重冲击,但对社会(家庭)和国民经济的健康也造成了不同寻常的负面冲击。住房需求的下降最初被认为是由于社会健康的不确定性、股市和企业偿付能力的大幅下降而导致的价格下降。然而,对选定的波兰城市的研究结果并没有表明市场出现如此严重的衰退。本文研究了新冠肺炎大流行期间波兰城市的房价动态和预测。TRAMO/SEATS和ARIMA模型用于居住时间序列的分解和预测。尽管新冠肺炎疫情在2020年全年肆虐,但以选定的当地住房市场为代表的波兰住房市场仍呈现增长趋势。2021年房地产市场可能会放缓,但Warszawa和Poznań预测的强劲增长趋势表明,波兰的房价在不久的将来不会大幅下跌。
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引用次数: 6
Green Space Assessment and Management in Biscay Province, Spain using Remote Sensing Technology 基于遥感技术的西班牙比斯开省绿地评价与管理
Q3 Social Sciences Pub Date : 2021-09-17 DOI: 10.7494/geom.2021.15.4.21
E. O. Makinde, C. M. Andonegui, Ainhoa A. Vicario
Our ecosystem, particularly forest lands, contains huge amounts of carbon storage in the world today. This study estimated the above ground biomass and carbon stock in the green space of Bilbao Spain using remote sensing technology. Landsat ETM+ and OLI satellite images for year 1999, 2009 and 2019 were used to assess its land use land cover (LULC), change detection, spectral indices and model biomass based on linear regression. The result of the LULC showed that there was an increase in forest vegetation by 12.5% from 1999 to 2009 and a further increase by 2.3% in 2019. However, plantation cover had decreased by 3.5% from 1999–2009; while wetlands had also decreased by 9% within the same period. There was, however, an increase in plantation cover from 2009 to 2019 by 2.1% but a further decrease in wetlands of 4.3%. Further results revealed a positive correlation across the three decades between the widely used Normalized Differential Vegetation Index (NDVI) with other spectral indices such as Enhance Vegetation Index (EVI) and Normalized Differential Moisture Index (NDMI) for biomass were: for 1999 EVI (R2 = 0.1826), NDMI (R2 = 0.0117), for 2009 EVI (R2 = 0.2192), NDMI (R2 = 0.3322), for 2019EVI (R2 = 0.1258), NDMI (R2 = 0.8148). A reduction in the total carbon stock from 14,221.94 megatons in 1999 to 10,342.44 megatons 2019 was observed. This study concluded that there has been a reduction in the amount of carbon which the Biscay Forest can sequester.
我们的生态系统,特别是林地,包含了当今世界上大量的碳储存。利用遥感技术估算了西班牙毕尔巴鄂市绿地的地上生物量和碳储量。利用1999年、2009年和2019年的Landsat ETM+和OLI卫星影像,基于线性回归对其土地利用、土地覆盖(LULC)、变化检测、光谱指数和模式生物量进行评估。LULC结果显示,1999 - 2009年,森林植被增加12.5%,2019年进一步增加2.3%。1999-2009年,人工林盖度下降了3.5%;而同期湿地面积也减少了9%。然而,从2009年到2019年,人工林覆盖率增加了2.1%,但湿地覆盖率进一步减少了4.3%。进一步的结果表明,广泛使用的归一化植被指数(NDVI)与其他光谱指数(如增强植被指数(EVI)和归一化水分指数(NDMI))之间的正相关关系为:1999年EVI (R2 = 0.1826), NDMI (R2 = 0.0117), 2009年EVI (R2 = 0.2192), NDMI (R2 = 0.3322), 2019年EVI (R2 = 0.1258), NDMI (R2 = 0.8148)。总碳储量从1999年的14221.94兆吨减少到2019年的10342.44兆吨。这项研究得出的结论是,比斯开森林可以吸收的碳量有所减少。
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引用次数: 4
Studying the Sensitivity of Satellite Altimetry, Tide Gauge and GNSS Observations to Changes in Vertical Displacements 研究卫星测高仪、验潮仪和GNSS观测对垂直位移变化的敏感性
Q3 Social Sciences Pub Date : 2021-09-17 DOI: 10.7494/geom.2021.15.4.45
K. Pajak, K. Kowalczyk, J. Kaminskis, Magdalena Idzikowska
Tide gauge observations provide sea level relative to the Earth’s crust, while satellite altimetry measures sea level variations relative to the centre of the Earth’s mass. Local vertical land motion can be a significant contribution to the measured sea level change.Satellite altimetry was traditionally used to study the open ocean, but this technology is now being used over inland seas too.The difference of both observations can be used to estimate vertical crustal movement velocities along the sea coast. In this paper, vertical crustal movement velocities were investigated at tide gauge sites along the Adriatic Sea coast by analyzing differences between Tide Gauge (TG) and Satellite Altimetry (SA) observations. Furthermore, the estimated vertical motion rates were compared with those from nearby GNSS measurements.The study determines the practical relationships between these vertical crustal movements and those determined from unrelated data acquired from the neighbouring GNSS stations. The results show general consistence with the present geodynamics in the Adriatic Sea coastal zone.
潮汐计观测提供了相对于地壳的海平面,而卫星测高则测量了相对于地球质量中心的海平面变化。局部垂直陆地运动可对测量到的海平面变化作出重大贡献。卫星测高传统上用于研究公海,但这项技术现在也被用于内陆海域。两种观测值的差异可以用来估计沿海岸的地壳垂直运动速度。本文通过分析潮汐计(TG)和卫星测高(SA)观测结果的差异,对亚得里亚海沿岸的潮汐计站点进行了地壳垂直运动速度的研究。此外,将估计的垂直运动速率与附近GNSS测量值进行了比较。该研究确定了这些垂直地壳运动与从邻近GNSS站获得的不相关数据确定的垂直地壳运动之间的实际关系。研究结果与亚得里亚海海岸带现今的地球动力学基本一致。
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引用次数: 0
Accuracy Assessment of a Variety of GPS Data Processing, Online Services and Software 各种GPS数据处理、在线服务和软件的精度评估
Q3 Social Sciences Pub Date : 2021-09-17 DOI: 10.7494/geom.2021.15.4.5
Israa H. Mohammed, Tariq N. Ataiwe, Hisham Al Sharaa
The processing of GPS observations in precise positioning is complex and requires professional surveyors since it must be carried out after each static measurement. In GPS network adjustment, the obtaining of the correct coordinates of the determined point is possible after determining the components of GPS vectors and aligning the networks of these vectors, while PPP requires the availability of precise products for the reference satellites orbits and clock. For that reason, surveyors can take advantage of free online GPS data processing. In this paper, the authors compare the results obtained from different sources of free online GPS data processing (AUSPOS, OPUS, CenterPoint RTX, APPS, MagicGNSS, CSRS-PPP, GAPS, and SCOUT) in terms of their accuracy, availability, and operation. This is then compared with free GPS processing software (gLAB and RTKLIB), and finally with commercial software (TBC Trimble Business Center). The results show that online processing services are more accurate than offline processing software, which indicates the strength of their algorithms and processes. The CSRS-PPP online service had the best results. The difference between the relative solution of AUSPOS and OPUS, and CSRS-PPP is insignificant.
精确定位中GPS观测的处理是复杂的,需要专业的测量人员,因为它必须在每次静态测量之后进行。在GPS网络调整中,在确定GPS矢量的分量并对齐这些矢量的网络之后,可以获得确定点的正确坐标,而PPP需要参考卫星轨道和时钟的精确产品。因此,测量人员可以利用免费的在线GPS数据处理。在本文中,作者比较了从不同的免费在线GPS数据处理来源(AUSPOS、OPUS、CenterPoint RTX、APPS、MagicGNSS、CSRS-PPP、GAPS和SCOUT)获得的结果的准确性、可用性和操作性。然后将其与免费GPS处理软件(gLAB和RTKLIB)进行比较,最后与商业软件(TBC Trimble Business Center)进行比较。结果表明,在线处理服务比离线处理软件更准确,这表明了它们的算法和流程的优势。CSRS-PPP在线服务的效果最好。AUSPOS和OPUS以及CSRS-PPP的相对解决方案之间的差异不显著。
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引用次数: 4
Designation of Flood Risk Zones Using the Geographic Information System Technique and Remote Sensing Data in Wasit, Iraq 利用地理信息系统技术和遥感数据在伊拉克Wasit确定洪水危险区
Q3 Social Sciences Pub Date : 2021-06-02 DOI: 10.7494/GEOM.2021.15.3.129
Kouther Hasheem Rasn, Q. A. Nsaif, M. Al‐Obaidi, Y. M. John
Floods are a great concern for people and infrastructure, and this is an issue which has increased in several regions around the globe in recent years. This study aims to evaluate flood risk areas and create a flood risk map using integrated remote sensing data and a geographic information system (GIS) in the Wasit governorate – eastern Iraq. Specifically, GIS‑based multi‑criteria analysis (MCA) was used to map flood hazard areas using a four‑criteria layer which is as follows: flow accumulation, slope, rainfall, and elevation. These four layers are standardized and combined using the overlay approach in ArcGIS software and a final map was produced. The study area was divided into five zones based on the results map, namely: very low, low, medium, high, and very high, according to the flood risk area. The resulting map indicates that over 60% of the study area is likely to experience a high and very high level of propensity of flooding. This study could be useful for government planners and decision‑makers to predict potential flooding areas and enhance flood management plans.
洪水是人们和基础设施非常关注的问题,近年来,这一问题在全球几个地区有所增加。本研究旨在评估伊拉克东部瓦西特省的洪水风险地区,并使用综合遥感数据和地理信息系统创建洪水风险地图。具体而言,基于GIS的多标准分析(MCA)用于使用以下四个标准层绘制洪水危险区:流量累积、坡度、降雨量和高程。使用ArcGIS软件中的叠加方法对这四层进行了标准化和组合,并生成了最终地图。根据结果图,研究区域分为五个区域,即:根据洪水风险区域,极低、低、中、高和极高。由此绘制的地图表明,超过60%的研究区域可能会经历高度和非常高的洪水倾向。这项研究可能有助于政府规划者和决策者预测潜在的洪水区域并加强洪水管理计划。
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引用次数: 2
Land Reallotment over the Course of the Development of a Rural Settlement in Ukraine 乌克兰农村居民点发展过程中的土地分配
Q3 Social Sciences Pub Date : 2021-05-20 DOI: 10.7494/GEOM.2021.15.3.115
M. Malashevskyi, I. Kovalchuk, O. Malashevska
The study is dedicated to land reallotment in the course of land use alteration in Ukraine. The case of the development of an individual residential block in an agricultural area is considered. The issue of the alteration of the spatial characteristics of land plots and changes in their designated use have been highlighted. The objective of the article is the substantiation of land reallotment at the level of an individual residential block on agricultural land which is privately owned by a number of landowners. The preconditions for the development of land reallotment in a rural‑type settlement in the suburban area of a big city have been substantiated. Alternative approaches to land reallotment have been suggested. A comparative analysis of the suggested approaches and their practical approbation have been carried out. The change of land plot spatial characteristics in the course of reallotment by means of various reallotment scenarios has been analysed. Land plot value after reallotment in each scenario has been specified. The practicability of each approach depending on the initial conditions has been substantiated. The research can be used in the course of rural settlement development planning, the coordination of measures on land use type alteration with landowners and land users, with private landowners or the implementation of local community initiatives.
该研究致力于乌克兰土地利用变化过程中的土地重新分配。考虑了在农业区开发单个住宅区的情况。强调了地块空间特征的变化及其指定用途的变化问题。这篇文章的目的是证实农业用地上的个人住宅区的土地重新分配,该住宅区由许多土地所有者私人所有。在大城市郊区的农村型定居点发展土地重新分配的先决条件已经得到证实。有人提出了土地重新分配的替代方法。对所提出的方法及其实际认可进行了比较分析。分析了不同情景下地块在重新分配过程中的空间特征变化。已指定每个场景中重新分配后的地块价值。根据初始条件,每种方法的实用性都得到了证实。该研究可用于农村定居点发展规划、与土地所有者和土地使用者、与私人土地所有者协调土地使用类型变更措施或实施当地社区倡议。
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引用次数: 8
An Assessment of the Functioning of Shopping Centres in Central‑Eastern Europe on the Example of “Posnania Mall” in Poznań (Poland) and “Grand Mall” in Varna (Bulgaria) 中东欧购物中心的功能评价——以波兰波兹纳的“波斯纳尼亚购物中心”和保加利亚瓦尔纳的“大购物中心”为例
Q3 Social Sciences Pub Date : 2021-04-27 DOI: 10.7494/GEOM.2021.15.3.99
S. Palicki, S. Stoyanov, I. Kostov, T. Atanasova, Patrycjusz Ostrowski
The article explores the issue of the function of shopping centres, in particular the analysis of the impact of their presence on society and the local development of cities and regions. Regarding the empirical aspect, the examples of Poznań (Poland) and Varna (Bulgaria) will be presented. As a result of similar socio‐economic conditions and joining the European Union at almost the same moment, all comparative studies reflecting preferences and market reactions seem both viable and interesting. In addition, the two cities chosen for the studies occupy a similar place in the hierarchy of the settlement network in their countries. They are large, well‐developed centres that attract the attention of investors from various segments of the real estate market. The research is part of the modelling of preferences of shopping centre customers areas, which in particular supports the investment decisions of developers operating in the analysed real estate market, and at the same time permits a diagnosis of social satisfaction. A derivative of the research is also the reconstruction of the effects of the functioning of large‐scale shopping malls in two Central‐Eastern European countries.
本文探讨了购物中心的功能问题,特别是分析了其存在对社会以及城市和地区的地方发展的影响。关于经验方面,将介绍波兹南(波兰)和瓦尔纳(保加利亚)的例子。由于类似的社会经济条件和几乎在同一时刻加入欧盟,所有反映偏好和市场反应的比较研究似乎都是可行和有趣的。此外,被选中进行研究的两个城市在各自国家的定居网络等级中占据着相似的位置。它们是大型、发展良好的中心,吸引了房地产市场各个领域投资者的注意力。该研究是购物中心客户区域偏好建模的一部分,特别支持在分析的房地产市场中运营的开发商的投资决策,同时允许对社会满意度进行诊断。这项研究的衍生成果也是对两个中东欧国家大型购物中心运作影响的重建。
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引用次数: 0
Towards Transit‑Oriented Development for Sustainable Urban Mobility: Insights from a Central European City 面向公交的可持续城市交通发展:中欧城市的启示
Q3 Social Sciences Pub Date : 2021-04-27 DOI: 10.7494/GEOM.2021.15.3.39
Maksymilian Leśniewski, M. Świąder, I. Kaczmarek, D. Castro, J. Kamińska, T. Pilawka, J. Kazak
Sustainable Development Goals require holistic actions, including activity at the intersection of urban planning and environmental engineering. Turning our cities towards transit‐oriented development might help in reducing pollut‐ ant emissions caused by individual transportation modes that rely on crude oil. This research presents how the use of geospatial network analysis can support local decision makers in the evaluation of potential public transport accessibil‐ ity by citizens in the case of a Central European city – Wrocław (Poland). The obtained results indicate differentiation in access to railway stations and stops, which results from pedestrian path networks and the number of entrances to railway stations. The visualization of serve area shows which parts of the city are excluded from comfortable access to public transport and in that way high‐ light where future actions should be taken.
可持续发展目标要求采取整体行动,包括城市规划和环境工程相结合的活动。将我们的城市转向以交通为导向的发展,可能有助于减少依赖原油的个人交通方式造成的污染物排放。本研究展示了地理空间网络分析如何在中欧城市Wrocław(波兰)的案例中支持当地决策者评估潜在的公共交通可达性。结果表明,车站和站点的出入存在差异,这主要是由于行人通道网络和车站出入口数量的差异。服务区的可视化显示了城市的哪些部分被排除在舒适的公共交通之外,并以这种方式突出了未来应该采取的行动。
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引用次数: 5
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Geomatics and Environmental Engineering
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