Annals of GIS最新文献

Zero watermarking algorithm for BIM data based on distance partitioning and local feature 基于距离分割和局部特征的 BIM 数据零水印算法

IF 5

Annals of GIS Pub Date : 2024-01-04 DOI: 10.1080/19475683.2023.2298979

Qianwen Zhou, N. Ren, Changqing Zhu, Qifei Zhou

引用次数: 0

Controlling for spatial confounding and spatial interference in causal inference: modelling insights from a computational experiment 控制因果推理中的空间混淆和空间干扰:来自计算实验的建模见解

Annals of GIS Pub Date : 2023-09-27 DOI: 10.1080/19475683.2023.2257788

Tyler D. Hoffman, Peter Kedron

{"title":"Controlling for spatial confounding and spatial interference in causal inference: modelling insights from a computational experiment","authors":"Tyler D. Hoffman, Peter Kedron","doi":"10.1080/19475683.2023.2257788","DOIUrl":"https://doi.org/10.1080/19475683.2023.2257788","url":null,"abstract":"Causal inference is a rapidly growing field of statistics that applies logical reasoning to statistical inference to estimate causal relationships. Spatial data poses several problems in causal inference – namely, spatial confounding and interference – that require different strategies when designing causal models. In order to obtain valid inferences, existing nonspatial causal models must adjust for such spatial problems. Given the blossoming literature on spatial causal inference, this research analyzes the usage of spatial causal models under a priori knowledge and a priori ignorance of the spatial structure of data. We synthesize existing research directions in noncausal spatial modelling and causal nonspatial modelling by assessing the performance of 28 spatial causal models across 16 spatial data scenarios. We used ordinary least squares (OLS) models, conditional autoregressive (CAR) models, and jointly CAR models for outcome and treatment variables as the basis for the tested models, equipping them with a variety of spatial causal adjustments. We compare our results to principles of noncausal spatial modelling and investigate their implications for spatial causal modelling. Specifically, we show that noncausal spatial modelling guidance holds in causal spatial modelling workflows and demonstrate how researchers can leverage noncausal theory to great effect. In parallel, we introduce the spycause Python package of spatial causal models and data simulators to facilitate the widespread use of these models and to enable reproduction and extension of our work.","PeriodicalId":46270,"journal":{"name":"Annals of GIS","volume":"82 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135581604","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Application of GIS and fuzzy sets to small-scale site suitability assessment for extensive brackish water aquaculture GIS和模糊集在微咸水养殖小规模场地适宜性评价中的应用

IF 5

Annals of GIS Pub Date : 2023-09-06 DOI: 10.1080/19475683.2023.2255072

Tarunamulia, J. Sammut

{"title":"Application of GIS and fuzzy sets to small-scale site suitability assessment for extensive brackish water aquaculture","authors":"Tarunamulia, J. Sammut","doi":"10.1080/19475683.2023.2255072","DOIUrl":"https://doi.org/10.1080/19475683.2023.2255072","url":null,"abstract":"ABSTRACT The rapid expansion of extensive brackish water aquaculture (BA) in Indonesia has created an urgent need to develop effective and reliable methods to evaluate and select sites suitable for aquaculture development. The lack of supporting spatial data at appropriate scales has limited the application of GIS-based multi-criteria evaluation methods (MCEs) in Indonesia. This study presents alternative fuzzy-based Geographic Information System (GIS) methods to evaluate and select sites suitable for extensive brackish water aquaculture. This study successfully produced fuzzy set maps from a water availability sub-model, a land conversion sub-model and a green belt buffer zone sub-model. With grades of membership, the fuzzy set maps provide smooth class boundary representation, which creates more options for decision-making than a map classified with crisp logic. Combining these sub-models produced an overall site suitability map at the scale of 1:50,000 for the study region. This final suitability map effectively excluded more than 95% of the unsuitable area for BA. This broad-scale site suitability assessment approach is a helpful planning tool to promote Indonesia’s sustainable development of extensive brackish water aquaculture. It identifies possible conflicts in land uses and considers conservation issues early in the planning process. The output can be used to scope research areas for more detailed investigations in countries where BA is a vital livelihood.","PeriodicalId":46270,"journal":{"name":"Annals of GIS","volume":"87 1","pages":""},"PeriodicalIF":5.0,"publicationDate":"2023-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80919604","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Revealing intra-urban hierarchical spatial structure through representation learning by combining road network abstraction model and taxi trajectory data 结合路网抽象模型和出租车轨迹数据，通过表征学习揭示城市内部的层次空间结构

IF 5

Annals of GIS Pub Date : 2023-07-30 DOI: 10.1080/19475683.2023.2241526

Sheng Hu, Song Gao, W. Luo, Liang Wu, Tianqi Li, Yongyang Xu, Ziwei Zhang

{"title":"Revealing intra-urban hierarchical spatial structure through representation learning by combining road network abstraction model and taxi trajectory data","authors":"Sheng Hu, Song Gao, W. Luo, Liang Wu, Tianqi Li, Yongyang Xu, Ziwei Zhang","doi":"10.1080/19475683.2023.2241526","DOIUrl":"https://doi.org/10.1080/19475683.2023.2241526","url":null,"abstract":"ABSTRACT The unprecedented urbanization in China has dramatically changed the urban spatial structure of cities. With the proliferation of individual-level geospatial big data, previous studies have widely used the network abstraction model to reveal the underlying urban spatial structure. However, the construction of network abstraction models primarily focuses on the topology of the road network without considering individual travel flows along with the road networks. Individual travel flows reflect the urban dynamics, which can further help understand the underlying spatial structure. This study therefore aims to reveal the intra-urban hierarchical spatial structure by integrating the road network abstraction model and individual travel flows. To achieve this goal, we 1) quantify the spatial interaction relatedness of road segments based on the Word2Vec model using large volumes of taxi trip data, then 2) characterize the road abstraction network model according to the identified spatial interaction relatedness, and 3) implement a community detection algorithm to reveal sub-regions of a city. Our results reveal three levels of hierarchical spatial structures in the Wuhan metropolitan area. This study provides a data-driven approach to the investigation of urban spatial structure via identifying traffic interaction patterns on the road network, offering insights to urban planning practice and transportation management.","PeriodicalId":46270,"journal":{"name":"Annals of GIS","volume":"60 1","pages":""},"PeriodicalIF":5.0,"publicationDate":"2023-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84648804","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

The time- and distance-decay effects of hurricane relevancy on social media: an empirical study of three hurricanes in the United States 飓风相关性对社交媒体的时间和距离衰减效应:对美国三场飓风的实证研究

IF 5

Annals of GIS Pub Date : 2023-07-17 DOI: 10.1080/19475683.2023.2236678

Mackenzie Kottwitz, Guiming Zhang, Jin Xu

{"title":"The time- and distance-decay effects of hurricane relevancy on social media: an empirical study of three hurricanes in the United States","authors":"Mackenzie Kottwitz, Guiming Zhang, Jin Xu","doi":"10.1080/19475683.2023.2236678","DOIUrl":"https://doi.org/10.1080/19475683.2023.2236678","url":null,"abstract":"ABSTRACT Hurricane activity has been increasing in frequency and severity in recent years. This has serious implications for coastal and nearby communities who, when recovering from hurricanes, seek outside assistance from relevant government, non-governmental agencies, and nearby communities. The ever-increasing popularity of social media offers a new medium through which such social relevancy can be derived to inform targeted assistance-seeking efforts. This study utilizes Twitter to develop an understanding of disaster relevancy across space and time to establish a clearer context for impacted communities as to when and where assistance may be derived. Tweets were collected for three hurricanes within the contiguous United States (Hurricane Harvey in 2017, Florence in 2018 and Laura in 2020) and examined over a 12-week period following hurricane landfalls. The relationships between tweets and time and between tweets and distance were examined through correlation analysis. Results show statistically significant time- and distance-decay effects of hurricane relevancy on social media, though the time-decay effect was stronger. Most tweets occurred during the first week following hurricane landfall within the states wherein the hurricanes made landfall as well as around large cities. These findings could inform aid-seeking efforts in the event of hurricanes and other disasters.","PeriodicalId":46270,"journal":{"name":"Annals of GIS","volume":"19 1","pages":""},"PeriodicalIF":5.0,"publicationDate":"2023-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84784247","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Quantifying the distribution and potential biotic interactions between deer and flora using species distribution modelling 利用物种分布模型量化鹿与植物群之间的分布和潜在的生物相互作用

IF 5

Annals of GIS Pub Date : 2023-07-03 DOI: 10.1080/19475683.2023.2226196

J. O'Mahony, A. Vanmechelen, P. Holloway

{"title":"Quantifying the distribution and potential biotic interactions between deer and flora using species distribution modelling","authors":"J. O'Mahony, A. Vanmechelen, P. Holloway","doi":"10.1080/19475683.2023.2226196","DOIUrl":"https://doi.org/10.1080/19475683.2023.2226196","url":null,"abstract":"ABSTRACT Invasive species are ranked as one of the leading drivers of global biodiversity loss. To mitigate their impact, we must understand the future risks caused by invasive species, particularly to flora of conservation concern. Here we used species distribution modelling (SDM) to project the current and future (RCP45 and RCP85 2050) distributions of four deer species and 13 plant species of conservation concern for the island of Ireland, quantifying changes in distributions and overlap. Large areas of suitable habitat for the deer species were predicted with high accuracy across all counties, with future climate scenarios identifying an expansion in sika deer distributions and a decrease in muntjac and fallow deer distributions. Red deer declined under the moderate climate change scenario but increased under the worst-case projection. Future projections predicted the (local) extinction of six (out of 13) endangered and vulnerable plant species. An expansion in distributions was observed for four plant species; however, these areas had large overlap with the future predictions of deer, placing further pressures on these plant species. These findings suggest that targeted conservation and management measures are required to alleviate the pressures on ‘at-risk’ plant species due to grazing from native and non-native deer.","PeriodicalId":46270,"journal":{"name":"Annals of GIS","volume":"190 1","pages":""},"PeriodicalIF":5.0,"publicationDate":"2023-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74180906","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

PCA-based approach for mapping social vulnerability to hazards in the Chennai metropolitan area, east coast of India 基于pca的印度东海岸金奈大都市区社会灾害脆弱性制图方法

IF 5

Annals of GIS Pub Date : 2023-06-29 DOI: 10.1080/19475683.2023.2226189

M. Arunachalam, J. Saravanavel, Ajith Joseph Kochuparampil

{"title":"PCA-based approach for mapping social vulnerability to hazards in the Chennai metropolitan area, east coast of India","authors":"M. Arunachalam, J. Saravanavel, Ajith Joseph Kochuparampil","doi":"10.1080/19475683.2023.2226189","DOIUrl":"https://doi.org/10.1080/19475683.2023.2226189","url":null,"abstract":"ABSTRACT Social vulnerability shows the lack of capacities of a person or groups across space and time to prepare for, respond to, and recover from the impact of natural hazards. It involves a combination of socioeconomic and demographic factors that determine the degree to which a (human) system is susceptible to, or unable to cope with, the adverse effects of a disastrous event. Social Vulnerability Index (SoVI) is an effective tool to measure the social vulnerability of an area. Though SoVI has successfully applied in many different contexts and places for socioeconomic development and disaster risk reduction, most societies still lack awareness of how social differences within their population play a role during disastrous events. To address this gap, the present study aims to map the social vulnerability and identify the locations of a socially vulnerable community in the Chennai Metropolitan Area (CMA) through an inductive approach (e.g. factor analysis) using demographic and built-environment data in ArcGIS and SPSS environment. We analysed twenty-three individual variables from five different vulnerability components, such as population, housing, economics, healthcare service, and exposed elements using Principal Component Analysis, that reduced to a smaller set of multidimensional components that explained 71.2% of the total variance and calculated the final SoVI score by adding all five-factor scores. The resultant SoVI map identifies the most vulnerable areas in the highly populated and tightly packed residential areas of Chennai city and the least vulnerable areas on the outskirts of Chennai city. The constructed SoVI could assist planners and policymakers at the national, state, and local government level in making appropriate decisions at all phases of the disaster management cycle and help prioritize the implementation of Government welfare schemes.","PeriodicalId":46270,"journal":{"name":"Annals of GIS","volume":"4 1","pages":""},"PeriodicalIF":5.0,"publicationDate":"2023-06-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78429953","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Selecting safe zone for threatened species conservation: a case study of a watershed in the southern Philippines 选择受威胁物种保护的安全区:菲律宾南部流域的案例研究

IF 5

Annals of GIS Pub Date : 2023-06-19 DOI: 10.1080/19475683.2023.2226205

J. Tabora, R. Ancog, Patricia Ann J. Sanchez, M. Arboleda, I. Lit, C. Tiburan

引用次数: 0

Exploratory spatial analysis of food insecurity and diabetes: an application of multiscale geographically weighted regression 粮食不安全和糖尿病的探索性空间分析:多尺度地理加权回归的应用

IF 5

Annals of GIS Pub Date : 2023-05-14 DOI: 10.1080/19475683.2023.2208199

Andy Sharma

{"title":"Exploratory spatial analysis of food insecurity and diabetes: an application of multiscale geographically weighted regression","authors":"Andy Sharma","doi":"10.1080/19475683.2023.2208199","DOIUrl":"https://doi.org/10.1080/19475683.2023.2208199","url":null,"abstract":"ABSTRACT Both food insecurity and diabetes are important public health concerns. For example, diabetes remained a leading cause of mortality both in the United States (U.S.) and globally during the past decade. Meanwhile, an estimated 11% of households endured food insecurity in the U.S. in 2021 with higher rates in the Southeast region. While significant advancements have occurred in better understanding food insecurity, its relationship with diabetes has yielded mixed results. Due to these inconsistent findings, a better understanding of how food insecurity may be associated with diabetes, particularly at the county-level, can improve population health and well-being. This study advanced such an area by undertaking a cross-sectional observational study for the Southeastern region of the U.S. (e.g. Alabama, Arkansas, Mississippi, and Tennessee with 319 counties as the unit of analysis), an area disproportionately impacted by both food insecurity and diabetes. The overall design applied the socio-ecological perspective within a multiscale geographically weighted regression framework or MGWR. MGWR is a recent development and a more advanced approach which allowed adjustments for geographic space and scale. Results showed food insecurity (estimate of 0.28) was positively associated with diabetes but the relation varied in magnitude and significance across space (range of −0.10 to 1.19). That is, food insecurity exhibited a strong, positive association for northwestern Arkansas, a mild association for central Mississippi and Tennessee, and a weaker association for southern Alabama and eastern Tennessee. Households without internet access also exhibited a positive association (estimate of 0.15), as did convenience stores per thousand (estimate of 0.12). These findings add value to our understanding of how geographic space and scale matter when examining health. Public health practitioners can recognize such variations when devising targeted interventions for food insecurity and diabetes care.","PeriodicalId":46270,"journal":{"name":"Annals of GIS","volume":"37 1","pages":""},"PeriodicalIF":5.0,"publicationDate":"2023-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78098451","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Multicriteria decision and sensitivity analysis support for optimal airport site locations in Ordu Province, Turkey 土耳其奥尔都省机场最佳选址的多标准决策和敏感性分析支持

IF 5

Annals of GIS Pub Date : 2023-04-04 DOI: 10.1080/19475683.2023.2192763

H. Çolak, Tugba Memisoglu Baykal, Nihal Genç

引用次数: 0