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A GIS-based analysis of the urban green space accessibility in Craiova city, Romania 基于gis的罗马尼亚克拉约瓦市城市绿地可达性分析
IF 2.3 4区 社会学 Q4 ENVIRONMENTAL STUDIES Pub Date : 2020-01-02 DOI: 10.1080/00167223.2020.1766365
C. Vîlcea, Cristina Șoșea
ABSTRACT The population living in large urban areas faces multiple pressures on their physical and psychological well-being coming from various polluting sources: air pollution, water pollution, and high noise level, thermal and visual stress. Urban green spaces have a positive impact on human health, as they help people relax more. Stress relief through physical exercise and social interaction is possible by having an increased access to parks or other green areas. As in the case of many growing cities, Craiova faces a continuous demand for more construction development space, while the shrinkage of urban green areas is becoming an issue. Using a GIS-based method, this study analyses the accessibility of Craiova residents to urban green spaces, identifying the areas with reduced green spaces and making recommendations for the improvement of the green areas available to residents. The number and location of the parks in the city are correlated with the population density within residential areas in order to analyse the accessibility to green areas based on both walking and driving distance between the access points of the green spaces and the residential areas. Data indicate an unevenly distribution of parks and access to green areas.
生活在大城市地区的人口面临着来自各种污染源的多重身心健康压力:空气污染、水污染、高噪音水平、热压力和视觉压力。城市绿地对人类健康有积极的影响,因为它们有助于人们放松。通过体育锻炼和社会交往来缓解压力是可能的,通过增加进入公园或其他绿色区域。与许多发展中的城市一样,克拉约瓦面临着对更多建筑发展空间的持续需求,而城市绿地的萎缩正在成为一个问题。本研究采用基于gis的方法,分析了克拉约瓦居民对城市绿地的可达性,确定了绿地减少的区域,并提出了改善居民可用绿地的建议。城市中公园的数量和位置与住宅区内的人口密度相关,以便根据绿地和住宅区接入点之间的步行和开车距离来分析绿地的可达性。数据显示,公园和绿地分布不均。
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引用次数: 11
GISualization: visualized integration of multiple types of data for knowledge co-production 可视化:多种类型数据的可视化集成,用于知识协同生产
IF 2.3 4区 社会学 Q4 ENVIRONMENTAL STUDIES Pub Date : 2019-04-24 DOI: 10.1080/00167223.2019.1605301
M. Adelfio, Jaan-Henrik Kain, Jenny Stenberg, L. Thuvander
ABSTRACT Urban planning deals with multiple layers of information stemming from concurrent activities and stakeholders intervening in urban development. For a better management of complexity more comprehensiveness and data integration are needed. This study develops an adaptive and iterative mixed-method approach for knowledge production in urban transformation processes. Specific research questions relate to data integration from different sources and facilitation of co-production of knowledge beyond triangulation. A new multi-layer framework, GISualization, has been developed in the context of a research project exploring compact city qualities. The framework is structured through five data layers, representing different methods for data collection and different grades of complexity, richness and interpretation: basic statistics; advanced statistics; exogenous quali-quantitative descriptions; exogenous qualitative descriptions; and endogenous qualitative descriptions. Thus, data stem from both quantitative and qualitative sources. Our study has proven that GISualization is a methodological framework that enables analysis and visualization of complex data in a rich format. The approach is closely related to analytical eclecticism and abductivity. It embodies a collaborative communication platform that provides a language to navigate between heterogeneous data, information and methods. The GISualization framework opens up for broader stakeholder involvement and community participation extending research into the domain of transdisciplinary knowledge production.
城市规划涉及多个层面的信息,这些信息来源于同时发生的活动和参与城市发展的利益相关者。为了更好地管理复杂性,需要更多的全面性和数据集成。本研究为城市转型过程中的知识生产开发了一种自适应迭代混合方法。具体的研究问题涉及来自不同来源的数据整合和促进超越三角测量的知识共同生产。在一个探索紧凑型城市质量的研究项目的背景下,开发了一个新的多层框架GISualization。该框架由五个数据层构成,代表了不同的数据收集方法和不同的复杂性、丰富度和解释等级:基本统计;高级统计;外生质定量描述;外生定性描述;以及内生的定性描述。因此,数据来自定量和定性两个来源。我们的研究已经证明,GISualization是一种方法论框架,能够以丰富的格式对复杂数据进行分析和可视化。这种方法与分析折衷主义和溯因性密切相关。它体现了一个协作通信平台,该平台提供了一种在异构数据、信息和方法之间导航的语言。gisalization框架为更广泛的利益相关者参与和社区参与打开了大门,将研究扩展到跨学科知识生产领域。
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引用次数: 3
Exploring spatiotemporal heterogeneity in online travel searches: a local spatial model approach 探索在线旅游搜索的时空异质性:一种本地空间模型方法
IF 2.3 4区 社会学 Q4 ENVIRONMENTAL STUDIES Pub Date : 2019-04-15 DOI: 10.1080/00167223.2019.1601575
Jing Xu, Cheng Jin
ABSTRACT Online travel searches are important forms of travel virtual spaces. Previous studies have neglected to analyze the spatial features of the travel searches themselves, and the spatial heterogeneity of their influencing factors. In this study, a travel search index based on the Baidu index was established for analyzing travel searches. Meanwhile, a local spatial model was created for the linear features in order to discuss the spatiotemporal heterogeneity of the influencing factors. The results of this study indicated that travel searches have obvious spatial inequality, and economically developed regions had displayed advantages in the travel search network. The fitting results of the local model were found to be superior to global model. The number of attractions and the GDP of the origin were found to have promoting effects on the travel searches, whereas distances had shown inhibiting effects. These effects presented significant spatiotemporal heterogeneity. It was also found that within the travel search virtual space, the distance effects still existed, but the intensity was weaker than in the real space. The local spatial model for the linear features provided a new spatial analysis method for understanding the travel search network, as well as other types of networks (flow patterns).
在线旅游搜索是旅游虚拟空间的重要形式。以往的研究忽略了对旅游搜索本身的空间特征及其影响因素的空间异质性的分析。本研究建立了基于百度指数的旅游搜索指数,对旅游搜索进行分析。同时,建立了线性特征的局部空间模型,探讨了影响因素的时空异质性。研究结果表明:旅游搜索存在明显的空间不平等,经济发达地区在旅游搜索网络中表现出优势;局部模型的拟合结果优于全局模型。旅游景点的数量和原产国的国内生产总值对旅游搜索有促进作用,而距离则有抑制作用。这些效应具有显著的时空异质性。在旅游搜索虚拟空间内,距离效应仍然存在,但强度弱于真实空间。线性特征的局部空间模型为理解旅游搜索网络以及其他类型网络(流模式)提供了一种新的空间分析方法。
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引用次数: 3
“Is there any time left for walking?” Physical activity implications of suburban commuting in the Barcelona metropolitan region “还有时间散步吗?”巴塞罗那大都市区郊区通勤的体育活动影响
IF 2.3 4区 社会学 Q4 ENVIRONMENTAL STUDIES Pub Date : 2019-03-20 DOI: 10.1080/00167223.2019.1589386
Guillem Vich, Oriol Marquet, C. Miralles-Guasch
ABSTRACT The present study delves into the explanatory factors of the walking patterns of residents in metropolitan regions, who tend to be pressed for time when travelling to their daily destinations or activities. We particularly focus on the effects of the commuting distance on the amount of walking that can be achieved, which has health, socioeconomic and environmental implications. This study confirms the potential benefits of using smartphone tracking data to examine walking patterns. To enable this, a smartphone tracking application was developed to obtain accurate mobility data from a group of adults (n = 93) residing in the Barcelona Metropolitan Region (Spain) and have to commute to a suburban university campus that can only be reached by using motorized transport modes. The results highlight the commuting distance and employment status as strong determinants of the amount of walking time achieved by this study group. Moreover, it was determined that among transit users, the commuting distance of male commuters was negatively associated with walking when compared with female transit users, whereas explanatory factors for private transport users bore insignificant results. Smartphone devices proved their potential as an effective and useful source of data in transportation and health research.
摘要:本研究探讨了大都市区居民在前往日常目的地或参加日常活动时往往时间紧迫的步行模式的解释因素。我们特别关注通勤距离对可实现的步行量的影响,这对健康、社会经济和环境都有影响。这项研究证实了使用智能手机跟踪数据来检查步行模式的潜在好处。为了实现这一点,开发了一款智能手机跟踪应用程序,以获取居住在巴塞罗那大都会区(西班牙)的一组成年人(n = 93)的准确移动数据,这些成年人必须通勤到郊区的大学校园,只能通过机动交通方式到达。研究结果表明,通勤距离和就业状况是该研究组步行时间长短的重要决定因素。此外,我们还确定,在公共交通用户中,男性通勤者的通勤距离与步行量呈负相关,而与女性公共交通用户相比,私人交通用户的解释因素结果不显著。智能手机设备证明了它们作为交通和健康研究中有效和有用的数据来源的潜力。
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引用次数: 5
A geospatial approach to assessing land change in the built-up landscape of Wa Municipality of Ghana
IF 2.3 4区 社会学 Q4 ENVIRONMENTAL STUDIES Pub Date : 2019-03-20 DOI: 10.1080/00167223.2019.1587307
Daniel Kpienbaareh, J. Oduro Appiah
ABSTRACT Urban landscapes are changing in response to changes in socio-economic conditions. Land change scientists seek to understand these land dynamics in the coupled human-environment system of urban landscapes. This study assessed land change in the built-up area of Wa Municipality between 1986 and 2016 using Landsat images. We used the Support Vector Machine algorithm for classifying the images. We recorded image classification accuracies of 97%, 95%, 92% and 96% for the 1986, 1996, 2006 and 2016 classified images, respectively. Our study finds that over the 1986–2016 period, agricultural land and bare land transitioned to build-up land by 9.23% and 3.79%, respectively, as compared to 2.79% for vegetation and 0.05% for water. Our in-municipal level analysis thus shows that urban landscapes could expand more sustainably by targeting other dominant land categories instead of the vegetation cover. The findings in this paper could serve as a spatial model for planning and reducing the unintended socio-ecological impacts of expansion in the built-up area.
城市景观随着社会经济条件的变化而变化。土地变化科学家试图在城市景观的人-环境耦合系统中理解这些土地动态。本研究利用陆地卫星影像对1986 - 2016年佤市建成区土地变化进行了评估。我们使用支持向量机算法对图像进行分类。我们对1986年、1996年、2006年和2016年的分类图像分别记录了97%、95%、92%和96%的分类准确率。研究发现,1986-2016年期间,农用地和裸地向建设用地过渡的比例分别为9.23%和3.79%,而植被和水分别为2.79%和0.05%。因此,我们在城市层面的分析表明,城市景观可以通过针对其他主要土地类别而不是植被覆盖来实现更可持续的扩展。本文的研究结果可作为规划和减少建成区扩张的非预期社会生态影响的空间模型。
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引用次数: 9
Foreign direct investment and local supplier upgrading – the case of grocery retail in Turkey 外国直接投资和本地供应商升级——以土耳其的食品杂货零售为例
IF 2.3 4区 社会学 Q4 ENVIRONMENTAL STUDIES Pub Date : 2019-03-11 DOI: 10.1080/00167223.2019.1581629
Inka Gersch
ABSTRACT Foreign direct investments (FDIs) are noted as an important cross-border channel for knowledge. Thus, expanding companies can contribute to local supplying companies’ capability development, an important precondition for upgrading processes. Several transnational grocery retailers have expanded globally and introduced modern supply chain management practices to markets of emerging and developing countries. However, agri-food industries are under-researched regarding FDI-induced knowledge transfer and supplier upgrading. Based on qualitative interviews with both retailers and suppliers in the emerging market of Turkey, this article discusses the upgrading processes of fresh food suppliers driven by the FDI of grocery retailers. This article shows how the foreign retailers’ fresh fruit and vegetable supply structures have evolved towards the preferences of suppliers that vertically integrate value chain functions. Within this dynamic, transnational retailers proactively shape their suppliers and promote (functional) upgrading. The findings imply that (1) local regulatory environments should foster local sourcing and (2) the way for suppliers to work towards a solid value chain positioning is to fully integrate supply chain functions including agricultural primary production. This article argues that integrating low value-adding functions can be a type of functional upgrading that has not yet been acknowledged.
外国直接投资(fdi)被认为是知识的重要跨境渠道。因此,扩张的公司可以促进当地供应公司的能力发展,这是升级过程的重要前提。一些跨国杂货零售商已经在全球扩张,并将现代供应链管理实践引入新兴和发展中国家的市场。然而,农业食品行业对外国直接投资诱导的知识转移和供应商升级研究较少。本文通过对土耳其新兴市场零售商和供应商的定性访谈,探讨了生鲜食品供应商在杂货零售商FDI驱动下的升级过程。本文展示了国外零售商的新鲜果蔬供应结构是如何向垂直整合价值链功能的供应商偏好演变的。在这种动态中,跨国零售商主动塑造他们的供应商并促进(功能)升级。研究结果表明:(1)地方监管环境应促进本地采购;(2)供应商实现稳固价值链定位的途径是充分整合包括农业初级生产在内的供应链功能。本文认为,整合低附加值功能可以是一种尚未被承认的功能升级。
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引用次数: 4
Digital transdisciplinarity in land change science – integrating multiple types of digital data 土地变化科学中的数字跨学科——整合多种类型的数字数据
IF 2.3 4区 社会学 Q4 ENVIRONMENTAL STUDIES Pub Date : 2019-01-02 DOI: 10.1080/00167223.2019.1585893
G. Levin, S. Svenningsen
Human activities alter the land surface of the Earth (Haberl et al., 2007; Hurtt et al., 2006), and one key questionwithin geography is, therefore, the assessment of land use/land cover change (LULCC) and the analysis and understanding of the underlying drivers and effects of LULCC (Brandt, Primdahl, & Reenberg, 1999; Bürgi, Hersperger, & Schneeberger, 2004; Plieninger et al., 2016). The last decades have seen amassive andwidespread digitalization of spatial and non-spatial information, which can be linked (and hence geo-referred) to specific spatial units or entities (Fuchs, Verburg, Clevers, & Herold, 2015; Goldberg, Olivares, Li, & Klein, 2014). Digitalization came relatively early to the field of land change science, mainly due to the use of geographic information systems to handle spatial data in the form of maps and remotely sensed data (Haines-Young, Green, & Cousins, 1993). It can, therefore, be argued that a long digital tradition exists within land change science, which has been open to pursue the possibilities of new data sources and methods as these have emerged. Recent years have seen an unprecedented growth in the amount of digital data as well as rapid advances in new digital methods, tools and research infrastructures across academia (Kong, 2015). This includes easy access to spatially specific information from other domains and academic fields, such as register data from government agencies, data from aerial and terrestrial sensors, and a wide range of historical data repositories. Furthermore, as many data sets are available for whole regions, countries or even at global scale, analyses of land change with large geographical coverage and at the same time at high spatial resolutions are increasingly made possible. It can be argued that a new era of digital data has opened up for transdisciplinary interactions for land change research. Yet, increased access to digital data also entails challenges related to the validity of data and the need for new approaches to integrate multiple digital data sources. All five articles in this special issue concern the application of digital data in land change research. In the following sections, we present the articles and discuss them in the wider context of: (1) the sound understanding, interpretation and thus application of digital data and (2) the development ofmethodologies to integratemultiple digital data in a transdisciplinary manner.
人类活动改变了地球的陆地表面(Haberl et al., 2007;因此,地理学中的一个关键问题是土地利用/土地覆盖变化(LULCC)的评估以及对LULCC的潜在驱动因素和影响的分析和理解(Brandt, Primdahl, & Reenberg, 1999;b rgi, herspberger, & Schneeberger, 2004;Plieninger et al., 2016)。在过去的几十年里,我们看到了空间和非空间信息的大规模和广泛的数字化,这些信息可以与特定的空间单位或实体联系起来(因此是地理参考)(Fuchs, Verburg, Clevers, & Herold, 2015;Goldberg, Olivares, Li, & Klein, 2014)。数字化在土地变化科学领域的出现相对较早,主要是由于使用地理信息系统来处理地图和遥感数据形式的空间数据(Haines-Young, Green, & Cousins, 1993)。因此,可以认为,土地变化科学中存在着悠久的数字传统,随着新数据源和新方法的出现,它一直在寻求新的可能性。近年来,学术界的数字数据量出现了前所未有的增长,新的数字方法、工具和研究基础设施也取得了快速发展(Kong, 2015)。这包括方便地访问来自其他领域和学术领域的空间特定信息,例如来自政府机构的注册数据、来自空中和地面传感器的数据以及广泛的历史数据存储库。此外,由于可以获得整个区域、国家甚至全球尺度的许多数据集,因此越来越有可能同时以高空间分辨率对大地理覆盖范围的土地变化进行分析。可以说,数字数据的新时代为土地变化研究的跨学科互动打开了大门。然而,增加对数字数据的访问也带来了与数据有效性相关的挑战,以及需要新的方法来整合多个数字数据源。本期特刊的五篇文章都是关于数字数据在土地变化研究中的应用。在以下章节中,我们将在更广泛的背景下介绍这些文章并讨论它们:(1)对数字数据的正确理解、解释和应用;(2)以跨学科的方式整合多个数字数据的方法的发展。
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引用次数: 4
Transdisciplinary approach of transboundary landscape studies: a case study of an Austro-Hungarian transboundary landscape 跨界景观研究的跨学科方法:以奥匈帝国跨界景观为例
IF 2.3 4区 社会学 Q4 ENVIRONMENTAL STUDIES Pub Date : 2019-01-02 DOI: 10.1080/00167223.2019.1581628
Éva Konkoly-Gyuró, P. Balázs, Ágnes Tirászi
ABSTRACT Landscape is a dynamic, multi-layered, spatial–temporal system. It mirrors the results of human–nature interactions, encompassing both material and perceived reality. Landscape assessment requires transdisciplinarity that we achieve by discussing and combining three approaches: landscape character assessment (LCA), historic land-cover (LC) change analysis and narratives of local residents on landscape perception. The Austro-Hungarian transboundary study area around Lake Fertő, a world heritage cultural landscape, was divided by a state border after First World War. It provides a good example for the divergent evolution of the same biophysical landscape due to the different political and socio-economic influences. Results of the study highlight methodological issues concerning the combination of quantitative and qualitative data and the inclusion of local knowledge in the LCA. The historical cartographic analysis presents the significant differences in LC transition processes in the Austrian and the Hungarian sides of the area, resulting in dissimilarities in landscape character. The study shows the differences in landscape conceptualization and the perceptions of landscape researchers and local residents. Mutual understanding helps communication to preserve the unique landscape qualities and avoid landscape degradation by enhancing environmental awareness and facilitating common landscape management strategies.
景观是一个动态的、多层次的时空系统。它反映了人与自然相互作用的结果,包括物质和感知现实。景观评估需要跨学科性,我们通过讨论和结合三种方法来实现:景观特征评估(LCA)、历史土地覆盖(LC)变化分析和当地居民对景观感知的叙述。世界文化遗产费尔特湖周围的奥匈越境研究区在第一次世界大战后被国家边界划分。它为同一生物物理景观由于不同的政治和社会经济影响而产生的不同演变提供了一个很好的例子。研究结果突出了定量和定性数据的结合以及将地方知识纳入LCA的方法问题。历史地图学分析表明,该地区奥地利和匈牙利两侧的LC过渡过程存在显著差异,从而导致景观特征的差异。研究显示景观研究者和当地居民在景观概念和认知上的差异。相互了解有助于沟通,通过提高环保意识和促进共同的景观管理策略,保护独特的景观品质,避免景观退化。
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引用次数: 5
Visitor monitoring in protected areas: an approach to Natura 2000 sites using Volunteered Geographic Information (VGI) 保护区游客监测:利用自愿地理信息(VGI)对Natura 2000站点进行监测的方法
IF 2.3 4区 社会学 Q4 ENVIRONMENTAL STUDIES Pub Date : 2019-01-02 DOI: 10.1080/00167223.2019.1573409
Joan Jurado Rota, M. Y. Pérez Albert, D. Serrano Giné
ABSTRACT This paper analyses visitor monitoring and the public use of protected areas using volunteered geographic information (VGI) as a source of big data and, as the object of study, the Ebro Delta Natura 2000 site (west Mediterranean basin). Over 5,000 voluntarily recorded tracks spread over 10 years have been analysed, showing a predominance of cycling activities on trails of up to 50 km in length. Using cluster analysis and a hotspot approach, we found that the highest intensities of use are concentrated in less than 1% of the area studied, while a high dispersion of track start/finish points suggests low but scattered pressure all over the site. Spatial analysis reveals a number of spatial interactions, including the use of official trails, trespassing on reserves and potential nuisance to birdlife. This information is useful for site managers and helps them design sustainable practices. By applying the same analysis using VGI and data mining to other Natura 2000 sites, comparisons can be made and thus provide valuable assessment regarding visitor monitoring and public use patterns for the largest network of protected areas in the world.
本文以地中海西部盆地埃布罗三角洲Natura 2000遗址为研究对象,利用志愿地理信息(VGI)作为大数据来源,分析了游客监测和保护区的公众使用情况。研究人员分析了超过5000条自愿记录的足迹,这些足迹分布在10年的时间里,结果显示,在长达50公里的小径上,自行车活动占主导地位。使用聚类分析和热点方法,我们发现最高使用强度集中在研究区域的不到1%,而高分散的轨道起点/终点表明整个站点的低但分散的压力。空间分析揭示了一些空间上的相互作用,包括使用官方步道、侵入保护区和对鸟类的潜在滋扰。这些信息对站点管理人员很有用,可以帮助他们设计可持续的实践。通过使用VGI和数据挖掘对其他Natura 2000站点进行相同的分析,可以进行比较,从而为世界上最大的保护区网络提供有关游客监测和公共使用模式的有价值的评估。
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引用次数: 21
Locating tile drainage outlets and surface flow in riparian lowlands using thermal infrared and RGB-NIR remote sensing 利用热红外和RGB-NIR遥感技术对河岸低地的瓷砖排水口和地表流量进行定位
IF 2.3 4区 社会学 Q4 ENVIRONMENTAL STUDIES Pub Date : 2019-01-02 DOI: 10.1080/00167223.2019.1573408
C. Prinds, R. J. Petersen, M. Greve, B. V. Iversen
ABSTRACT Artificial drainage of agricultural fields represents a major flow path way of both water and nutrients which may contribute to eutrophication issues in the recipient waters. Several studies have shown that riparian lowlands (alluvial plains, wetlands, meadows), if present, may act as buffer zones with high nutrient retention capacities. To assess the fate of water and nutrient flow in riparian lowlands in tile drained catchments, it is essential to know the locations of tile drainage outlets as sources of nutrient input. Using a thermal infrared (TIR) remote-sensing survey, we identified potential tile drainage outlets in a riparian lowland. We also applied a normalized differentiated vegetation index (NDVI) approach to illustrate how tile drainage outlets can be identified with free broadband RGB-NIR data. The positions of identified outlets were validated in the field by visual observation. Our study finds that TIR remote sensing is a strong tool when assessing the sources of water input. NDVI is also applicable, however the background values are very variable making the outlets difficult to locate. The results can be applied in studies of water movement and solute transport via tile drainage as well as model studies where knowledge of input areas through tile drainage is of great importance.
农田人工排水是水和养分的主要流动途径,可能会导致受水水体富营养化问题。几项研究表明,如果存在河岸低地(冲积平原、湿地、草甸),可以作为具有高营养保留能力的缓冲区。为了评估排水集水区的水和养分流在河岸低地的命运,了解作为养分输入来源的排水出口的位置至关重要。利用热红外(TIR)遥感调查,我们在河岸低地确定了潜在的瓷砖排水出口。我们还应用归一化分化植被指数(NDVI)方法来说明如何利用免费宽带RGB-NIR数据识别瓷砖排水口。通过现场目测,对鉴定出的出口位置进行了验证。我们的研究发现,在评估水源输入时,TIR遥感是一个强有力的工具。NDVI也适用,但是背景值变化很大,使得出口难以定位。这些结果可以应用于通过瓷砖排水的水运动和溶质运输的研究,以及通过瓷砖排水的输入区域的知识非常重要的模型研究。
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引用次数: 7
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Geografisk Tidsskrift-Danish Journal of Geography
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